| Customization: | Available |
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| After-sales Service: | Life Time |
| Warranty: | 12 Months Excellent After Service |
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TD4550 is an intelligent and highly integrated test system for calibrating three-phase energy meter and other AC electrical apparatus
| ☆ Wide Output |
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| ☆ Convenient Operation |
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☆ Harmonics Function(Option) |
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| S/N | Function declaration |
| Set amplitude of harmonic. | |
| Set phase of harmonic(fundamental wave). | |
| Choose 2nd~21st harmonics channel output. | |
| Oscilloscope function, user can observe voltage and current waves. | |
| Display frequency spectrum of harmonic by histogram.(fundament wave is 100%) | |
☆ Testing Software(Option) |
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5.1 Three-Phase Voltage / Current Output
| Voltage Range | Stability ( %/min ) |
Accuracy ±(ppm of reading + ppm of range) [1] |
Max Burden (mA) |
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| Class 0.1 | Class 0.05 | Class 0.02 | Class 0.1 | Class 0.05 | Class 0.02 | ||
| 57.7 V | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 500 |
| 100 V | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 300 |
| 220 V | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 130 |
| 380 V | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 80 |
| Note [1] : (ppm = parts per million) (e.g.,10ppm = 0.001%). | |||||||
| Current Range | Stability ( %/min ) |
Accuracy ±(ppm of reading + ppm of range) [1] |
Max Burden (V) |
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| Class 0.1 | Class 0.05 | Class 0.02 | Class 0.1 | Class 0.05 | Class 0.02 | ||
| 20 mA | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 24 |
| 50 mA | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 24 |
| 100 mA | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 24 |
| 200 mA | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 24 |
| 500 mA | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 24 |
| 1 A | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 24 |
| 2 A | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 6 |
| 5 A | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 6 |
| 10 A | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 2 |
| 20 A | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 2 |
| 50 A | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 0.6 |
| 100 A | 0.02 | 0.01 | 0.005 | 600+400 | 300+200 | 120+80 | 0.6 |
| Frequency | Range:45 Hz~65Hz; Adjustment fineness:0.001 Hz; Accuracy:±0.05 Hz (class 0.1), ±0.02 Hz (class 0.05), ±0.01 Hz(class 0.02) |
| Phase | Range:0.000 0°~359.999 9°; Adjustment fineness:0.001°; Accuracy:±0.05° (class 0.1), ±0.02° (class 0.05), ±0.01°(class 0.02) |
| Harmonic | 2nd~21st harmonic; Amplitude 0~25% adjustable; Phase 0~359.99°adjustable |
| Type | Current range | Class 0.1 | Class 0.05 | Class 0.02 |
| Output power stability ( % / 2min ) |
50 mA≤I≤120 A | 0.05 | 0.02 | 0.01 |
| 2 mA≤I< 50 mA | 0.05 | 0.03 | 0.02 | |
| Active power /energy |cosΦ| ≥0.5 |
50 mA≤I≤120 A | ±0.1%*reading | ±0.05%*reading | ±0.02%*reading |
| 2 mA≤I< 50 mA | ±0.2%*FS | ±0.1%*FS | ±0.05%*FS | |
| Reactive power /energy |sinΦ| ≥0.5 |
50 mA≤I≤120 A | ±0.2%*FS | ±0.1%*FS | ±0.05%*FS |
| 2 mA≤I< 50 mA | ±0.5%*FS | ±0.2%*FS | ±0.1%*FS | |
| Power factor | 50 mA≤I≤120 A | ±0.1% | ±0.05% | ±0.02% |
| 2 mA≤I< 50 mA | ±0.2% | ±0.1% | ±0.05% | |
| Note [2] :FS= voltage range ×current range | ||||
| Power Supply | AC ( 220 ± 22 ) V,( 50 ± 2 ) Hz |
| Temperature Performance | Working temperature:0°C~45°C; Storage temperature:-20°C~70°C |
| Humidity Performance | Working humidity:< 80% @ 30°C,< 70% @ 40°C,< 40% @ 50°C Storage humidity:(20%~80%) R·H,non-condensing |
| Interface | RS232 |