LED Driver Testing and Analysis
DPA-THD-Catalog
DPA-THD is a digital power analyzer for accurate AC parameter measurement with Voltage THD (V-THD) and Current THD (A-THD).
1 Year Warranty Against Manufacturing Defects
Standard coverageShips within Two days of Confirmed Order
Global delivery09:00 AM - 05:30 PM (Mon-Sat)
Expert assistanceProduct Overview
Official Catalog
Download PDFDPA-THD (Single Phase Production Tester with THD Measurement)
DPA-THD is a high-precision Digital Power Analyzer designed for detailed AC parameter measurement and harmonic analysis in industrial and laboratory environments.
Measured Parameters
The device measures complete AC electrical parameters including:
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Voltage (V)
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Current (A)
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Power (W)
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Power Factor (PF)
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Frequency (Hz)
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Voltage THD (V-THD)
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Current THD (A-THD)
Design & Application
DPA-THD features a Source–Load connection type architecture, making it ideal for:
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LED Driver Testing
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SMPS Testing
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Adapter Testing
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Production Line Quality Control
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Harmonic Analysis Applications
AC Measurement Range
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Voltage: Up to 500V AC
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Maximum Current Capacity: Up to 10 Amps
Available standard models:
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2 Amps Model
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5 Amps Model
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10 Amps Model
Selectable AC current range is provided for improved accuracy and better resolution during testing.
Lower current range models are also available on request.
Customization Option
Users are requested to specify the required voltage and current range before placing the order.
We can customize the unit as per required voltage and ampere range to suit specific testing applications.
Upgraded Models Available
For enhanced performance and advanced harmonic analysis capability:
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THDPM-1
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THDPM-2

Technical Specifications
Auxiliary Power: 180 – 250V AC, 50 Hz
Input Voltage Range:
5 – 500V AC, 45 – 55 Hz
(45 – 65 Hz optional, 600V range also available)
Input Current Range:
10mA to 2.0A
(Higher range models available up to 10A)
Accuracy:
Class 0.2 (Electrical Parameters)
1.0% (For THD Measurement)
Resolution:
Floating Decimal Point
Display:
Bright LED Display
Please refer to the catalog image above for detailed technical specifications.
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Watch DPA-THD Demo Video Here: