The DKM-401 is a low cost precision instrument
designed to display various AC parameters in a 3-
phase distribution panel.
* Electrical equipment should be installed only by
qualified specialist. No responsibility is assured by
the manufacturer or any of its subsidiaries for any
consequences resulting from the non-compliance
to these instructions.
* Check the unit for cracks and damages due to
transportation. Do not install damaged equipment.
* Do not open the unit. There is no serviceable
parts inside.
* Fuses of fast type (FF) with a maximum rating of
6A must be connected to the power supply and
phase voltage inputs, in close proximity of the
unit.
* Disconnect all power before working on
equipment.
* When the unit is connected to the network do
not touch terminals.
* Short circuit terminals of unused current
transformers.
* Any electrical parameter applied to the device
must be in the range specified in the user manual.
* Do not try to clean the device with solvent or the
like. Only clean with a dry cloth.
* Verify correct terminal connections before
applying power.
* Only for front panel mounting.
Before installation:
Read the user manual carefully, determine
the correct connection diagram.
Remove all connectors and mounting
brackets from the unit, then pass the unit
through the mounting opening.
Put mounting brackets and tighten. Do not
tighten too much, this can brake the
enclosure.
Make electrical connections with plugs
removed from sockets, then place plugs to
their sockets.
Note that the power supply terminal is
separated from measurement terminals,
with common neutral point.
Below conditions may damage the device:
Incorrect connections.
Incorrect power supply voltage.
Voltage at measuring terminals beyond
specified range.
Current at measuring terminals beyond
specified range.
Below conditions may cause abnormal
operation:
Power supply voltage below minimum
acceptable level.
Power supply frequency out of specified
limits
Current transformers not matching related
phases.
Detailed user manual of this product
may be downloaded at:
www.datakom.com.tr
Current Transformers must
be used for current
measurement.
No direct connection
allowed
INSTALLATION
DKM-401
MULTIMETER
SAFETY NOTICE
Failure to follow below
instructions will result in
death or serious injury
Summary of Contents for DKM-401
Page 4: ...CONNECTION DIAGRAM...