0V-30V 3 Wire DC Voltmeter Terminal 0.56 Inch LED Digital Voltmeter Accessories Reverse Connection Protection, Color: Blue

A 0V-30V 3 Wire DC Voltmeter is designed to measure DC voltage within a range of 0 to 30 volts. It is suitable for applications requiring precise voltage readings, such as battery monitoring and power supply testing.

• Measuring range: 0V-30V
• Input impedance: greater than 100K ohms
• Refresh speed: approximately 300ms per reading
• Operating temperature: -10 to 65 degrees Celsius
• Power supply range: red DC4.5-30V, green DC4.7-30V, blue DC5-30V
• Allowable error: approximately 1 percent; error of about 0.3V for voltages greater than or equal to 10V, and about 0.1V for voltages less than 10V
• Operating current: red less than 23mA, green less than 18mA, blue less than 13mA
• Display mode: three 0.56-inch LED digital tubes
• Display color: red, green, blue
• Length of lead wire: 20 cm
• Weight: approximately 19 g
• Size: approximately 4.8 x 2.9 x 2.2 cm; mounting holes approximately 4.6 x 2.7 cm
• Reverse connection protection included
• Low startup voltage: red as low as 4.5V, green as low as 5V, blue as low as 5V
• Input voltage limit: input voltage higher than 30V may cause permanent damage