14
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14
S
EC
. P
AGE
SINGLE PHASE DIGITAL INSTRUMENTS
Voltmeters
Ammeters
Voltmeters and ammeters
Frequency meters
Cosphi meters.
THREE PHASE DIGITAL INSTRUMENTS
Voltmeters
Ammeters
Combined voltmeter, ammeter, watt meter.
P
AGE
14-2
DIGITAL MULTIMETERS
DMK 2...- DMK 5... (47 electric parameters)
Basic version: DMK 20 - DMK 50
Version with energy meters: DMK 21 - DMK 51
Version with energy meters and RS485 port:
DMK 22 - DMK 52
Version for use with generating sets: DMK 25 - DMK 26.
DMK 3... - DMK40 - DMK 6... (251 electric parameters)
Basic version: DMK 30 - DMK 60
Version with 2 programmable outputs:
DMK 31 - DMK 61
Versions with 2 programmable outputs and RS485
port: DMK 32 - DMK 62
Version with data-logger, RS232 and RS485 ports:
DMK 40.
P
AGE
14-4
CURRENT TRANSFORMERS
DMT...
Primary current: 40-1000A
Secondary current: 5A.
P
AGE
14-7
14
Digital voltmeters, ammeters,
watt meters, frequency meters
and cosphi meters
Digit multimeters for monitoring
and measuring 47 to 251
electrical parameters
Connection to single, two, three
phase systems
Ideal for co-generation energy
systems, stand-by generating sets
and on-board machinery
High measurement accuracy
Totally programmable digital
outputs
RS485 serial port for remote
control and RS232 serial port for
data-logger, Modbus
-RTU and
Modbus
-ASCII protocols.
D
IGITAL METERING INSTRUMENTS AND CURRENT TRANSFORMERS
P
LANET
-L
OGIC
Digital metering instruments
Single phase modular types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14- 2
Three phase modular types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14- 3
Single phase flush mount types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14- 4
Three phase flush mount types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-
5
Digital multimeters
47 measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-
7
251 measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-
8
Software and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-
9
Current transformers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14- 10
Starter kits
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14- 11
Usage in medium and high voltage
Outputs
relay: 5A 250V in AC1
Static: 55mA 60VAC/DC in AC1
Interface
RS485 opto-isolated port
RS232 opto-isolated port
Three-phase with or without neutral, balanced three-phase,
two-phase and single-phase connection
TRMS voltage and current measures
Averaging
for stabilised viewing
filter
supplement, keypad configurable
Data-logger with real time clock
Input voltage frequency measure
Voltage
phase to phase (system included)
measures
phase (LOW and HIGH included)
system phase
battery
imbalance
Current
phase (LOW and HIGH included)
measures
maximum phase integral
system
imbalance
Phase power factor measure
Phase cos
measure
Apparent power measures phase and system minimum and maximum
Apparent power measures of the system
Apparent power measures system integral (system maximum included)
Active
import phase
power
export phase
measures
import system
export system
LOW and HIGH import system
LOW and HIGH export system
Maximum system integral
Reactive
import phase
power
export phase
measures
import system
export system
LOW and HIGH import system
LOW and HIGH export system
Energy power
import active
measures
export active
import reactive
export reactive
Harmonic
odd orders, 3 to 21 (phase voltages)
analysis
even orders, 2 to 22 (phase voltages)
odd orders, 3 to 21 (phase currents)
even orders, 2 to 22 (phase currents)
Total harmonic distortion per phase and residual
Capacitor harmonic overload measure between phases
Total and partial hour counter
Delayed auto-resetting of pre-set measures
Remote control and supervision software
Data-logger software
These communication interfaces cannot be simultaneously used.
These software programs cannot be simultaneously used.
Available with the use of DMK SW remote control software only.
D
ESCRIPTION
96x96mm housing
DMK 20 DMK 21 DMK 22 DMK25 DMK 26 DMK 30 DMK 31 DMK 32 DMK 40
Modular housing
DMK 50 DMK 51 DMK 52
DMK 60 DMK 61 DMK 62
Digital metering instruments
and current transformers
14
-2
14
General characteristics
The DMK 8... instruments are available with modular
enclosure, 3-module size.
Measures are TRMS values and consent to obtain
reliable operation even in presence of harmonics.
Operational characteristics
Auxiliary supply: 220-240VAC
Operating frequency: 50-60Hz
TRMS measurements
Voltage measure accuracy: 0.25% full scale 1 digit
Current measure accuracy: 0.5% full scale 1 digit
HIGH and LOW measure storage
Terminals: 4mm
2
3 module housing according to DIN 43880
Degree of protection: IP40 on front
Ambient conditions:
Operating temperature: -20...+60C
Storage temperature: -30...+80C
1 output relay with 1 changeover contact, rated 8A
250VAC AC1 for DMK...R1 version only.
DMK 80 - DMK 80 R1
Voltage measure range: 15-660VAC
Operating frequency range: 45-65Hz
Programmable PT ratio: 1.00-500.00
For DMK 80 R1 only
Voltage loss or failure: OFF/5-85%
Maximum voltage: OFF/102-120%
Minimum voltage: OFF/70-98%
Time delay for max-min voltage or voltage loss, phase
loss
: 0.0-900.0 seconds.
DMK 81 - DMK 81 R 1
Current measure range: 0.05-5.75A
Operating frequency range: 45-65Hz
Programmable CT ratio: 5-10,000
For DMK 81 R1 only
Current loss: OFF/5-85%
Maximum current: OFF/102-200%
Maximum current instantaneous tripping:
OFF/110-600%
Minimum current: OFF/5-98%
Time delay for max-min or loss current
:
0.0-900.0 seconds.
DMK82
Voltage measure range: 15-660VAC
Current measure range: 0.05-5.75A
Operating frequency range: 45-65Hz
Programmable PT ratio: 1.00-500.00
Programmable CT ratio: OFF/5-10,000.
DMK 83 - DMK 83 R 1
Measure input: 15-660VAC
Frequency measure range: 15-65Hz
Measure accuracy: 1 digit
For DMK 83 R1 only
Maximum frequency: OFF/101-110%
Minimum frequency: OFF/90-99%
Time delay for min-max frequency
:
0.5-900.0 seconds.
DMK 84 - DMK 84 R1
Cosphi measure error: 0.5 1 digit
Cosphi measure in 4 quadrants
For DMK 84 R1 only
Maximum cosphi threshold: OFF/0.1Ind-0.1Cap
Minimum cosphi threshold: OFF/0.1Ind-0.1Cap
Maximum P.F. threshold: OFF/0.10-1.00
Minimum P.F. threshold: OFF/0.1-1.00
Delay time for max or min threshold
:
1-9,000 seconds.
Reference standards
Comply with standards: IEC/EN 61010-1,
IEC/EN 61000-6-2,. IEC/EN 61000-6-3.
Independent adjustable delays.
Technical characteristics
page TC-46 and 47
Dimensions
page D-36
Wiring diagrams
page W-27
electric
Order code
Description
Output Qty Wt
relay
per
pkg
n
n
n
[kg]
Voltmeter.
DMK 80
1 voltage value
1
0.237
DMK 80 R1
1 max. voltage value
1
1
0.268
1 min. voltage value
Ammeter.
DMK 81
1 current value
1
0.237
DMK 81 R1
1 max. voltage value
1
1
0.268
1 min. voltage value
Voltmeter and ammeter.
DMK 82
1 voltage or
1
0.241
current value
1 maximum voltage
or current value
1 minimum voltage
or current value
Frequency meter.
DMK 83
1 frequency value
1
0.237
DMK 83 R1
1 max. frequency value 1
1
0.268
1 min. frequency value
Cosphi meter.
DMK 84
1 cosphi value
1
0.241
DMK 84 R1
1 power factor value
1
1
0.272
The DMK82 can operate as a voltmeter or ammeter. It is duly equipped
with two front plates (V and A) which must be fitted by the user
depending on which instrument is required and on the wiring scheme
used.
DMK 80
Modular instruments
single phase
DMK 80 R1
DMK 81
DMK 81 R1
DMK 82
DMK 82
DMK 83
DMK 83 R1
DMK 84
DMK 84 R1
Digital metering instruments
and current transformers
14
-3
Technical characteristics
page TC-46 and 47
Dimensions
page D-36
Wiring diagrams
page W-27
electric
General characteristics
The DMK 7... instruments are available with modular
enclosure, 3-