Description
Features
- LCD dot matrix display
- Support Chinese and English operation, easy to shift
- The gas concentration unit can be shifted quickly
- Self-calibration and zero calibration functions
- High precision gas detector
- With temperature and pressure compensation
- Two stages alarm with sound and light, alarm point is settable
- Rechargeable lithium polymer battery of large capacity
Technical Specifications
| Detection principle | Electrochemistry, use imported high precision gas sensor |
| Sampling method | Pumping suction, flow rate can up to 1 L / min, ten grades of pumping suction for selection |
| Measure range | 0 ppm to 10 ppm, 0 ppm to 20 ppm, 0 ppm to 50 ppm, 0 ppm to 100 ppm |
| Resolution | 0.01 ppm, 0.1 ppm, 1 ppm |
| Precision | ≤ ±5% FS |
| Response time | ≤ 10 s |
| Recovery time | ≤ 10 s |
| Repeatability | ≤ ±1% |
| Linearity error | ≤ ±1% |
| Zero shift | ≤ ±1% (FS / year) |
| Explosion-proof | Ex ia IIC T4 |
| Degree of protection | IP 66 |
| Operating time | 12 hrs. |
| Alarm mode | Sound, light, vibration |
| Humidity | 0% RH to 95% RH |
| Temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Dimensions | 8.07 in x 2.95 in x 1.25 in (205 mm x 75 mm x 32 mm) |
| Weight | 0.66 lb (300 g) |