2015-03-20

Blue LED Panel Meter Digital Voltmeter DC 0-99.9V Released

Selling at Circuitbay.net: USD $2.79

Dimensions: 35mmx14mmx10mm
Measurement accuracy: 0.1%
Refresh rate: about 200mS / times
Display: Three 0.36 "digital tube
Measuring range: DC 0V--99.9V
Input range: DC 5V-30V
Display Color: Blue
Operating current: Less than 8mA
Operating temperature: -10c ~65c
Input impedance: About 100K
Reverse polarity protection: yes

Wiring:
Red: power supply +
Black: power supply -, measure -
Blue: measure +

NOTE:The voltmeter is not used to the electric motor which has reverse gear. Because the power can produce high induction voltage when switching the reverse gear. And the voltmeter cannot bear on it. All metal of the motor cannot connect with the metal sink in case of causing shorting.