Yueqing Yomin Electric Co., Ltd
Yueqing Yomin Electric Co., Ltd
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DIN-RAIL Single Phase 2P Digital Kwh Meter Smart Electric Meters With RS485
Thank you for purchasing our single-phase two-wire din-rail energy meter with following features: Large screen LCD display;RS485 (communication protocol MODBUS-RTU) remote meter reading function, which can accurately measure active energy; Designed according to the national standard GB/T17215.321-2008 "Class 1 and 2 static AC active energy meter" and international IEC62053-21; Using advanced ultra-low power and large-scale integrated circuit technology and SMT manufacturing process; The key components are long-life devices from internationally renowned brands, which improve the reliability and longevity of the products.
Environmental Indicators:
| Working Humidity | ≤ 75% |
| Storage Humidity | ≤ 95% |
| Operating Temperature | -10°C - +50°C |
| Storage Temperature | -30°C - +70°C |
| International standard | IEC 62053-21 |
| Domestic Standard | GB/T17215.321-2008 |
| Accuracy Class | 1 |
| Dustproof and Waterproof | IP 51 |
| Protective Insulation Encapsulation Type | Ⅱ |
Technical Parameters and Display Type:
| Model | LCD Display |
| Reference Voltage (Un) | 220V 230V 240V |
| Operating Voltage | 181/279V AC (3~) |
| Rated Current (Ib) | 2.5 5A 10A 15A 20A 30A |
| Maximum Current (Imax) | 10A 20A 40A 60A 80A 100A |
| Starting Current | ≤0.004b(Direct Access) |
| Withstand Overload Current | 30Imax 0.01s |
| Working Frequency | 50Hz±10% |
| Internal Power Consumption | ≤2W / 10VA |
| Pulse Constant | 1000imp |
| RS485 Port | 23(A) and 24(B) |
| Data Storage Time | >20 Years |
LCD Display:
1st Screen displays ID address Add 001
2nd Screen displays baud rate bd 9600
3rd Screen displays constant CoSE 1000imp
The fourth screen keeps displaying:
4th Screen displays the total amount of electricity 000000.00 kWh
Intrinsic Error:
Single phase balanced load
0.05Ib Cosφ = 1 ±1.5%
0.1Ib Cosφ = 0.5L ±1.5%
Cosφ = 0.8C ±1.5%
0.1Ib - Imax Cosφ = 1 ±1.0%
0.2Ib - Imax Cosφ = 0.5L ±1.0%
Cosφ = 0.8C ±1.0%
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single phase 1P No Mudbus | single phase 2P Mudbus | single phase 4P Mudbus | three phase Mudbus |