Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week
Pros:
Bright and easily readable. Blue display. Needs about 4 volts to operate. Connect the red wire to plus, black to minus, and the third one to the source you with to measure. I will built this voltmeter into my DC power source which I use in my amateur electr...
Cons:
Could use a manual, at least power voltage could have been stated. Not a con really, just a minor gripe.
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
Pros:
Nice Size (wrong Size in discription) - Easy to connect, the reference voltage is up to 30 Volt. Blue light is easy to see in daylight.
Easy to attach, small ears to skrew in the case.
Cons:
There is no description of how to connect the wires. But red is positive, black is negative and blue is reference. If you do no...
posted by djherceg on 05/10/2013 Certified Owner
Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week