二氧化硫气体检测管5D

二氧化硫气体检测管5D sulphur dioxide

简单介绍
二氧化硫气体检测管5D sulphur dioxide SO2，Measuring Range 0.2 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.1 ppm (10 hours) Color 二氧化硫气体检测管价格

二氧化硫气体检测管5D sulphur dioxide的详细介绍
二氧化硫气体检测管5D sulphur dioxide
sulphur dioxide No.5D
SO2

Performance

Measuring Range	0.2 to 100 ppm
Sampling Hours	1 to 10 hours
Detecting Limit	0.1 ppm (10hours)
Color Change	Green→ Yellow
Reaction Principle	SO2 + BaCl2 + H2O 仺 BaSO3 + 2HCl HCl + Base 仺 Chloride
Coefficient ofVariation	10%(for 2 to 10 ppm-hr),5% (for 10 to 100 ppm-hr)
ShelfLife	3 Year
Correctionsfor temperature & humidity	Unnecessary
Store the tubes atcool and dark place.

Possible coexisting substances and theirinterferences

Substance	Concentration	Interference	Change color by itself
Nitrogendioxide		-	No
Hydrogen sulphide		+	No

Calibration gasgeneration

Diffusion tubemethod

TLV-TWA	TLV-STEL	Explosive range
2 ppm	5 ppm	-