Description
Features
- LCD dot matrix display, the gas type, unit, concentration, local time, can be showed on the screen
- Support Chinese and English operation, easy to shift
- The gas concentration unit PPM and mg/m3 can be shifted quickly
- Explosion-proof certification, explosion-proof grade: ExiaⅡCT4
- Monitor the HF gas concentration in environment and enclosed space and alarm
- With Self-calibration and zero calibration functions, high precision HF gas detector
- One press to restore factory setting, free from the bother of miss-operation
- With temperature and pressure compensation, to realize gas concentration compensation under conditions of different temperatures or pressures
- Two stages alarm with sound and light, alarm point is settable
- Rechargeable lithium polymer battery of large capacity
Technical Specifications
| Gas Detected | HF, Hydrogen fluoride |
| Detection principle | Electro chemistry use imported high precision HF gas sensor |
| Sampling Method | Pumping suction, flow rate can up to 1 L per min and 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 |
| Signal Output | High speed data transmission by USB, available for data downloading and printing (optional function) |
| Response Time | ≤ 10 s |
| Repeatability | ≤ ± 1 % |
| Zero shift | ≤ ± 1 % (FS per year) |
| Operating language | English |
| Explosion-Proof | ExiaⅡCT4 |
| Alarm mode | Sound, light and vibration |
| Recovery Time | ≤ 10 s |
| Linearity error | ≤ ± 1 % |
| Display | LCD dot matrix display |
| Gas unit | ppm, mg per m3 |
| Humidity | 0 % RH to 95 % RH |
| Degree of protection | IP 66 |
| Operating time | 12 h |
| Temperature | -4 °F to 122 °F (-20 ℃ to 50 ℃) |
| Dimensions | 8.07 in x 2.95 in x 1.26 in (20.5 cm x 7.5 cm x 3.2 cm) |
| Weight | 10.58 oz (300 g) |