Fluke CNX 3000 Calibration Manual page 11

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Examine the case before you use the Product. Look for cracks or
missing plastic. Carefully look at the insulation around the
terminals.
Use only correct measurement category (CAT), voltage, and
amperage rated probes, test leads, and adapters for the
measurement.
Do not use test leads if they are damaged. Examine the test leads
for damaged insulation, exposed metal, or if the wear indicator
shows. Check test lead continuity.
Keep fingers behind the finger guards on the probes.
Do not touch the probes to a voltage source when the test leads are
connected to the current terminals.
Replace a blown fuse with exact replacement only for continued
protection against arc flash.
Remove the batteries if the Product is not used for an extended
period of time, or if stored in temperatures above 50 °C. If the
batteries are not removed, battery leakage can damage the Product.
Batteries contain hazardous chemicals that can cause burns or
explode. If exposure to chemicals occurs, clean with water and get
medical aid.
Connect the common test lead before the live test lead and remove
the live test lead before the common test lead.
Remove all probes, test leads, and accessories that are not
necessary for the measurement.
Do not use the TL175 or TP175 test probes in CAT III or CAT IV
environments without the probe tip fully extended and correct
category rating visible in the window.
When the TL175 is used with instruments or other accessories, the
lowest category rating of the combination applies. One exception is
when the probe is used with the AC172 or AC175.
Make sure test leads are firmly connected to instrument and
other accessories.
Wireless Multimeter
Safety Information
3

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