Gastec 30 快速氢测量探测管(0.5~2%)

Measuring Range: 0.5~2%, Number of Pump Strokes 1
Sampling Time: 3 minutes per pump stroke
Colour Change: Yellow → Yellowish brown
Reaction Principle: H2 + Na2Pd(SO3)2 → Pd + Na2SO3 + H2SO3
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 0.5 to 2.0 %
Number of Pump Strokes 1
Correction Factor 1
Sampling Time 3 minutes per pump stroke
Detecting Limit 0.5%(n=1)
Colour Change Yellow → Yellowish brown
Reaction Principle

H2 + Na2Pd(SO3)2 → Pd + Na2SO3 + H2SO3

Shelf Life 3 Years
Corrections for temperature & humidity Unnecessary
Store the tubes at cool and dark place.
Special note
This is not a direct reading tube. Concentrations should be determined by using the concentration chart attached with this tube.

Possible coexisting substances and their interferences (NOTE)
Substance Interference Change colour by itself to
Carbon monoxide, Hydrogen sulphide Produce 2 layers
(Yellowish brown and blackish brown)
Dark brown
Acetylene Produce 2 layers
(Yellowish brown and blackish brown)
Darkh brown
Ethylene + Yellowish brown
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
- - 4 to 75%

 

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