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Mini Panel Meter, 3 Wire, 100VDC

Mini Panel Meter, 3 Wire, 100VDC

32321-large.jpg  32321-1.jpg  360-3D.jpg 
Stock No: 32321 ME
 Review Average:  
 Number of Reviews: 2
 View ReviewsReview this item
$3.95
Special Pricing
 Buy 10  for $2.59 each


Availibilty: In Stock   Units: 142
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 Detailed Description
Requires a separate Power Supply
3 digit LED panel Voltmeter
For + Voltage only;
Note: Power & Input Share the Common Black lead
Black Wire: Power Supply - & Input -
Red Wire: Power Supply + 3 to 30VDC
White Wire: + Input
Supply Voltage: 2.5-30VDC
Metering Input Range: 0-100VDC (99.9V)
Resolution: .1V
Character Height: .28"
2 screw mounting.
Cutout: 22.5 X 10.5mm
6in. leads
W: 33mm O/A H: 11mm D: 9mm WT: .012

 Product ReviewsClick here to review this item
Which resistor to short out?
I see a 330k, a 2.2k, and a 12k. Which one should be shorted to change the range to 0.00 - 9.99v?
Mike Huddleston
 
Versatile, easy to use
I bought a bunch of these because of the three-wire configuration; I wanted to measure voltages other than the supply, which shared a common ground. Theyre very compact; only the mounting tabs stick out beyond the area of the display itself. Theyre very easy to use, of course, and also easy to mount. I wanted a somewhat dressier look, so I 3D-printed bezels to allow them to mount neatly through a rectangular hole in the sheet metal panel with no exposed hardware. Unlike other units of this type, the LED segments in these are surrounded by a black background, so no extra smoked lens in necessary for good contrast in bright lighting. I also modified some of the units to display 0 to .999 volts, rather than the 0 to 99.9 volts theyre designed for. This was very easy, requiring only that a single surface-mount resistor be replaced with a wire jumper, and also had the side effect of increasing the range on the on-board calibration trimmer. These are great little units, especially at the price. I have taken to scattering them throughout projects Im working on, so I can monitor voltages at various points in real time during development.
- Mark Moulding, CA
 




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