© 2020 All rights reserved. Data subject to change without notice.
45
Rev. B | 2020.07
cGas Detector Analog Transmitter - Operation Manual
Confirm CalGas
>1000 PPM
N
>Y
Press ENTER to confirm. Attach the regulator to the span gas cylinder and flow
the span gas over the sensor. You have 120 seconds to start flowing the gas. If
the gas isn’t detected, the display will return to Calibrate Span.
Waiting for Gas
53AD
35s
When the gas is detected the display will show stabilizing for a countdown from
120 seconds and then spanning for a countdown from 60 seconds.
Stabilizing
1961AD
82s
Spanning
1957AD
21s
Span Success
1956 AD 19
When the process has finished and the Span calibration was accepted, press
ENTER and use the UP button navigate to Exit and press ENTER to exit. Remove
the cylinder of span gas.
If the Span calibration was not successful, refer to Section
9.3.3 Span Fault
.
Repeat the calibration steps above for each enabled gas channel.
NOTE:
If an inappropriate concentration of span gas is applied during
calibration, calibration may succeed but it does not mean the equipment has
been calibrated properly. CETCI is not responsible for improperly calibrated
transmitters. Follow manual instructions carefully.
NOTE:
After 5 minutes of inactivity on any screen, the display will return to the
normal operation.
9.3 Trouble Shooting Zero and Span Calibration
This section is intended to aid in correcting issues that may arise during the
calibration procedure.
If you are unable to correct a problem or you have