Gastec 5LC 빠른 측정 감지기 튜브 이산화황 SO2 (0.1-25 ppm)

Name: Gastec 5LC 빠른 측정 감지기 튜브 이산화황 SO2 (0.1-25 ppm)
Brand: Gastec

제조사Gastec(이 브랜드의 다른 제품 보기)

Model5LC

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수량

안전한 결제

품질 보장

간편 교환 및 반품

배송 가능

Indicator: 0.5 to 10 ppm
Measuring Range:
+ 0.1 to 0.25 ppm, Number of Pump Strokes 4
+ 0.25 to 10 ppm, Number of Pump Strokes 2
+ 10 to 25 ppm, Number of Pump Strokes 1
Sampling Time: 2 minute per pump stroke
Colour Change: Bluish purple → White
Reaction Principle: SO2 +I2 +2H2O → H2SO4 + 2HCl
Coefficient of Variation: 10% (for 0.25 to 2 ppm), 5% (for 2 to 10 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Manual tube

Performance

Measuring Range

0.1 to 0.25 ppm

(0.25) to 10 ppm

10 to 25 ppm

Number of Pump Strokes

Correction Factor

0.4

2.5

Sampling Time

2 minutes per pump stroke

Detecting Limit

0.02 ppm (n=4)

Colour Change

Bluish purple → White

Reaction Principle

SO2 +I2 +2H2O → H2SO4 + 2HCl

Coefficient of Variation

10% (for 0.25 to 2 ppm), 5% (for 2 to 10 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

Nitrogen dioxide		(Unclear demarcation)	Brown (approx.1mm long from the inlet)
Hydrogen sulphide	≧ 1/10	+	White

Calibration gas generation

Permeation tube method

TLV-TWA	TLV-STEL	Explosive range
-	0.25 ppm (2014)	-

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