Super simple to install, simply connect the power you want to monitor! Some panel meters require a power source in addition to a sensor wire to the source you want to monitor. These units connect straight up, with no fuss! Suitable for use between 4.5V and 30VDC, they’re suitable for many DC applications including cars, boats, caravans, and other 12-24V sources. However their wide measurement range means they can be applied to many other applications too! Red coloured display. Panel mount with self-retaining spring clips.
Technical parameters:
Measuring range: Red DC4.50-30.0V
Power supply range: no need for additional power supply, directly use the measured voltage as a power supply, the range is the same as above
Limit input: DC30.0V. Note: Input voltage higher than 30V May be permanently damaged!
Allowable error: soil 1%;
Input impedance: > 100K ohm
Working current: red < 23mA
Refresh rate: about 300mS- times
Display mode: three "0.56"LED digital tube
Display color: Red
Lead length: 20cm
Dimensions: 48x 29x22 mm
Hole size: 46x 27 mm
Net weight: 18g
Gross weight: 25g
Operating temperature: -20C~65C
Measuring range: Red DC4.50-30.0V
Power supply range: no need for additional power supply, directly use the measured voltage as a power supply, the range is the same as above
Limit input: DC30.0V. Note: Input voltage higher than 30V May be permanently damaged!
Allowable error: soil 1%;
Input impedance: > 100K ohm
Working current: red < 23mA
Refresh rate: about 300mS- times
Display mode: three "0.56"LED digital tube
Display color: Red
Lead length: 20cm
Dimensions: 48x 29x22 mm
Hole size: 46x 27 mm
Net weight: 18g
Gross weight: 25g
Operating temperature: -20C~65C
DC Voltage Ranges:4.0V,30.0V
DC Voltage Accuracy:1% %
Self-Powered Red LED Voltmeter
(1)
$15.95
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$13.95 / unit
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$12.45 / unit
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dont buy
wires are very badly soldered and came off the board extremely easily reading is also aprox 0.8v off which is very annoying also i feel like the price is a rip off for what it is
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