Mall มิเตอร์แสดงโวลต์มิเตอร์ LED 4.5-30V วัดโวลล์ DC หน้าจอดิจิตอล สีแดง มิเตอร์วัดโวลท์ DC

Specifications:
Shape size: 48 X 29 X 16mm
Measuring range: 4.5-30V
Hole size: 46 X 27mm
The minimum input: DC4.5V(Less than the minimum voltage, measurement inaccuracies or display)
Wire length: 20cm
The maximum input: DC30V(Higher than this voltage, in danger of burning out)
Net weight: 17g
Gross weight: 22g(Package included)
Display method: three-digit number 0.56in LED Nixie tube
Display color: Red, green, blue optional
Update rate: about 200ms/time
Power supply: No need
Current consumption: Less than 20mA, normally 5-15mA
Working temperature: -10~65℃

Note: 
30V is this voltmeter maximum limit voltage, please keep enough allowance for table, to avoid permanent damage to the voltmeter due to spark of motor, power ripple and other mutations voltage

Included:
1 X Digital Display Voltmeter