Calibration With Rtd Type Combustibles Detector - Ametek Thermox Series 2000 WDG-IV User Manual

5-12 | Thermox Series 2000 WDG-IV / IVC / IVCM

Calibration with RTD Type Combustibles Detector

If you are calibrating a 3-in-1 sensor with the RTD combustibles de-

tector, your combustibles span calibration gas must include methane.
NOTE
On RTD-type detector, the zero gas display then appears:
Display line 2 will only appear if you have the combustibles option;

display line 3 will only appear if you have the combined combustibles
and methane option.
NOTE
1. Press Enter when the zero gas reading(s) on the left of the display stabi-
lizes. The reading on the far right of the first display line shows the setpoint
value you entered for the O
option. This O zero gas setpoint value should match the cal gas cylinder
2
for the O zero gas.
2
If you have the Comb. & CH4 span gas option, you are also prompted
to apply the Comb. & CH4 span gas to the calibration gas inlet port of
the sensor (tubing must be free of oil and dirt):
2. Press Enter when you have applied this calibration gas. You are prompted
to calibrate the Comb & CH4 span gas.
3. Press Enter when the Comb & CH4 span gas reading(s) stabilizes on the
far left of the display.
O2 xx.x % Set xx.x %
Cmb yyyy Set 0
CH4 zzzz Set 0
Press ENTER to Zero
zero gas using the Cal Gas Values menu
2
Inject Comb Span Gas
ENTER to Continue
CANCEL to Abort
O2 xx.x %
Cmb yyyy Set yyyy
CH4 zzzz Set zzzz
Press ENTER to Span Comb