Socket & See PDL PRO Instruction Manual & Specification page 5

3.1 Battery Installation
Unit requires 4 x AA batteries.
Ensure that all test leads are removed before installing batteries. Remove
the rubber over mould and battery cover on the reverse of the unit. Install
the new batteries ensuring correct polarity as indicated. After installing
batteries and before use ensure the battery cover and over mould are
correctly fitted, switch on the unit and check for correct operation.
Dispose of used batteries as per the local authorities guidelines.
3.2 Operation
Loop No Trip L-E
This is a three wire test to measure Zs where the circuit is protected by a
RCD. Where possible, non-essential electrical equipment should be
disconnected to reduce the chance of the RCD tripping as a result of
leakage build up.
Turn the rotary dial to the Loop No Trip L-E position. Allow the tester to
conduct a self test and check the incoming voltage and polarity. Voltage
L-N will be displayed and Volts Present LED will illuminate green. Push
TEST. Loop result will be displayed with voltage L-N.
Loop High Current L-E
This High current test is used to measure Ze at the distribution board
downstream of any RCD or Zs, where the circuit is not protected by a RCD.
Turn the rotary dial to the Loop High L-E Position. Voltage L-N will be
displayed and volts present LED will illuminate green if conditions are
correct. Push TEST. Loop result will be displayed with Voltage L-N.
High Resolution L-E / L-N
These High current tests are used to measure Ze or Zs, where the circuit is
not protected by an RCD. Results will be displayed to 1 mΩ resolution.
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