检测认证人脉交流通讯录
- 一氧化碳气体检测管1D CO Carbon monoxide，Measuring Range 1.04 to 2000 ppm Sampling Hours 0.5 to 48 hours Detecting Limit 2 ppm (10 hours)一氧化碳检测管价格
一氧化碳气体检测管1D CO Carbon monoxide的详细介绍
一氧化碳气体检测管1D CO Carbon monoxide Carbon monoxide No.1D
CO
Performance
Measuring Range
1.04 to 2000ppm
Sampling Hours
0.5 to 48hours
Detecting Limit
2 ppm (10hours)
Color Change
Pale Yellow →Brown
Reaction Principle
CO +Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient ofVariation 10%(for 50 to 1000 ppm-hr)
ShelfLife 2 Year
Correctionsfor
temperature & humidity Unnecessary
Store the tubes atcool and dark place.
Possible coexisting substances and theirinterferences (NOTE)
Substance
Concentration
Interference
Change color by itself to
Nitrogendioxide
5 ppm
-
No
Chlorine
-
No
No
Hydrogensulphide
-
+
Reddishbrown
Calibration gasgeneration Diffusion tubemethod
TLV-TWA TLV-STEL Explosive range
25 ppm - 12.5to 74%
