Gossen MetraWatt METRACAL MC, Operating Instructions Manual

Page: 10 / 84

10 GMC-I Messtechnik GmbH
Safety Precautions
Opening of Equipment / Repair
The equipment may be opened only by authorized service per-
sonnel to ensure the safe and correct operation of the equipment
and to keep the warranty valid.
Even original spare parts may be installed only by authorized ser-
vice personnel.
In case the equipment was opened by unauthorized personnel,
no warranty regarding personal safety, measurement accuracy,
conformity with applicable safety measures or any consequential
damage is granted by the manufacturer.
Repair and Parts Replacement
When the instrument is opened, voltage conducting parts may be
exposed. The instrument must be disconnected from the
measuring circuit before performing repairs or replacing of parts.
If repair of a live open instrument is required, it may only be car-
ried out by trained personnel who are familiar with the dangers
involved.
Defects and Extraordinary Strains
If it may be assumed that the instrument can no longer be
operated safely, it must be removed from service and secured
against unintentional use.
Safe operation can no longer be relied upon:
• If the device demonstrates visible damage
• If the instrument no longer functions, or if malfunctioning
occurs
• After long periods of storage under unfavorable conditions,
e.g. humidity, dust or extreme temperature (see
“Ambient Conditions” on page 73).
1.1 Use for Intended Purpose
• The multimeter is a portable device which can be held in the
hand during the performance of measurements.
• Only those types of measurements described in section 5 may
be performed with the measuring instrument.
• The measuring instrument, including measurement cables and
plug-on test probes, may only be utilized within the specified
measuring category (see section 9 and the table on page 8
regarding significance).
• Overload limits may not be exceeded. See technical data on
section 9 for overload values and overload limits.
• Measurements may only be performed under the specified
ambient conditions. See section 9 regarding operating
temperature range and relative humidity.
• The measuring instrument may only be used in accordance
with the specified degree of protection (IP code)
(see section 9).
Warning!
The instrument may not be operated in explosive
atmospheres, or connected to intrinsically safe electrical
circuits.