GB
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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.
These condensed operating instructions and the detailed operat-
ing instructions should be made available to all users.
General
• Tests/measurements may only be performed by a qualified
electrician, or under the supervision and direction of a qualified
electrician. The user must be instructed by a qualified electri-
cian concerning performance and evaluation of the tests/meas-
urements.
• Observe the five safety rules in accordance with
DIN VDE 0105-100 Operation of electrical installations – Part
100: General requirements
(1. Shut down entirely. 2. Secure against restart. 3. Assure
absence of voltage at all poles. 4. Ground and short circuit. 5.
Cover neighbouring live components, or cordon them off.)
• Observe and comply with all safety regulations which are appli-
cable for your work environment.
• Wear suitable and appropriate personal protective equipment
(PPE) whenever working with the instrument.
• The functioning of active medical devices (e.g. pacemakers,
defibrillators) and passive medical devices may be affected by
voltages, currents and electromagnetic fields generated by the
instrument and the health of their users may be impaired.
Implement corresponding protective measures in consultation
with the manufacturer of the medical device and your physician.
If any potential risk cannot be ruled out, do not use the instru-
ment.
Accessories
• 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 docu-
mentation for optional accessories. Retain these documents for
future reference.
Handling
• 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 before use. Pay particular
attention to damage, interrupted insulation or kinked cables.
• If the instrument or its accessories don't function flawlessly,
permanently remove the instrument/accessories from operation
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.
• If there are any signs of interior damage to the instrument or
accessories (e.g. loose parts in the housing), permanently
remove the instrument/accessories from operation and secure
them against inadvertent use.
• The instrument and the accessories may only be used for the
tests/measurements described in the documentation for the
instrument.
• The integrated voltage measuring function and mains check
may not be used to test systems or system components for the
absence of voltage.
Testing for the absence of voltage is only permissible with a
suitable voltage tester or voltage measuring system which fulfills
the requirements specified in DIN EN 61243.
Gossen Metrawatt GmbH
Operating conditions
• 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.
• The instrument must not be exposed to direct sunlight.
• Only use the instrument and its accessories within the limits of
the specified technical data and conditions (ambient conditions,
IP protection code, measuring category etc.).
• Do not use the instrument in potentially explosive atmospheres.
Rechargeable batteries
• If the charger is used, only the rechargeable battery pack
(Z502H/Z502O) may be fitted in the instrument.
• Do not use the instrument while the rechargeable battery pack
(Z502H/Z502O) is being charged.
• Do not use the instrument if the battery compartment cover has
been removed.
Touch contact with dangerous voltages is otherwise possible.
• The rechargeable battery pack (Z502H/Z502O) may only be
charged in undamaged condition.
Inspect the rechargeable battery pack (Z502H/Z502O) before
use. Pay particular attention to leaky and damaged batteries.
Fuses
• 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. See detailed operating
instructions
Measurement cables and establishing contacts
• 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/meas-
urement. Never perform a test/measurement with the measure-
ment cable rolled up.
• Avoid short-circuits due to incorrectly connected measurement
cables.
• Ensure that alligator clips, test probes or Kelvin probes make
good contact.
Data security
• Always create a backup copy of your measurement data.
• Observe and comply with the applicable national data protec-
tion regulations. Use the corresponding functions provided by
the instrument such as access protection, as well as other
appropriate measures.
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