DaFuRui dc Voltage Display，6pcs Mini Digital Voltmeter 0.28 Inch Two-Wire DC 4V-30V Digital Voltmeter Voltage Tester LED Display Reverse Polarity Protection and Accurate Pressure Measurement（Red）
0.28 Inch Two-Wire Mini Digital Voltmeter Detection voltage DC 0 ~ 30V Working voltage DC 4.0 ~ 30V Working current less than 20mA Installation hole 23x10mm Working pressure 80~106kpa Maximum working voltage +30V Operating temperature -10 ~+65 C Accuracy 3‰(+/- 1 word) Working humidity 10~80%(No condensation) | Measurement rate ≥200mS/ times Specification: Operating Voltage: 4.0-30VDetecting Voltage: 0-30VWorking Current: <20 mADetection Rate: ≥ 200 mS/TimesInstall the hole: 23 10 mmMeasurement Accuracy: 3 %Working temperature:-10 ~ +65 ℃Dimensions: 22.5 10 7 mmMeasurement rate: ge; 200mS / times Working pressure: 80~106kpaWorking humidity: 10~80% (No condensation)Wiring:Red wire: Power supply +Black wire:Power supply -, Measured Voltage -White wire: Measured VoltageAdjustable voltage resistance turn down the buck voltage clockwiseCan work with 5V，9V，12V， 24VColor: This package include 3 colours Two-Line Mini Digital DC VoltmeterWhen measured voltage is below 10V: the voltmeter displays two decimal digits, for example, 6.66VWhen measured voltage is larger than 10V, the voltmeter displays one decimal digit, for example, 10.6VPackage Including6Pcs red voltmeters 6pcs（BLUE) 0.28 Inch Two-Wire Mini Digital Voltmeter 6pcs（RED) 0.28 Inch Two-Wire Mini Digital Voltmeter 6pcs（3 Colors) 0.28 Inch Two-Wire Mini Digital Voltmeter 6pcs（BLUE) 0.28 Inch Three-Line Mini Digital Voltmeter 6pcs（RED) 0.28 Inch Three-Line Mini Digital Voltmeter 6pcs（3 Colors) 0.28 Inch Three-Line Mini Digital Voltmeter Display color: BLUE RED RED/GREEN/BLUE BLUE RED RED/GREEN/BLUE size: 0.28 Inch 0.28 Inch 0.28 Inch 0.28 Inch 0.28 Inch 0.28 Inch Number Wire: Two-Wire Two-Wire Two-Wire Three- Line Three-Line Three-Line 6pcs（BLUE) 0.36 Inch Two-Wire Mini Digital Voltmeter 6pcs（RED) 0.36 Inch Two-Wire Mini Digital Voltmeter 6pcs（3 Colors) 0.36 Inch Two-Wire Mini Digital Voltmeter 6pcs（BLUE) 0.36 Inch Three-Line Mini Digital Voltmeter 6pcs（RED) 0.36 Inch Three-Line Mini Digital Voltmeter 6pcs（3 Colors) 0.36 Inch Three-Line Mini Digital Voltmeter Display color: BLUE RED RED/GREEN/BLUE BLUE RED RED/GREEN/BLUE size: 0.36 Inch 0.36 Inch 0.36 Inch 0.36 Inch 0.36 Inch 0.36 Inch Number Wire: Two-Wire Two-Wire Two-Wire Three- Line Three-Line Three-Line
Product Features
- Excellent QualityDigital Voltmeter DC 4V-30V 0.28 Inch Two-Wire Voltage Tester Meter,Install the hole: 23 * 10 mm.
- Detecting VoltageDC0-30V; Operating Voltage: 4.0-30V; Detection Rate: 200 mS/Times;Accuracy: 3(+/- 1 word);Operating temperature: -10 ~ +65 C.
- Protection DesignReverse Polarity Protection,The meter won't burn out if reverse polarity is applied, but the screen will display nothing.
- Very High PrecisionThe precision automatic adjustment ,when less than 10V accurate to 0.01V, more than 10V accurate to 0.1V.
- Can be calibratedThe screw on the back can be tuned to calibrat,Turn clockwise to lower voltage.
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