Gastec 72 빠른 측정 감지기 튜브 에틸 메르 캅탄 C2H5SH (0.5-120ppm)

Name: Gastec 72 빠른 측정 감지기 튜브 에틸 메르 캅탄 C2H5SH (0.5-120ppm)
Brand: Gastec

제조사Gastec(이 브랜드의 다른 제품 보기)

Model72

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안전한 결제

품질 보장

간편 교환 및 반품

배송 가능

Indicator: 5 to 120 ppm
Measuring Range:
+ 0.5 to 5 ppm, Number of Pump Strokes 2 to 10
+ 5 to 120 ppm, Number of Pump Strokes 1
Sampling Time: 2 minute per pump stroke
Colour Change: White → Yellow
Reaction Principle: 2C2H5SH + PdSO4 → (C2H5S)2Pd+ H2SO4
Coefficient of Variation: 10% (for 5 to 40 ppm), 5% (for 40 to 120 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Manual tube

Performance

Measuring Range

0.5 to 5 ppm

5 to 120 ppm

Number of Pump Strokes

2 to 10

Correction Factor

1/2 to 1/10

Sampling Time

2 minutes per pump stroke

Detecting Limit

0.2 ppm (n=10)

Colour Change

White → Yellow

Reaction Principle

2C2H5SH + PdSO4 → (C2H5S)2Pd+ H2SO4

Coefficient of Variation

10% (for 5 to 40 ppm), 5% (for 40 to 120 ppm)

Shelf Life

3 Years

Corrections for temperature & humidity

Temperature correction is necessary

Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Acetylene, Ethylene	2000 ppm	+	Pale brown (whole layer)
Carbon Monoxide	2000 ppm	+	Pale brown (whole layer)
Other Mercaptans		+	Yellow
Hydrogen sulphide	500 ppm	+	No

Calibration gas generation

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
0.5 ppm(2014)	-	2.8 to 18.2%

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