Gastec 134L 빠른 측정 감지기 튜브 사염화탄소 CCl4 (0.25 ~ 11ppm)

Name: Gastec 134L 빠른 측정 감지기 튜브 사염화탄소 CCl4 (0.25 ~ 11ppm)
Brand: Gastec

제조사Gastec(이 브랜드의 다른 제품 보기)

Model134L

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안전한 결제

품질 보장

간편 교환 및 반품

배송 가능

Indicator: 0.25 to 5 ppm
Measuring Range:
+ 0.25 to 5 ppm, Number of Pump Strokes 2
+ 5 to 11 ppm, Number of Pump Strokes 1
Sampling Time: 2 minutes per pump stroke
Colour Change: White → Yellow
Reaction Principle:
+ CCl4 + I2O5 + H2S2O7 → COCl2,
+ COCl2 + (CH3)2NC6 H4CHO→ (CH3)2NC6 H4CHCl2 + CO2,
+ (CH3)2NC6H4CHCl2 + (C6H5)2NH(White) → Reaction product (Yellow)
Coefficient of Variation: 10% (for 0.25 to 1 ppm), 5% (for 1 to 5 ppm)
Nr. of tests: 5
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

0.25 to 5 ppm

5 to 11 ppm

Number of Pump Strokes

Correction Factor

2.2

Sampling Time

2 minutes per pump stroke

Detecting Limit

0.04 ppm (n=2)

Colour Change

White → Yellow

Reaction Principle

CCl4 + I2O5 + H2S2O7 → COCl2
COCl2 + (CH3)2NC6 H4CHO→ (CH3)2NC6 H4CHCl2 + CO2
(CH3)2NC6H4CHCl2 + (C6H5)2NH(White) → Reaction product (Yellow)

Coefficient of Variation

10% (for 0.25 to 1 ppm), 5% (for 1 to 5 ppm)

Shelf Life

1 Year

Corrections for temperature & humidity

Unnecessary

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

Hydrogen chloride		No	No
Chlorine, Bromine	3/10	+	No(0.4ppm)
Methyl bromide	2.5times	+	Pale yellow (2.5ppm)
1,1,1-Trichloroethane	14 ppm	+	No(17ppm)

Other substance measurable with this detector tube

Substance

Correction Factor

No. of pump strokes

Measuring Range

Chloropicrin

1.1

0.28 to 5.5 ppm

Calibration gas generation

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
5 ppm(2015)	10 ppm(2015)	-

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