CAI 700M - CH 4 Correction Factors

700M HFID 6-2-15
104
CH
4
Correction Factors
→ → → →
or
→
CH
4
Correction Factors allows the operator to adjust small offsets between the THC and
CH
4
modes while operating in the THC/CH
4
/NMHC Mode. Press to access the CH
4
Correction Factors menu from the Measure Settings menu.
Notes:
• CH
4
Correction Factors is for advanced operators only and not necessary for normal
operation.
• CH4 Response Factor should be added before correction Factors.
• To properly adjust for any offsets, all four steps need to be done in order from thru
.
• There is only one set of Offset and Correction Factor for all ranges.
• Calibrating in CH
4
single mode will automatically reset the Offset and CH
4
Correction
Factor to the default settings of “0” and “1”.
Press to set the analyzer in THC mode and enter the Manual Zero Calibration screen.
Introduce zero gas into the rear of the analyzer. Once the concentration stabilizes, press to
set the Zero. Press to return to the CH
4
Correction Factors menu.
Current Settings