Gastec 5L 빠른 측정 감지기 튜브 이산화황 SO2 (1.25-200ppm)

Name: Gastec 5L 빠른 측정 감지기 튜브 이산화황 SO2 (1.25-200ppm)
Brand: Gastec

제조사Gastec(이 브랜드의 다른 제품 보기)

Model5L

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수량

안전한 결제

품질 보장

간편 교환 및 반품

배송 가능

Indicator: 5 to 100 ppm
Measuring Range:
+ 1.25 to 2.5 ppm, Number of Pump Strokes 4
+ 2.5 to 5 ppm, Number of Pump Strokes 2
+ 5 to 100 ppm, Number of Pump Strokes 1
+ 100 to 200 ppm, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: Blue → Yellow
Reaction Principle: SO2 + BaCl2 +H2O → BaSO3 + 2HCl, HCl+Base → Chloride
Coefficient of Variation: 10% (for 5 to 20 ppm), 5% (for 20 to 100 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Manual tube

Performance

Measuring Range

1.25 to
2.5 ppm

2.5 to
5 ppm

5 to
100 ppm

100 to
200 ppm

Number of Pump Strokes

1/2

Correction Factor

1/4

1/2

Sampling Time

45 seconds per pump stroke

Detecting Limit

0.25 ppm (n=4)

Colour Change

Blue → Yellow

Reaction Principle

SO2 + BaCl2 +H2O → BaSO3 + 2HCl
HCl+Base → Chloride

Coefficient of Variation

10% (for 5 to 20 ppm), 5% (for 20 to 100 ppm)

Shelf Life

3 Years

Corrections for temperature & humidity

Unnecessary

Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Carbon monoxide, Nitric oxide		No	No
Carbon dioxide		No	No
Nitrogen dioxide	≧ 1/1	+	Pale purple
Hydrogen sulphide		No	No

Calibration gas generation

Permeation tube method

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

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