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TH0340 AC Electrical Resistance Standard

TH0340 is a series of reference temperature-controlled AC resistance standards. It's suitable for calibrating AC impedance meters (LCR).
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  • TH0340

  • TUNKIA

TH0340 AC Resistance Standard


TH0340 AC Resistance Standard 1



1. Summary

TH0340 is a series of reference temperature-controlled AC resistance standards. It’s suitable for calibrating AC impedance meters (LCR).


2. Features

Available wide range of resistance values at 1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ.

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

Temperature coefficient: 0.2 ppm/°C(typical)

Battery supply.

No oil or air baths required

18°C~ 28°C operating range

Small and rugged



3. Specifications

3.1 AC Resistance

Model

Nominal Resistance(Ω)

Initial Deviation (±ppm)

Accuracy

(±ppm)

Annual Stability

(±ppm)

TH0340-1R

1

3

1.5

5

TH0340-10R

10

3

1.5

5

TH0340-100R

100

3

1.5

5

TH0340-1kR

1k

3

1.5

5

TH0340-10kR

10k

3

1.5

5


3.2 Auxiliary Performance

Model

Maximum

Operating Current (mA)

Temperature Coefficient (±ppm/°C)

AC/DC Difference

@ 1 kHz (±ppm)

TH0340-1R

316

0.5

30

TH0340-10R

100

0.5

15

TH0340-100R

32

0.2

5

TH0340-1kR

10

0.2

5

TH0340-10kR

3.2

0.2

10


4. General Specifications

Power supply

Battery, at least for 7 hours.

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) ×104 mm (H) (excluding terminals and footpads)

TH0340 AC Resistance Standard Dimensions



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