产品分类
PRODUCT CENTER
联系我们
销售电话:时经理
18121126516
021-64835787
产品详情
简单介绍:
二氧化碳检测管CO2 Carbon dioxide,Measuring Range 300 to 5000 ppm Number of Pump Strokes 300 to 5000 ppm (n=1) Correction Factor 1 Sampling Time 2 minutes per pump stroke,二氧化碳检测管价格
详情介绍:
二氧化碳检测管CO2 Carbon dioxide
Carbon dioxide No.2LL
CO2
Performance |
MeasuringRange | 300 to 5000ppm |
Number of PumpStrokes | 300 to 5000 ppm(n=1) |
CorrectionFactor | 1 |
SamplingTime | 2 minutes per pumpstroke |
DetectingLimit | 30 ppm (n=1) |
ColorChange | Pale blue →Purple |
ReactionPrinciple | CO2 + N2H4 → NH2 |
Coefficient ofVariation | 10% (for 300 to 1000ppm), 5% (for 1000 to 5000 ppm) |
ShelfLife | 3 Years |
Correctionsfor temperature & humidity | Unnecessary |
Store the tubes at cool and darkplace. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Ammonia | - | No effect | Nodiscoloration |
CarbonMonoxide | - | No effect | Nodiscoloration |
Hydrogen chloride, | - | No effect | Nodiscoloration |
Nitrogenoxides | - | No effect | Nodiscoloration |
Sulfurdioxide | - | No effect | Nodiscoloration |
Amines | - | No effect | Nodiscoloration |
Organicsolvents | - | No effect | Nodiscoloration |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
5000ppm | 30000ppm | - |