Sanwa Analog Insulation Tester DM509S hand level Mode 3: 70 W w/

Mode 3: 70 W w/ High performance filter

Zongshen brand engine(The best one in China)

facility and institutional maintenance departments and property management companies

Strong climbing (max

Sanwa Analog Insulation Tester DM509S hand level Mode 3: 70 W w/Sanwa Analog Insulation Tester DM509S Description: The Sanwa DM509S is a DC insulation resistance tester to measure electric lines' and equipment's insulation resistance. The DM509S is IEC61010 1 and IEC61010 2 030 CAT. III 600V certified and has an IP20 rating that protects it against dust and other particles. The insulation resistance function on this device has an accuracy of 5% of full scale and can measure the insulation resistance of up to