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3654 Portable H2/N2 Analyzer - Specifications 57 of 66
Operator Manual
ORBISPHERE
Table 7-3: Sensor Specifications - Table 2
Sensor Type
31 272 H
2
31 570 N
2
Membranes 29561A 2952A 2935A 29561A
Thickness 25 µm 25 µm 25 µm 25 µm
Membrane material PFA ETFE
ECTFE
(Halar)
PFA
Recommended
applications
Waste gas and
offgas
Waste gas offgas,
reactor coolant
Reactor coolant
and High H
2
level
Beverage
Radiation limits
10
5
rad 10
8
rad 10
8
rad 10
5
rad
Measurement range at
25°C
0-0.075 ppm, or
0-8 cc/kg, or
0-0.5 bar
0-2.5 ppm, or
0-30 cc/kg, or
0-1.5 bar
0-7.5 ppm, or
0-90 cc/kg, or
0-4.5 bar
0-250 ppm, or
0-200 ml/L, or
0-15 bar
Accuracy (sample temp.
20-50°C within ± 5°C of
calibration temperature)
The greater of
±1% of reading
or ± 2 ppb,
or ± 0.03 cc/kg,
or ± 2 mbar
The greater of
±1% of reading
or ± 8 ppb,
or ± 0.1cc/kg,
or ± 6 mbar
The greater of
±1% of reading
or ± 25 ppb,
or ± 0.25 cc/kg,
or ± 15 mbar
The greater of
±2% of reading
or ± 0.5 ppm,
or ± 0.5 ml/L,
or ± 30 mbar
Accuracy (sample temp.
0-50°C independent of
calibration temperature)
The greater of
±2% of reading or
± 60 ppb or
± 0.7 cc/kg or
± 25 mbar
The greater of
±2% of reading
or ± 250 ppb
or ± 2.5 cc/kg,
or ± 80 mbar
The greater of
±2% of reading
or ± 600 ppb
or ± 6.0 cc/kg,
or ± 200 mbar
The greater of
±4% of reading
or ± 2 ppm,
or ± 1.6 ml/L,
or ± 70 mbar
Measurement cycle
(sec.)
20
Sample flow rate
(through flow chamber)
200 ml/min 100 ml/min 50 ml/min 150 ml/min