4. Safety Information
Please read the entire operating instructions before using the product for the first time; they con-
tain important information on how to operate the device correctly.
The guarantee/warranty will expire if damage is incurred resulting from non-compliance with the
operating instructions! We do not assume any liability for consequential damage!
We do not assume any liability for property damage and personal injury caused by improper use or
non-compliance with the safety instructions! In such cases the warranty/guarantee will expire.
This device left the manufacture's factory in safe and perfect condition.
The user must observe the safety instructions and warnings contained in these operating instructions to preserve this
condition and to ensure safe operation.
Observe the following symbols:
An exclamation mark in a triangle shows important notes in these operating instructions that must be strict-
ly observed.
The triangle containing a lightning symbol warns against danger of electric shock or impairment of the
electrical safety of the device.
The "arrow" symbol indicates that special advice and notes on operation are provided.
This device is CE-compliant and meets the necessary European directives.
Protection class 2 insulation (double or reinforced insulation)
CAT II
Overvoltage category II for measurements on electric and electronic devices connected to the mains sup-
ply with a mains plug. This category also covers all lower categories (e.g. CAT I for measuring signal and
control voltages).
CAT III
Overvoltage category III for measuring in building installation (e.g. outlets or sub-distribution). This catego-
ry also covers all lower categories (e.g. CAT II for measuring electronic devices).
CAT IV
Overvoltage category IV for measuring at the source of the low-voltage installation (e.g. main distribution,
house-transfer points of energy providers, etc.) This category also contains all lower categories.
Earth potential
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