It is a great meter and has a lot of features like PC connection and data logging including Bluetooth for only $55.99 with Prime shipping. Yes it is fun to get more out of your meter, ...

I have a nearly new Metex ME-21 DMM for sale. I paid $69 for it and it has only been used a couple of times. It measures AC and DC voltage, AC and DC current, resistance, capacitance, and ...

Power on the computer. The multimeter should read between 11 and 12 volts. If it's too high or too low, the power supply is failing and needs to be replaced. Test pin 12 as well.