Precautions And Safety Measures - HT HT22D Bedienungsanleitung

1. PRECAUTIONS AND SAFETY MEASURES

The instrument has been designed in compliance with directive
IEC/EN61010-1 relevant to electronic measuring instruments. For your
safety and to prevent damaging the instrument, please carefully
follow the procedures described in this manual and read all notes
preceded by symbol
carrying out measurements,
instructions::
•
Do not carry out any measurement in humid
environments.
•
Do not carry out any measurements in case gas,
explosive materials or flammables are present, or in
dusty environments.
•
Avoid any contact with the circuit being measured if
no measurements are being carried out.
•
Avoid any contact with exposed metal parts, with
unused measuring probes, circuits, etc.
•
Do not carry out any measurement in case you find
anomalies in the instrument such as deformation,
breaks, substance leaks, absence of display on the
screen, etc.
•
Pay special attention when measuring voltages
higher than 20V, since a risk of electrical shock exists
•
The meter has been designed for use in places with
pollution class 2
•
Do not take measurements on circuits exceeding the
specified voltage and current limits
•
The meter measures CURRENT and VOLTAGE on
CAT III 600V plants. For measurement categories
please see § 1.3
•
Do not use on systems exceeding the limit values
specified in technical specifications of user manual
•
Only the accessories provided with the instrument
guarantee compliance with safety standards. They
must be in good conditions and must be replaced, if
necessary, with identical models
•
Make sure that the batteries are installed correctly.
•
Before connecting the test probes to the installation,
check that the function selector is positioned on the
required measurement.
•
Make sure that the LCD and the range indicator show
the same as the function desired
24
with the utmost attention. Before and after
carefully observe
CAUTION
HT22D
the following