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SFM118 Series Single Phase Multifunction Meter by China Suppliers - Reliable Factory Solutions for Power Monitoring
⚙ Product Description
At its core, the SFM118 series meter excels in accurately measuring key electrical characteristics, including:
⚡
RMS Voltage & RMS Current
🔋
Active Power, Reactive Power & Apparent Power
📡
Grid Frequency
📊
Import & Export Active / Reactive Energy
🔌 Flexible Data Communication & System Integration
- Seamlessly transmits monitoring data to host computers, PLCs, and other industrial control equipment.
- Enables centralized, integrated measurement and control systems.
- Supports remote data acquisition, real-time load analysis, and energy consumption statistics.
- Facilitates automated power management and data-driven decision-making for power system administrators.
📊 Technical Parameters
| Parameters | Index | |
|---|---|---|
| Input | Voltage | Voltage (Un): 230VAC Voltage range: 176–276VAC |
| Current | Directly connected: 0.25–5(45)A Overcurrent withstand: 30Imax for 0.01s |
|
| Frequency | 50Hz | |
| Wiring | Connecting capacity: from 0.5 to 10 mm² | |
| Display | LCD with white back-light Max reading: 99999.9 kWh |
|
| Accuracy | Active energy: Class 1Class B | |
| Output | Communication | Interface: RS485 Protocol: Modbus RTU |
| Pulse | Pulse constant: 1000 imp/kWh | |
| Power Consumption | < 2W / 25VA | |
| Withstand | AC Voltage | 4kV / 1 min |
| DC Impulse | 6kV – 1.2µs waveform | |
| Climate Environment | Temperature | Operating: -25°C ~ +55°C Storage: -40°C ~ +70°C |
| Humidity | ≤ 95% non-condensing, no corrosive gas | |
| Altitude | ≤ 2000m | |
| Mechanical Environment | M1 | |
| Electromagnetic Environment | E2 | |
? Frequently Asked Questions
Q
What electrical parameters can the SFM118 series meter measure?
The SFM118 series meter can measure RMS voltage, RMS current, active power, reactive power, apparent power, grid frequency, and both import (consumed) and export (fed-back) active and reactive energy — providing comprehensive visibility into your power system.
Q
What communication interface and protocol does the SFM118 support?
The SFM118 series meter is equipped with an RS485 communication interface and supports the Modbus RTU protocol, enabling seamless integration with host computers, PLCs, and other industrial control equipment.
Q
What is the accuracy class of the SFM118 meter?
The SFM118 series meter achieves Class 1 and Class B accuracy for active energy measurement, meeting the requirements of most commercial and industrial energy monitoring applications.
Q
What is the operating temperature range of the SFM118 meter?
The SFM118 series meter operates reliably within a temperature range of -25°C to +55°C, and can be stored at temperatures between -40°C and +70°C, making it suitable for a wide range of industrial environments.
Q
Can the SFM118 meter be used for remote energy monitoring and management?
Yes. The SFM118 series is designed to support remote data acquisition, real-time load analysis, energy consumption statistics, and automated power management. Its RS485/Modbus RTU output makes it ideal for building centralized measurement and control systems.
Q
What is the rated voltage and current input for the SFM118 meter?
The SFM118 meter has a rated voltage (Un) of 230VAC with an acceptable range of 176–276VAC. For current, it supports direct connection from 0.25A to 5(45)A, with an overcurrent withstand capability of 30Imax for 0.01 seconds.