ZYHW Insulation Resistance Tester takes computer technology as kernel, LSI combined with digital circuit, equipped with strong measurement and data processing software; finish the insulation resistance, voltage tests, with stable features, easy to operate.

• Automatic releases the voltage.
• Data transmission by USB
• With function of back light, convenient to working in dark circumstance.
• Test results displayed in bar pattern.
• HV indicating symbol and red warning light.
• Auto power off:
• If without operation in 15 minutes after finished the test, it will auto power off
• Store 18 groups data.
• Time setting: to test within 15 minutes of the setting time
• COMP measurement (comparing function)
• Polarization index test
• PI test can between any two time, auto test the resistance ratio according the setting.
• Error limit: ± (a% reading + character), warranty: one year
• Temperature :23±5 ℃
• Relative humidity: 45~75%RH.