Main features of KF-6208 frequency conversion anti-interference dielectric loss tester

The KF-6208 frequency conversion anti-interference dielectric loss tester breaks through the traditional bridge measurement method, adopts frequency conversion power supply technology, and uses single-chip microcontrollers and modern electronic technology for automatic frequency conversion, analog-to-digital conversion, and data operation; Achieve strong anti-interference ability, fast testing speed, high accuracy, fully automatic digitization, and easy operation; The power supply adopts a high-power switching power supply, which outputs pure sine waves at 45Hz and 55Hz, automatically applies voltage, and can provide a maximum voltage of 10 kV; Automatically filter out 50Hz interference, suitable for on-site testing in substations and other areas with high electromagnetic interference. Widely applicable for dielectric loss measurement of transformers, mutual inductors, bushings, capacitors, lightning arresters and other equipment in the power industry.

TECHNICAL INDEX

☆ Accuracy: Cx: ± (reading x 1%+1pF)

TG δ: ± (reading x 1%+0.00040)

☆ Anti interference index: Frequency conversion anti-interference, can still achieve the above accuracy under 200% interference

☆ Capacity range: Internal high voltage: 3pF~60000pF/10kV 60pF~1 μ F/0.5kV

External high voltage: 3pF~1.5 μ F/10kV, 60pF~30 μ F/0.5kV

Resolution: up to 0.001pF, 4 significant digits

☆ TG δ range: unlimited, resolution 0.001%, automatic identification of three types of samples: capacitance, inductance, and resistance.

☆ Test current range: 10 μ A~1A

☆ Internal high voltage: Set voltage range: 0.5-10kV

Maximum output current: 200mA

Pressure rise and fall method: continuous smooth adjustment

Test frequency: 45, 50, 55, 60, 65Hz single frequency

45/55Hz、55/65Hz、47.5/52.5Hz Automatic dual frequency conversion

Frequency accuracy: ± 0.01Hz

☆ External high voltage: maximum test current of 1A when connected positively, frequency or variable frequency 40-70Hz

The maximum test current during reverse wiring is 10kV/1A, with a frequency range of 40-70Hz for power frequency or variable frequency

☆ CVT self-excited low voltage output: output voltage 3-50V, output current 3-30A

Measurement time: about 40 seconds, depending on the measurement method

☆ Input power supply: 180V~270VAC, 50Hz ± 1%, powered by mains or generator

☆ Computer interface: Standard RS232 interface

☆ Printer: Brilliance A7 Thermal Micro Printer

☆ Environmental temperature: -10 ℃ to 50 ℃

☆ Relative humidity:<90%

☆ Dimensions: 460 × 360 × 350mm

☆ Instrument weight: 28kg