CP TD12/15 User Manual
8 OMICRON
1.3 General
► CP TD12 and CP TD15 are collectively named CP TD12/15 if no specific device is referred to.
► Only use the CP TD12/15 on dry, solid ground.
► Never connect or disconnect a test object while the outputs are active.
► When connecting cables to a control cabinet, be aware of uninsulated live components. Adhere to
the safety instructions provided by the manufacturer.
► Make sure that the test object’s terminals which are to be connected to the CP TD12/15 do not carry
any voltage potential. During a test, the only power source for a test object may be the CP TD12/15.
► Do not insert objects (for example, screwdrivers, etc.) into any input/output socket.
When measuring the ratio of voltage and power transformers make sure that the test voltage is
connected to the corresponding primary winding, and that the voltage of the secondary winding is the
one that is measured. Accidentally mixing up the windings can generate life-threatening voltages within
the transformer.
Life-threatening voltages can be induced on open windings!
► Make sure that when testing a current transformer by feeding a test current into its primary winding,
all secondary windings are shorted.
► Do not operate the CP TD12/15 under ambient conditions that exceed the temperature, humidity and
altitude limits listed in the technical data.
► Do not operate the CP TD12/15 in the presence of explosives, gases or vapors.
► Opening the CP TD12/15 or its accessories without authorization invalidates all warranty claims. Any
kind of maintenance, calibration or repair on the device itself may only be carried out by persons
authorized by OMICRON.
► Stop using the CP TD12/15 or any add-on device or accessory if they seem not to function properly.
Prevent the use of the devices and call the OMICRON hotline.
1.4 Operating the measurement setup
Note: The CP TD12/15 works as an add-on device to the CPC 100, CPC 80, or TESTRANO 600 which
controls the measurement. In this manual, those devices are collectively named Control device if no
specific device is referred to. Do not connect the CP TD12/15 to any other device than the CPC 100,
CPC 80, or the TESTRANO 600.
► If you have a cardiac pacemaker, do not use the CP TD12/15! If you have another type of electronic
medical implant consult your doctor before operating the CP TD12/15. Make sure there is no person
with an electronic medical implant such as a cardiac pacemaker in the immediate vicinity.
► Before handling the CP TD12/15 in any way, connect its measurement ground terminal with the
supplied measurement ground cable to the ground terminal of the asset under test.
► Make sure that the ground terminal of the asset under test is in good condition, clean and free of
oxidation.
► Before disconnecting the asset under test from the CP TD12/15, ground all asset’s connections.
► Do not open the CP TD12/15 housing.
► Do not repair, modify, extend, or adapt the CP TD12/15 or its accessories.
► Use only the CP TD12/15 original accessories available from OMICRON.
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