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0.28 Inch 3-in-1 Time + Temperature + Voltage Display with NTC DC7-30V Voltmeter Electronic Watch Clock Digital Tube


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                  Reverse does not burn, the number does not shake
                  Digital tube: 32 x 10 x 13mm (L x W x H)
                  Board: 35 x 16mm
                  Power supply: 7-30V, high brightness LED digital tube
                  Color: red, blue, green, yellow (optional)
                  4 display modes: 1: Display time only 2: Display temperature only 3: Display voltage only 4: Time temperature voltage is alternately displayed.

                  1. The difference between 33v and 200v is that the maximum measurement voltage is different. Car battery 12v can select 33v, and electric vehicle can select 200v.
                  2. 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.
                  Voltage R ange: 0-33V, error +-0.02V
                  R ange: 0-200V, error +-0.1V
                  Power supply 7-30V. Two r anges are available.
                  Temperature -50 ° C ~ 125 ° C, NTC probe, extension line 1 m, waterproof. Accuracy 0.0625, no calibration required.
                  Time 24-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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