Gastec 91TP 포름 알데히드 HCHO/가스 검지관 (0.01 - 1.75 ppm)
Model91TP
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안전한 결제
품질 보장
간편 교환 및 반품
배송 가능
Indicator: 0.03 - 0.50 ppm
Calibration Range: 0.01 - 0.50 ppm
Measuring Range: 0.01 - 1.75 ppm
Sampling (flow) Rate: 100mL/min , 50mL/min
Sampling Volume: 1000mL , 500mL
Sampling Time: 10 min
Colour Change: Yellow → Pale orange
Nr. of tests: 10
Automatic Gas Sampler: GSP-300FT-2
Specifications
| Calibration Range | (0.01) - 0.50 ppm |
| Measuring range | 0.01 - 1.75 ppm |
| Sampling (flow) Rate | 100mL/min , 50mL/min |
| Sampling Volume | 1000mL , 500mL |
| Sampling Time | 10min |
| Detecting Limit | 0.005ppm (1000mL) |
| Colour Change | Yellow → Pale orange |
| Corrections for temperature/humidity | Temperature correction is necessary |
| Shelf life | 1 year (in the refrigerator) |
| Accuracy | CV=5-10% (CV: Coefficient of variation = σ: standard deviation / mean value x 100) |
Possibly coexisting substances and their interferences (NOTE)
| Substance(s) | Interference | Colour change by itself |
| Acetaldehyde | + | Pale orange | |
| Acetone | + | Pale orange | |
| Ethanol | 0.15% |  |
Yellow |
| Xylene | 50ppm | No | No |
| Ammonia |  1ppm |
|
Yellow |
| Nitrogen dioxide |  1ppm |
No | No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| -- |
C0.3ppm(2014) |
7.0 - 73% |
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