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Calibration Gas Requirements for Hot-Wire Type Combustibles Detector
Use calibration gases @ 10 PSIG, 1.5 SCFH (0.70 kg/cm
o
span gas:
2
o
comb &
2
CH4 Zero Gases:
comb span gas:
CH
span gas
4
Calibration Gas Requirements for RTD Type Combustibles Detector
Use calibration gases @ 10 PSIG, 1.5 SCFH (0.70 kg/cm
o
span gas:
2
Comb & CH4
span gases:
comb span gas:
System Compliance
EMc compliance:
Safety Compliance:
NOTES:
1.
All static performance characteristics are with operating variables constant.
2.
System accuracy referenced to 0.1 to 10% calibrated range.
3.
Response is to calibration gas (without flame arrestors).
Air or from 1.0 to 100% o
From 0.1 to 10% o
, balance n
2
60 to 80% (ppm ranges) or 40 to 60% (% ranges) of the selected
comb. recorder output range in certified mixtures of
CO + H
, 3-4% o
, balance n
2
2
2% CH
, 8% to 10% o
, balance n
4
2
Air or from 1.0 to 100% o
From 0.1 to 10% o
, balance n
2
use a combined combustibles and methane span gas containing 60 to
80% of the full scale combustibles operating range in certified mixtures
of CO (or CO + H
), 2% CH
2
2004/108/Ec
73/23/EEc
2
, 0.7 L/min.)
, balance n
2
2
2
.
2
2
2
, 0.7 L/min.)
, balance n
2
2
2
, 8 to 10% o
, balance n
4
2
2.
Specifications | 2-5
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