Bargraph 2 wire mini voltmeter 30v 0.28 | Pakistan

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