1. Summary
TD4550 is an intelligent and highly integrated test system for calibrating three-phase energy meter and other AC electrical apparatus. It is built-in 3PH standard source. It can complete intrinsic error test, constant test, standard deviation test, starting current test, test of no-load of electric energy meter.
2. Features
• Accuracy：class 0.02, 0.05, 0.1
• 3PH ACV output：6 V～456 V
• 3PH ACI output：2 mA ~ 110 A
• Multiple output mode, support three-phase or single adjust
• U-I phase：0°～360°, accuracy 0.01°;
• Energy meter test function
• LCD touch screen
• 2nd~21st harmonic output（option）
• Test software（option）
3. Application
4. Characteristics
☆ Wide Output |
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• It can meet most single-phase / three-phase meters. |
☆ Convenient Operation |
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• Color LCD touch-screen. • Support connect operation keypad with physical keys. |
☆ Harmonics Function (Option) | |
| |
S/N | Function |
| 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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• RS232 communication interface，software customizable. |
5. Specifications
5.1 Three-Phase Voltage / Current Output
Voltage Range | Stability ( %/min ) | Accuracy ± (ppm of reading + ppm of range) [1] | Max Burden (mA) | ||||
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) | ||||
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 |
• Three-phase voltage output：6 V～456 V, Three-phase current output：2 mA～120 A
• Degree of distortion：<0.5%
• Degree of symmetry：voltage <0.2%, current <0.5%, phase <0.5°
• Voltage short circuit, current open-circuit and overload protection
5.2 Frequency / Phase / Harmonic
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 |
5.3 Power / Energy Output
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%*FS③ | ± 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/energy measure range：combination of voltage range and current range
• Power factor measure range：-1.000 00…0.000 00…1.000 00
• Energy pulse output：High frequency full range is 60 kHz, Low frequency full range is 6 Hz
• Energy pulse input：Frequency ≤ 150 kHz, pulse level：：0…3.3 V…24 V
• Energy error display：auto，resolution as 0.0001%
6. General Specifications
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 |
7. Ordering Information
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