Review on Astro 7764 Digital ⚡ Wide Range Circuit Tester LCD 3-48V by David Maxwell
Not very accurate for electrics
This has some resistance or is terribly inaccurate at low voltage. Checking the reference for 5 volts reads 3 volts each time. I checked with a Fluke multimeter and a power tester. Above 10 volts it seems normal.
- Hands-free operation
- There are disadvantages
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