Split Keypad Gas Meter is composed of a Aluminum case or Steel case prepaid keypad gas meter and a separate customer interface unit(CIU) with RF or NB-IoT wireless communication module.
Main Features
- Recharge by inputting 20-digit token code via keypad
- Low power usage and low failure rate
- Over 10 years’ data storage in absence of power
- Up to 10 years’ battery life
- Reading through LORAWAN, NB-IOT and the system of GPRS/3G(on request)
- Low credit warning and low battery alarm
Optional valve leakage warning
Metrological Parameters
| Type | G1.6 | G2.5 | G4 |
| Nominal Flow Rate m³/h | 1.6 | 2.5 | 4 |
| Maximum Flow Rate m³/h | 2.5 | 4 | 6 |
| Minimum Flow Rate m³/h | 0.016 | 0.025 | 0.040 |
| Cyclic volume dm³ | 0.7 | 1.2 | 2 |
| Working Pressure KPa | 0.5-50KPa | ||
| Maximum permissible error % | Qmin<Q<0.1Qmax: ±3; 0.1Qmin<Q<0.1Qmax: ±1.5 | ||
| Standard compliance | OIML R137 (2012) / EN1359:1998/A1:2006 | ||
| Pressure Loss kPa | <200 | ||
| Maximum Reading m³ | 99999.9 | ||
| Weight | 2.4kg | ||
Functions
- The integrated keypad of gas meter is offered to enter recharge TOKEN and check information by short codes.
- The CIU is installed inside customer’s house, when the meter is kept away from customer’s reach in locked boxes or houses.
- The meter is available with AMI system through LORA-RF or NB-IoT module on request.
- Meters can be set Step Tariff by inputting corresponding TOKEN. Utilities can set step price on request.
- Meter will automatically close the valve after detection of magnetic field and open cover event.
- Non- Revenue gas (Overdraft) can be collected day by day or month by month.
- Consumer could check the data like Credit Remain, Total Purchased and Total Credit by input the short code.