TD1450 Analog Standard Resistor

TD1450 is an instrument that can accurately simulate DC or AC standard resistance. It is suitable for calibrating loop resistance testers, DC resistance testers, ground bond resistance testers and other AC and DC low resistance instruments. The instrument is also a precision ammeter, suitable for measuring a wide range of DC or AC current.
  • TD1450

  • TUNKIA

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TD1450 Analog Standard Resistor


TUNKIA TD1450 Analog Standard Resistor

1. Summary

TD1450 is an instrument that can accurately simulate DC or AC standard resistance. It is suitable for calibrating loop resistance testers, DC resistance testers, ground bond resistance testers and other AC and DC low resistance instruments. The instrument is also a precision ammeter, suitable for measuring a wide range of DC or AC current.


2. Features

• Accuracy: Class 0.02/0.05

• Two specifications are available: DC and AC/DC measurement.

• Maximum current measurement: 60 A (120A, 240A, 600 A are optional).

• DC resistance simulation: 1 μΩ ~ 600 Ω (related to current specifications).

• AC resistance simulation: 1 μΩ ~ 600 Ω (related to current specifications).

• The four-wire method can effectively eliminate the error introduced by the wire resistance.

• The required resistance value can be set directly by the button, and the calibration efficiency is high.

• It has data statistics and analysis, and stability test functions.

• It displays voltage, current, resistance and other values at the same time.

• Good protection, high reliability, with self-calibration function.

• The device is small and light as a whole, suitable for carrying to the field.

• It has input current ripple or harmonic measurement function (optional).

• Special automatic test software (optional).


3. Application

TUNKIA TD1450 Analog Standard Resistor-application


4. Appearance

☆ Front Panel

TUNKIA TD1450 Analog Standard Resistor

S/N

Function

Multiple electricity and waveforms are intuitively displayed to improve the usability of the instrument.

The button and knob operation panel allows users to set the resistance calibration value, making measurement work more convenient.

The voltage output terminal can achieve a maximum AC and DC voltage output of 100 Vpk.

The sensor terminal can be equipped with a precision AC and DC current sensor to expand the current measurement range.

The current measurement terminal can achieve a wide range of AC and DC current measurement from 10 mA to 60 A with one wiring.

The foldable legs can raise the instrument by about 15° to obtain the best operation and reading angle.

The handle makes it easy for users to carry the instrument.


☆ Rear Panel

TUNKIA TD1450 Analog Standard Resistor

S/N

Function

Rich communication interfaces: including RS232, USB, LAN, which is convenient for users to build a fully automatic test system.

High-power cooling fan: good cooling system ensures long-term stable operation of the instrument.

Casing ground: Before using the equipment, make sure that the casing ground is reliably grounded.

Power interface: AC 85 ~ 264 V power input interface with switch and fuse.



5. Characteristic

☆ Analog Resistance Output

TUNKIA TD1450 Analog Standard Resistor

• The four-wire wiring method can effectively eliminate the measurement error caused by the resistance of the test wire, and the measurement accuracy is higher;

• Compared with the physical resistance box, the analog resistor has the following advantages:

① The resistance value is continuously adjustable, the adjustment fineness and the sensitivity are better;

② There is no influence of switch error, residual resistance error, contact resistance error, etc., and the measurement data is accurate and reliable;

③ The physical resistor will cause the resistance value to change when overloaded, and even cause the resistor to be damaged in severe cases. This device has current overload capacity and impact resistance, and has been fully tested for electrostatic protection and electromagnetic compatibility, with good protection performance and high reliability.

• The device has a self-calibration function to ensure that the value is accurate and stable for a long time.


☆ Wide Range Current Measurement

TUNKIA TD1450 Analog Standard Resistor

• Direct current measurement: A pair of quick-connect terminals can be used to directly measure a wide range of AC and DC currents from 10 mA to 60 A, solving the top problem of automatic range switching for ultra-wide range AC and DC currents.

• Current conversion measurement: The instrument is equipped with a sensor-specific measurement interface, which can simultaneously power the sensor and measure its secondary signal. It can be connected to a precision current sensor (such as TH0540-T) to expand the current range to 100A, 200A, 500A or even larger. By setting the ratio of the current sensor on the instrument, the size of the primary current of the measured sensor can be directly displayed.

• Solution advantages: This flexible combination of direct measurement and conversion measurement can effectively reduce the size and weight of the instrument while maintaining the wide range and large current measurement capabilities of the instrument, making it very convenient to carry out current measurement work; especially for on-site calibration, users can carry the instrument body or choose a suitable sensor according to the calibration requirements.


☆ AC and DC Integrated Measurements

TUNKIA TD1450 Analog Standard Resistor

• The instrument supports DC or AC (optional) measurement mode, and the AC frequency range is: 45 Hz ~ 65 Hz.

• When measuring current, the distortion and ripple can be measured simultaneously. The maximum measurement bandwidth of DC ripple is 1 kHz, and AC supports the measurement of the 2nd to 16th harmonics (optional).

• Solution advantages: The rich measurement modes can not only measure the errors of various DC current sources, AC current sources, DC low-resistance measuring instruments, and AC low-resistance measuring instruments, but also facilitate users to effectively evaluate the signal quality of the output power of DC or AC sources, which reduces the initial investment and effectively improves the test efficiency.


6. Specifications

6.1 DCI Measurement

Range

Resolution

Measurement   Uncertainty ( k=2 )

( ppm*RD   + ppm*RG ) [1]

Temperature   Coefficient

@( 15 ~   30 )

( ppm*RG/ )

Class 0.05  

Class 0.02

Class 0.05

Class 0.02

100 mA

1 μA

200 + 200

100 + 100

10

4

200 mA

1 μA

200 + 100

100 + 50

10

4

500 mA

1 μA

200 + 100

100 + 50

10

4

1 A

10 μA

200 + 100

100 + 50

10

4

2 A

10 μA

200 + 100

100 + 50

10

4

5 A

10 μA

200 + 100

100 + 50

10

4

10 A

100 μA

200 + 100

100 + 50

10

4

20 A

100 μA

200 + 100

100 + 50

10

4

50 A

100 μA

200 + 100

100 + 50

10

4

100 A [2]

1 mA

200 + 100

100 + 50

10

4

200 A [2]

1 mA

200 + 100

100 + 50

10

4

500 A [2]

1 mA

200 + 100

100 + 50

10

4

Note [1]: RD is the reading value, RG is the range value;

[2]: The 100 A~500 A range is an option   and must be paired with a TH0540 through-core current sensor of corresponding   specifications.

  • Measuring range (TD1450-X-50A specification, maximum range: 50 A): 10 mA ~ 60 A

  • Measuring range (TD1450-X-100A specification, maximum range: 100 A): 10 mA ~ 120 A

  • Measuring range (TD1450-X-200A specification, maximum range: 200 A): 10 mA ~ 240 A

  • Measuring range (TD1450-X-500A specification, maximum range: 500 A): 10 mA ~ 600 A

  • Number of display digits: 6 decimal display

  • Ripple measurement frequency band: 1 Hz ~ 1 kHz, measurement uncertainty (k=2): 0.02%*RG, effective value

  • Input protection: Can withstand 2 times rated current 5 s overload


6.2 ACI Measurement

Range

Resolution

Measurement   Uncertainty ( k=2 )

( ppm*RD   + ppm*RG ) [1]

Temperature   Coefficient

@( 15~30   )

( ppm*RG/ )

Class 0.05

Class 0.02

Class 0.05

Claas 0.02

100 mA

1 μA

500 + 500

300 + 200

20

10

200 mA

1 μA

500 + 500

300 + 200

20

10

500 mA

1 μA

500 + 500

300 + 200

20

10

1 A

10 μA

500 + 500

300 + 200

20

10

2 A

10 μA

500 + 500

300 + 200

20

10

5 A

10 μA

500 + 500

300 + 200

20

10

10 A

100 μA

500 + 500

300 + 200

20

10

20 A

100 μA

500 + 500

300 + 200

20

10

50 A

100 μA

500 + 500

300 + 200

20

10

100 A [2]

1 mA

500 + 500

300 + 200

20

10

200 A [2]

1 mA

500 + 500

300 + 200

20

10

500 A [2]

1 mA

500 + 500

300 + 200

20

10

Note [1]: RD is the reading value, RG is the range value;

[2]: The 100 A~500 A range is an option and must be paired with a   TH0540 through-core current sensor of corresponding specifications.

  • Measuring range (TD1450-X-50A-B specification, maximum range: 50 A): 10 mA ~ 60 A

  • Measuring range (TD1450-X-100A-B specification, maximum range: 100 A): 10 mA ~ 120 A

  • Measuring range (TD1450-X-200A-B specification, maximum range: 200 A): 10 mA ~ 240 A

  • Measuring range (TD1450-X-500A-B specification, maximum range: 500 A): 10 mA ~ 600 A

  • Display digits: 6 decimal display

  • AC frequency: 45 Hz ~ 65 Hz, harmonic measurement: 2nd ~ 16th (optional)

  • Input protection: Can withstand 2 times rated current for 5 s overload


 

6.3 DC Resistance Simulation

Current Range

Setting Range of    Resistance Value R

Adjustment    Fineness

Measurement    Uncertainty

( k=2ppm*RD+R0 ) [1]

Class 0.05

Class 0.02

500 A [2]

1 μΩ ≤ R ≤ 1.2 mΩ

2 nΩ

500 + 10 nΩ

200 + 5 nΩ

1.2 mΩ < R ≤ 6 mΩ

20 nΩ

500

200

6 mΩ < R ≤ 60 mΩ

200 nΩ

500

200

200 A [2]

3 μΩ ≤ R ≤ 3 mΩ

10 nΩ

500 + 30 nΩ

200 + 15 nΩ

3 mΩ < R ≤ 30 mΩ

100 nΩ

500

200

30 mΩ < R ≤ 300 mΩ

1 μΩ

500

200

100 A [2]

5 μΩ ≤ R ≤ 6 mΩ

10 nΩ

500 + 60 nΩ

200 + 30 nΩ

6 mΩ < R ≤ 60 mΩ

100 nΩ

500

200

60 mΩ < R ≤ 600 mΩ

1 μΩ

500

200

50 A

10 μΩ ≤ R ≤ 12 mΩ

20 nΩ

500 + 120 nΩ

200 + 60 nΩ

12 mΩ < R ≤ 120 mΩ

200 nΩ

500

200

120 mΩ < R ≤ 1.2 Ω

2 μΩ

500

200

20 A

30 μΩ ≤ R ≤ 30 mΩ

100 nΩ

500 + 0.3 μΩ

200 + 0.15 μΩ

30 mΩ < R ≤300 mΩ

1 μΩ

500

200

300 mΩ < R ≤ 3 Ω

10 μΩ

500

200

10 A

50 μΩ ≤ R ≤ 60 mΩ

100 nΩ

500 + 0.6 μΩ

200 + 0.3 μΩ

60 mΩ < R ≤ 600 mΩ

1 μΩ

500

200

600 mΩ < R ≤6 Ω

10 μΩ

500

200

5 A

100 μΩ ≤ R ≤ 120 mΩ

200 nΩ

500 + 1.2 μΩ

200 + 0.6 μΩ

120 mΩ < R ≤ 1.2 Ω

2 μΩ

500

200

1.2 Ω < R ≤ 12 Ω

20 μΩ

500

200

2 A

300 μΩ ≤ R ≤ 300 mΩ

1 μΩ

500 + 3 μΩ

200+ 1.5 μΩ

300 mΩ < R ≤ 3 Ω

10 μΩ

500

200

3 Ω < R ≤ 30 Ω

100 μΩ

500

200

1 A

500 μΩ ≤ R ≤ 600 mΩ

1 μΩ

500 + 6 μΩ

200 + 3 μΩ

600 mΩ < R ≤ 6 Ω

10 μΩ

500

200

6 Ω < R ≤ 60 Ω

100 μΩ

500

200

500 mA

1 mΩ ≤ R ≤ 1.2 Ω

2 μΩ

500 + 12 μΩ

200 + 6 μΩ

1.2 Ω < R ≤ 12 Ω

20 μΩ

500

200

12 Ω < R ≤ 120 Ω

200 μΩ

500

200

200 mA

3 mΩ ≤ R ≤ 3 Ω

10 μΩ

500 + 30 μΩ

200 + 15 μΩ

3 Ω < R ≤ 30 Ω

100 μΩ

500

200

30 Ω < R ≤ 300 Ω

1 mΩ

500

200

100 mA

5 mΩ ≤ R ≤ 6 Ω

10 μΩ

500 + 60 μΩ

200 + 30 μΩ

6 Ω < R ≤ 60 Ω

100 μΩ

500

200

60 Ω < R ≤ 600 Ω

1 mΩ

500

200

Note [1]: RD is the reading value, RG is the range value;

[2]: The   100 A~500 A range is an option and must be paired with a TH0540 through-core   current sensor of corresponding specifications.

  • Resistance simulation range (TD1450-X-50A specification, maximum range: 50 A): 10 μΩ ~ 600 Ω

  • Resistance simulation range (TD1450-X-100A specification, maximum range: 100 A): 5 μΩ ~ 600 Ω

  • Resistance simulation range (TD1450-X-200A specification, maximum range: 200 A): 3 μΩ ~ 600 Ω

  • Resistance simulation range (TD1450-X-500A specification, maximum range: 500 A): 1 μΩ ~ 600 Ω

  • Display digits: 6 decimal digits, set the resistance value through the numeric keys.


 

6.4 AC Resistance Simulation

Current Range

Setting Range of    Resistance Value R

Adjustment    Fineness

Measurement    Uncertainty

( k=2, ppm*RD + R0 ) [1]

Class 0.05

Class 0.02

500 A [2]

1 μΩ ≤ R ≤ 1.2 mΩ

2 nΩ

1000 + 0.2 μΩ

500 + 0.1 μΩ

1.2 mΩ < R ≤ 6 mΩ

20 nΩ

1000

500

6 mΩ < R ≤ 60 mΩ

200 nΩ

1000

500

200 A [2]

3 μΩ ≤ R ≤ 3 mΩ

10 nΩ

1000 + 0.4 μΩ

500 + 0.2 μΩ

3 mΩ < R ≤ 30 mΩ

100 nΩ

1000

500

30 mΩ < R ≤ 300 mΩ

1μΩ

1000

500

100 A [2]

5 μΩ ≤ R ≤ 6 mΩ

10 nΩ

1000 + 1 μΩ

500 + 0.5 μΩ

6 mΩ < R ≤ 60 mΩ

100 nΩ

1000

500

60 mΩ < R ≤ 600 mΩ

1 μΩ

1000

500

50 A

10 μΩ ≤ R ≤ 12 mΩ

20 nΩ

1000 + 2 μΩ

500 + 1 μΩ

12 mΩ < R ≤ 120 mΩ

200 nΩ

1000

500

120 mΩ < R ≤ 1.2 Ω

2 μΩ

1000

500

20 A

30 μΩ ≤ R ≤ 30 mΩ

100 nΩ

1000 + 4 μΩ

500 + 2 μΩ

30 mΩ < R ≤300 mΩ

1 μΩ

1000

500

300 mΩ < R ≤ 3 Ω

10 μΩ

1000

500

10 A

50 μΩ ≤ R ≤ 60 mΩ

100 nΩ

1000 + 10 μΩ

500 + 5 μΩ

60 mΩ < R ≤ 600 mΩ

1 μΩ

1000

500

600 mΩ < R ≤6 Ω

10 μΩ

1000

500

5 A

100 μΩ ≤ R ≤ 120 mΩ

200 nΩ

1000 + 20 μΩ

500 + 10 μΩ

120 mΩ < R ≤ 1.2 Ω

2 μΩ

1000

500

1.2 Ω < R ≤ 12 Ω

20 μΩ

1000

500

2 A

300 μΩ ≤ R ≤ 300 mΩ

1 μΩ

1000 + 40 μΩ

500 + 20 μΩ

300 mΩ < R ≤ 3 Ω

10 μΩ

1000

500

3 Ω < R ≤ 30 Ω

100 μΩ

1000

500

1 A

500 μΩ ≤ R ≤ 600 mΩ

1 μΩ

1000 + 100 μΩ

500 + 50 μΩ

600 mΩ < R ≤ 6 Ω

10 μΩ

1000

500

6 Ω < R ≤ 60 Ω

100 μΩ

1000

500

500 mA

1 mΩ ≤ R ≤ 1.2 Ω

2 μΩ

1000 + 200 μΩ

500 + 100 μΩ

1.2 Ω < R ≤ 12 Ω

20 μΩ

1000

500

12 Ω < R ≤ 120 Ω

200 μΩ

1000

500

200 mA

3 mΩ ≤ R ≤ 3 Ω

10 μΩ

1000 + 400 μΩ

500 + 200 μΩ

3 Ω < R ≤ 30 Ω

100 μΩ

1000

500

30 Ω < R ≤ 300 Ω

1 mΩ

1000

500

100 mA

5 mΩ ≤ R ≤ 6 Ω

10 μΩ

1000 + 1000 μΩ

500 + 500 μΩ

6 Ω < R ≤ 60 Ω

100 μΩ

1000

500

60 Ω < R ≤ 600 Ω

1 mΩ

1000

500

Note [1]: RD is the reading value, RG is the range value;

[2]: The 100 A~500 A range is an option and must be paired with a   TH0540 through-core current sensor of corresponding specifications.

  • Resistance simulation range (TD1450-X-50A-B specification, maximum range: 50 A): 10 μΩ ~ 600 Ω

  • Resistance simulation range (TD1450-X-100A-B specification, maximum range: 100 A): 5 μΩ ~ 600 Ω

  • Resistance simulation range (TD1450-X-200A-B specification, maximum range: 200 A): 3 μΩ ~ 600 Ω

  • Resistance simulation range (TD1450-X-500A-B specification, maximum range: 500 A): 1 μΩ ~ 600 Ω

  • Display digits: 6 decimal digits, set the resistance value through the digital keys.


7. General Specification


Power Supply

AC ( 85 ~ 264 ) V,( 47 ~ 63 ) Hz

Maximum Power Consumption

100 VA

Warm-up Time

≥ 30 min

Temperature Performance

Working temperature: 18°C ~ 28°C;

Storage temperature: -20°C ~ 70°C

Humidity Performance

Working humidity: (40% ~ 80%) R·H,   non-condensing

Storage humidity: <80% R·H, non-condensing

Communication Interface

LAN, USB, RS232

Screen Size

3.5 inch

Weight

Approx. 8.0 kg

Dimensions

W * D * H = 215 mm * 420 mm * 150 mm

TUNKIA TD1450 Analog Standard Resistor

Unit: mm



8. Ordering Information


TD1450 Analog Standard Resistor 12 Ordering Information


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