1,2-Dichloroethylene gas detection tube 139

NegotiableUpdate on 12/14

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

1,2-dichloroethylene gas detection tube 139, Measuring Range 5 to 10 ppm 10 to 100 ppm 100 to 250ppm Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2.5 Sampling Time 1 minute per pump， 1,2-Dichloroethylene detection tube 139 1,2-Dichloroethene

Product Details

1,2-Dichloroethylene gas detection tube 139 1,2-Dichloroethene No.139

ClCH:CHCl

Performance

MeasuringRange	5 to 10 ppm	10 to 100 ppm	100 to 250ppm
Number of Pump Strokes	2	1	1/2
Correction Factor	1/2	1	2.5
SamplingTime	1 minute per pumpstroke
DetectingLimit	1 ppm (n=2)
ColorChange	Yellow → ReddishPurple
ReactionPrinciple	ClCH:CHCl +PbO2 +H2SO4→ HCl HCl + Base → Chloride
Coefficient ofVariation	10% (for10 to 20 ppm), 5% (for 20 to 100 ppm)
ShelfLife	2Years
Correctionsfor temperature & humidity	Temperature correction isnecessary
Store the tubes inthe refrigerator to keep at 10^oC (50^oF) orbelow.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Concentration	Interference	Change color byitself
Nitrogen monoxide,Nitrogen dioxide	-	No effect	Nodiscoloration
Hydrogen chloride,Halogens	-	Plus error	Produce reddishpurple stain
Tetrachloroethylene	-	Plus error	Produces reddishpurple stain
Trichloroethylene	-	Plus error	Produces reddishpurple stain

Othersubstance measurable with this detector tube

Calibration gasgeneration

Diffusion tubemethod

TLV-TWA	TLV-STEL	Explosive range
200ppm	-	-