YD9820A Type Programmable Insulation Resistance TesterDetailed product description：

YD9820A Programmable Insulation Resistance Tester

Test voltage, insulation resistance, and display simultaneously
Test voltage can be set arbitrarily
Automatic conversion of insulation resistance range
The upper and lower limits of resistance can be set arbitrarily
Optional RS232C and PLC interfaces

Voltage measurement range	10V-1000V DC
voltage resolution	1V
Voltage accuracy	3%
Resistance measurement range	10kΩ-10^6MΩ
Accuracy of resistance measurement	± 2% ± 3% ± 5% ± 15% according to the test voltage and resistance settings
Resistance upper and lower limit settings	1MΩ-10^6MΩ
Resistance upper and lower limit settings	1MΩ-10^6MΩ
communication interface	PLC interface, RS232C (optional)
Working temperature and humidity	0℃-40℃，≤85%RH
Power requirements	198V-242V AC,47.5Hz-52.5Hz
Overall dimensions	326×102×345（mm)
weight	6kg

YD9820A Programmable Insulation Resistance Tester