Gastec 91 便携式气体检测管甲醛检测管HCHO（2~100ppm）

制造商: Gastec
Model: 91
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技术规格
制造商消息

Indicator: 2 to 20 ppm
Measuring Range:
+ 2 to 20 ppm, Number of Pump Strokes 2
+ 20 to 50 ppm, Number of Pump Strokes 1
+ 50 to 100 ppm, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: White → Brown
Reaction Principle: HCHO + C6H4(CH3)2 + H2S2O7 → Condensation Polymer
Coefficient of Variation: 15% (for 2 to 6 ppm), 10% (for 6 to 20 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Performance

Measuring Range

2 to 20 ppm

20 to 50 ppm

50 to 100 ppm

Number of Pump Strokes

Correction Factor