How To Check A Solar Panel With A Multimeter

You will want to ensure that you place the positive to positive and negative to negative when attaching your multimeter to the connection on the back of your solar panel.

How to check a solar panel with a multimeter. To test a 18v solar panel voltage output directly put your solar panel in direct sunlight set your multi meter to the dc volts setting. As most solar panels are 12 volts the solar panel test methods are basically the same. A current measurement like this is the equivalent of a short circuit across the output of the cell so don t keep it like this any longer than you have to. Tilt the solar panel in order for your solar panel to have full sunlight exposure.

You then need to touch your solar panel to the multimeter probe. Touch the multi meter s red positive lead to your solar panel s positive wire. Set multimeter to dc. Measure at higher volts than what your panel is approved for.

The next step is to connect the black probe to the com labelled port and the red probe to the v ma labelled port. Attach the meter to the positive and negative terminals on the solar panel and make sure the panel is properly exposed to sunlight. Set the meter to above 200 vcd to ensure you get the most accurate reading possible. How to test a solar panel voltage and current duration.

Harold jackson 49 876 views. If it s not there is a problem with your solar panel output. Some exceptions may apply based on panel type. Record the result then set the meter back to voltage measurement.

For example if your solar panel is 20 volts rated your digital multimeter should be set to a reading of 200 volts for an accurate reading. Then touch the multi meter s black negative lead to your solar panel s negative wire. Simply touch the solar panel leads with the multi meter probes matching their corresponding polarity red to red black to black. Step 3 measure current.

How to use a digital multimeter test meter duration. As long as the amp meter is rated higher than the solar panel you will be able to measure the output effectively. The volt reading on your multi meter should be close to or just under 60 volts. Make sure that you are measuring at the suitable voltage level for a solar panel.