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STS Keypad Prepaid Gas Meter
The RDK STS Keypad Prepaid Gas meter is an unique residential gas meter designed to accurately measure volumes of natural gas, town gas liquefied petroleum gas etc. With this type you are assured of continuously good metrology and revenue protection at the same time.
Main Features:
1. G1.6, G2.5 and G4
2. Light and easy to handle
3. Recharge by inputting 20 digits TOKEN in keypad.
4. Prepaid and post-paid mode swappable
5. Low power usage and low failure rate
6. Over 10 years’ data storage in absence of power
7. Prepared for AMR functions with RF, MODBUS, and RS485 (on request)
8. Available with EMC, ESD, EMI approval
9. Low credit warning
10. Advanced tamper detection
Key Benefits:
1. PLC/RF/GPRS communication(On request)
2. Time of Use(TOU), muti-tariff, holiday setting.
3. Easy connection to User Interface Unit(UIU) for split type applications
4. 15 year designed life
5. Balance alarm can be set by user according to his own need.
Power Supply:
1. 3.6V Lithium Battery of 6 years’ lifespan
2. AVERAGE STATIC ELECTRIC CURRENT CONSUMPTION
3. Less than 20μA
Protection:
1. Theft Protection
2. Cover open detection and magnetic interference
3. Low battery detecting and alarm
4. Anti Gas Hoarding
5. Valve Leakage Disposal
Disconnection Device:
Display:
Measure Accuracy:
Surrounding Temperature:
Material of Meter Body:
Standard Compliant: OIML R31:1995; IEC62055-41
Flow Data
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Type |
G1.6 |
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G2.5 |
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G4 |
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Nominal Flow Rate m³/h |
1.6 |
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2.5 |
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4 |
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Maximum Flow Rate m³/h |
2.5 |
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4 |
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6 |
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Minimum Flow Rate m³/h |
0.016 |
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0.025 |
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0.040 |
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Working Preesure Pa |
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0.5 |
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Basic Error % |
Qmin<Q<0.1Qmax: ±3; |
0.1Qmin<Q<0.1Qmax: ±1.5; |
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Leak-Provenance kPa |
No leakage below 15kPa |
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Pressure Loss kPa |
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<250 |
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Maximum Reading m³ |
99999.9 |
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Minimum Reading m³ |
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0.2 |
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Work Temperature |
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-10℃-40℃ |
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