Features:
1.The design conforms to the following Safety Requirements:
IEC61010-1(CAT Ⅲ 600V,POLUTION degreeⅡ)
IEC61557-1,2(Electronic safety requirements for low voltage distribution system below AC 1000V and DC 1500V )
2.Insulation measurement voltage in large ranges: 100V,250V,500V,1000V.
3.Insulation resistance measurement as high as 20GΩ.
Features of high accuracy, stable performance, easy operation and reliability.
Professional in electric equipment maintenance, testing and inspection.
Red lid to protect the button and screen of the meter.
Storage pouch included, smooth zipper closure. 

Specifications:
Max. Display: 2000 counts
Insulation Resistance(Ω): Test Voltage: 100V/250V/500V/1000V 0%~10%
100V: 0.00MΩ~100MΩ ±(5%+5)
250V: 0.00MΩ~99.9MΩ ±(5%+5) ; 100MΩ~5.5GΩ ±(5%+5)
500V: 0.00MΩ~99.9MΩ ±(5%+5) ; 100MΩ~5.5GΩ ±(5%+5)
1000V: 0.00MΩ~99.9MΩ ±(5%+5) ; 100MΩ~5.5GΩ ±(5%+5)
Load Current: 50V(R=50KΩ) 1mA 0%~10% ; 100V(R=100KΩ) 1mA 0%~10% ; 250V(R=250KΩ) 1mA 0%~10%
500V(R=500KΩ) 1mA 0%~10% ; 1000V(R=1MΩ) 1mA 0%~10%
Short Circuit Current: <2mA
AC Voltage (V): 30V~750V ±(2%+3)
Working Temperature: 0~40℃
Storage Temperature: -20~60℃