TH0300 High Power Resistor Standard

TH0300 is a series of reference high power resistance standards, it’s applied for precise AC and DC current measurement at high power conditions.
  • TH0300

  • TUNKIA

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TH0300 High Power Resistor Standard

TH0300 High Power Resistor Standard

1. Summary

TH0300 is a series of reference high power resistance standards, it’s applied for precise AC and DC current measurement at high power conditions.


2. Features

• Nominal resistance: 0.1 Ω ~ 10 Ω

• Maximum operating current: 11 A

• Long-term stability: 5 ppm/year (typical)

• Temperature coefficient: 1 ppm /°C

• Low thermal potential

• On-site test


3. Applications

• Establish high precision current measurement system

• Calibrate the DC current standard source

• Calibrate high precision resistance meter


☆ DC High Current Precision Measurement

TH0300 High Power Resistor Standard DC High Current Precision Measurement

• When I ≥ 11 A, establish the current measurement system with I/I transfer standard and precision voltmeter.


☆ DC Small Current Precision Measurement

TH0300 High Power Resistor Standard DC Small Current Precision Measurement

• when ≤ 11 A, TH0300 can be directly used as I/V transfer standard.


4. Specifications

Model

Nominal Resistance @ 23°C

Initial Deviation ±ppm)

Accuracy

(±ppm)

Annual

Stability

(±ppm)

Maximum

Current (A)

Temperature Coefficient (±ppm/°C)

TH0300-0.1R

0.1 Ω

5

2.5

15

11.0

1

TH0300-0.2R

0.2 Ω

5

2.5

15

5.5

1

TH0300-0.5R

0.5 Ω

5

2.5

15

2.2

1

TH0300-1R

1 Ω

5

2.5

5

1.1

1

TH0300-2R

2 Ω

5

2.5

5

0.55

1

TH0300-5R

5 Ω

5

2.5

5

0.22

1

TH0300-10R

10 Ω

5

2.5

5

0.11

1


5. General Specifications

Power supply

——

Temperature performance

Operating temperature: 18°C ~ 28°C;

Storage temperature: -10°C ~ 55°C;

Humidity performance

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

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

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