Table of Contents
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Introduction
Congratulations on your purchase of Extech's Insulation Tester/Megohmmeter. The Model
380260 provides three test ranges plus continuity and AC/DC voltage measurement. A handy
test lock feature and a data hold function are also included. This professional meter, with
proper care, will provide years of reliable service.
Safety
1.
Circuits under test must be de-energized and isolated before connections are made
(except for voltage measurements).
2.
Circuit connections must not be touched during a test. Use extreme caution when
working near bare conductors and bus bars. Accidental contact with conductors could
result in electrical shock.
3.
Use caution when working near voltages above 60VDC or 30VACrms.
4.
After insulation tests, capacitors must be discharged.
5.
Test leads (including alligator clips) must be in good working order, clean and without
broken or cracked insulation.
6.
When servicing, use only specified replacement parts.
International Safety Symbols
Caution, refer to this manual before using this meter
Dangerous Voltages
Meter is protected throughout by double or reinforced insulation
Meter Description
1. LCD Display
2. Hold Button
3. Test Button
4. Rotary Switch
5. Backlight Button
6. Lock Button
7. Input Terminals
2
Model 380260 Version 2.2 1/08
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