Harmonic Tester

Harmonic Tester for electrical instrumentation, designed for power quality checks, OEM/ODM customization, and stable supply to distributors and project buyers.

50th Harmonic Digital Power Analyzer AC DC Electrical Parameter Tester True RMS THD Testing Meter RS485 Modbus Communication

$505 /piece

Price varies depending on material, logo, quantity and customization requirements.

MOQ 1 piece
Model NO. EI-3591
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

Display Type4-Window Digital LCD Simultaneous DisplayMeasurable Voltage Range3V~600V, Max Allowable Input 700V
TypeAC/DC/AC+DC Harmonic Power AnalyzerPackaging/
Current Measuring Range5mA~20AMeasurement Accuracy±(0.4% reading + 0.1% range + 1 digit)
Measurement ModeTrue RMS AC/DC/AC+DCMax. Measuring Power11kW
Special Function1~50th Harmonic Analysis, THD MeasurementApplicationPower Quality Research, LED Driver R&D, Switching Power Supply Testing
Working Power SupplyAC100V~240V 50/60Hz

We are China Loong Electrical Instrument Co., Ltd., a professional manufacturer and supplier specializing in Electrical Instrument. We have brought together and coordinated resources across the Electrical Instrument supply chain, enabling us to maintain consistent product quality and establish long-term partnerships with clients worldwide.

Our mission is to provide high-quality products and reliable service. We are committed to offering the following advantages:

  • Stable production system ensuring consistent quality, dependable supply, and standardized manufacturing management;
  • Strict quality control covering material selection, processing, surface finishing, and final packaging;
  • Variety of products and specifications to meet diverse project requirements and application scenarios;
  • OEM & customization support based on drawings, samples, or specific technical requirements;
  • Flexible packaging solutions to ensure safe handling and transportation of products;
  • Continuous improvement in products and services to better support customers in different markets.

If you are interested in our products, please feel free to contact us. We look forward to establishing long-term and mutually beneficial cooperation with you.

Copyright © 2026 China Loong Electrical Instrument Co., Ltd. All rights reserved.
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50th Harmonic Digital Power Analyzer AC DC Electrical Parameter Tester True RMS THD Testing Meter RS485 Modbus Communication

SKU: EI-3591

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