
- Acrel Electric Co., Ltd
-
China Manufacturer with main products:Hall Sensor ,Split Core Current Transformer ,AC Energy Meter ,DC Energy Meter ,IoT Wireless Power Meter ,PV/Solar Inverter Energy Meter ,Data Center Power Meter ,Wireless Temperature Monitoring System and Sensors ,Medical IT Products ,City Utility Tunnel Moter Protector ,Electrical Insulation Safety Products ,Energy Quality Improvement
Home > Products > DC current/voltage/power/energy meter > 0.5 Accuracy low voltage dc voltmeter panel mount electric voltage monitor RS485 Port with Modbus-RTU
0.5 Accuracy low voltage dc voltmeter panel mount electric voltage monitor RS485 Port with Modbus-RTU
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- 1000 per Month
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Product Description





Function | Description&Value |
Measurement | Three-phase AC kWh, kVarh, Active Power, Reactive Power, Forward&Reverse Power, Current, Voltage, Zero Sequence Voltage, Zero sequence Current, Voltage-phase Angle, Voltage&Current Unbalance, Power Factor,Harmonic, Frequency |
Display | LCD display |
Communication (Optional) | RS485,Modbus-RTU protocol;(1 start bit,8 data bit,1 stop bit,no parity) Baud Rate 1200~38400 bps etc. |
Alarm Output (Optional) | 1 channel passive relay,contact capacity 3A/30VDC,3A/250VAC, Used for high,low,unbalance alarm etc. |
Analog Output (Optional) | 1~5V DC or 4~20mA DC |
DI/DO Switching (Optional) | DI (Digital input): 2-channel or 4-channel dry contact digital input with built in power supply DO (Digital output): 2-channel digital output with NO relay contact. Capacity: 3A/30V DC,3A/250V AC |
Parameter | Description&Value | ||
Input | Rated Voltage | AC Voltage Input: 400V AC L-L (via direct connetion); 100V AC L-L (via -/100V AC PTs) | |
Rated Current | AC Current Input: 5A AC or 1A AC (via -/5A AC or -/1A AC CTs) | ||
Overload | Current&Voltage input overload:1.2 times rated value(continuous); 10 times rated value /1 second | ||
Frequency | 45~65Hz | ||
Power Consumption | Power consumption of each current&voltage input circuit is less than 0.5VA | ||
Measuring Accuracy | Voltage | 0.2% | |
Current | 0.2% | ||
Active Power | 0.5% | ||
Reactive Power | 1.0% | ||
kWh | 0.5% | ||
kVarh | 1.0% | ||
Frequency | ±0.05Hz | ||
Harmonic | ±1% | ||
Power Supply | Voltage Range | 85-265V AC/DC; 24V or 48V DC (±20%) | |
Power Consumption | ≤10VA | ||
Insulation resistance | ≥ 100MΩ | ||
Power frequency withstand voltage | Between Power supply//Switching Output// Current Input//voltage Input and Transmitting// Communication //Pulse Output//switching input AC 2 kV 1min; Between Power supply、switching output、Current Input、voltage Input AC 2 kV 1min; Between Transmitting、Communication、Pulse Output、switching input AC 1kV 1 min; |
Condition | Description&Value |
Temperature | Operation: -25℃~+65℃; Storage: -40°C ~+80°C |
Humidity | ≤95%RH,no condensation,without corrosive gas |
Altitude | ≤ 2500m |

















Credit member

Acrel Electric Co., Ltd Ltd. [Stock Code : 300286. SZ] is a high-tech enterprise concentrating on research, production, sales and services. It mainly provides systemic solutions of energy efficiency management and electrical safety for users. ‘Acrel’ is equipped with the complete production lines from cloud platform software to sensors. Until now, it has more than 8000 sets systemic solutions used in China to help users to realize energy visual management ,supply energy data services and improve electrical efficiency and safety. ‘Acrel’ has maintained steady growth since its listing in 2012. The company will adhere to the concept of ‘innovation,high-efficiency,unity and honesty’ and it provides more high-quality solutions,products and service for power system users and micro-grid.
Acrel Energy Efficiency Management Systems include various cloud platforms for substation operation and maintenance, electrical safety, environmental equipment monitoring and prepaid management, and many systems and related products such as intelligent transformer and distribution monitoring system, power quality management system, building energy consumption management systems, industrial energy management and control platform, leakage fire monitoring system, fire power monitoring system, fire resistant door monitoring system, emergency lighting and evacuation instructions system, charge management system for charging piles, dynamic monitoring system for data center , intelligent lighting control system,IT distribution insulation monitoring system and so on.
In order to quickly respond to customers’ demands, the company set up branches and offices in major cities in China and provides users with high-quality product experience.
Through years of accumulation and development, the company has won wide praise in product quality and service from customers at home and abroad.
Contact Us
- Acrel Electric Co., Ltd
- ContactShelly Zhang
- Phone86-21-18702111813
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