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056 Inch 200V 3 in 1 Time Temperature Voltage Fahrenheit Display DC7 30V Voltmeter Electronic Watch Clock Digital TFeature Reverse does not burn the number does not shakeDigital tube 61 x 29 x 17 5mm L x W x H Installation size 58 x 26 x 17 5mm L x W x H Power supply DC7 30V high brightness LED digital tubeLight Color red blue green yellow optional Shell Color BlackMeasuring Voltage DC0 200V4 display modes 1 Display time only 2 Display temperature only 3 Display voltage only 4 Time temperature voltage is alternately displayed Note Three in one table temperature sensor line defaults 1 meter can not be extended will affect the accuracy of time after extension please think twice VoltageRange DC0 200V error 0 1VPower supply 7 30V Temperature 50C 125C DS18B20 probe extension line 1 m waterproof Accuracy 0 0625 no calibration required Time24 hour system clock chip accuracy of 15ppm with power off memory function accurate time Key setting Button 1 Short press to select the clock second voltage temperature display mode Press and hold to display ALL enter the time voltage temperature tracking mode with an interval of 5 seconds Press the button again to exit the mode Button 2 Short press to adjust time minute flashing and press one button to adjust Press button 2 again to exit the adjustment mode Remarks Adjust minutes the clock will stop after exiting and press the button to start walking Package includes 1 x Voltmeter
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