It uses a high voltage, low current DC charge to measure the resistance within wires and motor windings to identify current leakage and faulty or damaged insulation.
Test voltage ranges: 125V, 250V, 500V, 1000V
Measures: Voltage up to 1000V DC, 750V AC and resistance up to 4000MΩ
Min/Max record mode
Live circuit detection prevents insulation tests if voltage > 30V
The auto null of test lead resistance
1mA output current on an insulation test
200mA short circuit on continuity range
Large digital LCD dual display with backlight
Rugged design for heavy-duty use
Lock down the test button for hands-free use
Auto power off
CAT III 1000V
SP Hand Tools are covered against manufacturing defects or faulty materials. This warranty does not cover overloading, abuse, misuse, and/or normal wear and tear. All SP Hand Tools are designed and manufactured for specific purposes, and if not used for that intended purpose, they will not be covered by the lifetime warranty. Exemptions - All measuring equipment (12-month warranty), battery-operated wrenches (24-month warranty), striking and cutting tools (6-month warranty).