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Smart diaphragm gas meter
The Smart diaphragm gas meter of Internet of things realizes ultra-long distance, ultra-low power consumption and real-time online wireless remote reading and control by adding NB IOT or GPRS communication module. With the help of the mobile network platform of various operators, the product realizes wireless network communication without dead corner and full coverage, and does not need to undertake network maintenance, which greatly facilitates the operation, maintenance and management of gas companies.
Technical parameters
| Basic technical parameters | |||||
| Parameter name | Company | Model and specification | |||
| RX04-WL-G1.6 | RX04-WL-G2.5 | RX04-WL-G4 | RX06-WL-G6 | ||
| Nominal flow | m³/h | 1.6 | 2.5 | 4 | 6 |
| 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 accumulation | m³ | 999999.99 | |||
| 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 | |||
Mechanical reading window | / | Yes | |||
| Liquid crystal display panel | / | Yes | |||
| Service temperature | ℃ | -10~+40 | |||
| Medium condition | / | All kinds of gas, air and non corrosive gas | |||
| 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 | ||||
| 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 | / | IP67 | |||
| Communication mode | / | GPRS/NB-IoT（TCP/CoAP） | |||
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 |
Product size
