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Multifunction Power Meter

Product catalog summary

Introduction
The APM series advanced multifunction digital panel meter is designed for monitoring and controlling power distribution systems. It features a high-definition LCD display and four direct access keys, suitable for 3P3W or 3P4W low voltage installations. It can function as a data acquisition device for intelligent power distribution or factory automation systems, with remote data access via RS485 communication.

Basic Parameters
The panel meter measures voltage, current, frequency, total power factor, active power, reactive power, apparent power, active energy, reactive energy, and individual harmonics. It offers a measurement accuracy class of 0.2, supports current measurement of .../5 or .../1 A, and operates with a universal power supply (85-265VAC/DC). The device includes a 1.6-inch dot matrix LCD display with backlight, load alarms, time stamps, and a virtual alarm function. Optional features include a 128MB data logger, expansion I/O, and ethernet connection.

Main Features
The APM series supports advanced electrical parameters to display grid status, such as maximum demand, unbalance degree, crest factor, and K factor. It captures 1KHz waveform snapshots for event tracking, with a 0.5s screen refresh rate and 128 samples per cycle.

Ordering Information
Models include APM-96Z, APM-96Y, APM-96J, APM-96Q, and APM-4MJ, each offering different functionalities such as harmonic distortion analysis, current and voltage imbalance detection, and waveform capture. Communication options include RS485 and optional Ethernet and Profibus.

Technical Characteristics
Current measurement is available for CT secondary 1 or 5 A, with a range of 0...11 KA. Voltage measurement ranges from 18...400 VAC. The device supports frequency measurement from 45...65 Hz with an accuracy of ±0.02 Hz. Energy accuracy varies by model, with active energy classes ranging from 0.5 to 0.2s and reactive energy classes from 2.0 to 1.0. The power supply operates at AC voltage DC/AC 85~265 ± 10%, with consumption under 10 VA. I/O ports include pulse output, relay output, digital input, and analog output. Communication is facilitated via RS485 with Modbus RTU protocol.

Environmental Conditions
The calibration environment is set at 27°C ± 5°C, with operational conditions from 0 to 50°C and storage conditions from -10 to 60°C, both with RH < 70%. The dielectric strength for voltage sampling and AUX terminal is 2 kV at 50Hz for 1 minute, with an optional 4kV for AUX terminal.

Catalog excerpts

I DIGTAL PANEL METER APM SERIES MULTI-FUNCTION DIGITAL PANEL METER Model •With this function oOptional function -Without this function (1) Basic parameters:Voltage,Current,Frequency,Total power factor,Active power, Reactive power,Apparent power,Active energy,Reactive energy,Individual harmonic. i Introduction APM series advanced multifunction digital panel meter. It is the perfect choice for monitoring and controlling power distribution systems, with 4 direct access keys and high-definition LCD display to showing all parameters of 3P3W or 3P4W low voltage installation. The panel meter can be used as a data acquisition device for an intelligent power distribution system or a factory automation system, and can remote obtain all monitoring data through digital RS485. • PMD measurement accuracy class 0.2. • Universal series power supply (85-265VAC/DC). • LCD liquid crystal display, with backlight. • Provides load alarms and time stamps. • SOE record, virtual alarm function. • ITF technology: input and output current insulation protection. • Optional 128MB data logger memory. • Optional expansion I/O, ethernet connection port. • With RS-485 Modbus RTU communication. • 128 samples per cycle, 0.5s screen refresh rate. • Universal series power supply (85-265VAC/DC), 20-60VDC optional. • Various advanced electrical parameters can display grid status on site (maximum demand/unbalance degree/crest factor/K factor...). • 1 KHz waveform snapshot, captures voltage, current power flickers/drops with a length of 1 second for event tracking. '-Phase number '-Panel size Technology of Electrical Automatic

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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