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TH0500 Precision Current Transformer

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 .
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TH0500 Precision Current Transformer

TH0500 Precision Current Transformer

1. Summary

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

Supports two current access modes, through core and direct connected type respectively.

Direct connected type with the input current of 0.1 A…200 A

     Through core type with the input current of 500 A…20 kA

Secondary output signal is optional for current (I / I) or voltage (I/ V)

     I/I:Optimum uncertainty of 0.2ppm

     I/V:Optimum uncertainty of 10 ppm

Optional digital display function, support for digital signal output


3. Applications

Establish DC / AC current precision measurement system

Calibrate the DC / AC current source or ammeter

Calibrate the DC current ratio standard (current comparator)

Calibrate the DC current transformer / sensor

Calibrate the DC current I/V transformers

Flexible current access and signal output mode

 TH0500 Flexible current access and signal output mode

Current input is optional! direct connected type with the input current of 0.1 A... 200 A。

through core type with the input current of 500 A... 20 kA。

The secondary output can be selected as a voltage type or a current type:

Voltage output ( I/V )nominal output 10 V。

Current output ( I/I ):nominal output 0.1 A ... 5 A selected 。


3.1 Application of type I/V TH0500

    Establish current precision measurement system

TH0500 Establish current precision measurement system

Form a current measurement system withTH0500, precision voltmeter and high stability current source.

Implement the measurement of a large current, or provide a DC / AC current signal


Calibrate High Current Source / meter

TH0500 Calibrate High Current Source / meter

Another typical application of the type I / V transform is paired with a precision voltmeter to calibrate the AC high current standard source / meter.

Calibrate I/V conversion standards

 TH0500 Calibrate I/V conversion standards

Using the I/V type TH0500, you can calibrate the DC shunt, current transducer and other I/ V transform devices in the following two methods.

Calibration by difference method:The selected TH0500 is in the same proportion as the tested I/V, and a micro voltmeter such as a nanovoltmeter is used for calibration

Calibration by voltage ratio method:The selected TH0500 is not proportional to the tested I / V and is calibrated using a voltage ratio measurement device.(Note: For the calibration of type I /I conversion standard such as current comparator and DC current transformer, type I/ I TH0500 is recommended as the standard; the secondary series standard resistance being tested I / I is also used as described in the method above figure.)


3.2 Application of Type I/I TH0500

Calibrate I/I conversion standards

TH0500 Calibrate I/I conversion standards

I/I type TH0500 can be used to calibrate DC current comparator, current transformer and other I/I conversion equipment according to the following two methods.

Calibration by difference method: the selected TH0500 is in the same proportion as the tested I/I μA micro ammeter for calibration.

Calibration by current ratio method: TH0500 selected is not in the same proportion as the tested I/I, and the current ratio measuring device is used for calibration


Establish high voltage and high current power/electric energy precision measurement system

 TH0500 Establish high voltage and high current power/electric energy precision measurement system

TH0500 can be used with high-voltage V/V conversion equipment (typically TH0170 precision DC voltage divider) and standard power/energy meter (typically TD1310 AC/DC standard meter) to form a high-voltage high current power/energy precision measurement system.

It is used to measure the output power of high-power power supply, the efficiency of conversion equipment, calibrate high-power power source, power meter and other equipment



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)

  • Note: The secondary nominal output current can be customized according to customer requirements.


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

  • Measurement range: ±(0~120%) * FS; 

  • Measuring frequency: DC~5 kHz (3dB signal bandwidth ≥ 100 kHz)


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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