Voltage should below 30V if you only using 2 cables (3.5 – 30Vdc)
Connection
Three wires 0-100V :
Power supply: Red (positive) and black (negative)
Measurement: Yellow (positive) and black (negative)
Two wires 3.5-30V (power and measure from same source)
Red and yellow (positive)
Black (negative)
Specifications
Display mode: Three 0.28 LED digital tube
Display color: Green/Red/Blue/Yellow
Update Rate: About 500 ms/time
Physical size: 30 x 12 x 8.5 mm (L*W* H, including installation ear)
Power supply: Don't need the power supply, direct use of the test voltage as a power supply
Lead wire length: 10 cm
The minimum input : 3.50V
The maximum input : 30V
Measurement range : DC3.50 - 30V
Operation temperature: -10 degrees~65 degrees
Measurement accuracy : plusmn (1% + 2 Digit)
Mounting holes distance : 26mm
Red line : Power Supply +,Measure Voltage +,(3.50-30V DC)
Black line : Power Supply -, Measure Voltage
Additional Information
Device
Voltage Meter
Type
Mini | Digital
The DPM Mini Digital Voltage Meter 0-100V is your go-to solution for precise voltage measurement in compact projects. With a clear 0.28-inch LED display and reverse connection protection, it’s perfect for 5V to 30V applications. This reliable meter ensures accuracy and ease of use, making it an essential tool for DIY electronics enthusiasts.