I’ve had the voltage at various levels, but for the particular test I was doing, I had it at around 12 volts. As far as the no-load calibration, I’ve been able to enter no load calibration, but not get the ammeter to change value at all, so I gave up on the calibration.

I just went to my workshop, and rechecked, and found if I adjusted the circuit, and raised the current to over .04 amps, the ammeter on the converter would start registering. It’s simply showing a current about 30 milliamps lower than what my multimeter reads.

The no-load calibration shows a constant current of .01 amps, and pressing SET and ENT has no effect on the display.

I tried calibrating no-load current when I first received the unit, and after the “no display”.

I’m attaching images of the display, with a multimeter in the circuit.

The first shows the converter displaying 0.00 amps. My meter is displaying about milliamps. By this time, the converter meter SHOULD be showing 0.03. In the second image, I’ve boosted the current to 39+ milliamps, and the converter meter just begins showing 0.01 (10 milliamps). So it appears to be off by almost 30 milliamps.

As I stated above, I calibrated no load current, with no load, as per the instructions. However, I would appreciate it if you would attempt to give me slightly more in depth instructions on calibration. The documentation is very brief. Pretend I’m a 5 year old, and explain it. 🙂

I’ve sent the images attached on my prior post to the email address specified.

Furthermore, I’ve gone into no-load calibration mode per the instructions, and the current meter reads 0.01. Pressing “SET” or “ENT” as the instructions specify does nothing.