Gastec 132HA 快速三氯乙烯检测管 Cl2C：CHCl（20~1300 ppm）

制造商: Gastec
Model: 132HA
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技术规格
制造商消息

Indicator: 50 to 500 ppm
Measuring Range:
+ 20 to 50 ppm, Number of Pump Strokes 2
+ 50 to 500 ppm, Number of Pump Strokes 1
+ 500 to 1300 ppm, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: Yellow → Reddish Purple
Reaction Principle: Cl2C:CHCl + PbO2 + H2SO4 → HCl, HCl + Basic Compound → Chloride
Coefficient of Variation: 10% (for 50 to 100 ppm), 5% (for 100 to 500 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Performance

Measuring Range

20 to 50 ppm

50 to 500 ppm

500 to 1300 ppm

Number of Pump Strokes

Correction Factor

Sampling Time

45 seconds per pump stroke

Detecting Limit

4 ppm (n=2)

Colour Change

Yellow → Reddish Purple

Reaction Principle

Cl2C:CHCl + PbO2 + H2SO4 → HCl
HCl + Basic Compound → Chloride

Coefficient of Variation

10% (for 50 to 100 ppm), 5% (for 100 to 500 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

Nitric Oxide, Nitrogen dioxide		No	No
Hydrogen chloride, Chlorine, Bromine		+	Reddish purple
Acetone	≦ 200 ppm	No	No
1,1,1-Trichloroethane		+	Reddish purple ( ≧ 3000 ppm)
Unsaturated halogenated hydrocarbons		+	Reddish purple
Aromatic hydrocarbons	≧ 100 ppm		No