DC 4V-30V Mini 0.28 inch Red LED Digital Voltmeter 2wire

₨192.00

Small in size and light in weight, quite easy and convenient to carry out.
0.28″” visible LED display, easy to read even in dim light.
Wide measure range DC 0V-100v. It requires extra power supply of 4V to 30V; only has three-wires for simple connection.
With reversed connection protection, meaning it will not burn even when wires are connected reversely.
Has resolution of 0.1V and the potentiometer in the back side for accuracy adjustment.

DC 4V-30V Mini 0.28 inch Red LED Digital Voltmeter 2wire
The voltmeter is a compact mini DC 4-30V voltage measuring device to measure 2 line and 2 wire products, general use, break through voltage meter, is the latest design, can work directly in 5V, 9V, 12V, 24V and other circuits, without voltage regulation. Equipped with three wiring, easy access to the car / storage battery car / motorcycle inside line, with reverse connection protection function, line connection will not burn. Used to monitor the battery voltage, timely grasp the state of battery voltage, can also be used for other products voltage measurement purposes.
Note that the 2 line using the highest input voltage shall not exceed 30V, otherwise there is danger of burnout.
Specifications:

2 line working voltage: 4.0~30V (with reverse connection protection function)
2 wire detection voltage: 4.0~30V
Operating current: <20mA
Display: 0.28, “LED”, red
Size: 33 x 10.7 x 8.2 mm (length * width * height)
Installing openings: 28.5 * 10 mm
The measurement rate: more than 200mS/ times
Measuring accuracy: 3 per thousand
Extreme working condition
Low operating voltage: +4.0V
Maximum operating voltage: +40V
Operating temperature: -10 ~ +65 DEG C
Working humidity: 10 ~ 80% (without gel)
Working pressure: 80 ~ 106kPa

Package Includes:
1 x 0.28mm mini voltmeter
Wiring:

red: power supply +
black: power supply -, measure –