Acrel High Accuracy AC Panel Meter Briefly Introduction
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Acrel High Accuracy AC Panel Meter Briefly Introduction
1. APM8xx AC Panel Power Analyzer
  • High-precision measurement: Active energy class 0.5S (Class C) / class 0.2S (Class D)
  • Ultra-large storage: 8G SD card for electrical parameter data logging
  • Multiple communication interfaces: RS485, Ethernet, Profibus, Profinet
  • Flexible combination design: Main unit + pluggable modules (communication, function, storage modules)
  • Current specifications: 1A, 5A, 100mV (Rogowski coil) Voltage specifications: 100V, 400V, 690V
  • Cut-out Dimensions: 92 × 92 mm

The APM series network power meters are designed in accordance with IEC standards, offering more comprehensive functions than the ACR harmonic meters. They adopt a modular design for easy function expansion in customers’ secondary purchases. The transformation ratio can be configured for both **primary and secondary values**. Main unit auxiliary functions: 2DI 2DO 2EP 1C Auxiliary power supply: AC/DC 85~265V or 115~415V (P2)

- MD82: 8DI + 2DO

- MLOG: 8G Micro SD card storage; 1G storage space can store data for 1 year

- MA84: 8AI + 4AO, supports 8-channel reverse display

- MTN: Supports 4-channel NTC temperature measurement

- MTP: Supports 2-channel PT100 temperature measurement

- MTH: Supports 1-channel temperature & humidity measurement

- MCP: Profibus-DP (GSD file required)

- MCM: Modbus-RTU

- MCE: Ethernet Modbus-TCP

- MPNET: Profinet (GSD file required)


2. APM520 AC Panel Net Work Power Analyzer

  • High-precision measurement: Active energy class 0.5S (Class C) / 0.2S (Class D)
  • Comprehensive power quality functions: Fault recording, flicker, interharmonics
  • Multiple communication methods: RS485, Ethernet, 4G, Wi-Fi, LoRa
  • Flexible optional auxiliary functions: Digital I/O, analog I/O, temperature measurement, leakage current detection
  • Optional leakage current and temperature measurement
  • 1140V Voltage Direct Connect


3. APM521 UL AC Panel/Din Rail Power Analyzer

  • certification: CSA (UL) certified
  • High-precision measurement: Active energy class 0.2S (Class D)
  • Equipped with Ethernet communication
  • Supports two installation types: panel-mounted / DIN-rail mounted
  • Phase sequence self-diagnosis: Detects phase sequence error, CT reverse connection and other abnormal conditions
  • Energy value displays up to 4 decimal places
  • Altitude: ≥2000 m, ≤5000 m (Only for power supply AC/DC 85–265 V, voltage below 277/480 V)

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