China OEM Diaphragm Gas Meter Factory –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 | ||
| Lithium Battery Life | 10 years | ||
| Connection Thread | M30 or Customized | ||
| Outside Case | Steel/aluminum | ||
| IP Protection | IP 65 | ||
Product detail pictures:
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We follow our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We aim to create much more worth for our buyers with our abundant resources, highly developed machinery, experienced workers and great providers forChina OEM Diaphragm Gas Meter Factory –WG-N NB-IoT Wireless Smart Gas Meter – Holley, The product will supply to all over the world, such as: India, Croatia, Latvia, We hope we can establish long-term cooperation with all of the customers, and hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you need!Welcome all customers both at home and abroad to visit our factory. We hope to have win-win business relationships with you, and create a better tomorrow.
