
1. Summary
The TH0500 Precision Current Transformers based on the principle of the current comparator, it can produce an output current or voltage that varies directly with the input current from 0.1A to 20 kA. By the connection of a reference shunt burden on the output terminal when outputting an current or directly measuring the voltage when outputting an voltage the primary current can be deduced from the measured voltage .2. Features
Through core type with the input current of 500 A…20 kA
I/V:Optimum uncertainty of 10 ppm
(3)Optional digital display function, support for digital signal output
3. Applications
| ☆ Flexible current access and signal output mode |
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The secondary output can be selected as a voltage type or a current type:
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3.1 Application of type I/V TH0500
| ☆ Establish current precision measurement system |
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| ☆ Calibrate High Current Source / meter |
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| ☆ Calibrate I/V conversion standards |
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3.2 Application of Type I/I TH0500
| ☆ Calibrate I/I conversion standards |
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| ☆ Establish high voltage and high current power/electric energy precision measurement system |
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4. Specifications
4.1 Direct Connected I/I Conversion Standard
| Model | Primary Test Current ( A ) | Secondary Output Current ( A ) | Transformation Ratio | Accuracy ( ± μA / A, full range) | |
| DC | AC@53Hz | ||||
| TH0500-I-D-01A-01A-2 | 0.1 | 0.1 | 1:1 | 2 | 150 |
| TH0500-I-D-02A-01A-2 | 0.2 | 0.1 | 2:1 | 2 | 150 |
| TH0500-I-D-05A-01A-2 | 0.5 | 0.1 | 5:1 | 2 | 150 |
| TH0500-I-D-1A-01A-2 | 1 | 0.1 | 10:1 | 2 | 150 |
| TH0500-I-D-2A-01A-2 | 2 | 0.1 | 20:1 | 2 | 150 |
| TH0500-I-D-5A-01A-2 | 5 | 0.1 | 50:1 | 2 | 150 |
| TH0500-I-D-10A-01A-2 | 10 | 0.1 | 100:1 | 2 | 150 |
| TH0500-I-D-20A-01A-2 | 20 | 0.1 | 200:1 | 2 | 150 |
| TH0500-I-D-50A-01A-2 | 50 | 0.1 | 500:1 | 2 | 150 |
| TH0500-I-D-100A-01A-2 | 100 | 0.1 | 1000:1 | 2 | 150 |
| TH0500-I-D-200A-01A-2 | 200 | 0.1 | 2000:1 | 2 | 150 |
- Measurement range: ± (0~120%) * FS; Measuring frequency: DC~5 kHz (3dB signal bandwidth ≥ 100 kHz)
4.2 Through Core I/I Conversion Standard
| Model | Primary Test Current ( A ) | Secondary Output Current ( A ) | Transformation Ratio | Accuracy ( ± μA / A, full range) | |
| DC | AC@53Hz | ||||
| TH0500-I-T-500A-01A-5 | 500 | 0.1 | 5000:1 | 5 | 150 |
| TH0500-I-T-1kA-02A-5 | 1 k | 0.2 | 5000:1 | 5 | 150 |
| TH0500-I-T-2kA-05A-5 | 2 k | 0.5 | 4000:1 | 5 | 150 |
| TH0500-I-T-5kA-1A-5 | 5 k | 1 | 5000:1 | 5 | 150 |
| TH0500-I-T-10kA-2A-10 | 10 k | 2 | 5000:1 | 10 | 150 |
| TH0500-I-T-20kA-5A-20 | 20 k | 5 | 4000:1 | 20 | 150 |
- Measurement range: ± (0~120%) * FS; Measuring frequency: DC~5 kHz (3dB signal bandwidth ≥ 100 kHz)
4.3 Direct connected I/V conversion standard
| Model | Primary Test Current ( A ) | Secondary Output Voltage ( V ) | Accuracy ( ± 1×10-6, full range) | |
| DC | AC@53Hz | |||
| TH0500-U-D-01A-10V-10 | 0.1 | 10 | 10 | 200 |
| TH0500-U-D-02A-10V-10 | 0.2 | 10 | 10 | 200 |
| TH0500-U-D-05A-10V-10 | 0.5 | 10 | 10 | 200 |
| TH0500-U-D-1A -10V-10 | 1 | 10 | 10 | 200 |
| TH0500-U-D-2A-10V-10 | 2 | 10 | 10 | 200 |
| TH0500-U-D-5A-10V-10 | 5 | 10 | 10 | 200 |
| TH0500-U-D-10A-10V-10 | 10 | 10 | 10 | 200 |
| TH0500-U-D-20-10V-10 | 20 | 10 | 10 | 200 |
| TH0500-U-D-50A-10V-10 | 50 | 10 | 10 | 200 |
| TH0500-U-D-100-10V-10 | 100 | 10 | 10 | 200 |
| TH0500-U-D-200A-10V-10 | 200 | 10 | 10 | 200 |
| TH0500-U-D-01A-10V-20 | 0.1 | 10 | 20 | 200 |
| TH0500-U-D-02A-10V-20 | 0.2 | 10 | 20 | 200 |
| TH0500-U-D-05A-10V-20 | 0.5 | 10 | 20 | 200 |
| TH0500-U-D-1A-10V-20 | 1 | 10 | 20 | 200 |
| TH0500-U-D-2A-10V-20 | 2 | 10 | 20 | 200 |
| TH0500-U-D-5A-10V-20 | 5 | 10 | 20 | 200 |
| TH0500-U-D-10A-10V-20 | 10 | 10 | 20 | 200 |
| TH0500-U-D-20A-10V-20 | 20 | 10 | 20 | 200 |
| TH0500-U-D-50A-10V-20 | 50 | 10 | 20 | 200 |
| TH0500-U-D-100A-10V-20 | 100 | 10 | 20 | 200 |
| TH0500-U-D-200A-10V-20 | 200 | 10 | 20 | 200 |
| TH0500-U-D-01A-10V-50 | 0.1 | 10 | 50 | 200 |
| TH0500-U-D-02A-10V-50 | 0.2 | 10 | 50 | 200 |
| TH0500-U-D-05A-10V-50 | 0.5 | 10 | 50 | 200 |
| TH0500-U-D-1A-10V-50 | 1 | 10 | 50 | 200 |
| TH0500-U-D-2A-10V-50 | 2 | 10 | 50 | 200 |
| TH0500-U-D-5A-10V-50 | 5 | 10 | 50 | 200 |
| TH0500-U-D-10A-10V-50 | 10 | 10 | 50 | 200 |
| TH0500-U-D-20A-10V-50 | 20 | 10 | 50 | 200 |
| TH0500-U-D-50A-10V-50 | 50 | 10 | 50 | 200 |
| TH0500-U-D-100A-10V-50 | 100 | 10 | 50 | 200 |
| TH0500-U-D-200A-10V-50 | 200 | 10 | 50 | 200 |
- Measurement range: ± (0~120%) * FS; Measuring frequency: DC~5 kHz (3dB signal bandwidth ≥ 100 kHz)
4.4 Through Core I/V Conversion Standard
| Model | Primary Test Current ( A ) | Secondary Output Voltage ( V ) | Accuracy ( ± 1×10-6, full range) | |||
| DC | AC@53Hz | |||||
| TH0500-U-T-500A-10V-10 | 500 | 10 | 10 | 200 | ||
| TH0500-U-T-1kA-10V-10 | 1 k | 10 | 10 | 200 | ||
| TH0500-U-T-2kA-10V-10 | 2 k | 10 | 10 | 200 | ||
| TH0500-U-T-5kA-10V-10 | 5 k | 10 | 10 | 200 | ||
| TH0500-U-T-500A-10V-20 | 500 | 10 | 20 | 200 | ||
| TH0500-U-T-1kA-10V-20 | 1 k | 10 | 20 | 200 | ||
| TH0500-U-T-2kA-10V-20 | 2 k | 10 | 20 | 200 | ||
| TH0500-U-T-5kA-10V-20 | 5 k | 10 | 20 | 200 | ||
| TH0500-U-T-10kA-10V-20 | 10 k | 10 | 20 | 200 | ||
| TH0500-U-T-500A-10V-50 | 500 | 10 | 50 | 200 | ||
| TH0500-U-T-1kA-10V-50 | 1 k | 10 | 50 | 200 | ||
| TH0500-U-T-2kA-10V-50 | 2 k | 10 | 50 | 200 | ||
| TH0500-U-T-5kA-10V-50 | 5 k | 10 | 50 | 200 | ||
| TH0500-U-T-10kA-10V-50 | 10 k | 10 | 50 | 200 | ||
| TH0500-U-T-20kA-10V-50 | 20 k | 10 | 50 | 200 | ||
5. General Specifications
| Power Supply | AC:195 V ~ 242 V / 47 Hz ~ 63 Hz Lithium battery (built-in) |
| Temperature Performance | Working temperature: 0 °C ~45 °C; Storage temperature: -10 °C ~ 55 °C; |
| Humidity Performance | Working humidity: 50% R·H,non-condensing; Storage humidity:(15% ~ 80%)R·H,non-condensing. |
6. Ordering Information












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