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Home > Products > DC current/voltage/power/energy meter > RS485 Port with Modbus-RTU 0.5 Accuracy energy dc voltage meter 1-circuit LCD Display

RS485 Port with Modbus-RTU 0.5 Accuracy energy dc voltage meter 1-circuit LCD Display

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Product Description

DC Digital Voltmeter AMC72L-DV

Products Description

AMC series programmable intelligent meters,adopting AC sampling technology,can directly or indirectly measure electric voltage and current of single phase or three phase grid. It can be used for local display,and connecting industrial control device to form measuring control system. This series of meters have RS-485 port,adopt Modbus-RTU protocol. Analog output,alarm output,switching input/output can be selected. Based on different request,by pressing the keys,parameters of ratio,alarm,communication etc. can be modified.

● Measurement: 1-circuit DC Voltage ● Accuracy: 0.5% ● Rated Current: 0~10V DC (via Transducer); 300V or 1000V DC (direct connect) ● Power Supply: 85~265V AC/DC ● Alarm Output: Low&High Current Alarm ● Analog Output: 4~20mA DC ● Standard&Certificate: CE Certificates

● DI/DO Function: 2-channel DI&2-channel DO optional ● Communication: RS485 (MODBUS-RTU) optional

Technical Parameter

1. Function Overview

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

2. Main Parameters

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 Supply		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;

3. Environment

Condition	Description&Value
Temperature	Operation: -25℃～+65℃; Storage: -40°C ~+80°C
Humidity	≤95%RH,no condensation,without corrosive gas
Altitude	≤ 2500m

Wiring Illustration

DC Voltage Signal (0~10V DC) Input via -/10V DC Transducer

DC Voltage Signal (300V DC) Input via direct Connection

DC Voltage Signal (1000V DC) Input via direct Connection

Dimension & Installation

Certification

Company Profile

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Acrel Electric Co., Ltd: Contact nameShelly Zhang
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RS485 Port with Modbus-RTU 0.5 Accuracy energy dc voltage meter 1-circuit LCD Display

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