โวล์ตมิเตอร์แบตเตอรี่ แบบดิจิทัล LED 3 เส้น DC0-100V ขนาด 0.28 นิ้ว
The voltmeter is small in size DC DC0-100V 2-wire and 3-wire products are common breaking the conventional voltmeter it is a design can work directly in 5V 9V 12V 24V and other circuits without voltage regulation. Equipped with three wirings it is easy to connect to the car/battery car/motorcycle car line with reverse connection protection function the wire connection will not burn. It is used to monitor the battery voltage keep abreast of the battery voltage status and can also be used for voltage measurement of other products. Note that the input voltage of the 2-wire cannot exceed 30V otherwise there is a danger of burning.
Note: The three-wire use voltage range is 0-100V which can also be used as a second-line but the voltage should be within 40V.
Technical Parameters
2-wire working voltage: 4.0~40V (with reverse connection protection)
2-wire detection voltage: 0.0~40V
3-wire working voltage: 4.0~40V (with reverse connection protection)
3-wire detection voltage: 0.0~100V
Working current: <20mA
Display mode: 0.28 LED red blue green yellow (color optional)
Dimensions: 30 × 11.7 × 9.2 mm (length width height)
Mounting opening: 23 × 10 mm
Measurement rate: ≥200mS/time
Measurement accuracy: 3‰
Extreme working condition
Low working voltage: +4.0V
Working voltage: +40V
Working temperature: -10 ~ +65 ° C
Working humidity: 10~80% (no condensation)
Working pressure: 80 ~ 106kPa
Sunlight: no direct illumination
main feature:
1. Good product stability and high measurement accuracy
2. The appearance is standard size and easy to install.
3. Power supply uses polarity protection circuit
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#0.28inch #Voltmeter #DC0-100V #Voltage #Meter
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