DIGITAL VOLTMETER TESTER 70-500VAC BLUE LED DISPLAY

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Specifications:

Measuring range: AC70V-500V
No additional power supply needed, direct use of the measured voltage as a power supply, range: AC70V-500V
Maximum input: AC500V.
Allowable error: ± 1%
Input impedance> 1M ohms
Refresh speed: About 300mS / time
Three-digit display
Outside dimensions: about: 4.8 x 2.9 x 2.2 cm
Hole Size: about 4.6 x 2.7 cm
Operating temperature: -20 ° C to 65 ° C