Gastec 5Lb 二酸化硫黄迅速測定検出器チューブ SO2（0.05-10ppm）

Name: Gastec 5Lb 二酸化硫黄迅速測定検出器チューブ SO2（0.05-10ppm）
Brand: Gastec

メーカーGastec(このブランドの他の製品を見る)

Model5Lb

お問い合わせ

数量

安全なチェックアウト

高品質な対応

簡単な交換・返品

配送対応可能

Indicator: 0.2 ~ 5.0 ppm
Measuring Range:
+ 0.05 ~ 0.1 ppm, Number of Pump Strokes 8
+ 0.1 to 0.2 ppm, Number of Pump Strokes 4
+ 0.2 ~ 5.0 ppm, Number of Pump Strokes 2
+ 5.0 ~10.0 ppm, Number of Pump Strokes 1
Sampling Time: 1 minute per pump stroke
Colour Change: Yellowish green → Yellow
Reaction Principle: SO2 + BaCl2 +H2O → BaSO3 + 2HCl, HCl+Base → Chloride
Coefficient of Variation: 10% (0.2 ~ 1 ppm), 5% (1 ~ 5 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

0.05 to
0.1 ppm

0.1 to
0.2 ppm

0.2 to
5.0 ppm

5.0 to
10.0 ppm

Number of Pump Strokes

Correction Factor

1/4

1/2

Sampling Time

1 minute per pump stroke

Detecting Limit

0.01 ppm (n=8)

Colour Change

Yellowish green → Yellow

Reaction Principle

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

Coefficient of Variation

10% (for 0.2 to 1 ppm), 5% (for 1 to 5 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	100%	+	Yellow
Nitrogen dioxide	≧ 1 ppm	Unclear demarcation	Yellow
Hydrogen sulphide		No	No

Calibration gas generation

Permeation tube method

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

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