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UMG 511
Service and Maintenance
The device is subjected to different safety tests
before delivery and marked with a seal. If a device
is opened, the safety tests have to be repeated. A
guarantee is only provided for unopened devices.
Repair and Calibration
Repair work and calibration can only be underta-
ken by the manufacturer.
Front film
Cleaning the front film can be done with a soft
cloth and domestic detergent. Acids and products
containing acids may not be used for cleaning.
Battery
The internal clock is fed from the supply voltage.
If the supply voltage fails, the clock is supplied by
the battery. The clock provides the date and time
information, e.g. for recordings, minimum and ma-
ximum values and events.
The expected battery life is at least 5 years at a
storage temperature of +45°C. The typical battery
life is 8 to 10 years.
The device must be opened to exchange the bat-
tery. If the device has been opened, a new safety
test is required for safe operation. A guarantee is
only provided for unopened devices.
Disposal
The UMG511 can be recycled as electronic scrap
in accordance with the legal regulations. The
fixed, integrated lithium battery must be disposed
of separately.
Firmware update
If a firmware update has to be carried out for your
UMG511, you can do this with the GridVis soft-
ware.
Service
Should any questions arise that are not described
in this handbook please contact the manufacturer
directly.
We will require the following compulsory details
from you for processing:
• Device name (refer to label),
• Serial number (refer to label),
• Software release (refer to measurement value
display),
• Measurement voltage and supply voltage,
• Precise error description.