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TH0320 Reference Resistance Standard

TH0320 is a series of precision standard resistors, suitable for measuring a wide range of precision current, it can also be applied for calibrating multifunction calibrators, high precision digital multi-meter, etc.
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  • TH0320

  • TUNKIA

TH0320 Reference Resistance Standard

  TH0320 Reference Resistance Standard


1. Summary

TH0320 is a series of precision standard resistors, suitable for measuring a wide range of precision current, it can also be applied for calibrating multifunction calibrators, high precision digital multi-meter, etc.


2. Features

    • Long-term stability: 3 ppm/year (typical)

    • Temperature coefficient: 1 ppm/°C

    • Nominal resistance: 1 Ω ~ 10 MΩ

    • Low thermal potential terminal

No oil or air baths required

18°C~ 28°C operating range

Small and rugged


3. Applications

Calibrate high precision resistance meter

Calibrate standard resistance/precision resistance

Establish high precision current measurement system


Calibrate Resistance Meter

TH0320 Reference Resistance Standard Calibrate Resistance Meter

Calibrate two-wire (≥ 10 MΩ) or four-wire (≤ 1 MΩ) resistance meters as standard resistors.

It can be used directly without placing in constant temperature oil tank or air tank.


Calibrate Standard/Precision Resistance

TH0320 Reference Resistance Standard Calibrate Standard/Precision Resistance

• Calibrate precision resistance with precision resistance bridge (such as TH0210).


Establish High Precision DC Measurement System

TH0320 Reference Resistance Standard Establish High Precision DC Measurement System

Establish the current measurement system with I/I transfer standard and precision voltmeter.




4. Specifications

Model

Nominal Resistance @ 23°C

Initial Deviation ( ±ppm )

Accuracy

( ±ppm )

Annual

Stability

( ±ppm )

Temperature Coefficient

       ( ±ppm/°C)

Wiring

TH0320-1R

1 Ω

5

2.5

3

0.2

4W

TH0320-10R

10 Ω

5

2.5

3

0.2

4W

TH0320-100R

100 Ω

5

2.5

3

0.2

4W

TH0320-1kR

1 kΩ

5

2.5

3

0.2

4W

TH0320-10kR

10 kΩ

5

2.5

3

0.2

4W

TH0320-100kR

100 kΩ

5

2.5

3

0.2

2W

TH0320-1MR

1 MΩ

5

2.5

3

0.2

2W

TH0320-10MR

10 MΩ

10

5

6

0.2

2W


Model

Nominal Power( W )

Power Factor

        ( ±ppm/W )

Maximum

Current ( A )

Maximum

Voltage ( V )

TH0320-1R

0.5

10

707

0.707

TH0320-10R

0.1

10

100

1.00

TH0320-100R

0.1

10

31.6

3.16

TH0320-1kR

0.1

10

10

10

TH0320-10kR

0.1

10

3.16

31.6

TH0320-100kR

0.1

10

1

100

TH0320-1MR

0.1

10

0.316

316

TH0320-10MR

0.1

10

0.1

1000


5. General Specifications

Power supply

——

Temperature performance

Operating temperature: 18°C~ 28°C;

Storage temperature: -10°C ~ 60 °C;

Humidity performance

Working humidity :(40%-60%) R·H, no condensation;

Storage humidity: 95% ·H, no condensation;

Weight

About 1 kg

Dimensions


100 mm(W) ×150 mm(D)× 70 mm (H) (excluding terminals and footpads)



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