Gastec 4M 快速硫化氢测量探测管 H2S（12.5-500 ppm）

制造商: Gastec
Model: 4M
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技术规格
制造商消息

Indicator: 25 to 250 ppm
Measuring Range:
+ 12.5 to 25 ppm, Number of Pump Strokes 2
+ 25 to 250 ppm, Number of Pump Strokes 1
+ 250 to 500 ppm, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: White → Brown
Reaction Principle: H2S + Pb(CH3COO)2 → PbS + 2CH3COOH
Coefficient of Variation: 5% (for 25 to 250 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Performance

Measuring Range

12.5 to 25 ppm

25 to 250 ppm

250 to 500 ppm

Number of Pump Strokes

Correction Factor