APPENDIX A Model 200E Instruction Manual
Table A-3: M200E Test Measurements, Revision C.8
TEST
Function
Message Text Valid Data Range Description
RANGE RANGE=500.0 PPB 50-20000 ppb Analog output range in single or auto-
range modes.
RANGE1 RANGE1=500.0 PPB
3
50-20000 ppb D/A #1 range in independent range mode.
RANGE2 RANGE2=500.0 PPB
3
50-20000 ppb D/A #2 range in independent range mode.
RANGE3 RANGE3=500.0 PPB
3
50-20000 ppb D/A #3 range in independent range mode.
NOX STB NOX STB=0.5 PPB ≤ 1 ppb with zero air Concentration stability (standard deviation
based on STABIL_FREQ and
STABIL_SAMPLES)
SAMPLE FL SAMPLE FL= 500
CC/M
500 ± 50 cm³/min Sample flow rate
OZONE FL Ozone fl= 80 CC/M 80 ± 15 cm³/min FLow rate of ozone generator supply air
PMT PMT= 000 MV 0-5000 mV for
0-20000 ppb
PMT response
NORM PMT NORM PMT=800.0 MV 0-5000 mV for
0-20000 ppb
Normalized PMT response
AZERO= 40 MV -20 to 150 V Auto-zero value, used to normalize PMT
HVPS HVPS=700 V 400-900 ° C High voltage power supply voltage of the
PMT.
RCELL TEMP
RCELL TEMP= 50.0 C 50 ± 1 ° C Reaction cell temperature
BOX TEMP BOX TEMP= 30.0 C ~9 to ~45° C Box temperature; is about 5° C higher
than ambient temperature
PMT TEMP PMT TEMP= 7.0 C 7 ± 2 ° C PMT temperature, cooled with thermo-
electric cooler
MF TEMP
1
MF TEMP=50.8 C 50 ± 1 ° C Manifold temperature (optional)
IZS TEMP
1
IZS TEMP= 50.0 C 50 ± 1 ° C Internal zero/span option temperature
MOLY TEMP MOLY TEMP= 315 C 315 ± 5 ° C NO
2
converter temperature
RCEL
pressure
RCEL= 5.0 IN-HG-A <10 in-Hg-A Reaction cell (=vacuum) pressure
SAMP
pressure
SAMP= 29.0 IN-HG-A Ambient - ~1 in-Hg-A
Sample pressure, usually about 1 less than
ambient, atmospheric pressure.
NO
X
SLOPE NOX SLOPE= 0.000 1.0 ± 0.3 Slope of linear fit for NO
X
response,
computed during calibration
NOX OFF NOX OFF= 0.0 MV -50 to 150 mV Offset of linear fit for NO
X
response,
computed during calibration.
NO SLOPE NO SLOPE= 0.000 1.0 ± 0.3 Slope of linear fit for NO response,
computed during calibration
NO OFFS NO OFFS= 0.0 MV -50 to 150 mV Offset of linear fit for NO response,
computed during calibration.
Time of Day TIME=15:11:24 00:00:00 to 23:59:59 Current instrument time (24-hour format)
AZERO
242 044100110 Rev A