ADInstruments AD2811 Manual page 13

● Unplug all Load
In order not to affect the measurement, it is avoided to unplug all load from the installation under test.
● Make a clear Sketch of measurement to be able to Interpret results.
● Check leads before using Tester.
The Leads Quality and Resistance is a factor influence the accuracy of the results make sure they are always in good
conditions.
9. Loop / PSC / Earth testing
Turn Instrument ON by pressing "ON / TEST". The L.C.D. display will come to the following Screen
Pressing "ON / Test" now will start the test. This Testing procedureis fully Automatic and Controlled by the Micro Processor
From this first results, you can scroll through the test results using the Test button.
Scroll through the results again, if the tester is not connected to the circuit under test or do a new test by connecting the
tester to the circuit under test.
If the circuit under test is open-circuit, the display will show "NO LINE".
Main Voltage is indicating the voltage between L – N
13