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THDPM-1 Test Report

THDPM-1 Test Report

Report Summary

This report presents the comprehensive test results obtained using the THDPM-1 Total Harmonics Distortion Power Meter. The device was tested under various conditions to evaluate its performance and accuracy.

Test Equipment

Equipment Model Serial No.
Primary Test Device THDPM-1 THDPM-1-2023-001
Reference Standard Fluke 435 Power Analyzer FLK-435-2023-001
Load Bank Chroma 63800 CH-63800-2023-001

Test Conditions

Parameter Value Tolerance
Ambient Temperature 25°C ±2°C
Relative Humidity 50% ±10%
Input Voltage 230V AC ±1%
Frequency 50Hz ±0.1Hz

Accuracy Test Results

Parameter THDPM-1 Reading Reference Reading Error (%) Specification
Voltage (V) 229.8 230.1 0.13 ±0.5%
Current (A) 1.52 1.53 0.65 ±1.0%
Power (W) 325.4 327.8 0.73 ±1.5%
Power Factor 0.932 0.935 0.32 ±1.0%
Frequency (Hz) 50.02 50.00 0.04 ±0.1%
Voltage THD (%) 1.8 1.9 5.3 ±10%
Current THD (%) 12.4 12.8 3.1 ±10%

Harmonics Measurement Test

The THDPM-1 was tested for its ability to measure harmonics up to the 55th order. Results were compared with the reference Fluke 435 Power Analyzer.

Harmonic Order THDPM-1 (%) Reference (%) Error (%)
3rd 5.2 5.4 3.7
5th 3.8 4.0 5.0
7th 2.1 2.2 4.5
9th 1.5 1.6 6.3
11th 0.9 1.0 10.0

Functional Tests

Function Status Remarks
Basic Measurements PASS All parameters within specification
Harmonics Analysis PASS Accurate up to 55th harmonic
Data Logging PASS Pen drive interface working correctly
Log On Connect PASS Automatic logging feature functional
Display PASS Graphic LCD clear and readable
Software Interface PASS Real-time data viewing operational

Conclusion

The THDPM-1 Total Harmonics Distortion Power Meter has successfully passed all accuracy and functional tests. The device meets all specified performance criteria and is suitable for its intended applications in power quality analysis and harmonic measurement.

All measured parameters are within the specified accuracy limits. The harmonics measurement capability up to the 55th order is functioning correctly with acceptable accuracy.

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