TH0340 AC Electrical Resistance Standard

Model: TH0340
Brand: TUNKIA

Product Description

TH0340 AC Resistance Standard

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

Specifications

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)
Dimensions

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