PD1081 Electric Power Distribution Monitor

PD1081 Electric Power Distribution Monitor
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General introduction:
PD1081 electric power distribution monitor integrates measurement, LCD display and communication, which can measure the grid current, voltage and frequency. one channel RS-485 communication interface can be configured, and MODBUS-RTU and DL/T645 dual communication protocol is supported. The monitor is applicable to all kinds of energy management system, substation automation, distribution network automation, residential power monitoring, industrial automation, intelligent switchboard and switch cabinet, as well as power plant, hydropower station and other automation system for electricity management. In addition, it follows the following standards: GB/T22264.2-2008, DL/T645, "multi-function energy meter communication protocol" and Modbus-RTU protocol.

Technical specifications
Items Technical index
Wiring forms Single phase
measurement Voltage Reference voltage Un:AC220V, AC100V, AC57.7V
Measurement range:10V~420V
Power consumption: < 0.05VA(single phase)
Accuracy: RMS 0.2 %
Resolution: 0.01V
Current Rated current In:1A, 1.5A, 5A
Measurement range: 12mA ~ 6A
Power consumption: < 0.05VA(Rated current of single line)
Accuracy: RMS 0.2 %
Resolution: 0.001A
Grid frequency Measurement range: 45 Hz~65 Hz
Accuracy: 0.2%
Resolution: 0.01 Hz
communication RS-485 communication interface
(optional)
Interface types: two-line half duplex
Communication rate: 600bps~9600bps
Protocol: Modbus-RTU and DL/T 645
environment Working temperature -25℃~+60℃
Limit working temperature -35℃~+70℃
Relative humidity ≤ 95%(RH)
others Power supply AC or DC power supply
maximum input range: 40V~420V
Power consumption: ≤1W, 2VA
Dimension Outline size(mm): 48×48×113
opening size(mm): 45×45
Weight About 200g

Main functions
PD1081 series products include a total of three models. each model and its corresponding function can be seen from the following table.

model
function
1A 1H 1V
Voltage measurement

Current measurement

Frequency measurement

RS-485 communication

Note: "√" indicates that the function is possessed, and "△" indicates the function is optional.

Main features
1. Our monitor adopts high-precision sampling and measuring unit and high-speed MCU data processing unit, which can realize high precision, wide range and accurate measurement as well as fast data analysis.
2. Wide viewing angle LCD display is used for showing richer contents.
3. LCD display is equipped with white backlight to meet the requirement of looking up data in dark environment.
4. nonvolatile memory is adopted to store all kinds of data, which can save data for a long time without losing data due to power failure.
5. Support RS-485 communication port and industrial standard communication protocol, convenient and flexible for network construction.

WILLFAR as a reliable electric power distribution monitor manufacturer, mainly manufacture meter data management instrument, for smart data logging, power quality monitoring, data management and data transmission applications. To serve daily life much better, WILLFAR company also provides custom energy efficiency management solutions as well as smart metering system in customer needs.

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