Here’s what they say about BT-6688B Insulation Resistance Meters:
- “Used it to test under floor heat cables"
- “Meter is rather heavy, as it should be."
- “ it has actual resistance reading instead of just LED light showing”
- “A low cost tester reaching extreme 200 Gig Ohm and 5000 Volt.”
- “Clear large display, backlight,anti slippery housing great for outdoor testing.”
- “Easy to use, very heavy duty high voltage cables included.”
- “Display actual resistance reading instead of just LED light showing”