Our instrument has designed in integrated function of oil cell, heating, temperature control and voltage regulating.2. The fixed electrode cup with the function of oil filling and oil discharging is adopted. By controlling the solenoid va lve, the operation of oil filling, oil discharging and was hing can be realized without disassembling the electrode cup.3. Empty cup self-calibration.

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ZWJS801C Insualting Oil Tan Delta Tester
Technical Guidance	Test voltage range	0~2000VAC?l 0~500VDC
	Test temperature range	room temp~125℃
	Dielectric loss test range	0.00001~1
	Measurement accuracy	±(indicating value×0.5%+0.0001)
	Relative dielectric constant	±(indicating value×0.5%+0.1)
	Resistivity resolution	0.001MΩ·m
	Resistive test range	2.5MΩ·m~20TΩ·m