12V 2.5-30V DC Waterproof Monitor Battery Gauge Auto Meter Digital Voltmeter LED
Specification:
Dimensions: 40 x 25 x 23 mm
Clip size: 37x20mm
Measuring range: Red (DC 2.5-30.0V) Green (DC 2.7-30.0V) Blue (DC 3.0-30.0V)
Maximum input: DC 30V
Permissible error: 1% (+ / - 1 digit)
Display: Three 0.40" LED digital tubes
Display color: Red (DC 2.5-30.0V) Green (DC 2.7-30.0V) Blue (DC 3.0-30.0V)
Update rate: about 500 mS
Current consumption: approx. 5-20mA
Operating temperature: -10°C ~ 65°C
Voltmeter with epoxy casting, Full waterproof design, Oil pollution protection, Moisture-proof, Shockproof, Dustproof
With reverse polarity protection
Application:
Does not need power supply, can measure 2.5-30V directly
If the input voltage is below 3.5V, the screen brightness will be dimmed.
If the input voltage is below 2.5V, it will measure incorrectly or no display
when measuring 10V below, accurate to 0.01V, display x.xx
when measuring 10V or more, accurate to 0.1V, display xx.x
