STS Smart Prepaid Gas Meter （aluminium body）
STS Keypad Prepaid Gas Meter
This type is a perfect integration of STS prepayment standard and classic high precision diaphragm gas meter, designed for various gas media. The meter is built with galvanized steel and die-casting aluminum and maximum corrosion resistance.
The gas meter is manufactured by stringent international standards and the central measurement unit has been supplied and proven by over 50 million service connections in the past 10 years as an ideal revenue protection and customer management controller.
Main Features
- Meter body approved in accordance with MID by CMI
- 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
|
Size |
G1.6 |
G2.5 |
G4 |
|
Nominal Flow Rate |
1.6 m3/h |
2.5 m3/h |
4 m3/h |
|
Maximum Flow Rate |
2.5 m3/h |
4 m3/h |
6 m3/h |
|
Minimum Flow Rate |
0.016 m3/h |
0.025 m3/h |
0.04 m3/h |
|
Cyclic Volume |
0.7dm3 |
1.2 dm3 |
2 dm3 |
|
Maximum working pressure |
0.7 Bar |
0.7 Bar |
0.7 Bar |
|
Pressure loss |
<200 Pa |
<200 Pa |
<200 Pa |
|
Maximum reading |
99999 |
99999 |
99999 |
|
Working temperature |
-20-50℃ |
-20-50℃ |
-20-50℃ |
|
Storage Temperature |
-30-60℃ |
-30-60℃ |
-30-60℃ |
|
Error: Qmin≦Q≦0.1Qmax 0.1Qmax≦Q≦Qmax |
±3 |
±3 |
±3 |
|
±1.5 |
±1.5 |
±1.5 |
