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1. Introduction
Dear customer,
Thank you for purchasing this product.
This product complies with the statutory national and European requirements.
To maintain this status and to ensure safe operation, you as the user must observe these operating instructions!
These operating instructions are part of this product. They contain important notes on commissioning and
handling. Also consider this if you pass on the product to any third party. Therefore, retain these operating
instructions for reference!
If there are any technical questions, please contact: www.conrad.com/contact
2. Explanation of symbols
The symbol with the lightning in the triangle is
used if there is a risk to your health, e.g. due to
an electric shock.
The symbol with the exclamation mark in
the triangle is used to indicate important
information in these operating instructions.
Always read this information carefully.
The arrow symbol indicates special information
and advice on operation.
This device is CE-compliant and meets
applicable European directives.
Protection class 2 (double or reinforced
insulation, protective insulation).
Earth ground
CAT I
Measuring category I for measurements on
electrical and electronic devices that are not
directly supplied with mains voltage (e.g.
battery-powered devices, protective low
voltages, signal and control voltages, etc.).
CAT II Measuring category II for measurements on
electrical and electronic devices connected to
the mains supply directly with a mains plug.
This category also covers all lower categories
(e.g. CAT I for measuring signal and control
voltages).
CAT III Measuring category III for measuring in
building installations (e.g. outlets or sub-
distribution). This category also covers all
lower categories (e.g. CAT II for measuring
electronic devices). Measuring operation
in CAT III is only permitted with measuring
probes with a maximum free contact length of
4 mm or with cover caps above the measuring
probes.