Model: MG-III Power Factor Test Set

Measures the dissipation factor (Tan Delta, power factor), relative permittivity (dielectric constant), capacitance, insulation resistance and volume resistivity of electrical insulating oils and other insulating liquids.

Conforms to IEC 60247, ASTM D924, IS 6262/6103, DL 474.3 and GB/T 5654. CE Mark.


Microprocessor controlled inductive heater - uniformity of temperature throughout the cell;

Automatic measurement;

High accuracy;

Built-in thermal printer for test report printing;

Large LCD touch screen.

Technical specification

Oil cup heating up to 100°C with uniformity across the cup (For routine testing, usually at 25°C, 85°C or 100°C)

Output voltage: 1000V - 2200V (200V interval)

Tan Delta measurement range: 0.000% - 100.0%

Accuracy: ±1.0% of reading + 0.00001

Capacitance measurement range: 15pF - 300pF

Accuracy: ±1.0% of reading + 0.01pF

Resistance measurement range: 10Mohm - 10Tohm

Accuracy: ±10% of reading

Relative permittivity and Volume resistivity calculated automatically and displayed.

Capacitance of empty test cell: 60pF (±2pF)

Ambient temperature: -5°C - 40°C

Power supply: AC 220V, 50Hz

If you would like to discuss your requirements for this product further, please email us at or use our enquiry form.

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