鉅發企業 ( 香港 ) 有限公司

Three 3 digits voltmeter has 3 wire connections. Its operating power 

is separated from the mearsurement input wires so it has a wide measuring

range from 0 to 30 volt.

Supply voltage: DC 4.5V ~ 30V max.

Measuring range: DC 0V ~ 30V max.

Working current: <30mA

Input impedance: 100K up

Display: 0.36 inch LED, Red color

Dimensions: 35 × 23 × 20mm