New Digital Waterproof Voltmeter Car Digital Voltmeter
Professional digital voltmeter designed for automotive applications with waterproof construction and high-precision measurement capabilities.
Product Features
- Simple connection with two wires and built-in reverse polarity protection
- Low starting voltage of 3.50V for accurate measurement
- Variable precision: 0.01V resolution below 10.0V, 0.1V resolution above 10.0V
- Suitable for car batteries, motorcycle batteries, and various voltage measurement applications
- Versatile use across multiple voltage measurement purposes
Technical Specifications
| OEM |
Yes |
| Operating Temperature |
-10°C to 65°C |
| Accuracy Class |
±(5‰ + 2 Digit) |
| Measuring Range |
3.50-30V DC |
| Dimensions |
54x30x27mm (L*W*H) |
| Opening Size |
47.2x27.3mm (L*W) |
| Weight |
25g |
| Display Color |
Red/Blue/Green |
| Display Mode |
0.56" LED |
| Update Rate |
Approximately 500 ms/time |
| Power Supply |
Direct use of test voltage as power source |
| Lead Wire Length |
15 cm |
| Minimum Input |
3.30V |
| Maximum Input |
30.0V |
Wiring Method
Red Line: Power Supply +, Measure Voltage + (3.50-30.0V DC)
Black Line: Power Supply -, Measure Voltage -
Important Note: Truck batteries when fully charged reach approximately 28V. During truck startup, pulse interference may damage the module. This voltmeter is not suitable for 24V trucks. For such applications, please select the 7-100V voltmeter model.