APPENDIX A-2: Setup Variables For Serial I/O Teledyne API - T300/T300M and M300E/EM PN 04906H (DCN5840)
A-10
Setup Variable Numeric
Units
Default
Value
Value
Range
Description
PPB,
PPM,
UGM,
MGM
% 4, 5, 9, 18
USER_UNITS — PPM
0
PPM 3, 8
MGM 3, 8
Concentration units for user
interface.
NEG_CONC_SUPPRESS — OFF,
ON 17
OFF, ON ON pegs negative concentrations
at zero; OFF permits negative
concentrations
DIL_FACTOR — 1 0.1–1000
Dilution factor. Used only if is
dilution enabled with
FACTORY_OPT variable.
DARK_CAL_DURATION Seconds 180,
60 4
10–600 Duration of dark cal. First two-
thirds is stabilization period; final
third is measure period.
DARK_MEAS_MV mV 0 -1000–1000 Dark offset for measure reading.
DARK_REF_MV mV 0 -1000–1000 Dark offset for reference reading.
CO2_COMP_ENABLE — OFF ON, OFF
ON enables CO2 compensation;
OFF disables it.
CO2_COMP_CONC % 0 0–20
CO2 concentration to
compensate for.
SOURCE_DRIFT_ENAB 21 — OFF ON, OFF ON enables source drift
compensation; OFF disables it.
SOURCE_DRIFT 21 PPB/Day 0 -500–500
Source drift compensation rate of
change.
CO_CONST1 — 8000,
50015,20,22,23
78.8 9,12
3020 18
500 4,9,12
39600 8
40000 3
100–50000 CO calculation constant.
CO_CONST2 — 0.2110
0.356 20,22,23
0.367 15
1.458 9,12
1.4625 18
1.448 4
0.192 8
0.187 3
0.1196 24
0–10 CO calculation constant.
ET_MEAS_GAIN — 1 0.0001–9.9999 Electrical test gain factor for
measure reading.
ET_REF_GAIN — 1 0.0001–9.9999
Electrical test gain factor for
reference reading.
06864B DCN6314