Introduction
Thank you for selecting the Extech Model CB20
with proper use, will provide years of reliable service. Please visit our website (www.extech.com)
to check for the latest version of this User Guide, Product Updates, and Customer Support.
Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must refer to the
manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal use, hazardous voltages
may be present
Double insulation
Safety Note
Remove the battery if the device is to be stored for longer than 60 days.
Cautions
If the equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
This product is designed for use by suitably qualified personnel familiar with electrical
supply systems.
Before using this product, read these instructions and safety warnings. Failure to comply
with the safety warning or use of the unit in a manner not specified may result in serious
injury or damage to equipment.
Use in dry conditions
Before use test that unit is functioning correctly.
WARNING
:
Refer all indicated problems to a qualified electrician.
. This device is shipped fully tested and calibrated and,
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CB20-EU-EN-V1.2
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