4 digit 2 wire digital voltmeter
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4 DIGIT 2 WIRE DIGITAL VOLTMETER 3.5V-30V – 6V 9V 12V 24V BATTERY SOLAR INVERTER
Now get an accurate voltage display of your battery !
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This gadget displays battery voltage from a range of 3.5V to 30V DC….the 4 digit display gives a better accuracy for example a 12.35V is better than 12.3V display…it comes with 2 wires….the 2 wire system is easier to use as they draw their energy from the same source and also indicate its voltage….other 3 wire systems need a 3.5V supply for self power and the third wire indicates potential difference…
1. 4 or 5 x AA / AAA cell systems – 4 or 5 AA cells if used in series in toy’s or any other circuit will have a voltage of around 4V….this voltmeter can then indicate the amount of energy in the cells…
2. 6V battery – 6V batteries are used in solar lanterns, emergency lights…this circuit could be hooked to a 6V battery and indicate condition of the battery…7V would show battery is fully charged while less than 6V would mean battery is drained…
3. 9V – 9V systems power multimeters and various other measuring devices…this device could be used to test the strength of a 9V cell.
4. 12V battery – 12V batteries are the most commonly used batteries in car, trucks, motor cycles, inverter, UPS, solar based systems….to check the energy level of a 12V battery this device could come handy…a voltage of 13.20V means battery is fully charged while 11.50V means is fully drained….
5. 24V battery – Some high capacity inverter systems use 2 x 12V batteries…here again this device if indicates 26.40V would mean batteries are fully charged while 23.00V would mean battery is drained..
6. Battery monitoring in electric rickshaw – Battery powered electric 2 / 3 wheelers have 2,3,4 or 5 batteries connected in series to power 24V, 36V, 48V or 60V electric motors….to monitor the individual health of a 12V battery 2,3,4 or 5 such indicators could be hooked to every battery to monitor health of entire battery bank…
7. Button / Coin cell voltage can also be checked as they can measure up to 3.50V…
8. Mobile battery voltage can also be monitored as their voltage range is from 3.7V to 4.20V…
Size: 32mm x 16mm
Operating Temperature: -10 ~ 65 C
Measurement Accuracy: ± 3 ‰
Refresh rate: about 500ms
Display color: Red
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