This Clamp Meter is an auto/manual ranging, professional meter with Digitalog Display 4000 count with backlit. Advanced design for the trouble shooting of . - Yes dear! i do have that conventional meter at home. Opening the supply feeder to attach an ammeter is simply too dangerous for a casual .Voltage Tester. Klein Tools Non-Contact Voltage Tester. Klein Tools 400 Amp AC Auto-Ranging Digital Clamp Meter with Temp..Measure Power of the Whole House. Use these meters to review energy usage instantly. The memory functions allow you to view usage by the hour, week or .