TES 1370 - Manual Data Memory and Read; Auto Datalogging Function; Standard Reference Reading

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 Press “SET” key 5 times, till the “C-0XXXXX” shows on LCD
(calibration mode).
 Press “” or “” key to expected position.
 Press “” or “” key until the LCD value is same as the
standard CO
2
meter.
 Press “” key to store the calibrated value and exit calibration
mode.
Perform CO
2
zero calibration (if need)
 Press key to turn on the meter. Use Nitrogen gas has a
CO
2
concentration of zero ppm into the meter Gas inlet
connector.
 Press “SET” key 6 times, till the “SET CAL” and “CO2” show
on LCD.
 Press “” or “” key select LCD third display shows “ 0 ” or
“- -”, symbol “ 0 ” means perform zero calibration, and symbol
“- -” means back to factory default value.
 Waiting about 10 minutes, until the meter reading is stable.
 Press “” key to store the zero calibration value and exit calibration
mode. Waiting about 1 minute, the meter will display 0 ppm.
Use Standard humidity meter to verify the reading
 Press key to turn on the meter.
 Press “SET” key 7 times, till the “SET CAL” shows on LCD.
 Waiting about 60 minutes, until the meter Temperature/
Humidity sensor probe and standard humidity meter are
environment humidity balance.
 Press “” or “” key until the LCD value is same as the
Standard humidity meter.
 Press “” key to store the calibrated value and exit calibration
mode.
Use Standard temperature meter to verify the reading
 Press key to turn on the meter.
 Press “SET” key 8 times, till the “SET CAL” shows on LCD.
 Press “” or “” key until the LCD value is same as the
Standard temperature meter.
 Press “” key to store the calibrated value and exit calibration mode.
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VII. MAINTENANCE
7-1 Cleaning
Periodically wipe the case with a dry cloth or a damp cloth
with mild detergent.
Do not use abrasives or solvents to clean this instrument.
7-2 Battery Replacement
When the “ ” symbol appears on the LCD, the six
1.5V „AAA‟ alkaline (large current) batteries must be replaced.

Turn the meter off.

Remove the meter‟s battery cover

Replace the batteries observing polarity

Affix the battery cover and secure the rear screws.
VIII. RS-232 INTERFACE, SOFTWARE INSTALLATION and
OPERATION
 For the detailed instruction, please refer to the content of
attached CD-ROM, which has the complete instruction of
RS-232 interface, software operation and relevant
information.
 RS-232 protocol : are enclosed within the content of CD-ROM,
please open the CD-ROM for details.