Extech EA15 Temperature Data Logger Manual PDF
Contents
1. A and A buttons to scroll through the available intervals 3 to 255 seconds Press the 1 button to select the desired logging interval INTERVAL 2 Make note of the start time time of day for your datalogging session as you will be prompted for this information when downloading the data 3 Press and hold the MEM button for two seconds to enter the datalogging mode The MEM icon on the center of the display will flash each time a record is stored at the interval selected above When the memory is full FULL will appear on the display and the meter will stop logging data 4 To stop and exit the datalogging mode press the MEM button 5 To download data read the datalogging sections below Note Max Min and AVG functions can be used with the meter in datalogging mode Clearing stored data 1 Press the button to turn the meter off 2 Press and hold the MEM button then press the button to turn the meter on When the LCD indicates CLr the entire memory has been erased Datalogging Software The instructions on how to install the datalogging software are printed on the Software CD label After reading the label s directions load the software CD in the PC CD ROM drive Wa S a ae When the program is opened a COM Dual DATALOGGER THERMOMETER PORT selection screen appears Select either COM 1 or COM 2 depending on which computer port will be used to connect to the meter with the s2. accepts two thermocouples with spade plugs sub miniature type with one spade wider than the other 2 Plug the thermocouple s into the meter s T1 and or T2 thermocouple input jack s 3 Always check LCD display for the proper thermocouple type selection Turn Power ON Press the button to turn power on The meter will perform a short self test If a thermocouple is not plugged into the selected input or if the thermocouple is open the display will show The default thermocouple type units and display is determined from the parameters selected when the meter was last used Selecting thermocouple type Press the TYPE button to select the type of thermocouple being used Selecting C F or K units of measure Press the C F K button to select the unit of measure Selecting T1 T2 and T1 T2 Displays Press the T1 T2 T1 T2 button to step through and select from the following displays a T1 thermocouple 1 primary display and T2 thermocouple 2 lower display b T2 primary display and T1 lower display c T1 T2 difference between T1 and T2 primary display and T1 lower display d 11 T2 primary display and T2 lower display Notes e To avoid electrical shock or personal injury do not apply more than 20Vrms between the thermocouples or between any thermocouple and earth ground e If voltage on the measurement surface results in potentials of more than 1V measurement errors may occur e If a potential exists
3. J K E and N type and 0 08 of reading for T type Resolution Accuracy Temperature Coefficient Note Temperature accuracy does not include the accuracy of the probe Note The temperature scale is based on the international temperature scale of 1990 ITS90 Display Input Protection Measurement Rate Over range indication Open input indication Low battery indication Manual Memory Capacity Datalogging Memory Capacity Power supply Battery life Operating Temperature Operating Humidity Storage Temperature Storage Humidity Dimensions Weight Dual Display Multi function LCD with Backlight 60VDC 24VAC rms 1 time per 1 5 second OL appears on the LCD OL appears on the LCD BT appears on the LCD 98 sets 8800 sets 6 AAA Batteries Approximately 200 hours with alkaline batteries 32 to 122 F 0 to 50 C lt 80 RH 14 to 140 F 10 to 60 C 10 to 80 RH 5 91 x 2 8 x 1 4 150 x 72 x 35mm Approx 8 29 oz 235g with batteries 2 Model EA15 Version 1 5 9 03 Meter Description Dual DATA LOGGER 1 RS 232 and thermocouple input jacks a H mem ReaD 2 LCD display 10888 3 Power Data Hold and Backlight buttons MEL 4 Max Min display select and units buttons Ca E 5 MEM input TYPE and READ buttons 6 SET button 7 Battery compartment rear 8 Up Down scroll button 9 Enter Button Operation Connecting thermocouples 1 This meter
4. User Guide EXTECH INSTRUMENTS Thermocouple Datalogging Thermometer Seven 7 Thermocouple input types K J T E R S N Dual thermocouple Input with PC Interface Model EA15 EXTECH EasyView 15 Thermometer Datalogger M D ai T2 READ A008 oe a O08 p KJTERSN MX MN AVG Ne LX Grav Introduction Congratulations on your purchase of the Extech Datalogging Thermometer This device offers dual thermocouple inputs with manual and automatic datalogging capabilities Careful use of this meter will provide years of reliable service Specifications Measurement Ranges 200 0 F to 1999 9 F 150 0 C to 1370 0 C 200 0 F to 1994 0 F 150 0 C to 1090 0 C 200 0 F to 752 0 F 150 0 C to 400 0 C 200 0 F to 1598 0 F 150 0 C to 870 0 C 32 F to 1999 9 F 0 0 C to 1767 0 C 32 F to 1999 9 F 0 0 C to 1767 0 C 200 0 F to 1999 9 F 150 0 C to 1300 0 C J K T E N Type 0 1 F C K R S Type 1 0 F C K 0 1 for reference only J K T E N Type 0 05 reading 1 5 F 0 75 C below 148 F 100 C add 0 15 of reading for J K E and N 0 45 of reading for T 0 05 of reading 2 F 1 C forR S 0 01 of reading 0 06 F per F 0 03 C outside the specified 64 F to 82 F 18 C to 28 C range Below 148 F 100 C add 0 04 of reading for
5. between the thermocouples use electrically insulated thermocouples 3 Model EA15 Version 1 5 9 03 Data Hold Press the HOLD button to freeze the displayed reading The H hold icon will appear on the display Press the HOLD button again to return to normal operation MIN MAX AVG Recording Function with Timer Press the MX MN button to begin capturing the Minimum MN Maximum MX and Average AVG temperature values The Elapsed Time clock will appear on the lower left of the display The primary display shows the current temperature The lower display will indicate the MX MN or AVG value depending on which is selected captured since the MX MN button was pressed 1 Press the MX MN button to step through the MX MN or AVG display Each reading will be accompanied by a Timer value indicating the time when each reading was recorded 2 Press and hold the button to change the elapsed time format from min sec to hour min 3 Press and Hold the MX MN button to exit the MX MN function Backlight Press the amp backlight button to turn on the LCD display backlight The backlight will automatically turn off after one minute or press the button again to turn the light off manually Auto Power OFF The meter will automatically turn off after 30 minutes if no keys are pressed during this period AUTO POWER OFF is disabled in the max min and datalogging modes To disable AUTO POWER OFF manually 1 Hold the enter butt
6. eeor Enter the STARTING TIME of recording Enter the time of day datalogging hh nniss began as noted earlier in Cancel HR MN SC format 7 Model EA15 Version 1 5 9 03 Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies on sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website at www extech com click on Contact Extech and go to Service Department to request an RA number A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written o
7. on while turning power on 2 The AUTO POWER OFF function will be reactivated when the meter is manually turned off Turning Power OFF Press the button to turn power off Manual Datalogging Manual datalogging allows the user to store and recall up to 98 temperature readings with the press of a button 1 Press the MEM button to manually store a single reading into memory The MEM icon and location number of the reading will appear on display for two seconds and then the normal display will return 2 To view stored readings press the READ button The memory location number will briefly appear and then the READ icon and the stored values will appear on the display 3 Press the A and A buttons to scroll through the memory locations and view the logged readings 4 Press the READ button to exit the read mode 5 Press and hold the MEM button while turning the meter on F to clear the memory When the LCD indicates CLr the L L r memory has been cleared 4 Model EA15 Version 1 5 9 03 Automatic Datalogging Automatic datalogging allows the user to store up to 8 800 temperature readings in memory for later downloading and viewing using the supplied software The storage interval rate is programmable from 3 to 255 seconds 1 Press and HOLD the SET button for two seconds to enter the interval programming screen The MEM and INTERVAL icons and interval time will appear on the display Use the
8. r oral is expressed or implied Calibration and Repair Services Extech offers complete repair and calibration services for most products we sell For periodic calibration NIST certification or repair on most Extech products call customer service for details on services available Extech recommends that calibration be performed on an annual basis to ensure calibration integrity Lam a Support Hotline 781 890 7440 Tech support Ext 200 Email support extech com Repair Returns Ext 210 Email repair extech com Website www extech com Copyright 2003 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 8 Model EA15 Version 1 5 9 03
9. upplied cable the cable connects to the top of the meter and to a DB9 9 pin COM PORT on the PC Once the COM PORT selection is correctly made the meter and PC begin communicating The main software screen shown at right appears The menu icons at the top of the screen are explained below 5 Model EA15 Version 1 5 9 03 SAVE FILE ICON The SAVE FILE icon is the first icon on the left floppy disk symbol Click on this icon to save recorded data to a text file When clicked the PC will prompt for a filename and location Once saved this file can be opened in other programs such as spreadsheets word processors and databases OPEN FILE ICON The OPEN FILE icon is located second from left Click to open a file that has already been saved x DATA LIST ICON 111513 j The LIST icon is located third from left on the main 11 15 19 ZIF software screen When clicked data is shown on nea the screen in list format shown at right To save 11 15 28 F graph or print the list click the SAVE GRAPH or moa r PRINT icons in the Data List window 11 15 37 IF 11 15 40 F 11 15 43 F 11 15 46 F 11 15 49 F DATA GRAPH ICON The GRAPH icon is located fourth from left When clicked the data is shown on an x y graph see diagram below The vertical axis represents the temperature units the horizontal axis represents the time xj Click on the PRINT to get a hard copy of the graph Press the four arro
10. w icon next to the Raa PRINT icon to change the scale and to F select data range to be viewed See CS ar aa ane ae ao diagram below 96 25 4Plot Range F xj 92 5 88 75 E Se m 70 11 48 33 1 48 36 11 48 42 11 48 48 11 48 54 11 49 00 SAMPLING INTERVAL The INTERVAL icon 2nd icon from right allows the user to change the number of seconds that the meter waits before logging a reading If the interval is set to xl 5 seconds the meter will record a pare ani TIME in seconds reading every 5 seconds for example i 7 Cancel The range is 1 to 86 400 seconds E 6 Model EA15 Version 1 5 9 03 MIN MAX AVG ICON The AVG icon 3rd icon from right allows the user to view maximum minimum and average readings for T1 and T2 inputs in real time errr when the meter is connected to the RS232 Port via the optical cable Start Time Downloading Readings from the Meter to a PC x With the meter connected to the PC as described earlier and the software running click on the datalogger download icon first icon from the right to begin downloading data from the meter to the PC Memory Size Remained 100 0 Completed When the screen shown at right appears select a set to az view by clicking on its number A set is simply a datalog sampling session Data will be displayed in the data list format described earlier in DATA LIST ICON Once a data set has been selected x the orale SNOWN Delow wil e
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