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简单介绍：
6水蒸汽检测管 Water vapour，有毒气体包括一氧化碳、氨气、氯气、二氧化氮、二氧化硫、甲醛、硫酸二甲酯、氟化氢、硫化氢、氯化氢、砷化氢、汞蒸气、苯、甲苯、二甲苯、甲醇、乙醇、乙烯、乙炔、乙醚、汽油、光气、氰化氢、丙烯腈、磷化氢等几十种。
详情介绍：
6水蒸汽检测管 Water vapour
Watervapour No.6
H2O
| Performance |
MeasuringRange | 0.5 to 1 mg/l | 1 to 18 mg/l | 18 to 32 mg/l |
Number of Pump Strokes | 2 | 1 | 1/2 |
CorrectionFactor | 1/2 | 1 | by scale |
SamplingTime | 1 minutes per pumpstroke | ||
DetectingLimit | 0.1 mg/l (n=2) | ||
ColorChange | Yellowish Green →Purple | ||
ReactionPrinciple | H2O + Mg(ClO4)2 → Mg(ClO4)2 | ||
| Coefficient ofVariation | 10% (for1 to 6 mg/l), 5% (for 6 to 18 mg/l) | ||
| ShelfLife | 3Years | ||
| Correctionsfor temperature & humidity | Temperature correction is necessary | ||
| Store the tubes at cool and darkplace. | |||
H| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
| Alcohols,Ketones,Aldehydes, Sulfur dioxide,Hydrogen chloride | 2000ppm | Puls error | Nodiscoloration |
| Esters,Acrylonitrile | 5000ppm | Puls error | Nodiscoloration |
| Ammonia | 1000ppm | Puls error | Nodiscoloration |
| Nitrogendioxide,Hydrogen cyanide | 500ppm | Puls errorr | Nodiscoloration |
| Hydrogensulfide | - | No effect | Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Vaperpressure method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |