Editorial Technical Reference

Power Monitoring Device

This page explains how Power Monitoring Device is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An electronic device that measures, analyzes, and records electrical parameters in power systems.

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Product Specifications

Technical details and manufacturing context for Power Monitoring Device

Definition
A power monitoring device is an electronic instrument designed to continuously measure, analyze, and record various electrical parameters in AC or DC power systems. It provides real-time data on voltage, current, power, energy consumption, power factor, harmonics, and other electrical characteristics to enable energy management, equipment protection, and system optimization. The device is typically panel-mounted and features a color graphic display, with optional touch functionality. It supports a voltage range of 57.7–480 V (line-to-line or line-to-neutral) and a current range of 0–6 A, with an accuracy class of 0.5 per IEC 62053-22. The sampling rate is 128 Hz, and communication is supported via Modbus RTU/TCP, with reference to IEC 61850. The operating temperature range is -25 to 70 °C, and humidity range is 5–95% RH (non-condensing). The device has an ingress protection rating of IP54–IP65, suitable for panel mounting. Power supply is universal input 100–240 V AC/DC, 50/60 Hz. Dimensions are 96×96×100 mm (W×H×D) with a panel cutout of 92×92 mm, per DIN 43700. Weight ranges from 0.5 to 1.2 kg depending on options. The device is constructed with a printed circuit board, plastic housing, copper conductors, and silicon semiconductors. It is intended for indoor installation. All listed values are reference ranges and must be verified with the legal manufacturer or supplier for specific models and applications.
Working Principle
The device operates by using current transformers (CTs) and potential transformers (PTs) to safely sample high-voltage/high-current signals. These analog signals are converted to digital data through analog-to-digital converters (ADCs). A microprocessor then processes this data using mathematical algorithms to calculate electrical parameters. Results are displayed locally, transmitted via communication protocols, or stored in internal memory for analysis.
Common Materials
Printed Circuit Board (PCB), Plastic Housing, Copper Conductors, Silicon Semiconductors
Technical Parameters
ParameterTypical rangeNotes & selection driver
Voltage RangeRequired57.7–480 VMeasurement range for line-to-line or line-to-neutral voltageIEC 61000-4-30
Current RangeRequired0–6 AMeasurement range for phase current
Accuracy ClassRequired0.5 classMeasurement accuracy classification per IEC standardsIEC 62053-22
Sampling RateRequired128 HzFrequency at which electrical signals are sampled
Communication ProtocolModbus RTU/TCP protocolSupported data communication standardsIEC 61850
Operating Temperature-25–70 °CFor indoor installationIEC 60068-2-1
Humidity Range5–95 % RHNon-condensingIEC 60068-2-78
Ingress ProtectionIP54–IP65For panel mountingIEC 60529
Power Supply100–240 V AC/DCUniversal input, 50/60 Hz
DisplayTFT 3.5 inchColor graphic, touch optional
Weight0.5–1.2 kgDepending on options
Dimensions (W×H×D)96×96×100 mmPanel cutout 92×92 mmDIN 43700

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Current Transformer
    Steps down high current to measurable levels for safe monitoring
    Material: Ferromagnetic core with copper windings
  • Voltage Input Module
    Conditions and scales voltage signals for measurement
    Material: Precision resistors and isolation components
  • Analog-to-Digital Converter
    Converts analog electrical signals to digital data for processing
    Material: Silicon semiconductor integrated circuit
  • Microprocessor Unit
    Processes digital data to calculate electrical parameters and perform analysis
    Material: Silicon semiconductor with embedded memory
  • Display Interface
    Provides visual output of measured parameters and system status
    Material: LCD panel with driver electronics
  • Communication Module
    Enables data transmission to external systems via various protocols
    Material: Electronic components supporting communication standards
  • Memory
    Holds the calculated parameters for later analysis.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Power Monitoring Device.

Power Meter Energy Monitor Power Analyzer Electrical Power Monitor

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
current: Up to 5000A (with CTs)
voltage: Up to 1000V AC/DC
humidity: 0-95% non-condensing
frequency: 45-65Hz
temperature: -20°C to +70°C
Media Compatibility
✓ Clean dry air environments ✓ Indoor electrical panels ✓ Non-corrosive industrial atmospheres
Unsuitable: Submerged or high-pressure washdown environments
Sizing Data Required
  • Nominal system voltage (V)
  • Maximum expected current (A)
  • Number of phases to monitor

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sensor Drift/Calibration Loss
Cause: Environmental factors (temperature fluctuations, humidity), component aging, or electrical interference leading to inaccurate power measurements.
Communication Module Failure
Cause: Overheating, voltage spikes, or firmware corruption disrupting data transmission to monitoring systems.
Maintenance Indicators
  • Erratic or inconsistent power readings displayed on the device or monitoring interface
  • Audible buzzing or humming from the device, or complete loss of communication/data transmission
Engineering Tips
  • Implement regular calibration checks and environmental shielding (e.g., temperature-controlled enclosures) to maintain sensor accuracy.
  • Use surge protectors, ensure proper ventilation to prevent overheating, and keep firmware updated to protect communication integrity.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
IEC 61010-1:2010 - Safety requirements for electrical equipment for measurement, control, and laboratory use CE marking - Compliance with EU directives for electrical equipment

Quoted from the published standard.

Manufacturing Precision
  • Voltage measurement accuracy: +/-0.5% of reading
  • Current measurement accuracy: +/-1.0% of reading
Quality Inspection
  • Electrical safety test (dielectric strength, insulation resistance)
  • Calibration verification against certified reference standards

Manufacturers of Power Monitoring Device

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Xiamen Jinbeili Electronics Co., Ltd.
Shanghai, CN
Also makes: Remote Terminal Unit, Power Supply System, Current Transformer and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Power Monitoring Device”
View source page ↗ jblec.com · checked 2026-09-04
View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 16 September 2026

Technical documentation
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Manufacturing capability
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Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
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Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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Frequently Asked Questions

What electrical parameters does this device measure?

It measures voltage, current, power, energy consumption, power factor, harmonics, and other electrical characteristics in AC or DC systems.

What communication protocols are supported?

The device supports Modbus RTU/TCP, with reference to IEC 61850 for communication standards.

What is the accuracy class of the device?

The accuracy class is 0.5 per IEC 62053-22, indicating a measurement error within 0.5% of the reading.

What are the environmental limits for operation?

Operating temperature is -25 to 70 °C, humidity is 5–95% RH non-condensing, and ingress protection is IP54–IP65 for indoor panel mounting.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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