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Product Description
Specifications:
Dimensions: 48 X 29 X 16mm
Measurement range: DC 4.5-30V
Open hole size: 46 X 27mm
Maximum input: DC 30V (higher than this voltage is dangerous to burn)
Wire length: 20cm
Allowance error: below 10V :Accurate to 0.01V , above 10V:accurate to 0.1V ,
tolerance of 1% (+/- 1 )
Net weight: 17g
Display mode: three-position 0.56inch LED digital tube
Gross weight: 22g(including package)
Display color: blue
The refresh rate: is about 200ms/times
Power supply: No power required
Current Consumption: less than 20mA, usually 5-15mA
Working temperature: -10℃~65℃
Product introduction:
1. This voltmeter's wiring is simple，it only need to connect two wires，the red wire is to connected to positive pole，the black wire is to connected to negative pole. There is protection when the wires aren't correctly connected，the electric circuit won't be bumed.
2.This voltmeter doesn't need external drive working power，it can work with measuring voltage，the working voltage's range is 4.5-30V.
3. To reach the best measurement accuracy，this voltmeter will automatically move the decimal point's position according to the different measuring voltage. When it measures the voltage below 10V，it will display two places after decimal point. When it measures the voltage above 10V，it will display one place after decimal point.
4. This voltmeter can be used to measure the storage battery's voltage in motorcycles and cars and also can grasp the storage battery's status. It also can be used to measure other voltage.
Note:
1. 0V is the voltmeter's maximum operating limited voltage，please leave enough margin when working，to avoid voltmeter's permanent damage because of electrical spark ，power supply ripple，or other too high abrupt change of voltage.
2. This voltmeter didn't do moisture-proof，waterproof，shockproof，anti-oil processing，please be careful or handle by yourself when using.