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Name of produc：DP 72-4 AC Voltmeter
Category Digital Meter > DP-XX-4
Model DP-72-4 AC Voltmeter
Optional Function:RS485 communication Modbus-RTU protocol, Switching input,Switching output ,Analog output
Technical Data
Accuracy:Adopting high-precision professional electric energy metering chip
Voltage/current: 0.2 or 0.5
Frequency: 0.02HZ or 0.2 HZ
Active power/reactive power/power factor: 0.5
Electric energy:0.5
Reactive Electric energy: 1.0
Working Frequency: Used in power frequency circuit, the frequency is 45-65 HZ
Signal Overload:
1.2 times rated voltage/current continuous overload
Rated current 10 times duration: 5S
Rated voltage 2 times duration: 1S
Operating Environment:
Operating temperature:-10℃~+55℃.
Storage temperature:-25℃~+70℃.
Relative humidity≤93%，Non corrosive gas.
Safety Performance:
Insulation resistance:＞100MΩ.
AC withstand voltage:＞AC 2000V.
EMC:
ESD: Level 4
Surge: Level 4
EFT: Level 4
Communication Module:
Support RS-485 communication, Modbus-RTU protocol
Baud rate:1200-9600bps, default 2400bps
Input and Output Function Module:
Switch input: supports 2 trunk node input
Switch output: support 2 relay output, capacity: AC 250/5A, DC30V/5A
Variable output (analog output): supports 1 channels 0(4)-20mA or 0-5V
Power pulse output: support 2 channels of electrical energy pulse output, constant: 8000imp/kWh(kVar)
Harmonic Measurement:
Three phase voltage: 2-31 harmonic component and total harmonic distortion rate (THD)
Three phase current: 2-31 harmonic component and total harmonic distortion rate (THD)
Signal Wiring Diagram:
