一氧化碳?xì)怏w檢測(cè)管1LC Carbon monoxide
Carbonmonoxide LC
CO
Performance |
Measuring Range | 1to 30ppm |
Number of Pump Strokes | 1 |
Correction Factor | 1 |
Sampling Time | 4 minutes per pumpstroke |
Detecting Limit | 0.5 ppm (n=1) |
Color Change | White → PalePink |
Reaction Principle | CO + Paradium Salt(White) → Pale pink product |
Coefficient ofVariation | 10% (for 1 to 10ppm), 5% (for 10 to 30 ppm) |
ShelfLife | 2 Years |
Correctionsfor temperature & humidity | Temperature correction is necessary |
Store the tubes at cool and darkplace. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Ammonia | - | No effect | Nodiscoloration |
Sulfurdioxide | 1/20 time | Minus error | Nodiscoloration |
Nitrogendioxide | 1/20 time | Plus error | Nodiscoloration |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
25 ppm | - | 12.5 to 74% |