ماژول ولتمتر DC 0-99.9V سایز 0.36 اینچ(قرمز)

 description:

     White line: The measured voltage positive
     Red line: then the positive working power supply
     Black line: public negative

     The voltage meter with 0.36-inch digital display, with ultra-small size, the area is only similar to a coin. Measuring range of DC 0-99.9V, the need to use an external power supply, power supply voltage 4.5-30V (no regulator). Use should be careful not to mistake the line or positive and negative reversed, or instantaneous that is burned! . Can be used for various voltage measurement purposes.
    

     Dimensions 20x20x11mm (without mounting ears)
     Refresh rate of about 500mS / times
     The lowest input DC0V
     Power supply DC4.5-30V (no voltage regulator)
     The maximum input DC99.9V
     Measuring range DC0-99.9V
     Permissible error 1% (+/- 1 word)
     Display color Red Green Blue Optional
     Display three 0.36 "LED digital tube
     Working temperature -10 ℃ ~ 65 ℃