China OEM Water Meter Companies –WG-N NB-IoT Wireless Smart Gas Meter – HolleyDetail:
STANDARD
> Comply with international standard EN1359,OIML R137 and MID2014/32/EU.
> Approved by ATEX 
II 2G Ex ib IIA T3 Gb (Ta = -20℃ to +60℃)
MATERIALS
> Housing made through die-casting of high-quality steel.
> Diaphragm made of synthetic rubber with long life and temperature resistant.
> Valve and valve seat made of advanced PF synthetic resin.
ADVANTAGES
> Anti-tamper proof.
> Alarm function.
> Anti-magnetic interference function.
> Automatic data reporting (passive).
> Automatic meter reading through specified frequency band.
> When network cannot communicate, point-to-point meter reading through APP.(optional)
> 60 days historical data (daily total gas usage, alarm content, battery status).
SPECIFICATION
ITEM MODEL | G1.6 | G2.5 | G4 |
| Nominal Flow Rate | 1.6m³/h | 2.5m³/h | 4m³/h |
| Max. Flow Rate | 2.5m³/h | 4m³/h | 6m³/h |
| Min. Flow Rate | 0.016m³/h | 0.025m³/h | 0.040m³/h |
| Total Pressure Lose | ≤200Pa | ||
| Operation Pressure Range | 0.5～50kPa | ||
| Cyclic Volume | 1.2dm³ | ||
| Permissible Error | Qmin≤Q<0.1Qmax | ±3% | |
0.1Qmax≤Q≤Qmax | ±1.5% | ||
| Min. Recording Reading | 0.2dm³ | ||
| Max. Recording Reading | 99999.999m³ | ||
| Operation AmbientTemperature | -10～+55℃ | ||
| Storage Temperature | -20～+60℃ | ||
| Service Life | More than10 years | ||
| LithiumBattery Life | 10 years | ||
| Connection Thread | M30 or Customized | ||
| Outside Case | Steel/aluminum | ||
| IP Protection | IP 65 | ||
Product detail pictures:
Related Product Guide:
Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants ofChina OEM Water Meter Companies –WG-N NB-IoT Wireless Smart Gas Meter – Holley, The product will supply to all over the world, such as: Grenada, Czech, Latvia, Good quality and reasonable price have brought us stable customers and high reputation. Providing 'Quality Products, Excellent Service, Competitive Prices and Prompt Delivery', we are now looking forward to even greater cooperation with overseas customers based on mutual benefits. We will work whole-heartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.
