Instruments By xcluma

• Range: DC4.5V-30V (No need aditional power) Display: Three 0.56'' LED digital tube Display color: RED
• Refresh rate: about 500mS / times Input: DC voltage (<2 times the range) The voltmeter wiring is simple, only need to pick two lines, the table reversal protection, reverse does not burn.
• Reverse Connect Protection. The voltmeter start with the price of two-wire voltmeter voltage is the lowest anywhere in the world. This will greatly facilitate the use of the lithium battery, 18650 battery users. When the voltage is lower than 4.5V, the display brightness diminishes, but does not affect the correct measurement.
• In order to achieve optimum measurement accuracy, the voltmeter will be different according to the measured voltage automatically move the decimal point position.

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