Gastec 133HA 速い検出チューブテトラクロロエチレンCl2C：CCl2（7〜900ppm）

Name: Gastec 133HA 速い検出チューブテトラクロロエチレンCl2C：CCl2（7〜900ppm）
Brand: Gastec

メーカーGastec(このブランドの他の製品を見る)

Model133HA

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Indicator: 20 to 300 ppm
Measuring Range:
+ 7 to 20 ppm, Number of Pump Strokes 2
+ 20 to 300 ppm, Number of Pump Strokes 1
+ 300 to 900 ppm, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: Yellow → Reddish purple
Reaction Principle: Cl2C:CCl2 + PbO2 + H2SO4 → HCl, HCl + Base → Chloride
Coefficient of Variation: 10% (for 20 to 100 ppm), 5% (for 100 to 300 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

7 to 20 ppm

20 to 300 ppm

300 to 900 ppm

Number of Pump Strokes

1/2

Correction Factor

1/3

Sampling Time

45 seconds per pump stroke

Detecting Limit

0.5 ppm (n=2)

Colour Change

Yellow → Reddish purple

Reaction Principle

Cl2C:CCl2 + PbO2 + H2SO4 → HCl
HCl + Base → Chloride

Coefficient of Variation

10% (for 20 to 100 ppm), 5% (for 100 to 300 ppm)

Shelf Life

2 Years

Corrections for temperature & humidity

Temperature correction is necessary

Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Chlorine, Bromine, Hydrogen chloride		+	Reddish purple
1,1,1-Trichloroethane	≧ 3000 ppm	+	Reddish purple
Trichloroethylene		+	Reddish purple

Calibration gas generation

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
25 ppm	100 ppm	-

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