Atmos® - NFC/GPRS / NB-IoT Smart Diaphragm Gas Meter
The GPRS/NB IoT gas meter is a smart gas metering device based on our mechanical diaphragm gas meters. It is equipped with a built-in shut off valve basement and a smart controller with a GPRS/NB-loT communication module.
By connecting to the GPRS/NB-IoT wireless network, the following functions are available:
- Metering data transmitted to a cloud platform for analysis
- Block pricing
- Various Alarms: low balance and low battery alarm, temper alarm, leakage alarm, overflow alarm.
- Remote monitor, remote control
- Remote valve control
- Automatic shut-off valve
- Combined with new media channels to achieve remote charging and real time interaction
Features
- GPRS/ NB-IoT communication technology
- Optical sampling
- Fast shut-off valve
- Lithium battery with more than 10 years for the service life.
Size
- G1.6S-GI:0.016 m3/h to 2.5 m3/h
- G2.5S-GI:0.025 m3/h to 4m3/h G4S-GI : 0.04 m3/h to 6m3/h WG2.5S-GI: 0.016m3/h to 6m3/h
Gas media
- Natural gas
- Town gas
- Biogas
- Liquid gas
- Methane gas
Housing Material
- Galvanized steel sheet
Technical data
| Type | G1.6S-GI | G2.5S-GI | G4S-GI | WG2.5S-GI | ||||||
| Nominal flowrate | Qn | m³/h | 1.6 | 2.5 | 4 | 2.5 | ||||
| Maximum flowrate | Qmax | m³/h | 2.5 | 4 | 6 | 6 | ||||
| Minimum flowrate | Qmin | m³/h | 0.016 | 0.025 | 0.04 | 0.016 | ||||
| Maximum operating pressure | bar | 0.5 | 0.5 | 0.5 | 0.5 | |||||
| Maximum permissible errors | 0.1 Qmax ≤Q≤ Qmax Qmin ≤Q < 0,1Qmax | ± 1.5% ± 3% | ± 1.5% ± 3% | ± 1.5% ± 3% | ± 1.5% ± 3% | |||||
| Max. pressure loss | mbar | ≤ 2 | ≤ 2 | ≤ 2 | ≤ 2 | |||||
| Display range max. | m³/h | 99999.9998 | 99999.9998 | 99999.9998 | 99999.9998 | |||||
| Display range min. | m³/h | 0.0002 | 0.0002 | 0.0002 | 0.0002 | |||||
| Cyclic volume | dm³ | 1.2 | 1.2 | 1.2 | 1.2 | |||||
| Accuracy class | class | 1.5 | 1.5 | 1.5 | 1.5 | |||||
| Weight | kg | 2.2 | 2.2 | 2.2 | 2.2 | |||||
| Data acquisition | Double pulse (0.1m3) or photoelectric direct | |||||||||
| Communication mode | GPRS / NB-IoT | |||||||||
| Communication cycle | hours, days, months. | |||||||||
| Battery life | Lithium battery ≥ 10 years (upload once a day) | |||||||||
| Meter reading success rate per time | ≥ 99% | |||||||||
| | | | ||||||||
Dimensions
| A | 90±0.50； 110±0.50 ； 130±0.50 | |
| B | M26*1.5-6g; M30*2-6g; G1¼; G1B | G1¼B |
| C | 196 | 188 |
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