Manual

Gossen Metrawatt GmbH 5
1 Safety Instructions
Observe this documentation, in particular all included safety infor-
mation, in order to protect yourself and others from injury, and to
prevent damage to the instrument.
• Carefully and completely read and adhere to these operating
instructions, as well as the instrument’s condensed operating
instructions.
The respective documents can be found at http://www.gossen-
metrawatt.com. Retain these documents for future reference.
• Tests/measurements may only be performed by a qualified
electrician, or under the supervision and direction of a quali-
fied electrician. The user must be instructed by a qualified
electrician concerning performance and evaluation of the
tests/measurements.
• The multimeter may only be operated by persons who are
capable of recognizing touch hazards and taking the appro-
priate safety precautions. Touch hazards in accordance with
the standard prevail anywhere, where dangerous voltages
may occur. Avoid working alone when taking measurements
which involve touch hazards. Be certain that a second person
is present.
• Observe and comply with all safety regulations which are
applicable for your work environment.
• Wear suitable and appropriate personal protective equipment
(PPE) whenever working with the instrument.
• Use only the specified accessories (included in the scope of
delivery or listed as options) with the instrument.
• Carefully and completely read and adhere to the product doc-
umentation for optional accessories. Retain these documents
for future reference.
• Use the instrument in undamaged condition only.
• Inspect the instrument before use. Pay particular attention to
damage, interrupted insulation or kinked cables.
• Damaged components must be replaced immediately.
• Accessories and cables may only be used as long as they’re
fully intact.
• Inspect accessories and all cables and before use. Pay partic-
ular attention to damage, interrupted insulation or kinked
cables.
•If the instrument or its accessories don’t function flawlessly,
permanently remove the instrument/accessories from opera-
tion and secure them against inadvertent use.
• If the instrument or accessories are damaged during use, for
example if they’re dropped, permanently remove the instru-
ment/accessories from operation and secure them against
inadvertent use.
• Do not use the instrument and its accessories after long peri-
ods of storage under unfavorable conditions (e.g. humidity,
dust or extreme temperature).
• Do not use the instrument and its accessories after extraordi-
nary stressing due to transport.
• Only use the instrument and its accessories within the limits of
the specified technical data and conditions (ambient condi-
tions, IP protection code, measuring category etc.).
• Do not use the instrument in potentially explosive atmo-
spheres.
• The instrument must not be exposed to direct sunlight.
• The instrument and the accessories may only be used for the
tests/measurements described in the documentation for the
instrument.
• Maximum permissible voltage between the voltage measuring
sockets or all connector sockets and ground is 1000 V for
measuring category IIIand 600 V for measuring category IV.
• The multimeter may only be operated with installed recharge-
able battery pack or mains module. Dangerous current and
voltage are otherwise not indicated! The instrument may also
be damaged.
• Weak (undercharged) battery: Do not perform any safety-rele-
vant measurements if the “battery low” symbol appears in the
battery display. Moreover, compliance with the specified data
is no longer assured when the battery is weak.
• Be prepared for the occurrence of unexpected voltages at
devices under test (e.g. defective devices). For example,
capacitors may be dangerously charged.
• Do not perform any measurements in electrical circuits with
corona discharge (high-voltage).
• Dangerous pulsating voltages in HF electrical circuits! Use
caution when performing measurements there.
• Do not use the instrument if the fuse cover has been
removed. Touch contact with dangerous voltage is otherwise
possible.
• The instrument is equipped with fuses. The instrument may
only be used as long as the fuses are in flawless condition.
Defective fuses must be replaced.
• Plugging in the measurement cables must not necessitate any
undue force.
• Never touch conductive ends (e.g. of test probes).
• Fully unroll all measurement cables before starting a test/mea-
surement. Never perform a test/measurement with the mea-
surement cable rolled up.
• Ensure that alligator clips, test probes or Kelvin probes make
good contact.
•The instrument is equipped with a Bluetooth
®
module. Deter-
mine whether or not use of the implemented frequency band
of 2.402 to 2.480 GHz is permissible in your country.
• Always create a backup copy of your measurement data.
Battery Pack
The instrument is powered by a rechargeable battery pack.
Observe the following points for this reason:
• Carefully and completely read and comply with the “supple-
mentary safety information sheet” for the Z270A or Z270G
battery pack (3-349-997-15 or 3-447-030-51).
The manufacturer’s safety data sheet is included with the sup-
plementary sheet. Read and comply with this supplementary
sheet as well.
• The battery pack may not be exposed to direct sunlight
(whether it’s inside or outside of the instrument).
• Only charge the battery pack within a temperature range of
10 to 45 °C.
• Only store the battery pack within a temperature range of
-20 to 50 °C.
• Only operate the battery pack within a temperature range of
-10 to 50 °C.
• Risk in case of full depletion: In some cases it’s no longer pos-
sible to recharge a fully depleted battery pack (immediate fail-
ure), in which case it must be replaced. Full depletion may
also result in a shortened service life.
In order to prevent full depletion, charge the battery pack at
the mains at least once a year, but preferably at more fre-
quent, regular intervals.
• Transporting the battery pack:
Observe the “supplementary safety information sheet” for the
Z270A or Z270G battery pack (3-349-997-15 or
3-447-030-51)!