Calibration Procedure - TechGrow T-2 PRO Manuel

Calibration procedure:

The calibration menu guides you step by step
through the procedure.
Note: step 5 is your last chance to terminate the
calibration and return to the main menu without
making any modifi cations.
1. "CO2 calibration – Continue? > Yes/No"
CO2 calibration
Continue?
=> Yes
No
2. "Set dipswitch 1 to position 1 (ON)!
- See User-Manual > Continue?".
Set dipswitch 1 to
position 1 (ON)
See User-Manual!
=> Continue?
3. "Place sensor outside and wait 20 minutes".
Continue/Stop
Place sensor outside
and wait 20 minutes
=> Continue?
Stop
4. "Start calibrating sensor to 400 ppm" >
Yes/No".
Start calibrating
sensor to 400 ppm
=> Yes
No
5. "IS SENSOR OUTSIDE? >
Push button 10 sec. to start calibration"
IS SENSOR OUTSIDE?
>>
Push button 10 sec.
to start calibration
6. Arrows (>) will appear on the second line of
the display.
IS SENSOR OUTSIDE?
>>>>>>>>>>
Push button 10 sec.
to start calibration
7. "Calibration started – Ready in 20 minutes"
Calibration started
Ready in 20 minutes
***
During the 20 minutes the following appears
regularly:
"Stay away from sensor sensor!"
Stay away from
sensor!
********
8. Every minute, an asterisk will appear on the
last line of the display.
9. After 20 minutes, this message appears:
Calibration 400 OK
Return Dipswitch 1
to position 0 (OFF)!
10. NOW YOU HAVE TO SWITCH DIP SWITCH
1 BACK TO POSITION 0! (foto B).
11. Close the sensor case (fotoA).
12. Press the PTB to let the T-2 Pro go to the
normal program.
CO2 =
CO2 set
CO2 +/-
Min 412 Max
410
700
50
560