The XHJS1000B Dielectric Loss Tester is an upgraded version of XHJS1000A, added with CVT ratio and phase error measurement functions. Adopting variable frequency power supply technology, it realizes automatic frequency conversion, A/D conversion and data calculation via single-chip microcomputer and electronic technology. It outputs pure sine waves of 45Hz and 55Hz, features automatic pressurization, and can provide a voltage up to 10kV.

• Adopts complex current method for high-precision test results
• Meets the measurement requirements of oil dielectric loss
• Realizes self-excitation test for CVT, measuring capacitance and dielectric loss of C1 and C2 in one test
• Adopts IVDDV and variable frequency technologies for reverse connection test
• Equipped with overcurrent, grounding and  protection functions
• CVT ratio measurement: 10～99999 ±1%
• Phase measurement: 0～359.9°±0.1°

• Measuring range: Capacitance: 3pF～60nF
• Accuracy: a) Capacitance: ±(1.0% reading +5pF) b) Dielectric loss: ±(1% reading +0.04%) c) Frequency: ±0.01
• Resolution: Capacitance: 0.001 pF (minimum distinguishable) Dielectric loss: 0.001% (minimum distinguishable)
• High-voltage power supply: 0.5～10kV Maximum output current: 200mA
• Low-voltage output: Voltage 3～50V Current 3～30A
• Working environment: Power supply: AC220V ±10%, 50±1Hz

• Power system: Power generation, transmission, transformation, distribution, etc.
• Factories and mines: Large manufacturing plants and various mining companies
• Metallurgy and petrochemical industry: Smelting, chemical engineering, water treatment, etc.
• Transportation: Ports, railways, highways, airports and municipal street lamps, etc.
• Enterprises and institutions: Logistics departments of large enterprises and institutions
• Construction industry: Large-scale construction projects and property management companies
• Power installation and commissioning: Power installation and commissioning companies of all grades