User Manual

Rev. B | 2022.09 cGas Ammonia Vent Line Transmitter - Addendum

5.2 Set Calibration Gas Value

Check to make sure that the calibration gas value set in the transmitter matches the gas

concentration of the calibration gas you are using. How much gas the sensor detects is

directly related to the Calibration Gas setting and the actual concentration of calibration gas

used during calibration.

The factory default used to calibrate the cGas Ammonia Vent Line Detector prior to shipping

is 0.5 % vol (5000 ppm) air balance.

From the main display, press ENTER.

Enter passcode 3032 using the UP button and ENTER button.

Enter Password

3032

Press ENTER to access the Calibrate Menu.

Calibrate Menu

Press Enter

In the Selected Channel menu, conrm the desired channel is showing.

Selected Channel

NH3

Press the UP button to accept the displayed calibration gas value if it is correct. Or press

ENTER and change the value using the UP or DOWN buttons.

Calibration Gas

0.5% vol NH3

Calibration Gas

>0.5% vol NH3

When nished pressed ENTER and then ENTER again to conrm and ENTER to exit.

Conrm?

>0.5% vol

5.3 Attach Calibration Adapter with Tubing

The ammonia sensor is potted into a 5 cm / 2 in long pipe tting that protrudes from the

back of the enclosure.

Press the calibration adapter with an O-ring and two zeroing port plugs into the sensor

opening with the tubing attached.

(P/N: CET-7000-CAP)