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TH0310 Resistance Standard

TH0310 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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TH0310 Resistance Standard

  TH0310 Resistance Standard


 1. Summary

TH0310 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: 5 ppm/year (typical)

Temperature coefficient: 1 ppm/°C

Wide resistance range available from 1 mΩ ~ 100 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

TH0310 Resistance StandardCalibrate 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

TH0310 Resistance Standard Calibrate Standard/Precision Resistance

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


Establish High Precision DC Measurement System

TH0310 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

TH0310-1mR

1 mΩ

100

50

20

10

4W

TH0310-10mR

10 mΩ

50

25

15

5

4W

TH0310-100mR

100 mΩ

25

12.5

10

2.5

4W

TH0310-1R

1 Ω

5

2.5

5

1

4W

TH0310-1.9R

1.9 Ω

5

2.5

5

1

4W

TH0310-10R

10 Ω

5

2.5

5

1

4W

TH0310-25R

25 Ω

5

2.5

5

1

4W

TH0310-100R

100 Ω

5

2.5

5

1

4W

TH0310-1kR

1 kΩ

5

2.5

5

1

4W

TH0310-10kR

10 kΩ

5

2.5

5

1

4W

TH0310-19kR

19 kΩ

5

2.5

5

1

4W

TH0310-100kR

100 kΩ

5

2.5

5

1

4W

TH0310-1MR

1 MΩ

5

2.5

5

1

4W

TH0310-10MR

10 MΩ

10

5

10

1

2W

TH0310-19MR

19 MΩ

15

7.5

15

2

2W

TH0310-100MR

100 MΩ

25

12.5

25

5

2W



Model

Nominal Power( W )

Power Factor ( ±ppm/W )

Maximum

Current ( A )

Maximum

Voltage ( V )

TH0310-1mR

0.5

50

22.3

0.02

TH0310-10mR

0.5

50

7.07

0.07

TH0310-100mR

0.5

50

2.23

0.22

TH0310-1R

0.1

10

0.31

0.31

TH0310-1.9R

0.1

10

0.23

0.44

TH0310-10R

0.1

10

0.10

1.00

TH0310-25R

0.1

10

60 m

1.58

TH0310-100R

0.1

10

30 m

3.16

TH0310-1kR

0.1

10

10 m

10.0

TH0310-10kR

0.1

10

3 m

31.6

TH0310-19kR

0.1

10

2 m

43.6

TH0310-100kR

0.1

10

1 m

100

TH0310-1MR

0.1

10

300 μ

316

TH0310-10MR

0.1

10

100 μ

1000

TH0310-19MR

0.05

10

50 μ

1000

TH0310-100MR

0.01

10

10 μ

1000



5. General Specifications

Power supply

——

Temperature performance

Operating temperature: 18°C ~ 28°C;

Storage temperature: -10°C~ 55°C;

Humidity performance

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

Storage humidity: 95% R·H, no condensation;

Weight

About 0.5 kg

Dimensions


100 mm(W)×100 mm(D) ×50 mm(H) (excluding terminals and footpads)

TH0310 Resistance Standard Dimensions



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