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Fluke 1520
Users Manual
12
Auto-Shut-Off
The Meter automatically turns off after 15 minutes of non-use. In Lo Ohms mode, the meter
turns off after 5 minutes of non-use. To turn the meter back on, turn the rotary switch to
OFF, then to the desired function.
Measuring Insulation Resistance
Warning
• Measuring insulation resistance requires the application of potentially
dangerous voltages to the circuit. This may include exposed bonded
metalwork.
• Before proceeding, ensure that the installation is correctly wired and no
personnel are endangered by any tests.