Gastec 14R 快速氯化氢检测管（50~5000ppm，用于低湿度环境）

制造商: Gastec
Model: 14R
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技术规格
制造商消息

Indicator: 200 to 5000 ppm
Measuring Range:
+ 50 to 200 ppm, Number of Pump Strokes 2 to 4
+ 200 to 5000 ppm, Number of Pump Strokes 1
Sampling Time: 45 seconds per pump stroke
Colour Change: Purple → Pale pink
Coefficient of Variation: 10% (for 200 to 1000 ppm), 5% (for 1000 to 5000 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Performance

Measuring Range

50 to 200 ppm

200 to 5000 ppm

Number of Pump Strokes

2 to 4

Correction Factor

1/2 to 1/4

Sampling Time

45 seconds per pump stroke

Detecting Limit

10 ppm (n=4)

Colour Change

Purple → Pale pink

Reaction Principle

Hydrogen chloride reacts with indicator to produce pale pink stain.

Coefficient of Variation

10% (for 200 to 1000 ppm), 5% (for 1000 to 5000 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		No	No
Nitric oxide		No	No
Chlorine	≧ 4ppm	+	White( ≧ 1ppm )
Carbon dioxide		No	No
Nitrogen dioxide	≧ 1000ppm	+	White( ≧ 1000ppm )
Hydrogen sulphide	≧ 5%		No
Sulphur dioxide	≧ 100ppm	+	Yellow
n-Hexane		No	No