HOBO LCD Data Logger User`s Manual
Contents
1. 2001 2002 Onset Computer Corporation all rights reserved Onset HOBO StowAway TidbiT HandCar and BoxCar are registered trademarks of Onset Computer Corporation Palm is a trademark of Palm Inc Other products and brand names may be trademarks or registered trademarks of their respective owners CO The CE Marking identifies this product as complying with all relevant directives in the European Union EU Document 7054 A MAN H14 00X 16 HOBO LCD Temp RH User s Manual HOBO LCD Data Logger User s Manual onset HOBO ata logger temperature relative humidity Inside this package The Onset HOBO LCD data logger is shipped with HOBO LCD data logger Ce part number H14 001 internal sensor or H14 002 external probe 2 mounting screws 3 AAA batteries Thank you and congratulations on your purchase of the HOBO LCD data logger from Onset Computer Corporation Please read this manual thoroughly before operating your HOBO LCD logger Refer to the BoxCar Pro User s Manual for details on using the host PC software If you are also using a Palm handheld and HandCar software refer to the HandCar User s Manual A WARNING The HOBO LCD Logger Remote Alarm and or Autodialer are not certified for and should not be deployed in any hazardous classified location where ignitable concentrations of gas and or dust exist IMPORTANT The HOBO LCD Logger Remote Alarm and or Autodialer are not intended for2. After installing the batteries the LCD will display all characters for five seconds Thereafter the LCD will display temperature and RH information for 30 seconds external probe model needs probe installed After this the logger will go into battery conservation mode and display only the battery level The logger will awake from battery conservation mode and display data when launched with the host software The HOBO LCD logger has nonvolatile EEPROM memory that retains data even if the batteries fail As an extra precaution do not remove batteries while logger is recording data Install External Probe external probe 5 ey B a model H14 002 only E The H14 002 external data logger requires a EW compatible external temperature relative humidity SERIES Lp probe or temperature probe see External Probe Specifications on page 13 Plug the external probe into the RJ 12 jack on the side of the HOBO Figure 1 LCD logger If an H14 002 logger is launched and H14 002 display when no external t l be has b ted the displ sensor is connected False values no external probe nas been connected tne display 69 C 92 F 0 RH will be logged will show dashes Figure 1 and will log until a sensor is connected false values 69 C 92 F for temperature and 0 oC for RH Make sure the probe is installed before 5 q d T logging begins and do not remove the probe Ja l i E once logging s
3. Figure 7 LCD Logger with Onset s ARA Remote Alarm and AVD 45 Autodialer Setting up the Remote Alarm and Autodialer in Host Software To configure the ARA Remote Alarm AVD 45 Autodialer or other connected device open BoxCar Pro From the Logger menu select HOBO LCD Temp RH select Launch and click Advanced Options Figure 8 The ALERT contact closure can be set to 7 operate as Normally Closed which opens Aion Deke during an ALERT condition or Normally No Delay Open which closes during an ALERT C Time Delay hourminseck f osf 008 oo condition The HOBO LCD logger AVD eae See Os 45 Autodialer and ARA Remote Alarm are Nomak Open T ER OR pre set in the factory for Normally Closed C Normally Closed Roas i __Set Alert I Set Alert On Low Battery The AVD 45 Autodialer requires the logger s contacts to be set to Normally Closed The ARA Remote Alarm can be set to Normally Closed or Normally Open see Cancel Help Figure 8 Advance Option selection box for ALERT HOBO LCD Temp RH User s Manual 7 remote device User s Manuals for more details When you change the contact settings for the HOBO LCD logger between Normally Closed and Normally Open operation the new configuration is retained when the batteries are changed Delaying the ALERT Condition Select No Delay to immediately activate the ALERT when conditions go outside the defined limits or select Time Delay to avoid un
4. and should not be used for medical or life support aerospace or nuclear installation applications Software Cable Requirements The HOBO LCD logger requires Onset Computer Corporation s BoxCar Pro software version 4 3 or later and a PC interface cable for operation For optional operation with a Palm handheld the HOBO LCD logger requires HandCar software version 1 1 or later and a Palm handheld interface cable Functional Overview The HOBO LCD logger records time stamped relative humidity RH and temperature measurements in nonvolatile memory and also displays the current temperature and RH on the LCD Logging parameters are set from a host computer running BoxCar Pro software The logger is then started using the host computer or a Palm handheld running HandCar software The logger updates displayed measurements every five seconds The sample logging interval is software selectable from one second to nine hours Data in the LCD logger can be offloaded to a host computer or Palm handheld Additional Features e ALERT indicator signals when temperature or relative humidity limits have been exceeded software selectable using BoxCar Pro e Contact closure connections for optional remote audio alarm and or autodialer Triggers on ALERT conditions e Memory Left MEM LEFT indicator on LCD shows how much data storage space remains e Battery Level BATT LEVEL indicator on LCD shows how much useful battery life remains e Softw
5. in Launching the Logger on page 4 and Reading out the Logger on page 5 Launching the Logger To launch the HOBO LCD logger 1 Install BoxCar Pro software on the computer see BoxCar Pro User s Manual for details 2 Plug one end of the PC interface cable into an available serial port on the host PC and the other end into the 3 5 mm jack on the logger 3 Start BoxCar Pro software From the Logger menu select HOBO LCD Temp RH and select Launch 4 Specify temperature and or relative humidity measurements based on available sensors If you are using an external temperature only sensor no RH capability make sure the humidity is disabled in the software to maximize memory space Otherwise the unit will record a zero RH value at every logging interval Choose any ALERT limits and select other advanced options Set the logger to begin logging immediately or at a future date time By default the logger clock will be set to the computer host time unless you disable the option Set Logger Clock with Host Time on Launch 5 Click Start Logging Immediately or Delayed Start or optionally use Hold for Launch Later to start later with HandCar on a Palm handheld The temperature RH if activated and memory bars will become visible on the LCD see Figure 4 when logging For full details on software operation refer to the BoxCar Pro User s Manual When using a Palm handheld refer to the HandCar User s Manual Note If the dep
6. warranty gives you specific legal rights You may also have other rights which vary by jurisdiction The remedies provided herein are in lieu of all other remedies express or implied HOBO LCD Temp RH User s Manual 15 e Temperature accuracy 0 7 C at 20 C 1 3 F at 68 F see plot B e Temperature resolution 0 4 C at 20 C 0 7 F at 68 F e Temperature accuracy drift lt 0 1 C 0 2 F per year typical e Temperature response time to 90 8 minutes typical in airflow of 2 m s 4 5 mph Environmental e Operating RH range 0 to 100 intermittent condensing environments up to 30 C 86 F and non condensing above 30 C 86 F e Operating temperature range 40 C to 75 C 40 F to 167 F The H14 001 meets CE specification EN61326 criterion A for ESD and Immunity The H14 002 meets CE specification EN61326 criterion C for ESD and criterion B for Immunity To minimize measurement errors due to ambient RF use the shortest possible probe cable length and keep the probe cable as far as possible from other cables Service and Support HOBO products are easy to use and reliable In the unlikely event that you have a problem with this instrument please read the following Who do I contact Contact the company that you bought the loggers from Onset or an Onset Authorized Dealer Before calling you can evaluate and often solve your problem if you try the following 1 Write down the events that led to
7. x 31 mm 4 9 x 3 6 x 1 2 inches e 170g 6 0 oz with batteries Timebase Error ppm ao a O O O O N S Li K O O K oO 0 0 O h N O _ O O 12 HOBO LCD Temp RH User s Manual Memory Indication Logging Operation The HOBO LCD logger updates the LCD every five seconds When the Wrap Around When Full feature is enabled the MEM LEFT bar graph continually cycles through the segments because the memory can never be empty in this mode Selecting Wrap mode allows the logger to measure and record continuously overwriting the oldest points after memory becomes full If the Wrap Around When Full feature is not selected the MEM LEFT bar graph will decrease as the memory is filled When the memory has been completely filled the LCD will show FLL Full which means the logger has stopped and is no longer making measurements logging data or providing alert alarm functions Data must be offloaded to a PC or Palm handheld before the logger can begin logging again If continuous logger operation is critical for alarm purposes the logger should be launched in Wrap mode If you select Delayed Start in BoxCar Pro software the LCD will display dLy indicating that the logger is delaying logging until the specified date time If you select Hold for Later Launch the LCD will display hLd and will hold these settings until it is triggered to start with HandCar software on a Palm handheld or BoxCar Pro sof
8. 6 sensor tip and cable can be immersed in fresh water up to 50 C 122 F for 1 year lt 3 minutes in still air 15 seconds in stirred water L TMB M002 sensor tip only is suitable for immersion e Accuracy drift lt 0 1 C per year Environmental e Operating RH range 0 to 100 e Operating temperature range 40 C to 100 C 40 F to 212 F External Digital Temperature Relative Humidity Sensor Onset part numbers S THA M002 S THA M006 S THA M017 Note Use only digital probes with serial numbers greater than 580314 with this logger e RH measurement range 0 to 100 between 0 C and 50 C 32 F to 122 F e RH accuracy 3 from 0 C to 50 C 32 F to 122 F 4 in condensing environments e RH accuracy drift Less than 1 per year an additional reversible drift up to 3 can occur when the average relative humidity is above 70 e RH response time to 90 5 minutes typical in airflow of 2 m s 4 5 mph e Temperature measurement range 40 C to 75 C 40 F to 167 F HOBO LCD Temp RH User s Manual 13 Mount the probe to ensure the RH sensor is protected from direct splashing rain or other sources of water saturation The RH sensor can recover from condensation but it will read approximately 100 RH while saturated until it dries out For accurate temperature measurements the probe should not be placed in direct sun In outdoor locations that are exposed to direct sun use a solar radiation shield C
9. are selectable Fahrenheit or Celsius temperature units e Internal relative humidity measurement range of 15 to 95 e Internal temperature measurement range of 20 C to 50 C 4 F to 122 F e External probe model with choice of temperature and temperature RH probes see specifications on page 13 e Operates for one year on three alkaline AAA batteries in typical conditions 2 HOBO LCD Temp RH User s Manual product s properly packaged to protect against further damage to Onset at your expense with the RMA number marked clearly on the outside of the package Onset is not responsible for any package that is returned without a valid RMA number or for the loss of the package by any shipping company Products must be clean and free of any toxins before they are sent back to Onset or they may be returned to you Repair Policy Products that are returned after the warranty period or that are damaged by the customer as specified in the warranty provisions can be returned to Onset with a valid RMA number for evaluation Optional Services Please contact Onset for more information and prices on e ASAP Repair Onset will expedite the repair of a returned product e Data back Service HOBO data loggers store data in nonvolatile EEPROM memory Onset will if possible recover your data to a disk e Tune Up Service Onset will examine and retest any HOBO data logger Warranty Onset Computer Corporation Onset warrants t
10. ct a remote audio alarm and or an autodialer to the contact closure The limits are set in the host software and are active only when the logger is logging When the logger is not logging 1 e when in delayed launch mode or if the memory is full and the Wrap Around When Full feature was disabled the limits are not checked When the ALERT flashes the measurement that went out of limits temperature or RH also flashes See page 8 for how to delay the triggering of the ALERT condition after the logger senses an out of limit condition Avoiding False ALERTs when Deploying a Logger In some applications the environment in which the logger is launched is in immediate violation of the desired ALERT limit For example launching the HOBO LCD logger at the host PC in room temperature and setting an upper alarm limit of 32 F for a freezer application will cause an immediate ALERT In this situation choose Delayed Start to allow enough time to transport mount and stabilize the logger in the desired location see individual sensor response times beginning on page 13 Alternatively choose Hold for Later Launch to save logging parameters for a subsequent start with a Palm handheld or laptop Connecting a Remote Alarm or Autodialer optional The HOBO LCD logger is compatible with Onset s Remote Alarm part number ARA and Autodialer part number AVD 45 available from Onset Computer or an Onset Authorized Dealer To access the ALERT contact closu
11. e _ Keep the HOBO LCD Logger Dry The HOBO LCD logger is designed for a non condensing non corrosive environment Keep the logger dry Some of the external probes can be placed in harsher environments see External Probe Specifications on page 13 Figure 9 Wall Mounting Template HOBO LCD Temp RH User s Manual 9
12. e selection in plots exporting data files and more HOBO LCD Temp RH User s Manual 5 If an application requires a remote probe to be permanently installed at the site first disconnect the logger from any alarm and then disconnect it from the remote probe Then transport the logger back to the host PC for Readout The logger will record values of 69 C 92 F for temperature and 0 RH after the logger has been disconnected from a remote probe After offloading the logger re launch it with a delayed start allowing enough time to return the logger back to the site connect it to the alarm and re insert the external probe If the alert output is connected to a remote alarm configured for Normally Closed inputs see page 7 you can avoid false alarms when the logger is disconnected by making a temporary connection between the wires going to the remote alarm Be sure to disconnect this temporary connection when the logger is reconnected to the remote alarm wires Note HandCar software for Palm handhelds allows you to start a logger check current measurements offload logger data for transport back to a PC and restart a logger HandCar does not allow you to view stored data or set launch parameters ALERT Operation Overview Use the ALERT feature to flash a warning on the LCD if monitored temperature or relative humidity falls outside user selectable limits If you require remote or secondary notification of an ALERT condition you can conne
13. ensor s prongs from the sockets 5 Pick up the replacement sensor with your thumb and forefinger on the top and bottom opposite the prongs 6 Align the prongs of the sensor with the sockets on the circuit board and gently press the prongs into place using your other thumb to ensure the prongs are firmly seated in the sockets 7 Use a small dab of noncorrosive RTV adhesive e g General Electric RTV 162 on both sides of the replacement sensor to hold it in place Be certain that no RTV covers the upper screen on the sensor 8 Place the board back into the case be careful not to dislodge the sensor and tighten the case with the screws 9 Start the logger and check the accuracy of the RH readings Battery Maintenance The HOBO LCD logger s batteries will last one year in typical conditions logging intervals of gt 1 minute with weekly offloads and average temperatures greater than 10 C or 50 F Frequent offloads and or extreme temperatures will reduce battery life At temperatures below freezing 0 C or 32 F the battery level bar graph should be checked regularly under these conditions batteries will typically require replacement every six months Batteries should be replaced when the BATT LEVEL bar graph is down to one segment which indicates 20 battery life or less To ensure data integrity use BoxCar Pro or HandCar software to off load the logger and turn it off before changing batteries The HOBO LCD logger r
14. equires three AAA batteries Onset Computer Corporation strongly recommends the use of fresh alkaline batteries When battery level is very low BATT LEVEL and the bar graph begin to flash indicating that the batteries should be replaced immediately to continue system operation If BATT LEVEL and the bar graph are flashing but no temperature or RH values are displayed the system has stopped logging data or performing alarm functions because of insufficient power If the HOBO LCD is connected to a Remote Alarm and or Autodialer you can choose to have the unit activate an 10 HOBO LCD Temp RH User s Manual the outside The interconnect wire range is 22AWG to 14A WG Refer to Figures 5 6 and 7 for wiring connection details Note All drawings show the logger in the Normally Closed state with the ALERT inactive In Figures 5 and 6 the polarity of the connections to the logger does not matter but the connections to the ARA Remote Alarm and AVD 45 Autodialer should be connected as shown in Figure 7 The HOBO LCD logger s contact closure is initially set at the factory to be Normally Closed but you can change this within BoxCar Pro to accommodate Normally Open devices see ARA User s Manual LOGGER DIALER RBYW jumper or H14 YELLOW WIRE Figure 5 LCD logger with Onset s ARA Figure 6 LCD logger with Onset s AVD Remote Alarm 45 Autodialer AVD 45 AUTO DIALER RBYW
15. loyment requires a remote probe to be permanently installed at the site and the logger is being launched without a connected probe use the Delayed Start feature allowing enough time to transport the logger to the site and attach the remote probe Do not remove and re insert probes once logging has begun Remaining memory is indicated by a five segment bar When wrap E w C around when full is not selected in the software the segments al iJ q T decrease as memory fills when it is selected the segments is continually cycle Remaining battery level is indicated by a five i am ae 2 ol segment bar segments decrease as battery level decreases D E R If the temperature or RH measured by the logger falls outside the E lt RH selected high or low limit the word Alert an alert symbol and the BE J temperature or RH measurement that went out of limits will flash If Ba S eae an Alert Delay time has been set the words Alert Delayed will flash until the measurement value returns to within the acceptable Figure 4 range or until the programmed delay time has passed and the alert condition is activated See Delaying the Alert Conditions and Alert Behavior for more information 4 HOBO LCD Temp RH User s Manual Plot B Internal Temperature Sensor Accuracy Resolution Power e 3 AAA Alkaline batteries user replaceable Internal Temperature Sensor Accuracy and Resol
16. o the original end user purchaser for a period of one year from the date of original purchase that the HOBO product s purchased will be free from defect in material and workmanship During the warranty period Onset will at its option either repair or replace products that prove to be defective in material or workmanship This warranty shall terminate and be of no further effect at the time the product is 1 damaged by extraneous cause such as fire water lightning etc or not maintained in accordance with the accompanying documentation 2 modified 3 improperly installed 4 repaired by someone other than Onset or 5 used in a manner or purpose for which the product was not intended Disclaimer and Limitation of Liability ONSET S OBLIGATION UNDER THIS WARRANTY IS LIMITED TO REPAIR OR REPLACEMENT OF THE PRODUCT ONSET SHALL HAVE NO LIABILITY FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE HOBO PRODUCT S EVEN IF ONSET KNEW OR SHOULD HAVE KNOWN OF THE POSSIBILITY OF SUCH DAMAGES Onset shall not be liable for injury to persons or property resulting from the use of HOBO product s or the failure of such product s Onset s liability if any shall be limited to the original purchase price paid for the product Onset assumes no liability for installation of the product s and or interruptions of service due to strikes riots floods fire and or any cause beyond Onset s control Legal Remedies This
17. onal information Temperature RH Probe Temperature RH probes should be mounted in one of the following ways e Hanging via the cable in the vertical position as shown in Figure 10 e Hanging via the mounting hole as shown in Figure 11 in non condensing environments only i gt EF Z X 777 Fd Sa Figure 10 Figure 11 For accurate readings the probe should not be attached directly to a mounting surface unless that surface is at the same temperature as the environment being monitored Note that the mass of the mounting surface can affect the probe s response time so if this 1s a concern it is best to use one of the three mounting methods listed above HOBO LCD Temp RH User s Manual 11 Replacing the Internal RH Sensor The relative humidity sensor in the H14 001 internal version may require replacement if it is damaged mechanically or by exposure to condensation or chemicals The replacement sensor Onset part number HUM UPS 600 is available from Onset or an Onset Authorized Dealer To replace the sensor Remove the four screws on the back of the unit and open the case 2 Carefully remove the board and turn it over so the LCD is facing up The RH sensor is located on the upper left side of the board adjacent to the LCD Use a sharp knife or razor to carefully cut the RTV rubber adhesive on both sides of the humidity sensor 4 Gently grasp the installed sensor and lift removing the s
18. onsult the external probe User s Manual for additional information HOBO LCD Logger Specifications Ce Environmental e Operating temperature range 20 C to 50 C 4 F to 122 F e Operating relative humidity range 0 to 95 non condensing s Non corrosive environment ogge Capabilities Capacity 65 136 measurements e Software selectable sampling intervals 1 second up to 9 hours recording times up to 1 year e Programmable start time date e Recording modes Stop when full Wrap around when full Nonvolatile EEPROM memory retains data even if batteries fail LCD Size 33 x 50 8 mm 1 3 x 2 inches Displays temperature and relative humidity simultaneously Displays C or F selectable within host software Displays memory remaining Displays battery level Displays flashing ALERT for out of limits conditions selectable within host software oe High and low set points for both temperature and relative humidity ALERT conditions reset on offload ALERT relay output selectable Normally Closed or Normally Open Contact rating 48VDC 1A max Contact resistance less than 1 Ohm Wire size range is 22AWG to 14AWG Communications e High Speed RS 232 serial offload e Offloads to PC or Palm handheld with serial cable e Offload speed 38 4Kbps Readout full logger 64K in less than 1 minute 6 RT iG Timekeeping OZ GG e Time accuracy 1 minute per week at 20 C 68 F see plot A Size Weight e 125 x 92
19. racy and Resolution The maximum reading error for the internal and external temperature sensors is shown in Plot B page 13 This is a worst case error In a typical logger temperature errors will be substantially lower NIST certification of temperature accuracy for some sensors 1s available from Onset The temperature resolution for internal and external sensors is also shown in Plot B page 13 Resolution is the smallest difference between adjacent temperature steps that the logger can report The logger will typically experience little or no accuracy drift unless the electronic components or temperature sensor are damaged mechanically or by exposure to environmental factors beyond the specifications such as high heat and humidity Relative Humidity Accuracy The relative humidity sensors used in the internal sensor model and the Temp RH external probe are temperature compensated The logger s relative humidity 8 HOBO LCD Temp RH User s Manual accuracy for the internal model 1s 3 over the corresponding temperature humidity ranges see specifications and Plot C page 13 The external probe relative humidity is 3 over the corresponding range and 4 in condensing environments The internal RH sensor has an operating RH range of 0 to 95 and a measurement range of 15 to 95 at 25 C and will be damaged by condensation Do not expose the internal RH sensor to fog mist or other condensing conditions The RH sensor used in the ex
20. re connection remove the battery door Inside the logger there are two screw terminals that connect to an internal relay There is a feed through on the bottom of the case to run wires from the screw terminals to 6 HOBO LCD Temp RH User s Manual alarm at the time logging stops due to low battery level Use the Advanced options screen in BoxCar Pro to set the alert on low battery External Probe Mounting Details Temperature Probe When mounting the temperature probe be sure to thermally insulate the sensor from the mounting surface The probe should not be attached directly to a mounting surface unless that surface is at the same temperature as the environment being monitored Note that the mass of the mounting surface can also affect the probe s response time so for best accuracy and response it is best to mount the sensor away from the surface The sensor tip and cable on the L TMA M002 and L TMA MO006 external temperature probe is designed to last at least one year in water as warm as 50 C 122 F The sensor tip on the L TMB M002 stainless steel probe is waterproof but the connector and handle is not intended for prolonged use in water or moist environments especially those with temperatures greater than 50 C 122 F For accurate measurement the probe should not be placed in direct sunlight In outdoor locations that are exposed to direct sun use a solar radiation shield Consult the external probe User s Manual for additi
21. tarts If a temperature only probe is E connected no RH value should be displayed Figure 2 A display of RH Figure 3 indicates that the humidity channel is active in the Figure 2 Display when external temperature sensor is installed with no RH sensor software and should be turned off to maximize memory space Otherwise the unit will record a 0 RH value at every logging interval 100 RH is displayed if a temperature RH sensor is connected E Vy r g a and is covered with condensation The sensor will ay q J ie Z lt a not provide accurate readings until it has dried out E ie i a am ae 2 ol In some applications it may be more convenient to 2a permanently mount a remote probe at the site e g refrigerator freezer clean room Be sure to place HE 7 Ba the remote probe s sensor in a location that is representative of the target measurement location Figure 3 and allows free flow of air beware of any drafts Display when no RH sensor is b installed but RH is still active in caused by vents doors etc See External Probe software Tuming RH off in software will maximize logger space Mounting Details on page 11 for additional mounting information HOBO LCD Temp RH User s Manual It is possible to disconnect the remote probe and transport the HOBO LCD logger back to the host PC for data off loading and relaunching See details
22. ternal probe has an operating range of 0 to 100 in intermittent condensing environments to 30 C 86 F it is recommended for only non condensing environments above 30 C 86 F Sensor measurement range 1s 0 to 100 between 0 C and 50 C The external RH sensor will not be damaged by intermittent condensation at temperatures to 30 C 86 F but if saturated it will read approximately 100 until it dries out See page 11 for mounting instructions The internal RH sensor has an accuracy drift of less than 2 over five years in normal operating conditions 25 C 50 RH non corrosive The external RH sensor may drift up to 1 per year Accuracy is specified for the range 20 to 80 Extended exposure to higher temperatures and or higher relative humidity may increase the sensor s drift rate You can replace the internal RH sensor yourself or have it replaced as part of an H14 001 tune up calibration service available from Onset The RH sensor on the external probe however is not replaceable If damaged the whole probe must be replaced Wall Mounting Instructions for Logger 1 Copy the template Figure 9 and tape template onto the wall in the desired location 2 Mark the center of holes with a punch 3 Screw in mounting screws leaving a gap between the wall and the head of the screw of about 0 5 cm 3 16 in 2 5 cm 1 4 Attach logger by aligning it with the screws and then push in and down to lock in plac
23. the problem Are you doing anything differently 2 Visit the Technical Support section of the Onset web site at www onsetcomp com support html When contacting Onset please indicate that you need Technical Support for the HOBO LCD logger Be prepared to e Provide the product number and serial number for the HOBO LCD logger and software version in question e Completely describe the problem or question The more information you provide the faster and more accurately we will be able to respond Onset Technical Support Onset Computer Corporation 470 MacArthur Blvd Bourne MA 02532 Mailing PO Box 3450 Pocasset MA 02559 3450 Phone 1 800 LOGGERS 1 800 564 4377 or 508 759 9500 Fax 508 759 9100 E mail loggerhelp onsetcomp com Internet www onsetcomp com Returning Products to Onset Direct all warranty claims and repair requests to place of purchase Before returning a failed unit you must obtain a Return Merchandise Authorization RMA number from Onset You must provide proof that you purchased the Onset product s directly from Onset purchase order number or Onset invoice number Onset will issue an RMA number that is valid for 30 days You must ship the 14 HOBO LCD Temp RH User s Manual Installing Batteries To begin operation of the HOBO LCD logger remove the battery door back of unit and insert the three AAA batteries Ensure the batteries are installed in the proper direction then replace the battery cover
24. tware on a laptop Note There may be slight variations between the displayed temperature value and the logged value due to limits in display conversions The values seen on the host PC and Palm handheld are the actual recorded values and the most accurate The displayed temperature values may be up to 0 6 C or 0 6 F higher or 0 1 C or 0 3 F lower than the logged value Fahrenheit values of 200 and higher are displayed as three digits without a decimal e g 205 F however the full resolution value will be recorded in the logger memory e g 205 4 Reading Out the Logger To read out off load the HOBO LCD logger Plug the PC interface cable into the logger 2 Run BoxCar Pro software on a host PC to offload data from the HOBO LCD logger Alternatively use the Palm handheld and HandCar software to offload data and transport it back to the host PC 3 From the Logger menu select HOBO LCD Temp RH and select Readout 4 Ifthe logger is currently logging you can choose to continue logging while offloading or stop logging 5 Typeaname for the file and click Save The software will offload the logger and indicate when offload is complete After offload the logger can be stopped allowed to continue with its current deployment or relaunched to initiate a new deployment You also have the option of adjusting the time zone used for display on the graph See the BoxCar Pro and or HandCar manuals for more details on graphing tim
25. ution error vs Temperature C e Measurement range 20 C to 50 C 4 F Accuracy Resohiion to 122 F e Accuracy 0 7 C at 20 C 1 3 F at 68 F see plot B e Resolution 0 4 C at 20 C 0 7 F at 68 F e Response time to 90 Less than 15 minutes in airflow of 1 m s 2 2 mph e Temperature Accuracy Drift Negligible 3 8 D D a S 32 E 3 x 20 40 Internal Relative Humidity Sensor Temperature C e User replaceable e Measurement range 15 to 95 at 25 C 77 F Plot C Internal Model RH Range e Accuracy 3 over range 100 3 of 20 to 80 see plot C e Response time to 90 lt 2 minutes in airflow of 1 m s 2 2 mph e Accuracy Drift lt 2 over 5 years typical 80 f 3 RH 5 RH RELATIVE HUMIDITY External Probe 0 er OC 10C 20C 30C 40C 50C 60 C Specifications TEMPERATURE Deg C External Analog Temperature Sensors Onset part numbers L TMA M002 L TMA MO006 L TMB M002 e Measurement range 40 C to 100 C 40 F to 212 F Accuracy 0 7 C at 20 C 1 3 F at 68 F see plot B Temperature resolution 0 4 C at 20 C 0 7 F at 68 F Response time to 90 lt 3 minutes typical in airflow of 1 m s 2 2 mph 1 minute typical in stirred water L TMA M002 L TMA MO00
26. wanted ALERTs due to doors opening defrost cycles or similar events Specify the delay time up to 2 hours and the ALERT will wait to activate after sensing an out of limit condition If the out of limit measurement value comes back into the limit range before the delay time ends the ALERT will not be activated If the measured value is outside the limits before the delay time ends that value and ALERT DELAYED will flash ALERT Behavior You can select how the ALERT function behaves once a limit has been exceeded Choose to maintain the ALERT condition until the host has contacted the logger i e for a status off load or relaunch or until the measurements return within limits 1 e ALERT is activated only while the limits are exceeded Testing a Remote Alarm or Autodialer The BoxCar Pro Advanced Options screen allows you to test the contact closure and any connected remote alarm or autodialer After connecting your remote device and setting the preferred closure options Normally Closed or Normally Open click the Set Alert button BoxCar Pro commands the logger to activate the ALERT and change the condition of the contact closure Click the Reset Alert button to deactivate the ALERT When testing the ALERT with the AVD 45 Autodialer it is recommended that you activate the ALERT for up to 7 minutes to ensure that the AVD 45 Autodialer completes its dial out sequence see AVD 45 Autodialer User s Manual for details Temperature Accu
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