Product description
Low start-up voltage, red minimum 4.5V, green minimum 4.7V, blue minimum 5.0V.
With reverse connection protection, reverse connection does not burn.
Measurement range: red DC4.50-30.0V
Power supply range: without additional power supply, directly use the measured voltage as the power supply, the range of the same as above
Maximum input: DC30.0V Note: Input voltage higher than 30V may be permanently damaged!
Allowable error: ± 1%; greater than or equal to 10V error is ± 0.3V; less than 10V error ± 0.10
Input impedance: > 100K ohms
Operating current: red < 23mA
Refresh speed: about 300mS once
Display mode: three 0.36 ‘LED digital tube
Mounting hole: hole distance: 28mm, hole diameter: 2.8mm