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Audited Supplier | Measurement principle | NDIR, dual wave-length method |
| Resolution | 0.1PPmv (with wide range) (Standard) 0.01 PPmv (with high precision) (Optional) |
| Measurement range | 0 ~ 1000PPmv (with wide range) (Standard) 0 ~ 50PPmv (with high precision) (Optional) |
| Accuracy | ±2%F.S. (0 ~ 1000ppm) |
| Repeat-ability error | ≤ ±1% |
| Response time | ≤ 10s |
| Recovery time | ≤ 8s |
| Signal stabilization (within a certain range) |
≤ ±20 ppm, signal period is more than 1000 hours. |
| Signal stabilization (zero) | ≤ ±20 ppm, signal period is more than 1000 hours. |
| Sampling | Pump suction sampling, flow rate 1L/min |
| Zero drift | ≤ ±1% (F.S./year) |
| Linear error | ≤ ±1% |
| Storage | 8000 groups of data. |
| Printer | Can be connected to PC, direct print historical data. (optional) |
| Display | 3.5 inch OLED display, legible in the sunlight. |
| Power supply | Built-in lithium battery, fully charged within 3 hours, continuously working for more than 12 hours. |
| Peak current | < 700 mA |
| Average power | < 2 W |
| Air pressure | 800 ~ 1150 hPa |
| Humidity | 0 ~ 95%RH |
| Work temperature | -20ºC ~ 50ºC |
| Storage temperature | -20ºC ~ 60ºC |
| Dimension | 240*215*115 mm |
| Weight | 1.5 kg |
| Main unit | 1 set |
| Charger | 1 piece |
| Hand-held probe | 1 piece |
| Anti-slip belt | 1 piece |
| Hose 600 mm | 1 piece |
| User's guide | 1 copy |
| Warranty card | 1 copy |
Suppliers with verified business licenses
Audited Supplier 
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