Specifications

Instruction 0019-9326
21
Monoxor III
Figure 5-1. Calibration Kit Hookup
1
2 3 4 5
LEAVE TOP
PORT OPEN
Parts Shown:
1. Gas Cylinder
2. Regulator*
3. Tubing*
4. Tee*
5. Flowmeter*
6. Fitting, Gas
* Contained in Calibration Kit
3
6
ENTER
HOLD
I/O
LIGHT


2. Allow the pump to run and sample fresh air for at least 1 minute.
3. Use the ▲ or ▼ buttons to set the displayed value to 0 ppm.
4. Do one of the following:
a. End this procedure and save the new zero value by holding down
the ENTER button for 2 seconds; after which, the CO screen is
displayed.
b. Continue with Step 5 to span the CO sensor to a known concen-
tration of carbon monoxide.
5. Set up the Calibration Kit with 100 or 500 ppm CO as described in
the instructions supplied with the kit.
6. Connect the tubing of the Calibration Kit to the inlet of the ana-
lyzer; then adjust the regulator for approximately 2 SCFH of excess
ow (see Figure 5.1).
7. After the analyzer has stabilized (2 to 3 minutes), use the ▲ and ▼
buttons to set the displayed value to match the CO concentration
stamped on the gas cylinder.
8. Press ENTER to store the new calibration values and move to the
next calibration screen, or hold down ENTER for 2 seconds to store
the new calibration values and display the CO screen, or press the
I/O button to exit the Calibration Mode and turn OFF the analyzer
without saving the changes.
9. Disconnect tubing from analyzer and turn off gas ow.