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| Basic technical parameters | |||||
| Parameter name | Company | Model and specification | |||
| RX04-WL-G1.6 | RX04-WL-G2.5 | RX04-WL-G4 | RX06-WL-G6 | ||
| Maximum flow | m3/h | 2.5 | 4 | 6 | 10 |
| Minimum flow | m3/h | 0.016 | 0.025 | 0.04 | 0.06 |
| Metering grade | Grade | 1.5 | |||
| Maximum working pressure | kPa | 50 | |||
| Total pressure loss | Pa | ≤250 | |||
| Tightness | kPa | Input air 1.5 times the maximum working pressure for three minutes without leakage | |||
| Explosion proof standard | / | EXib IIBT3 Gb | |||
| Service temperature | ℃ | -10~+40 | |||
| Power supply mode | / | Optional lithium battery or alkaline battery | |||
| Battery life | / | The service life of lithium battery is more than 10 years, and that of alkaline battery is more than 1 year | |||
| Working voltage | V | Lithium battery powered: DC 2.7V ~ 3.8V (optional) | |||
| Alkaline battery power supply: DC 4.6V ~ 6.5V (optional) | |||||
| Maximum operating current | mA | ≤2000（GPRS） | |||
| ≤500（NB-IoT） | |||||
| Quiescent current | μA | ≤20 | |||
| Sampling mode | Pulse | Reed or hall sampling counting | |||
| Direct reading | Photoelectric direct reading | ||||
| Valve reliability | / | The number of continuous switches shall not be less than 10000 | |||
| Long term operation performance | / | It shall meet the requirements of national standard GB / t6968-2019 membrane gas meter after running for 5000h under the maximum flow | |||
Degree of protection | / | IP65 | |||
Dimension drawing：
| Model / Size | M | S | L | B | H | D | Quality（kg） |
RX04-WL-G1.6 RX04-WL-G2.5 RX04-WL-G4 | M30×2 | 130 | 206 | 174 | 226 | 69 | 2.2 |
| RX06-WL-G6 | G1 1/4″/φ45.8（11牙/吋） | 160 | 249 | 190 | 267 | 77.5 | 3.1 |
