Datakom DKM-401 Installation

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DKM-401

MULTIMETER

The DKM-401 is a low cost precision instrument

designed to display various AC parameters in a 3-

phase distribution panel.

SAFETY NOTICE

Failure to follow below

instructions will result in

death or serious injury

* 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.

INSTALLATION

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.

Current Transformers must

be used for current

measurement.

No direct connection

allowed

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: