Gas sensing specification (in analysis mode), A 900 – INFICON Sensistor ISH2000 Hydrogen Leak Detector User Manual
Page 25
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EN- 25
Sensistor ISH2000 Technical Reference Manual (TRM)
A 900
Gas sensing specification (In Analysis Mode)
Selected unit
Sensitivity
Measurement
range
Linearity
Repeatability
ppm (H
2
)
0.5 ppm
0.5 - 2000 ppm
(0.2%)
Typ. ± 15% of reading
(within 0.1 - 10 x
calibration point in
range 0.5 - 100 ppm)
Typ. ± (10% of
reading + 0.3 ppm)
mbarl/s air
(using 5% H
2
/
95% N
2
as
Tracer Gas)
5 x 10
-7
mbarl/s
5 x 10
-7
- 4 x 10
-2
mbarl/s
Typ. ± 15% of reading
(within 0.1 - 10 x
calibration point in
range 1 x 10
-5
- 2 x
10
-
3
mbarl/s)
Typ. ± (10% of
reading + 3 x 10
-7
mbarl/s)
g/a R143a (using
5% H
2
/95% N
2
as Tracer Gas)
0.2 g/a
0.2 - 8300 g/a
Typ. ± 15% of reading
(within 0.1 - 10 x
calibration point in
range 0.2 - 420 g/a
Typ. ± (10% of
reading + 0.1 g/a)
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