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.
Test Report Resources
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