HI guys I just got a used Diamond sx 100 watt meter and it had no power cord. I have a wall wort from something a had befor its a AC/DC adaptor, model JXD120010-ip20 Input 120VAC 60Hz 0.28A Output 12V DC 100mA. Class 2 power supply 37NG....Do you think it well work ? I can find info on the meter just no info on the power cord and I was thinking somone out thar must have a meter like this one.