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DL9120
DL9130EV
Multifunction
installation tester
Operating Instructions
Revision 1.2

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Summarization of Contents

Accessories
Standard Accessories
Lists items supplied with the DL9120 / DL9130EV unit, including leads, case, and manual.
Unit Description
Identifying Parts of the DL9120/DL9130EV
Identifies key components of the DL9120/DL9130EV unit, referencing Figure 1, including the rotary switch and test lead inputs.
LCD Display
Describes the functions and indicators shown on the instrument's LCD screen.
Using the DL9120 / DL9130EV
Power On
Explains how to turn the DL9120 / DL9130EV on and its backlight functionality.
Remote Probe Operation
Describes the function and use of the remote probe included with the DL9130EV model.
Continuity Tests
Details how to perform continuity tests, including buzzer and lead zero functions.
Insulation Resistance Tests
Details procedures for performing insulation resistance measurements safely and effectively.
Voltage Measurement and Phase Rotation
Explains how to measure voltage and determine phase rotation using the instrument.
Earth Loop Impedance and Line Impedance
Details single-phase measurements for Earth Loop Impedance and Line Impedance.
Three Phase Line Impedance
Describes the procedure for performing three-phase line impedance measurements.
Non-Trip Earth Loop Impedance
Explains how to perform non-trip Earth Loop Impedance tests and associated error conditions.
Auto RCD Test Sequence
Outlines the automatic sequence for performing RCD trip time tests.
Auto EV Test Sequence (DL9130EV only)
Details the automatic test sequence for EV charging points, including RDC-DD.
RCD Trip Time Tests (x1/2, x1 and x5)
Explains how to perform RCD trip time tests at different current multiples (0.5x, 1x, 5x).
RCD Variable Mode
Describes how to set up and perform RCD tests with variable trip current settings.
RCD Trip Current (Ramp) Tests
Details how to perform RCD ramp tests to find the trip current.
Warning and Test Active Indications
Explains various icons and indications used during tests on the DL9120 / DL9130EV.
Electrical Specifications
Earth Continuity Specifications
Provides detailed electrical specifications for Earth Continuity tests.
Insulation Resistance Specifications
Lists the electrical specifications for Insulation Resistance measurements.
Earth Loop Impedance Specifications
Details the electrical specifications for Earth Loop Impedance measurements.
Line Impedance Specifications
Provides electrical specifications for Line Impedance measurements.
RCD Specifications
Lists electrical specifications related to RCD testing.
RDC-DD Specifications (DL9130EV only)
Details electrical specifications for RDC-DD tests on the DL9130EV.
Voltage and Frequency Measurement Specifications
Provides electrical specifications for voltage and frequency measurements.
Maintenance
Preparing for Maintenance
Steps to prepare the instrument before performing maintenance or opening it.
Securing the Instrument
Conditions under which safe operation is no longer assumed and the instrument should be secured.
Cleaning the Instrument
Instructions for cleaning the external case and battery contacts of the instrument.
Battery Replacement
Step-by-step guide for replacing the batteries in the DL9120 / DL9130EV.
Replacing the Fuse
Instructions on how to safely replace the fuse in the instrument.
Service and Calibration Recommendations
Recommends regular recalibration for maintaining accuracy.
Spare Parts and Contact Information
Lists available spare parts and contact details for service and advice.

Table of Contents