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TempRecord for Windows Manual

1. Doing this will start communications between the logger in the SR3 Reader Interface and your Palm a ds Image 2 Note Make sure the cable between the Palm and Reader is securely connected 49 Temprecord user manual When data from your logger is being Tap items to view data downloaded into your Palm you will see a message box informing you of the download progress similar to the one pictured to the right labeled Image 3 Reading Data Logger Page 5of9 Serial No 50416 5530 Downloaded Once the data download is complete another message box will briefly open telling you that the Palm is processing the data and it Image 3 will then close Palm Temprecord When that has finished you will see a screen Site facade similar to Image 4 Right showing you the 12sep02 09 26 000000165467159 name of the TR files currently in the Palms memory and available for viewing as a graph Image 4 To view the graph for a TR file from the file list take the Palm stylus and tap on the file from the list that you wish to view A graph of the data from the file you selected from the list will be displayed on the Palm screen Note The RH temperature files from Humidity loggers will show as two similarly named file entries in the file list joined together by square bracket symbol at the left hand side of the two files The square bracket on the RH Temperature files indicates to you that they are in fact one
2. 27 04 93 SERE newman 06 00 00 00 06 00 12 00 4 gt These local pop up menus are particularly useful for quickly changing the view mode of the current window Temprecord user manual Setting Up Some setting up may be needed to tailor the operation of TEMPRECORD FOR WINDOWS to your particular needs All of these options are contained not surprisingly in the Options menu TEMPRECORD FOR WINDOWS provides a multitude of options and these are presented as a series of tabbed pages You can select each of the pages by clicking on the corresponding tab The tabbed page corresponding to the option you selected from the menu is displayed in front of the others If you open the Options menu and click on COM Port TempRecord Options Ed General Comment Labels Printing O Parameter Defaults Language zZ OK FEA Help COH Port COM Port COM1 current TempRecord COM port C COM 2 not available C COM 3 not available C COM 4 not available If your Reader Interface is connected to a COM port other than the one shown as Current TEMPRECORD Port you will need to change the COM port setting Click on the correct COM port number If you prefer temperature to be displayed in degrees Fahrenheit click on the General tab and select Degrees F If you plan to print reports of the logged temperature you should select the Printing tab an
3. 3506 02 11 4955 P1460 5275 3H Dates hom tie HUMIDI T TAFILE T MO000301 TR read bom mdi tap logger tenal 506 02 1300 14309 1500 1600 17 00 1800 1200 20 00 21 00 2200 The numerical scale across the x axis at the bottom of the graph is Date and time data The format of the Date displayed on the graph is determined from the regional settings of the computer you are using 35 Temprecord user manual Minimum and Maximum value speed buttons 30 to maxinurr Va e File Progam View Options Help HP lle E If you wish to quickly view the minimum and maximum values from the Temperature and Humidity graph displayed on screen you can do this by clicking on the minimum and maximum value speed buttons highlighted in the image above For instance if you wanted to check the minimum value on the graph click on the minimum value speed button and the red cursor line on the graph will jump to the minimum Temperature value If you click on the minimum value speed button again the red cursor line on the graph will jump to the minimum Humidity value Again if you click on the minimum value speed button the red cursor line will jump back to the minimum Temperature value so you can see by clicking repeatedly on the minimum value speed button you can cycle between the minimum values from the displayed Temperature and Humidity data The same order of events applies when you click on the maximum value speed button that
4. Starting the Temprecord Program Once installation has been completed you can run TEMPRECORD FOR WINDOWS Windows 95 98 2000 NT XP e Click on Start e Click on Programs e Click on the Temprecord for Windows program folder e Click on Temprecord for Windows Alternatively you can double click on a shortcut if you have created one as described on page 4 Using the HELP System At any time while TEMPRECORD FOR WINDOWS is running you can request help by various means e By pressing the F1 key e By clicking on a button labeled Help e By opening the Help menu The help system is a comprehensive on line manual that is fully context sensitive This means that the help information you receive when F1 is pressed or a Help button is pressed is normally directly relevant to the current operation If for example you attempted something that resulted in an error message clicking on the Help button when the error message was displayed would give you a full description of the error why it occurred and what you might do to avoid it For general information on how to use the Windows Help system press F1 while the help window is open Temprecord user manual Opening the Menus Across the top of the screen are displayed the five main groups of functions TEMPRECORD provides File Program View Options and Help You can open each of these menus by clicking on them with the mouse or pressing Alt F for the file menu Alt P f
5. 53 54 54 54 54 55 55 56 56 57 57 58 58 59 Temprecord user manual Introduction Welcome to the world of inexpensive rugged and accurate temperature and humidity logging The TEMPRECORD range of loggers opens up new opportunities in the field of temperature and humidity logging and verification This manual describes how to use the TEMPRECORD logger TEMPRECORD READER INTERFACE the traditional TEMPRECORD FOR WINDOWS program and your IBM compatible PC to read the TEMPRECORD loggers and generate effective and professionally presented data from the results The introduction and use of the TEMPRECORD Relative Humidity amp Temperature logger and TEMPRECORD READER INTERFACE for the Palm PDA also features in this manual We recommend that you first take the time to read this manual through in its entirety before installing the TEMPRECORD program This will minimise the chances of problems later on In the unlikely event you do have problems see the section When Things Go Wrong on page 30 The manual tries to present topics in roughly the same order as you will require them It first deals with installing TEMPRECORD FOR WINDOWS then setting up a TEMPRECORD logger to record temperature samples starting and stopping the logger reading the logged data and finally viewing and printing the data The information within this manual is subject to revision and Temprecord International reserves the right to make improvements to th
6. these settings If you are using a colour printer the colors used will match those displayed on the screen and may be changed under the options menu A colour printer may 25 Temprecord user manual be forced to print black and white only if the printer driver allows for this Displaying the Logged Temperatures in Table Form If you change the view mode to Values you can display the logged temperatures in tabular form Click on View then Values or open the pop up menu with the right mouse button and select Values File FREEZER TR Torx a ma Data is from file FREEZER TR read from multi trip logger LEE UE serial number 9999999 Tue ZO April 1993 18 06 47 19 75 19 66 19 57 19 39 19 27 19 21 18 21 47 19 13 19 05 18 94 18 84 18 80 18 75 18 36 47 18 73 18 69 18 65 18 61 18 61 18 59 18 51 47 18 54 18 54 Leese 18 54 Leo oe 18 52 19 06 47 18 51 18 50 18 50 18 50 18 49 18 48 19 21 47 18 47 18 47 18 47 18 45 18 45 18 43 19 36 47 18 43 18 42 18 42 18 41 18 40 18 40 19 51 47 18 38 18 36 18 37 18 37 18 36 18 18 20 06 47 8 45 0 08 4 84 7 85 10 50 12 32 eale ara a ir 13 78 14 98 I S FI 16 23 16 65 16 93 eae 17 09 17 16 17 16 17 27 17 63 aly ales sels 18 66 19 22 19 82 20 29 20 67 21 07 v CE JE Note that the number of columns displayed across the window can be altered Select Options then Values and change the Columns setting You can also select whether the values wrap to the next line whe
7. 1900 From Start to End Markers Exiting from the Temprecord Program Once you have finished with TEMPRECORD FOR WINDOWS you will want to exit the program To do this click on File then Exit Temprecord TEMPRECORD FOR WINDOWS may ask you to confirm you really want to leave the program Click on Yes If you have read a TEMPRECORD logger and have not yet saved the data to a disk file you will be asked if you wish to do this before exiting You should answer Yes to this question if you want to save the data If you answer No TEMPRECORD will exit without saving the data The Alt X key can be used as a short cut to exit from TEMPRECORD FOR WINDOWS You can determine whether TEMPRECORD asks you to confirm that you want to exit the program when you close TEMPRECORD Select Options then General Ifthe box labeled Prompt before Exit is clear you will not be prompted 29 Temprecord user manual When Things Go Wrong This section is a collection of common problems experienced by first time and later TEMPRECORD FOR WINDOWS users and the likely solution Remember that most problems experienced during operation of TEMPRECORD FOR WINDOWS can be resolved by pressing F1 the help key A Help topic dealing with common problems is also available from the program Click on Help then Common Problems I get a Sector not found message during installation g g g Messages of this sort usually mean a faulty diskette or drive Ifthe
8. File then Read Logger While the logger is being read a window will open and display a progress bar showing how far in percent the operation has progressed Reading the data from a full logger can take a minute or two You can abort the reading of a logger by clicking on Cancel 20 Temprecord user manual Displaying the Logged Temperatures as a Graph Once a logger has been read the view mode of the window will change to Graph View The resulting display will initially be scaled so that the entire logged temperature history is displayed on screen File FREEZER TR Iof x Gl 20 70471393 18 06 47 1375C oe A u file FREEZER TR read from multi trip logger serial a a E BHA 27 04 1993 28 04 1993 a0 o0 ao de When the graph is displayed there are various keys that can be used to navigate around the plot These are described below You can also press F1 from the graph mode display for more help right Moves the cursor one sample to the right If the arrow cursor is at the right most position of the screen the trace will scroll left Moves the cursor one sample position to the left If arrow the cursor is at the left most position of the screen the trace will scroll unless you are already positioned at the start of the trace Ctrl Skips the cursor to the right right arrow Ctrl left Skips the cursor to the left arrow up Scrolls up the graph i e brings higher temperatures ar
9. Operation of the Reader Interface may be unreliable with some notebook style computers This is because the reduced voltage levels at the COM ports are insufficient to power the Reader Interface Temprecord user manual I get strange characters appearing when I print graphs Check that the selected Windows printer matches the actual printer you have Check whether you can print with another application e g a word processing program If this does not print properly either the fault is with your printer setup There are known problems with some Windows 95 98 printer drivers It may be necessary to select a driver for a printer similar to the one you are using For example the HP 600 series of printers may need to use the HP 310 driver to print Shift doesn t expand the graph You cannot expand the graph past the point where there are less than 4 samples across the screen If you have a notebook style computer with a reduced keyboard you will need to use the key instead of the key to expand the graph I can t see the trace anywhere in the graph Press F4 to scale the trace so that it fills the screen If it is still not visible you may have a data record with only one sample in it You can also click on View Go To Find Trace to bring the trace into view The times displayed on the graph don t agree with what I expect Is the time and date on your computer set correctly Was the logger data you are viewing recorded in a
10. Statistics is checked The statistics for the samples between the start and end samples are only printed if the start and or end samples are set to samples other than the first and last samples The PHI statistics are only printed if the Show Growth Statistics option is checked Saving a File When the data has been read from a TEMPRECORD Logger you will probably want to save that data so that it can be examined or printed later without needing to read the data from the logger again Click on File then Save to save the TEMPRECORD Logger contents as a disk file This disk file can be loaded back into the TEMPRECORD program at a later date and viewed or printed just as if it had been just read from a logger You can give the data file a name that reflects the file s contents and thus makes it easy to locate and load at a later date You should type in a name that 26 Temprecord user manual is relevant to the data contained in the file e g STORE33 if the data file was from a logger placed in cool store number 33 The name can be up to 8 characters and must not contain any embedded spaces An error message will result if the filename does not conform to the requirements Type in the name and click on OK TEMPRECORD will save the file and add a file type of TR so the file in the example above would be called STORE33 TR You can override the default file type if you want but the TEMPRECORD program always assumes TR if the file typ
11. choose from when downloading and viewing data from your Temprecord loggers Temprecord for Palm is an intuitive and easy to use program however by using the instructions provided in this manual we will walk you through the installation of Temprecord for Palm software to your Palm Also covered are instructions on how to connect and remove your Palm to and from the SR3 Reader Interface With a SR3 Reader and Palm running Temprecord software you can perform the following tasks Reset a logger Start and Stop a logger and most importantly you can download and view the data from your logger as a graph Installing Temprecord for Palm software If you do not have an installation disk supplied with the Reader Interface or you just want to download the latest version of Temprecord for Palm you can get a copy of the program from our website www temprecord com software html 46 Temprecord user manual You will need a copy of Winzip available from www winzip com to unzip the archive file supplied on the floppy disk or downloaded from our website If you have a floppy disk with the trpalmxxx zip file where xxx is the version number place it into the a drive of your computer and copy the trpalmxxx zip file to a temporary folder of your choice Go to the temporary folder and double click on trpalmxxx zip file Winzip will open with all of the trPalm setup files displayed Go to step B If the install disk has 10 Palm installation files alr
12. drive reads other diskettes successfully contact your dealer for a replacement TEMPRECORD diskette Otherwise try using a head cleaning diskette in the drive and then attempt installation again I can t get the program to recognize the TEMPRECORD logger in the reader 30 Make sure the COM port setting in the Options menu matches the COM port you are using Make sure the logger is fully inserted in the Reader Interface It must be inserted with the snap off tabs or the corner hole in the case of the Econolog Multi trip and Scientific loggers facing towards you The Reader Interface can be unreliable in conditions of bright light Make sure your COM port is not being used by another program Normally TEMPRECORD FOR WINDOWS will report that it could not open the COM port if it is already in use by another program but with some programs particularly fax modem reception software your computer may become unresponsive You may need to close the fax modem reception program while you use TEMPRECORD The TEMPRECORD logger itself could be non operational Check for this by inserting another TEMPRECORD logger in the Reader Interface and checking for its presence by pressing the spacebar If that logger does not respond either the problem is more likely to be confusion over COM ports If you are using an additional RS 232 cable as an extension cable all the RS 232 control signals must be wired 3 wire RS 232 cables cannot be used
13. is if you have both Temperature and Humidity data displayed on screen Values view The image of the Values screen on the next page shows the time the data values were recorded in the left hand column next the Temperature value is in the center column and finally the Humidity value is displayed the right hand column The four white boxes located just below the speed buttons are the lower and upper alarm limits that were set in the Program Parameters form The pair on the left side is the Temperature lower and upper alarm limits The pair on the right side is the Humidity lower and upper alarm limits 36 Temprecord user manual TempRecord File S HUMIDI 1STRFILE 14M0000901 TR oO File Program View Options Help Trza 5 June z 11 49 56 on te SP dee aa Z1 50 Is Shoe hel 11 50 16 ins 56 50 11 50 26 Z1 72 ete 11 50 36 ai 5a 49_ 74 11 50 46 z 10 49 71 11 50 56 Dee 51 z 1 11 51 06 22 30 Tise 11 51 16 22 36 61 73 L1 51 76 Yr d3 D3 Fd If you require multiple columns displayed on the Values screen go to the Options Values menu and select the number of columns you require using the now open Values option form then click on OK Font Selection Another control available on the Options Values form is Font selection this allows you to display the Values data in a font that is currently installed on the computer you are using Font Colors Four individual Color selection controls give you the option
14. to change the font color of the Temperature data Humidity data and also the Date and Time font color By using the forth Color selection control labeled Markers you can change the color of the data value that indicates when the Marker button was pressed The selected font color for the Markers value will only be displayed if the Allow Markers option was checked on the Parameters form before logging was started and if the button on the logger was pressed for 2 seconds while the logger was recording data The red LED in the logger will flash twice to confirm a Marker has been inserted into the data stream after the button is pressed 37 Temprecord user manual f Temprecord Options X C ome Y Sey Sal Gered Y Commen Label Parameter Defaults Language Temperature Humidity Auto wrap columns Above Above Font in In Range In Range Below Below Markers Date Time Columns Font Color selection controls on the Options Values form Dust on the Humidity Sensor Tests have proven that the proprietary dust cover that is shown below protecting the Humidity sensor does not affect the performance or accuracy of the Temprecord RH logger The dust covers have been designed and manufactured to allow maximum airflow to reach the Humidity sensor while at the same time preventing dust and other airborne contaminates settling on or around the RH sensor The dust covers si
15. used You can only stop a logger while it is logging Re Using the Logger The Econolog Multi trip and Scientific TEMPRECORD loggers can be re used after each use In order to re use a logger you must know the password or the password must be zero and the logger must have been stopped Place the stopped logger in the Reader Interface click on Program then Re use You may be asked to confirm that you wish to re use the logger If you answer Yes to this prompt the logger will be re used The logger is then ready to be programmed with new user data and sample period and start delay A new password may be programmed also If you do not alter the password the existing one remains in force When a TEMPRECORD logger is re used the start delay is reset back to a default value of one minute Make sure you program this again if your requirements are different from the default The sample period is not altered when a logger is re used Whatever the sample period was for the last use will be the sample period after re using unless you alter it You can determine whether TEMPRECORD asks you to confirm that you want to re use the logger when you use the Re use function Select Options then General Ifthe box labeled Prompt before Re using is clear you will not be prompted Reading a Temprecord Logger In order to view temperature values statistical data or a graph of the logged temperatures the logger s data must be read Click on
16. E Click Next In the edit box called Select a name for the shortcut enter Temprecord for Windows Click the Finish button Creating an Installation Disk This section is only relevant if you have downloaded TEMPRECORD FOR WINDOWS via the worldwide web TEMPRECORD is always distributed via electronic media as a single file called a self extracting archive The name of the file always reflects the version of the program for example the file for version 3 20 is called TRW320 EXE To create an installation disk e Download the file TRWnnn EXE where nnn is the version number e g TRW320 EXE to a temporary folder on your hard disk e Run the file TRWnnn EXE This will create several more files in the same folder e delete or move the original file TRWnnn EXE e Copy the remaining contents of the temporary folder to a newly formatted virus free diskette This diskette will now serve as an installation diskette and can be used to install the program on as many computers as you wish according to the instructions on page 3 Alternatively you can run the setup program Temprecord user manual SETUP EXE from the temporary folder The latest version of Temprecord software can be obtained free of charge from http www temprecord com Connecting the Reader Interface Before starting the TEMPRECORD FOR WINDOWS program if you wish to program or read the data from a TEMPRECORD Logger you should connect the Reader Interfac
17. Start Time IV Stop with button lt ceca Start with Switcher Limits Delay Option l Enable Safe Range Stop with Switcher Limit Delay 1O lV Allow Markers K ceea efaults Io User Data Each TEMPRECORD logger has the facility to record up to six lines of user data These lines can each be up to 40 characters long If the TEMPRECORD logger is being used for transportation monitoring the user data might record information such as the shipper s name the type of cargo being monitored etc You can type anything you like into the six lines of user data Password If you want to change the password you must enter the new password into BOTH of the password fields Once again the password will not display as it is typed The new password will only take effect if both entries are filled in and they match so take care in typing the password If the passwords do not match 12 Temprecord user manual or only one of the fields is filled in you will receive an error message Entering the password twice minimizes the possibility of a password unwittingly being incorrectly entered Remember only digits up to 8 are allowed in a password Do not forget your password Without the password the logger cannot be programmed or re used If you want to remove the password altogether so anyone is able to program the logger whether they know the password or not then the password must be set to zero On
18. Temprecord for Windows amp Temprecord for Palm User s Manual 2002 Temprecord International Limited All rights reserved www temprecord com Windows is a registered trademark of Microsoft Corporation IBM is a registered trademark of IBM Corporation Palm is a registered trademark of Palm Inc Revised October 2002 Contents Contents Introduction The Temprecord Logger Range Features Installing the Temprecord Program Installing under Windows 95 98 2000 NT XP Adding a Shortcut to Temprecord for Windows Creating an Installation Disk Connecting the Reader Interface Starting the Temprecord Program Windows 95 98 2000 NT XP Using the HELP System Opening the Menus Using the Speed Buttons Using the Right mouse Button Setting Up Checking for a Temprecord Logger Programming a Logger User Data Password Start Delay and Sample Period Start at Time and Date Lower and Upper Limits Safe Range Entry Limit Delay Loop Overwrite Start and Stop with Button Start and Stop with Switcher Allow Markers Updating the Logger Default Parameters Starting the Logger Stopping the Logger O o a NIN WD Nn A BW NRK Ke Se SS Se Se Se Se Se Se SO i i Ee El ll aaa CONN ANDAD ANN BP PWN NK KF O The Temprecord Switcher Re Using the Logger Reading a Temprecord Logger Displaying the Logged Temperatures as a Graph Zooming and Presets Printing a Graph Displaying the Logged Temperatures in Table Form Statistical Data Statistics for al
19. alm O v0 04 _ item you will get a screen similar to the one at the left alm 5 version 4 1 j i Copyright 2002 ECONZ Ltd This screen displays the following information Temprecord Intemational Ltd P O Box 58 430 Auckland New Zealand aaa E The version of Temprecord for Palm software you have installed Image 9 The Palm OS version your Palm is running The software copyright date Temprecord International Ltd contact information Delete All Delete will delete all TR files from the file list on the main screen when used You cannot delete individual files Warning Warning Warning Warning You have selected an option that can delete all the Temprecord data held on your Palm device You have selected an option that can delete all the Temprecord data held on your Palm device Are you sure you want to do this Are you sure you want to do Delete Successful If you wish to delete all the Temprecord data select OK Otherwise select Cancel All Temprecord data successfully deleted Image 10 Image 11 56 Temprecord user manual Delete All will only delete TR files displayed in your file list it will not delete the Temprecord for Palm program If you tap on the Delete All menu item the message pictured in Image 10 will appear asking you to confirm or cancel the action If you proceed by tapping on the OK button then the message in Image 11 will appear telling you that all files have been de
20. ative method uses predictive microbiology in the form of the Process Hygiene Index PHI The Process Hygiene Index PHI is a means of assessing the potential growth of a microbial indicator organism during a process The PHI is a numerical value that is equivalent to the growth of a microbial indicator organism E coli over a process temperature history collected by an electronic data logger The higher the index value the greater the potential for E coli growth For example an index of 0 zero indicates no growth potential 10 indicates a potential for 10 generations of growth i e an E coli cell has the potential to reproduce 10 times The probe A special probe is manufactured for use in PHI applications The logger probe is tapered and composed of Teflon This allows easy insertion and retrieval from product especially after freezing when other materials may stick Teflon also is a poor conductor of heat so the probe tip which contains the sensor will allow a faithful measurement of the local temperature Positioning the probe The probe is positioned to measure temperature at a site that reflects the process s greatest ability to allow bacterial growth This means that the logger s probe must be attached to the warmest meat surface site where bacterial contamination occurs and the monitored meat must follow the process through its warmest path Deep tissue temperature whilst warmer than the surface during the initial carca
21. ce again both fields must be filled in with the number 0 When the password is zero no password is required to program the user data change the password set the start delay set the sample period or re use the Econolog Multi trip or Scientific TEMPRECORD loggers Make sure you have set the user data and password correctly Once the logger has been started it is not possible to change these Start Delay and Sample Period The start delay is the time from when the logger is started until it actually begins to measure and record temperature values The start delay can be set to any value from ten seconds to 36 hours in multiples of two seconds During this time the logger cannot be read or stopped The start delay is normally set at manufacture to one minute The sample period is the time that elapses between temperature samples Beware of undersampling When plotting the temperatures TEMPRECORD joins the sampled points with straight lines but there is no way of knowing what the temperature was between the samples particularly at longer sample periods Make sure the sample period is set to a sufficiently short duration to catch the fastest expected variation in temperature On the Inland Econolog and Multi trip TEMPRECORD loggers it can be set to any value from two seconds to 2 5 minutes in multiples of two seconds The sample period is set at manufacture to 2 5 minutes On the Export loggers it can be set to any va
22. d set up the various printing options 10 Temprecord user manual When you have finished setting up your options click on OK to close the Options pages Note that TEMPRECORD FOR WINDOWS remembers all of these settings for you so there is no need to repeat this process every time you start up the program The remaining options are discussed later in this manual when the functions they pertain to are covered Checking for a Temprecord Logger If you have a TEMPRECORD logger place it in the Reader Interface Click on File and then Query Logger A window will open indicating TEMPRECORD FOR WINDOWS is checking for the presence of a logger in the reader If one is found after a second or two a window will open displaying a summary of the data read from that logger The program reads just enough data from the logger to provide a summary of the logger contents If you receive the message Unable to access TEMPRECORD logger make sure the COM port is correctly set and the Reader Interface cable properly plugged in The logger itself must be pushed fully into the Reader Interface cavity TEMPRECORD FOR WINDOWS can be set up to automatically check for a logger when the program starts and you also can also make it check for a logger by pressing Space To have TEMPRECORD check for a logger on start up Select Options then General and make sure Check for Logger on Start up is checked Programming a Logger Programming is the general te
23. e Your PC should have connectors at the rear for one or more serial ports These are known as COM ports and may be labeled COM1 through COM4 Most computers have at least one port The connector will either be a 9 pin male DB 9M or a 25 pin male DB 25M The Reader Interface is fitted with a DB 9F female connector If your computer is only fitted with a 25 pin male connector 9 to 25 pin adapters can be purchased from most computer stores if one was not supplied with the Reader Interface You can connect the Reader Interface to any available COM port Your computer must have at least one unused COM port WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures The most recent model SR2 Reader Interface has three LEDs which can serve as an indication of current COM port activity e The LED marked Power should turn on as soon as the TEMPRECORD program is first asked to communicate with a logger and remain on as long as the program is running e The LED marked From PC will turn on whenever the PC is trying to communicate with a logger e The LED marked To PC will turn on whenever the logger is responding Under normal operation e g when reading data from the logger the two Communications LEDs will flash alternatively as the program alternatively asks for data from the logger and receives it Temprecord user manual
24. e entry are met Enabling safe range entry means that the samples taken are not COMPARED against the limits until the conditions for safe range entry are met The logger still takes samples from the time the start delay expires or from the start time and date if this is enabled Limit Delay This option determines the number of consecutive samples that must occur before a condition is met If this value is set to 5 for example e 5 consecutive samples must be taken between the lower and upper limits before checking against the limits starts provided Enable safe range above is checked e IfEnable safe range is not checked then 5 consecutive samples outside the limits must occur before an out of range indication is given 15 Temprecord user manual by the logger e IfEnable safe range is checked then once the safe range has been entered 5 consecutive samples outside the limits must occur before the logger gives an out of range indication Loop Overwrite Normally when TEMPRECORD has taken a number of samples equal to the logger capacity recording of samples stops It is possible however to program the logger so that when it is filled the following samples overwrite the oldest sample The logger will from that time on therefore always contain a record of the most recent 7937 samples Inland Econolog and Multi trip loggers or 32513 samples Export and Scientific loggers You can turn the Loop overwrite option on and off
25. e is not specified and deviating from this convention could cause confusion If a file of the name you specified already exists TEMPRECORD will ask you to confirm that you really wish to overwrite the existing file of the same name If you want to save the file into a different folder specify the folder as well or change to that folder first Loading Another File Once you have saved a file in the manner described above you can then load it at a later date To load a TEMPRECORD data file click on File then Open A dialog window will open allowing you to enter a filename Type in the name of the data file you wish to load and click OK If you cannot remember the name you can scroll through the list of TEMPRECORD data files in the current folder and click on the one you are interested in Once a file is loaded you can graph it and print it as if it had just been read from a logger You can open as many files as you like and even open the same file more than once Each data file is displayed in its own window You can use the View Cascade View Tile Horizontally and View Tile Vertically functions to arrange the windows Picking a File Each time you load or save a data file TEMPRECORD places the name of the file in a pick list of recently used files This list is appended to the file menu If you click on the name of a file on the File menu TEMPRECORD will open the file If it is already open but hidden behind other windows i
26. e operation and or specifications without notice Significant changes to the software program will usually be detailed in the file README TXT found in the TEMPRECORD FOR WINDOWS program The latest software version is available for download from the TEMPRECORD web site at http www temprecord com The Temprecord Logger Range There are five main types of Temprecord temperature data loggers e The Single Use model has a capacity of 7 937 samples Inland or 32 513 samples Export It is started and stopped by snap off tabs and is not reusable e The Econolog model provides an economy option with the same features as the Multi trip MKIII It has an accuracy specification to within 0 5 C e The Multi trip model has a capacity of 7 937 samples is started by a hand held switcher by pressing a button or by the Temprecord program It can be re used Temprecord user manual e The Scientific model has a capacity of 32 513 samples is started by a hand held switcher by pressing a button or by the Temprecord program It can be re used The Scientific model also has a wider operating temperature range e The RH model has a total capacity of 32 513 samples It may record relative humidity or temperature or a combination of both Features Note that all logger specifications are subject to improvement and change Please consult the relevant specification sheet for current data or visit http www tempreco
27. eady listed instead of the single trpalmxxx zip file go to step B B Locate from the list Setup exe and double click on this file This will start the install process and as each of the four individual message screens pop up during the setup process read the instructions and then click on the OK button to carry on with the install process On completion the install process will place the file TempRecord pre into the Palms install folder This is the file for the Temprecord program that will run on your Palm Place your Palm into your HotSync cradle and do a HotSync When that has completed Temprecord will now be installed on your Palm Fitting your Palm to the SR3 Reader Interface On your SR3 Reader interface there is a Palm connector already fixed to the Reader case and a piece of Velcro that is used to secure your Palm to the Reader case 47 Temprecord user manual Remove the backing paper off the Velcro and leave the two pieces of Velcro on the Reader attached to each other do not remove the Velcro off the Reader Next fit your Palm into the Palm connector on the Reader case while doing this keep the top end of the Palm raised above the adhesive side of the Velcro on the Reader for the time being Now center the Palm over the Reader while still connected into the Palm connector and carefully lower the Palm onto the exposed adhesive of the Velcro patch so that the Velcro and the Palm stick together Lastly check that t
28. eans that bacterial growth will be effectively limited only by the cell physiology Having said this meat surface drying is sometimes used to control growth However it is difficult to prove effective application of drying on a non uniform product such as fresh meat Furthermore the effect of drying is difficult to quantify It should be assumed then unless proven otherwise that there will always be areas on the surface of meat that can allow unrestricted growth of bacteria Manipulating the physiological growth capacity of the organisms then best effects control This is best done using temperature Generally speaking bacteria grow faster as the temperature rises The faster they grow the faster they can reach numbers that can result in disease or spoilage Thus by minimising initial bacterial numbers using hygienic processing techniques cooling meat quickly and maintaining low storage temperatures food safety and storage potential will be maximized To have confidence in the product such techniques need to be measured Initial bacterial numbers can be minimized by good manufacturing practice and assessed by classical microbiological techniques The ability for the bacteria to grow during processing can be assessed by re assaying meat at the process end 40 Temprecord user manual This is however a slow process and does not give an indication as to how each processing step contributes to the overall microbial bio load An altern
29. ed for the single phase operation The logger is then removed for the boning operation and then placed with the packaged product to continue the monitoring process There may be a regulatory limit on the maximum length of time the logger can be absent from the product between the phases e g one hour for carcass cuts assessment The PHI value for a two phase process can be calculated as follows Remember that you must have the Statistics option Show Growth Statistics checked in order for TEMPRECORD FOR WINDOWS to display PHI statistics l In Graph View mark the start and end of the first phase of cooling You can do this quickly by positioning the graph cursor at the start of the first 42 Temprecord user manual phase of cooling and pressing F7 Then position the cursor at the end of the first phase of cooling and press F8 Switch to Statistics View TEMPRECORD FOR WINDOWS will then show a value for the PHI for the first phase The expressed PHI will either be for aerobic growth e g carcass cooling or anaerobic growth e g offal cooling although this will be a one phase process only Repeat step 1 for the second phase of cooling Repeat step 2 for the second phase The PHI will be either for anaerobic growth e g warm boned bulk packed meat or vacuum packaged cuts or aerobic growth e g unwrapped cuts Manually calculate the potential for aerobic growth during the inter phase period This is done by firstly choos
30. een highlighted tap anywhere on the graph with the Palm stylus and the graph will zoom in Keep tapping on the graph screen with the Palm stylus until you get the level of detail you want When the Palm beeps at you and no longer zooms the graph that means you have reached the maximum level that the Palm can zoom to To zoom out so the entire graph can be displayed on the Palm screen is a reversal of the zoom in process that is use the Palm stylus to highlight the word OUT on the zoom button located at the bottom left corner of the graph screen When the word OUT on the zoom button has been highlighted tap anywhere on the graph with the Palm stylus and the graph will zoom out Again the Palm will beep at you and no longer expand the graph out when the maximum level of graph expansion has been accomplished Scroll navigation arrows If you look at the center bottom of the graph screen in Image 5 on the previous page you can see two buttons each one has an opposite facing arrowhead graphic on it 52 Temprecord user manual You use these navigation scroll arrows after you have zoomed in on a graph and you want to shift the graph display to the left or right Tap the scroll buttons with the Palm stylus to move the graph in the direction of your choice Status information screen The Status information screen pictured in Image 6 TR 0 04 0001502 20Sep02 x1 gives you some basic information about the logger file you have open in Tempreco
31. emperature and horizontal time scales of the graph The zoom functions are available from the View menu or from the pop up menu when the mouse cursor is over a graph Presets are a particularly useful function They allow you to explicitly set the time and temperature span of a graph This is especially handy when you want to view or print data from two different loggers and compare them You can set the preset times and temperatures explicitly from the Options Graph page or you can use the View Zoom Assign Presets function to assign the presets from the time and temperature span from the current graph window You can then use the View Zoom Zoom Preset function to force the graph in any other window to show only that time and temperature range Printing a Graph To print the currently displayed graph click on File then Print The region of data printed corresponds to the region currently displayed on the graph on screen so you can obtain a printout of the whole data record or any section of it as desired TEMPRECORD FOR WINDOWS has numerous printing options you can use to format your printed reports For example you can print any combination of the summary statistics values or graph If the graph and or values are printed you may select whether the samples printed consist of all the samples just those displayed in the graph in the window or just those samples between the start and end markers Select Options then Printing to change
32. es the plot so that the entire record is visible onscreen This is the same scaling as performed when a file is first viewed the first sample and the end marker to the last sample Moves to maximum temperature and places the curso there See the comments for the F5 key above Sets the start and end markers for the statistical functions printing and zoom between start and end markers see the F9 key functions These markers are displayed on the trace as small flags provided marker display is enabled When a file or logger is read these markers are set to the first and last samples F Zooms the trace between the start and end marker samples 22 Moves to minimum temperature and places the cursor there Note that the search for the minimum and maximum values only takes place over the samples between the start and end markers If you want to find the minimum or maximum value of the whole record make sure the start marker is set to End Fl F4 F5 F6 F7 9 Temprecord user manual Notice that holding the Shift key down in conjunction with the cursor keys multiplies the action of the key e g Shift right arrow jumps the cursor to the right Numerous options control the way the graph view is presented Select Options then Graph to see these You can set the colors used when displaying the graph for example Zooming and Presets TEMPRECORD FOR WINDOWS provides numerous functions for changing the vertical t
33. file 50 Temprecord user manual The reason you have two files is one represents the temperature data and the other represents the RH data The Palm cannot display both RH and temperature graph traces at the same time You will need to select either the temperature or humidity file individually by tapping on the file name from the file list in the main screen to view the data you wish to look at Image 5 shows a typical graph output screen of the Palm the Y axis displays temperature in this case the units are in Celsius but Fahrenheit can be displayed by selecting Fahrenheit through the options menu TR 0 04 0000001 115ep02 1 JEN The X axis displays the date and time scale the DA Cart nny axis information is displayed in the same format as you would see in Temprecord for Windows Image 5 Although it appears that the fine 0 01 temperature resolution is not displayed on the Palm screen it has been saved with the TR file and can be seen after you HotSync the file back to your PC and view the file in Temprecord for Windows software A copy of Temprecord for Windows software can be downloaded from www temprecord com software html 51 Temprecord user manual Zooming in and out of the graph To zoom in on a graph to get more detail use the Palm stylus to highlight the word IN on the zoom button located at the bottom left corner of the graph screen See Image 5 for detail When the word IN on the zoom button has b
34. ger with the Switcher the logger is placed in the cavity of the Switcher and the Start button pressed The LED on the switcher will turn on for approximately two seconds and during this time the TEMPRECORD logger should flash four times to indicate it has started At this time the start delay will begin counting down as normal To stop the TEMPRECORD logger with the Switcher the logger is placed in the cavity of the switcher and the Stop button pressed As when starting the LED on the switcher will turn on for approximately two seconds and during this time the TEMPRECORD logger should flash four times to indicate it has stopped Note that you cannot stop the logger until the start delay period has elapsed If you want to prevent the logger being stopped accidentally after starting you should program the logger with a longer start delay time If the LED on the Switcher should flash when either of the buttons is pressed rather than remaining on continuously this indicates the battery should be replaced as soon as possible as the Switcher will soon fail to function reliably 19 Temprecord user manual The Switcher itself gives no indication as to whether the TEMPRECORD start or stop operation was successful However if the TEMPRECORD logger itself does not flash 4 times when the start or stop buttons are pressed you can assume the operation was NOT successful You can only start a logger that is new or that has just been re
35. ghten the screws you will strip out the thread in the plastic case of the SR3 Reader If this happens you will no longer be able to secure the battery cover in place 59
36. ging data button doing this will stop the logger recording data Reuse Logger This function must be used before you can restart a logger to record data What happens to the logger during this process it is that all of the data stored in the logger is wiped from the memory and the logger is reconfigured with the same setup parameters i e sample rate that were used in the previous sampling of data 54 Temprecord user manual The limitation here is you cannot change any of the setup parameters 1 e sample rate you will need to use Temprecord for Windows to make any changes to the settings of the logger before sampling of data can be started Exit Tapping on the EXIT button with the stylus will return you back to the main screen of Temprecord for Palm it will not exit the program as you could be excused for thinking Options menu The Options menu can be accessed in two ways The first way is to take the stylus and tap on the menu icon located at the bottom left hand corner on the silk screen of the Palm Fahrenheit Alternatively you can tap on the blue title bar at the top of the Palm screen this also will open the Cy Options menu Image 8 The Options menu is not active while the graph is displayed You will need to display the main screen before making any changes from the Options menu as pictured in Image 8 55 Temprecord user manual About From the Options menu if you tap on the About menu Temprecord for P
37. he DB9F plug from the Palm connector cable is secured into the back of the Reader Note The cable connecting the SR3 Reader to your Palm is a proprietary item and should the cable be damaged through misuse it is not protected by the 12 month warranty term that covers the SR3 Reader Interface Removing your Palm from the Reader Interface To remove your Palm from the SR3 Reader Interface lay the Reader on a flat surface and then press the release button on the top of the Palm connector that is attached to the Reader The Palm will eject forward about 2mm or 1 now you can separate the two Velcro halves by lifting the Palm up and away from the Reader case Note We have found from trials that the Velcro patch fixed to your Palm does not interfere with the Palm unit while it is in the Palm docking cradle 48 Temprecord user manual Starting Temprecord for Palm Locate the Palm TR icon on the main screen of your Palm and tap on the icon with the stylus to open the Temprecord program See image 1 to the right the Palm TR icon can be seen in the third column on the third row of icons Temprecord for Palm software will now open with an opening screen as pictured in image 2 below Viewing the data To read and view the data from the logger in the SR3 Reader Interface take the Palm stylus and tap on the Read Logger button located at the lower left hand corner of the Palm screen Palm Temprecord Tapitems to view data
38. he Programs entry in your start menu Within this entry will be entries for the TEMPRECORD FOR WINDOWS program the on line help system the README TXT file and an entry for uninstalling TEMPRECORD As part of the installation process an icon called README TXT will be created in the TEMPRECORD FOR WINDOWS folder You should read the contents of this file as it may contain further information about TEMPRECORD operation that was not available at the time this manual was printed To display the contents of the file double click on the README TXT icon and it will be opened with the Windows Notepad editor Adding a Shortcut to Temprecord for Windows You may wish to start TEMPRECORD FOR WINDOWS from your desktop or Temprecord user manual from a folder that you work from frequently The following procedure adds a shortcut to TEMPRECORD FOR WINDOWS which when double clicked will start the TEMPRECORD FOR WINDOWS program Open the folder where you want the shortcut to appear With the mouse cursor over the folder click the right mouse button If you want the shortcut on your desktop right mouse click on the desktop Select New Select Shortcut In the edit box called Command Line enter the path to the TEMPRECORD FOR WINDOWS program file On most computers this will be C TRW TRW EXE unless you have installed to a different folder or your computer is on a network Alternatively use the Browse button to find the file TRW EX
39. he logger by clicking OK If you click on Cancel instead no changes will be made to the programmed data in the logger If you wish to update the programming parameters in the logger but you do not wish to exit the Parameters form click on Apply instead of OK You can think of the Apply button as being Save and the OK button as being Save and Exit The Apply button can be useful where several loggers need to be set up with the same user data or sample period Default Parameters TEMPRECORD FOR WINDOWS allows you to set up default parameters that can be loaded just by clicking on the Defaults button in the Program Parameters form This is useful if you always set up your loggers with the same sample period or start delay or the six lines of user data are 17 Temprecord user manual always similar To change the settings that are loaded when the Defaults button is clicked select Options then Parameter Defaults Click OK when you have entered your default parameters Starting the Logger Only the Econolog Multi trip RH and Scientific model TEMPRECORD Loggers can be started with the TEMPRECORD program If you are using the Inland or Export TEMPRECORD Loggers you will need to break off the corner of the plastic case marked START to start these units Once the logger has been programmed with the desired parameters it can be started Open the Program menu and select Start You may then be asked to confirm that you wish
40. imit 25 Temprecord user manual Statistics for Samples between Start and End Markers The above parameters are calculated for all of the samples read from the logger If you have set start and end samples that are different from the first and last samples in the logger the above parameters are calculated again using only those samples between the start and end samples This is useful when you want to exclude a portion of the data record e g the time when the logger was not in a controlled environment PHI Statistics TEMPRECORD FOR WINDOWS can also calculate and display PHI Process Hygiene Index statistics To enable this facility click on Options Statistics and make sure Show Growth Statistics is checked The PHI statistics are displayed after the statistics for all samples and statistics for samples between the start and end samples are displayed The PHI statistics are calculated between the start and end samples only The PHI statistics are presented as a guide only They do not represent any actual measured growth of organisms present in the monitored environment The statistics calculated are based on information and techniques developed by the Meat Research Institute of New Zealand For more information on the derivation and application of PHI statistics consult the appendix on page 33 Printing Statistics The information presented in the Statistics view can also be printed Click on Options Printing and make sure
41. in the Program Parameters form If this option is not checked the logger will stop recording when it fills up If this option is checked after the logger has filled subsequent samples taken overwrite the oldest sample Start and Stop with Button You can determine whether the logger can be started and or stopped with the button in the Program Parameters form If you want to be able to start the logger with the button check the option marked Start with Button If you want to be able to stop the logger with the button check the option marked Stop with Button The button on the logger is used for both starting and stopping the logger and also for recording markers in the sample record The button must be held down for at least 10 seconds to stop the logger If Allow Markers is on the logger will flash twice almost immediately to indicate a marker has been inserted and then about 10 seconds later it will flash 4 times to indicate it has been stopped If Allow Markers is off the logger will flash 4 times to indicate it has been stopped button after about 10 seconds Start and Stop with Switcher You can determine whether the logger can be started and or stopped with the switcher in the Program Parameters form If you want to be able to start the logger with the switcher check the option marked Start with Switcher If you want to be able to stop the logger with the switcher check the option marked Stop with Switcher Yo
42. ing the maximum temperature occurring at either the end of the first phase or the start of the second phase and then calculating the amount of potential aerobic growth for the inter phase period using the following formula used by the PHI software algorithm and presented in the paper of Reichel et al 1991 Y 0 0513x 0 17 when x is between 7 and 30 C Y 0 027x 0 55 when x is between 30 and 40 C Y 2 66 when x is between 40 and 47 C and Y 0 when x is lt 7 C or gt 47 C Example If the first phase ends at 7 C and the second phase starts 0 75 hr later at 12 C you need to calculate 0 75 hours aerobic growth at 12 C 0 0513 x 12 0 17 0 2 generations potential growth per hour The inter phase PHI is therefore 0 75 x 0 2 0 15 The three PHI values first phase second phase and inter phase are then added together to give a process PHI For two phase processes that contain an aerobic first phase followed by an anaerobic second phase results that are marginally e g within 0 2 generation above specified upper limits for the process can be recalculated taking into consideration the short aerobic to anaerobic lag period during which cells cease to grow while converting their metabolisms to anaerobic respiration This method is described in Reichel et al It is a tedious process to accomplish manually and may not significantly influence your result however it is an option for those 43 Tempreco
43. ith computers that have a low serial port voltage at or below 6 volts dc Additionally the power management applications running in some laptop computers reduce the voltage to the serial port s of the computer as the battery in the laptop starts to fade away If the serial port output voltage of the computer is less than 6 volts the SR3 Reader will cease to operate and a 9V battery will need to be fitted to the SR3 Reader to restore communications between the Reader and computer Fitting the battery The battery is located under the cover that has the Palm connector mounted on it To replace the 9V battery start by disconnecting and removing the Palm from the SR3 Reader Interface Next unscrew and remove the DB9F serial cable plug from the serial connector at the rear of the SR3 Reader 58 Temprecord user manual Using a square drive screwdriver remove the two screws from the small cover it is the one with the LED visible and the Palm connector fitted to it Now lift the rear end of the small cover up and then back from the rest of the SR3 Reader case The battery can be Unclipped and removed from the Circuit board of the SR3 Reader Interface To replace the battery and cover is a reversal of the battery replacement procedure detailed above Replacing the battery cover screws Important When replacing the battery cover do not over tighten the two retaining screws for the cover just lightly nip them up If you over ti
44. ity Start Delay 00 00 10 Temperature Humidity Upper Limit 36 66 ro Upper Limit 166 06 d g Lower Limit 6 06 Lower Limit 6 06 E Start on Date Option Enables Z Apply J Enable Start on Date T Loop Overwrite Start Date 63 85 02 IV Start with button X cancel Start Time 67 46 54 IV Stop with button Limits Delay Option P Start with Switcher Help J Enable Safe Range Stop with Switcher pas a Limit Delay t BUT Slow Markers GP _ Defauits For explanations of the other controls on the Parameters form above that have not been covered here Refer to the earlier section between page 11 and page 18 of this manual headed Programming a Logger 34 Temprecord user manual Displaying Humidity Data Graph view You can view both Humidity and Temperature data simultaneously in graph view The numerical scale on the y axis at the left hand side of the graph is representative of the data values for both of the adjacent Temperature and Humidity data traces displayed on the screen The portion of the numerical scale of the y axis adjacent to the Humidity trace is interpreted as a percentage between 0 00 and 100 RH The portion of the numerical scale of the y axis adjacent to the Temperature trace should be interpreted in degrees Celsius or Fahrenheit depending on what you have selected in the Units selection control on the Options General form TempRecoed File VHUMIDIMINTREILE 1 M0000901 TR 9 ne ziei xi 3 Flee FELCHA
45. l Samples Statistics for Samples between Start and End Markers PHI Statistics Printing Statistics Saving a File Loading Another File Picking a File Adding Comments to a File Exporting Data Saving a File in ASCII Exiting from the Temprecord Program When Things Go Wrong Humidity Logger Setting up your Humidity Logger Humidity Lower and Upper Limits Displaying Humidity Data Graph view Minimum and Maximum value speed buttons Values view Font Selection Font Colors Dust on the Humidity Sensor Drying the Humidity Sensor Appendix Calculation and Use of Process Hygiene Index Values Introduction The Process Hygiene Index Uses for PHI Inappropriate applications of PHI The Future 19 20 20 21 23 23 24 25 25 26 26 26 26 27 37 28 28 29 30 33 33 34 35 35 36 36 37 37 38 39 40 40 41 44 44 44 References Further reading Temprecord for Palm Introduction Installing Temprecord for Palm software Fitting your Palm to the SR3 Reader Interface Removing your Palm from the Reader Interface Starting Temprecord for Palm Viewing the data Zooming in and out of the graph Scroll navigation arrows Status information screen Programming a logger Start a Data Logger Stop logging data Reuse Logger Exit Options menu About Delete All Celsius and Fahrenheit Transferring files from your Palm to your PC Optional battery Fitting the battery Replacing the battery cover screws 44 46 46 46 47 48 49 49 52 52
46. leted successfully Celsius and Fahrenheit By tapping on either the Celsius or Fahrenheit menu items from the Options menu you can change the way the temperatures are represented on the graph Be aware that the menu items from the Options menu can only be activated from the main screen they cannot be changed while you are in graph view Transferring files from your Palm to your PC The Palm HotSync process is used to transfer Temprecord data from your Palm to your desktop PC If you have TR data in your Palm this will be sent to a folder on your desktop called C Palm User name TR Where User name is the name you entered during the CD setup of Palm Desktop software Temprecord for Palm will create the TR folder for you at the first HotSync session between your Palm and your PC only after the Temprecord software has been installed on your Palm and assuming you have TR data files to transfer from your Palm to your PC 57 Temprecord user manual Once the TR data files have been transferred to your PC you can go to C Palm User name TR folder and then copy or move the TR files to a folder of your choice Using Temprecord for Windows you can open the TR files from the folder you saved them to for further processing of the data Optional battery The SR3 Reader Interface has the option to fit a 9 volt battery to boost the power in the Reader when required You will need to fit a 9V battery when the SR3 Reader Interface is used w
47. lue from two seconds to 36 hours in multiples of two seconds The sample period is set at manufacture to 5 minutes On the Scientific loggers it can be set to any value from two seconds to 36 hours in multiples of two seconds The sample period is set at manufacture to 2 5 minutes If you want to change the start delay or sample period fill in the new values 13 Temprecord user manual They are both specified in hours minutes and seconds When entering the sample period and start delay you don t need to enter the separator characters normally a colon for times and a slash or hyphen for dates After re using an Econolog Multi trip or Scientific TEMPRECORD logger you can change the sample period and start delay if you wish If you do not change them after the logger is re used the start delay is set to the default value of one minute and the sample period remains set to the value last programmed You will receive an error message if you specify a seconds or minutes value above 59 or an overall time above the maximum allowed Any time you do specify will be rounded to the nearest 2 seconds As you type in the new sample period value the duration is calculated and displayed to the right of the sample period The duration displayed assumes the logger will fill to capacity Make sure you have set the start delay and sample period correctly Once the logger has been started it is not p
48. m If you are using the Inland or Export TEMPRECORD Loggers breaking off the remaining corner of the plastic case stops marked STOP will stop these units recording To stop an Econolog Multi trip RH or Scientific TEMPRECORD logger place 18 Temprecord user manual the unit in the Reader Interface and click on Program then Stop You may then be asked to confirm that you wish to stop logging Answer Yes to this prompt and the logger will flash four times to indicate it has been stopped If you have selected Loop Overwrite mode in a Mk I I TEMPRECORD logger stopping the logger is the only way of preventing old samples being overwritten once the logger has filled Remember that Mk III TEMPRECORD loggers can also be stopped by pressing the button The button needs to be held down for about 10 seconds to stop the logger You can determine whether TEMPRECORD asks you to confirm that you want to stop the logger when you use the Stop function from the TEMPRECORD program Select Options then General If the box labeled Prompt before Stopping is clear you will not be prompted The Temprecord Switcher The Temprecord Switcher is a hand held unit that provides an alternative method of starting and stopping the Econolog Multi trip and Scientific loggers It looks very much like a Reader Interface but it has no attached cable and does not need to be plugged in to a computer in order to function To start the TEMPRECORD log
49. meters form of Temprecord for Windows software These are used when setting up the humidity functions of the RH logger before recording The first of the new added controls in the Parameters form has the title Logging This control gives you the option to select whether the logger will record Temperature only Humidity only or both Temperature and Humidity data Select the Logging option you require before starting the logger The second of the new controls added to the Parameters form of the software has the title Humidity 33 Temprecord user manual Humidity Lower and Upper Limits TEMPRECORD Humidity loggers have the ability to compare the logged Humidity against lower and upper limits and report whether the limits have been exceeded via the red and green LED s on the logger The Program Parameters form allows you to specify these limits When TEMPRECORD reads the data from a Humidity logger and displays it in graph view mode the limits that were programmed in the logger are shown on the graph These limits are also used in the values view and statistics view Logger Parameters X User Data Calibration lab temperature and humidity check June 2002 Password 16 second sample period set 16 second start delay set Confirm L Logging j Temperature Sample Period 00 00 18 Duration 11 02 hours Humidity Temperature and Humid
50. mply slide over the logger and are held in place by the tight fit of the cover around the logger case 38 Temprecord user manual When the dust cover becomes congested by dust try washing the cover in warm water after removing it from the logger then rinse the dust cover out thoroughly in clean water Make sure the cover is 100 dry before fitting it to your logger again If the dust cover becomes unusable because of damage or soiling you can obtain replacement dust covers from your TEMPRECORD distributor The dust covers are manufactured from a non absorbent material Do not use a substitute such as filter paper as other materials can become saturated with moisture This will cause the RH logger to record far higher Humidity values and not the actual Humidity level present in the intended environment being logged Drying the Humidity Sensor NEVER USE A MICROWAVE OVEN TO DRY THE HUMIDITY SENSOR Doing so will immediately void the warranty of the logger and seriously damage the electronics and battery inside the unit beyond repair If the humidity sensor in the logger needs to be dried out the following procedure applies Place the logger face down for six hours in a conventional oven that has been set to 50 degrees Celsius 122 degrees Fahrenheit After that turn the logger over for the remaining 18 hours There should be no more than 5 Relative Humidity present inside the oven during the drying process Leave the logge
51. n they reach the right hand edge of the window or not This does not affect the number of columns used when printing the data in reports or when exporting the data to a disk file in ASCII format These are determined by separate options 24 Temprecord user manual Statistical Data Sometimes it is useful to obtain statistical data from the logged temperature Click on View then Statistics to change to the statistics view mode File FREEZER TR iol x ir R a fa Data is from file FREEZER TR read from multi trip logger serial number m o A 9999999 EE EO E E ee ee E SAMPLES BETWEEN START AND END MARKERS Start Marker is at sample 3 067 Mon 26 April 1993 01 51 47 End Marker is at sample 4 271 Wed 28 April 1993 04 01 47 Duration between markers 0 10 00 1 205 samples Mean F T 46 G Maximum 20 45 C Tue 27 April 1993 18 19 17 Mininun 5 r l3 G Mon 26 April 1993 03 16 47 Upper Limit 10 00 C Time Above I 19 00 00 Samples Above A 456 Percentage Above H 37 8 ha rE Statistics for all Samples The statistical information displayed consists of e The mean temperature i e the average temperature the maximum temperature reached the minimum temperature reached The number and percentage of samples that were above the upper limit The number and percentage of samples that were below the lower limit The number and percentage of samples that were both above the upper limit and below the lower l
52. nother part of the world 1 e in a different time zone Was daylight savings time in effect then and it isn t now or vice versa Any of these will result in a time difference Remember that TEMPRECORD FOR WINDOWS displays all times with reference to the time of the receiver i e the viewer of the data I can t move the cursor onto parts of the trace You can only place the cursor on sampled points The data in between the sampled points does not exist in reality so TEMPRECORD skips over them to the next recorded temperature See the note on page 13 concerning under sampling My logger seems to lose samples occasionally The TEMPRECORD logger can be read while it is still logging but does not log any samples while actually being read If you have a short sample period e g 2 seconds and you read the logger it will effectively stop sampling for the time it takes to read the logger 31 Temprecord user manual I can t get my Switcher to work Your Switcher battery may be flat If the LED on the switcher flashes when the buttons are pressed or fails to come on at all replace the battery You can t use the Temprecord Switcher to start and stop the Inland and Export type TEMPRECORD loggers These can only be started and stopped by snapping off the tabs Your logger may have already been previously started or stopped Your logger may be faulty Try placing the logger in a Reader Interface and check it with the TEMPRECORD prog
53. of the TEMPRECORD FOR WINDOWS software Ifa previous version of the software is used with these loggers an error Logger is incompatible is returned NOTE The TEMPRECORD data logger is a monitoring device only It does not control nor does it regulate temperature or humidity Temprecord International Limited will not be responsible for any consequential loss or damage caused as a result of the use of their products Installing the Temprecord Program The instructions following assume that you have received the program in the form of the 3 5 inch installation diskette If you have downloaded TEMPRECORD FOR WINDOWS from the Internet you will need to generate an installation disk image first as described in the section at the end of this chapter on page 5 In order to install and run the TEMPRECORD FOR WINDOWS program you will need an IBM compatible computer preferably with a minimum of 32MB RAM and a Pentium processor running Microsoft Windows 95 98 2000 or NT You will have received the following in your TEMPRECORD Reader Interface package e one copy of this manual e one 3 5 inch floppy diskette e one TEMPRECORD Reader Interface and attached cable The diskette contains the TEMPRECORD FOR WINDOWS program The TEMPRECORD Reader Interface plugs into your computer and in conjunction with the TEMPRECORD FOR WINDOWS program described in this manual allows you to program and read your TEMPRECORD loggers The first step i
54. or the program menu etc Program View Options Help Quen Logger Space k Read Logger Open File Save File Close File Ctrl F 4 Delete File You will notice that some of the menu entries have keys alongside them e g File Read Logger has the key Alt R These keys are short cut keys that can be used to invoke that function They are an alternative to opening the menus and selecting the function directly in that they work from almost anywhere in the program Using the Speed Buttons Most of the common functions in TEMPRECORD can be accessed by means of the row of buttons called Speed buttons below the main menu File Program Yiew Options Help Temprecord user manual The graphic shown on each button is intended to provide a clue as to its functions but if you can t remember position the mouse cursor above the button for a few seconds and a hint will appear telling you what that button s function is Using the Right mouse Button Clicking on the right mouse button will bring up a local menu of the more common functions File FREEZER TR Iof x i i i a EE O a a ioe SO i Values i l t Statistics i i i i v Graph ria Masimu nosan s Zoom gt Minimum aia iia a Set as Start Sample Find T OTEIOTE ae Set as End Sample aed Se eS i a First Sample Read Logger z i l Print Sec pee eg ene eee Save File Start Sample Edit Comments End Sample Display Options 2526 04 93 Close
55. ossible to change these Start at Time and Date Instead of using the start delay to determine how long after starting before the logger starts recording samples you can program TEMPRECORD to start at a particular time and date You must check the box Enable Start on Date Option before you can enter a time and date to start logging from The logger will start recording samples from within a few seconds of the time and date specified The time and date you specify must be in the future or an error is reported when you try to update the logger parameters It is still possible to start the logger by any of the other means i e with the switcher the buttons or by using the Program Start Logger function of TEMPRECORD It is however possible to program the logger so that it cannot be started with the switcher and or the button This is discussed later in this section If the logger is started by any of these means the start time and date is ignored If you only want the logger to start at the programmed time and date make sure the other starting options are disabled Lower and Upper Limits The Mk I II TEMPRECORD loggers have the ability to compare the logged temperatures against lower and upper limits and report whether the limits have been exceeded via the red and green LEDs on the logger 14 Temprecord user manual The Program Parameters form allows you to specify these limits You must enter the limits in the same units as the cur
56. r inside the oven for a minimum drying time of 24 hours to return the RH sensor to calibration conditions Never exceed 70 degrees Celsius 158 degrees Fahrenheit during the drying process as this could damage the logger Humidity sensor facing down Drying the Humidity sensor in a conventional oven as recommended 39 Temprecord user manual Appendix Calculation and Use of Process Hygiene Index Values Introduction The following text is based on a document supplied by The Meat Research Institute of New Zealand It describes how to apply the PHI values calculated by TEMPRECORD FOR WINDOWS Microbes and meat Meat at slaughter is sterile Gill 1979 Microbes that can cause food poisoning and or spoilage begin their activities after contaminating the exposed surfaces of meat A typical organism often found associated with meat is Escherichia coli This organism is an important pathogen It also has growth characteristics that are similar to other mesophilic pathogens viz organisms that grow well in warm environments such as the salmonellae Measuring the ability for E coli to grow on meat is therefore a useful indication of the potential for mesophilic pathogens to grow generally Bacterial growth Bacteria grow and multiply on the meat surface at a rate determined by physiological capacity and the availability of water space and nutrients Fresh meat provides a moist and nutritious environment for bacteria to grow on This m
57. ram Some of the Options are grayed out in the parameters form p gray p 32 Some of the parameters that can be programmed are only supported in the Mk I II logger You cannot alter these if the data was read from an older Mk I logger The High speed Download option is not available when running Windows 2000 or Windows NT Temprecord user manual Humidity Logger Data from TEMPRECORD RH loggers can only be viewed with TEMPRECORD FOR WINDOWS software version 3 28 and any new releases of Temprecord for Windows beyond version 3 28 The only noticeable difference apart from the cosmetics of the logger when visually comparing an TEMPRECORD RH logger to a temperature only logger is the presence of an aperture in the front of the RH logger case this is where the humidity sensor is located TEMPRECORD Humidity loggers functionally are exactly the same to operate as the Temperature only loggers covered in the previous chapters of this manual Therefore when seeking instructions on how to Start Stop and Download data and also access the other commonly used functions of the RH logger you should refer to the earlier chapters of this manual that cover these topics Setting up your Humidity Logger The Parameters Dialog box for TEMPRECORD RH loggers can be accessed in the same manner as for Temperature only loggers Refer to page 11 Programming a Logger From version 3 28 on there have been some new additions to the Para
58. rd com The TEMPRECORD logger range has been enhanced and released as the Mk ITI TEMPRECORD logger range of models The Mk III logger contains many additional features including Programmable lower and upper temperature limits LED indication of whether any logged sample has exceeded the preset temperature limits Ability to start at a predetermined time and date Faster data download when used with the associated Mk II Reader Interface Loop overwrite option where the oldest samples are overwritten when the logger fills The ability to use a button on the logger to insert event markers into the sample record Starting and stopping with a button on the logger Econolog Multi trip and Scientific models only The option to prevent starting and stopping with the switcher or the button Safe range entry option where the samples are not checked against the limits until the temperature has been within the programmed limits for a certain number of samples Non volatile memory storage of recorded data MKIII only that may in most cases be recovered after the internal battery has failed Temprecord user manual Versions 3 28 and later of TEMPRECORD FOR WINDOWS support both the original TEMPRECORD Mk I and Mk II loggers and the current Mk II logger Previous versions of TEMPRECORD FOR WINDOWS are not compatible with the newer Mk III loggers and the Relative Humidity RH logger Mk III loggers require version 3 28 or later
59. rd for Palm software Status Information Logger Type Temperature only Sample Period r 00 00 02 The picture of the Status screen is pretty well self Upper limit 70 0 explanatory the information given is Logger type pea Either temperature or humidity only or both temperature and humidity Image 6 Sample period This is the sample period used by the logger for the file you have open The format is HH MM LSS Upper limit Lower limit If these were set into the logger during the Program Parameters setup in Temprecord for Windows They will be displayed on the graph as two horizontal lines adjacent to the upper and lower temperatures on the Y axis See Image 5 for detail 53 Temprecord user manual Programming a logger Palm Temprecord Select option below If you look at Image 4 you will see a button Start logging data Stop logging data located at the bottom right corner of the screen with the words Program It If you tap on the Program It button with the Image 7 stylus a new screen will appear that looks like the one pictured to the left in Image 7 Start a Data Logger With a logger in Ready to use mode you can start the logger by placing it into the Reader and tapping on the Start logging data button this causes the pre programmed start delay period to count down and then the logger will start Stop logging data To stop a logger place it into the Reader and tap on the Stop log
60. rd user manual operators who want to keep their results faithful with those generated by MIRINZ AP1 software presently incompatible with TEMPRECORD loggers A future release of TEMPRECORD FOR WINDOWS will produce a PHI value for a two phase process and will calculate the lag automatically Uses for PHI In addition to establishing if a process allows a potential for E coli proliferation that is within certain guidelines the PHI technique can be used for Comparing processes e g chiller runs e Assessing the effect of process modifications on allowing microbial growth HACCP Hazards Analysis Critical Control Points applications Inappropriate applications of PHI PHI is not a method to calculate actual bacterial growth on product A PHI value reflects the maximum potential for a process to allow the growth of E coli and similar organisms There may be reasons why actual E coli growth is lower For example some product may have a pH unfavorable for maximum growth some product may dry sufficiently to retard growth while other product within the process may not be contaminated with E coli The Future MIRINZ and TEMPRECORD are continuing to develop and improve software and hardware for extending the scope of the PHI In addition to pursuing this application of predictive microbiology for food safety they are also working on a similar application for predicting the growth of spoilage organisms This will allow processo
61. rent setting of the Units option C or F When TEMPRECORD reads the data from a Mk II HI logger and displays it in graph view mode the limits that were programmed in the logger are shown on the graph These limits are also used in the values view and statistics view Safe Range Entry In some situations the logger must be started while the temperature is outside the limits and it is undesirable for this situation to be reported as a temperature outside of the limits Also there are applications where a brief excursion outside the limits may be expected but is not to be reported as an out of range condition If the Enable safe range option is not checked logger samples are checked against the limits from the time when the logger is started If the option is checked the temperature must enter the safe range i e it must be less than the upper limit and greater than the lower limit before it will be checked against the limits If the Enable safe range option is checked comparison of the temperature values starts as soon as the number of temperature samples specified in the limit delay parameter have been inside the safe range For example if the Limit delay is set to 5 the checking of temperatures against limits will not start until five successive samples have been recorded as inside the safe range Enabling the safe range entry option does NOT mean that the logger does not start taking samples until the conditions for safe rang
62. rm applied to setting up the TEMPRECORD loggers to perform their temperature logging function All of the operations described in this section assume there is a logger in the Reader Interface Each operation is described in the order you would normally perform it Note that some of the operations require knowledge of the logger s password if this has been set To program a logger s parameters prior to use click on Program then Parameters This will open the parameter form If the logger is protected with a password you will be asked to supply this before you can continue The password will be a number of up to 8 digits It 11 Temprecord user manual will not display as you type it When you open the Parameters form some of the options may be shown grayed out This will be for one of the following reasons e The option is not appropriate for example you cannot program the start date and start time unless the Enable Start on Date option is checked e The option is not available because the logger the data was read from is an older Mk I logger and these loggers do not support that feature Logger Parameters x User Data Outdoor temperature Password eese Confirm pox Sample Period 00 05 06 Upper Limit 25 88 Start Delay 00 01 00 Lower Limit 28 80 E Duration 112 89 days Start on Date Option Enables Enable Start on Date Loop Overwrite s o Start Date 7 Start with button J Apply
63. row into view down Scrolls down the graph i e brings lower arrow temperatures into view Expands the trace vertically about the cursor The vertical magnification is increased such that the position of the trace at the cursor remains in the 21 Temprecord user manual same position on the screen Use this key to examine small changes in temperature in more detail If you are using a notebook computer without a dedicated key use the key instead Contracts the trace vertically about the cursor The vertical magnification is decreased such that the position of the trace at the cursor remains in the same position on the screen Shift Expands the trace horizontally about the cursor The Shift horizontal magnification is increased such that the position of the trace at the cursor remains in approximately the same position on the screen The trace cannot be expanded past the point where there are less than 4 samples across the screen If you are using a notebook computer with a reduced keyboard the Shift key function is obtained by pressing Shift Shift Compresses the trace horizontally about the cursor The horizontal magnification is decreased such that the position of the trace at the cursor remains in approximately the same position on the screen Moves to the start of the logged temperatures Moves to the end of the logged temperatures Displays help information about the View Graph display Scal
64. rs to monitor and optimize storage processes to minimise the growth of spoilage organisms and thus maximize the storage life of chilled product References Further reading Gill CO Intrinsic bacteria in meat Journal of Applied Bacteriology 47 367 78 1979 Gill CO Harrison JCL Phillips DM Use of a temperature function integration technique to assess the hygienic adequacy of a beef carcass cooling process Food Microbiology 8 83 94 1991 44 Temprecord user manual Jones RJ The establishment of provisional quality assurance guidelines for assessing the hygienic adequacy of the lamb carcass cooling process New Zealand Veterinary Journal 41 105 10 1993 Jones RJ Establishment of Provisional Quality Assurance Guidelines for Assessing the Hygienic Adequacy of Beef Side Cooling Regimes Meat Science 43 345 349 1996 Jones RJ Philltps DM A HACCP based Process Control Plan using Predictive Microbiology Proceedings of the International Symposium of the Institute of Refrigeration Quimper France 1997 in press Reichel MP Phillips DM Jones RJ Gill CO Assessment of the Hygienic Adequacy of a Commercial Hot Boning Process for Beef by a Temperature Function Integration Technique Intl J Food Micro 14 1991 27 42 45 Temprecord user manual Temprecord for Palm Introduction Thank you for using Temprecord for Palm software its availability now offers you even more flexibility in the range of options to
65. s created with earlier versions of the TEMPRECORD program only support a single comment line If you load one of these files the label fields are ignored and you cannot enter anything in fields 2 through 10 Exporting Data Saving a File in ASCII Sometimes it is necessary to save the data from a logger or a data file in a format that can be read from other programs such as word processors spreadsheets and database programs This is sometimes called exporting data to another program TEMPRECORD FOR WINDOWS can save a file in ASCII format for these purposes Click on File then Export A dialog window will open asking you for the filename The sample range the data format and the number of samples to average over can all be changed in the Export Options page along with other options for exporting data TEMPRECORD allows you to specify the format of the ASCII files so that it will be compatible with your spreadsheet database program etc Click on Options and select the Export page tab 28 Temprecord user manual TempRecord Options Ed Gener Cariment Labels vas Printing e Parameter Defaults Language Teeeevenen sest ancel Field Delimiter space ASCII Filetype Heb C tab Columns e 6OorF C semicolon Date Format No date V Quoted Text C Use local setting Annotation C MM SS Sample Range C HH MM SS Entire Record C Seconds since 1980 C Visible Window C Days since
66. s to install the program The following instructions are for the default installation which assumes that e your diskette drive is drive A Temprecord user manual e your hard disk is drive C e you want the TEMPRECORD FOR WINDOWS program to be placed in a subdirectory folder on your hard disk called C TRW Unless you have good reason to change these defaults we recommend you stick with them If you already have TEMPRECORD for DOS installed on your computer installation of TEMPRECORD FOR WINDOWS will not affect that program and you can continue to use it if you wish If you are installing version 3 18 or later on a computer which already has TEMPRECORD FOR WINDOWS installed you can either install to a different folder or the same place as the existing program If you choose to install it to the same place as the existing TEMPRECORD FOR WINDOWS installation the existing version will be overwritten Installing under Windows 95 98 2000 NT XP e Click on Start e Click on Run e Type A SETUP and click OK e Follow the installation instructions displayed on screen If the installation procedure asks whether your existing copy of TRW INI should be overwritten answer No This file contains all your personal preference settings when running TEMPRECORD FOR WINDOWS If your diskette drive is B rather than A substitute B for A above Under Windows 95 98 2000 NT XP an entry Temprecord for Windows will be added to t
67. ss cooling phase is NOT used because deep tissue is sterile and bacterial growth does not therefore need to be considered If the warmest path is not known or is variable a number of samples e g carcasses are monitored that are representative of the load For a carcass the slowest cooling site is adjacent to the aitch bone pocket bovine or within the cavity adjacent to the 5 and 6 lumbar vertebrae ovine After cold boning the probe should be placed on the surface of a small cut which has the ability to re heat at the fastest rate After warm hot boning a large cut is used because it will cool the slowest After packaging including offals the probe is placed at the thermal centre of the load e g between two cuts at the centre of a box in the centre of the load Further specifications can be tailored for your own process or obtained from the appropriate regulatory literature 4 Temprecord user manual Types of processes Before calculating a process PHI an operator must decide what type of process they have monitored This involves two considerations Firstly is the process one or two phase Secondly is the process aerobic anaerobic or a mixture of the two One phase or Two phase Processes such as carcass cooling and offal cooling are termed single phase processes because they are composed of a single cooling period containing no periods where product is handled requiring removal of the temperature logger A temperat
68. t will be bought to the front The files are listed in order of access with the most recently accessed file at the top of the list 27 Temprecord user manual Adding Comments to a File It is a good idea to choose a filename that reflects the contents of the temperature data when saving a file but it is not always possible to do this in the filename itself For this reason TEMPRECORD FOR WINDOWS allows you to add comments of up to 10 lines of 64 characters each to each file These comments can be changed at any time and the file saved again The comments can contain anything you wish To inspect and if desired change the comment lines of a file click on File then Edit Comments The labels displayed on the left of the comment lines can also be changed This is useful where particular information needs to be entered into the comment lines the labels can serve as a prompt for the user The comments are normally displayed in the Summary View and also printed as part of the summary If you do not normally use the comments facility you can prevent them being displayed or printed by un checking the option Print comment fields in the Printing options The labels are assigned to the TEMPRECORD data at the time the logger is first read and cannot be altered from that point Make sure the default labels are set up for your requirements before you read the logger The comment fields can be edited at any time however Data file
69. to start logging Answer Yes to this prompt and after a few seconds the summary data displayed in the window should change to indicate the logger is in the start delay mode that is it is counting down the start delay after which time it will begin logging When the logger is started the LED on the logger flashes 4 times to confirm this It will flash again after the start delay period has elapsed and logging begins Remember that Mk I II TEMPRECORD loggers can also be programmed to start at a particular date and time and also by pressing the button Do not subject the Inland Export Econolog or Multi trip TEMPRECORD loggers to temperatures below 25 C 13 F or above 60 C 140 F The Multi trip Blue case RH and Scientific loggers must not be subjected to temperatures below 50 C 58 F or above 75 C 167 F Outside these temperatures the logger may fail and logged data could be lost Models fitted with external probes are also subject to these limits but the probe itself can withstand a range of 50 C to 110 C 58 F to 230 F You can determine whether TEMPRECORD asks you to confirm that you want to start the logger when you use the Start function from the TEMPRECORD program Select Options then General Ifthe box labeled Prompt before Starting is clear you will not be prompted Stopping the Logger Only the Econolog Multi trip RH and Scientific model TEMPRECORD Loggers can be stopped with the TEMPRECORD progra
70. u cannot prevent starting and stopping with the switcher of the older 16 Temprecord user manual TEMPRECORD loggers Allow Markers TEMPRECORD has the ability to record markers along with the temperature data A marker is simply an indication of an event no other information is stored other than the fact that the button was pushed and the time it was pushed The time recorded is that of the most recently taken sample To insert a marker you must hold the button down for at least 2 seconds The red LED on the logger will flash twice to confirm that a marker has been recorded This feature must be enabled by checking the Allow markers option in the Program Parameters form If this option is not checked pressing the button has no effect unless stop with button is also checked in which case pressing the button for at least 10 seconds will stop the logger taking samples Once the marker has been recorded i e when the LED flashes be sure to release the button immediately Remember that holding the button down for at least 10 seconds can also stop the logger You can enter as many markers into the logger as you wish but the TEMPRECORD program only displays the first 100 markers recorded Each marker occupies a sample position i e for every marker you insert the sample capacity of the logger is reduced by one for that use Updating the Logger Once you have finished setting the programming parameters you can update t
71. ure history is collected simply by attachment of the probe to the slowest cooling site For surface sites the probe is inserted into a stainless steel disc which is then pinned to the meat surface using a non heat conducting i e Teflon staple The logger should be placed with the product as soon as possible There may be regulatory requirements relating to your process describing when and where probes are placed For carcass cooling the surface temperature should be above 25 C at the beginning of the process and below 7 C at the end which is the minimum temperature for E coli growth At the end of the process the logger is interrogated and a PHI produced Note that 2 models of disc are available one for beef and one for mutton TEMPRECORD FOR WINDOWS expresses PHI values both with and without lag This lag refers to the period of time that bacteria need to adjust to a new environment before they can start to grow For use with fresh meat processing DO NOT USE VALUES EXPRESSED AS WITH LAG This is because bacteria that contaminate meat are considered to have resolved their lag phase by the time process monitoring is commenced When a single phase process is followed by a second operation the overall process is termed two phase An example is where a carcass is cooled first phase boned and the packaged cuts chilled second phase During this operation the temperature logger is used to measure the first phase as describ

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