LWJ 6710 frequency conversion dielectric loss automatic tester Introduction: Automatic anti-interference precision dielectric loss tester is used for on-site anti-interference dielectric loss measurement or laboratory precision dielectric loss measurement. The instrument is an integrated structure with built-in dielectric loss bridge, variable frequency power supply, test transformer and standard capacitor. Adopt frequency conversion anti-interference and Fourier transform digital filtering technology, fully automatic and intelligent measurement, and the measurement data is very stable under strong interference. The measurement results are displayed by the large screen LCD and can be printed out by the built-in micro printer. Technical parameters: 1. Dielectric loss and capacitance measurement Accuracy: Cx: ± (reading × 1%+1pF） tg δ: ± (reading × 1%+0.00040） Anti-interference index: frequency conversion anti-interference, can still achieve the above accuracy under 200% interference Capacitance range: internally applied high voltage: 3pF~60000pF/10kV 60pF~1.2 μ F/0.5kV External high voltage: 3pF~1.5 μ F/10kV 60pF~30 μ F/0.5kV Resolution: up to 0.001 pF, 4 significant digits tg δ Range: unlimited, resolution 0.001%, automatic identification of capacitance, inductance and resistance. Test current range: 10 μ A~5A Internal high voltage: set voltage range: 0.5~10kV Maximum output current: 200mA Pressure raising and lowering mode: continuous and smooth adjustment Voltage accuracy: ± (1.5% × Reading+10V) Voltage resolution: 1V Test frequency: 45~65Hz integer frequency 49/51Hz, 45/55Hz automatic dual frequency conversion Frequency accuracy: ± 0.01Hz External high voltage: maximum test current of 5A/40~70Hz during positive wiring Maximum test current 10kV/5A/40~70Hz in reverse wiring CVT self-excitation low voltage output: output voltage 3~50V, output current 3~30A 2. CVT transformation ratio measurement Transformation ratio range: 10~99999 Transformation ratio accuracy: ± reading × 1% Phase range: 0~359.999 ° Phase accuracy: ± 0.02 ° 3. Input power supply: 180V~270VAC, 50Hz/60Hz ± 1%, mains or generator power supply 4. Computer interface: standard RS232 interface 5. Printer: built-in miniature thermal printer 6. Ambient temperature: - 10 ℃~50 ℃ 7. Relative humidity:<90%, no condensation
Introduction: Automatic anti-interference precision dielectric loss tester is used for on-site anti-interference dielectric loss measurement or laboratory precision dielectric loss measurement. The instrument is an integrated structure with built-in dielectric loss bridge, variable frequency power supply, test transformer and standard capacitor. Adopt frequency conversion anti-interference and Fourier transform digital filtering technology, fully automatic and intelligent measurement, and the measurement data is very stable under strong interference. The measurement results are displayed by the large screen LCD and can be printed out by the built-in micro printer.
