Gastec 9D Passive Dosl Tubes 이산화질소 NO2 (0.1 ~ 30ppm)
-
Price (exclude tax) 1,025,325 VND Price (include tax) 1,127,858 VND
- 품질 보증
- 공인 보증
- 집으로 배달
- 간단하게 거래하기
Indicator: 0.1 ~ 30 ppm
Measuring Range: 0.1 ~ 30 ppm
Sampling Hours: 1 to 10 hours
Colour Change: White → Yellow
Reaction Principle: NO2 + o-Toluidine → Yellow product
Coefficient of Variation: 10% (for 1 to 30 ppm-hr)
Nr. of tests: 10
Chi tiết
Performance
| Measuring Range | 0.1 to 30 ppm |
| Sampling Hours | 1 to 10 hours |
| Detecting Limit | 0.05 ppm (10 hours) |
| Colour Change | White → Yellow |
| Reaction Principle | NO2 + o-Toluidine → Yellow product |
| Coefficient of Variation | 10% (for 1 to 30 ppm-hr) |
| Shelf Life | 1 Year |
| Corrections for temperature & humidity | Temperature correction is necessary |
| 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 |
| Bromine,Chlorine | + | Yellow | |
| Ammonia Carbon monoxide Nitric oxide sulphur dioxide Organic gases and vapour |
No | No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.2 ppm(2014) | - | - |
