TESTO 770 User Manual

3 Safety instructions
5
• Prevent the instrument from being exposed to extreme heat by direct
prolonged sunlight. This is the only way to ensure that the instrument
funcons perfectly and has a long service life.
• If the instrument needs to be opened, this should only be carried out by an
expert. Before being opened, the instrument must be switched o and
isolated from all electrical circuits. If you need to open the baery cover,
disconnect the test leads before opening the baery cover.
• Maintenance work that is not described in this documentaon must only be
carried out by trained service technicians.
• If the instrument is modied in any way, operaonal safety can no longer be
guaranteed.
• Modicaons or alteraons to the instrument will result in warranty or
guarantee claims against the manufacturer.
• It is not permied to use the instrument in an explosive environment.
• Before and aer use, always check that the instrument is in peak working
order. To do this, test the instrument at a known current source.
• The clamp meter is a portable measuring instrument, suitable for
electromagnec environment for portable equipment or basic
electromagnec environment.
High-frequency electromagnec elds (HF) can inuence the measurement
result and result in the wrong informaon being displayed. This inuence is
temporary and will not damage the measuring instrument in any way. As
soon as the measuring instrument is removed from the inuencing HF eld,
its original accuracy will be re-established. Known sources of these high-
frequency electromagnec elds are radio or mobile telephony equipment,
for example. If this type of equipment should inuence the measuring
instrument, switch it o or increase the distance between the equipment and
the measuring instrument.
• The instrument must not be used while its baery compartment is open.
• Baeries must be checked before use and changed if necessary.
• Storage areas must be dry.
• If there is any baery leakage, the instrument must no longer be used unl it
has been checked by our Customer Service.
• The baery acid (electrolyte) is highly alkaline and electrically conducve.
Risk of acid burn! If the baery acid comes into contact with your skin or
clothing, thoroughly rinse the areas aected immediately with plenty of
water. If baery acid gets into your eyes, rinse them immediately with plenty
of water and seek medical advice.

TESTO 770 Specifications

General

Brand	TESTO
Model	770
Category	Measuring Instruments
Language	English