Contrel EMM-mD3h Instruction Manual

INSTRUCTION MANUAL
IM380-U v3.1
EMM-µD3h
EMM-µD3h-p
EMM-µD3h-485
GENERAL
The digital multimeters series EMM-µD3h allow monitoring the main electrical parameters
present on a distribution line. The local display of the various electrical parameters is carried
out by 3 displays with red LED, granting a good and simultaneous reading of various values. A
simple front panel completes the intuitive selection of several electrical parameters, in order to
provide full information.On top of the instantaneous measures, these instruments display the
maximums (peak of the main parameters and maximum demand or average maximum
value).The multifunction meters EMM-µD3h replace in a unique device, all the functions of
voltmeters, ammeters, energy meters, cosphimeters, wattmeter's, varmeters, hour meters
and frequency meters. This gives a great economic saving, by reducing space and time,
optimising also the purchase management of instruments, since one model meets most demanding requirements for local
measuring in electrical boards, switch-boards, MCC's, Gen-sets, etc.
AVAILABLE TYPES
Among the large range of the EMM multimeters family, find here below the available EMM-µD3h types:
EMM-µD3h based version.
EMM-µD3h-p as EMM-µD3h version but with digital outputs for pulse emission or alarm signalling.
EMM-µD3h-485 as EMM-µD3h version but with RS485 port.
The auxiliary supply for all types, is available with following voltages:
- 230V (rated) 50-60Hz
- 110V (rated) 50-60Hz
- 400V (rated) 50-60Hz
INTRODUCTION
The EMM-µD3h are only featured for local visualising the electrical parameters. The EMM-µD3h-p has two digital outputs.
The EMM-µD3h-485 has a RS485 port. The auxiliary supply is connected to 2 terminals, separated from the measuring
voltage inputs. It is necessary to use of external CT's for measuring the currents.
ACCESSORIES AND OPTIONS
Accessories: Din rail mounting CT's
Options: Auxiliary supply and measuring voltages, other than standard (under request)
Current Input 1A
Others CT secondary input (on request)
MEASURED PARAMETERS
Parameters
phase and three phase voltage
phase to phase and three phase system voltages
phase and three phase currents
phase and three phase power factors
phase and three phase active powers
phase and three phase system reactive powers
phase and three-phase system apparent powers
three phase average powers
three phase forecasted average powers
frequency
three phase active energy
three phase reactive energy
three phase apparent energy
hour meter
peak value (maximums):
phase voltage
phase current
phase average current (maximum demand)
three phase system powers
three phase system average power (max demand)
EMM-µD3h EMM-µD3h-p
DIGITAL MULTIFUNCTION METER FOR ELECTRICAL PARAMETERS
standard version
optional version
optional version
Measuring units
[V]
[V]
[A]
[kW]
[kVAr]
[kVA]
[kW-kVAr-kVA]
[kW-kVAr-kVA]
[Hz]
[kWh]
[kVArh]
[kVAh]
[h]
[V]
[A]
[A]
[kW-kVAr-kVA]
[kW-kVAr-kVA]
EMM-µD3h-485
V L1-N
V L1-L2
I L1
PF L1
W L1
VAr L1
VA L1
 W (avg)
 W pr (avg)
Hz L1
 kWh
 kVArh
 kVAh
h
V L1-N max
I L1 max
I L1 max (avg)
 W max
 W max (avg)
instruction manual
Identification symbols
V L2-N V L3-N
V L2-L3 V L3-L1
I L2 I L3
PF L2 PF L3
W L2 W L3
VAr L2 VAr L3
VA L2 VA L3
 VAr (avg)  VA (avg)
 VAr pr (avg)  VA pr (avg)
V L2-N max V L3-N max
I L2 max I L3 max
I L2 max (avg) I L3 max (avg)
 VAr max  VA max
 VAr max (avg)  VA max (avg)
IM380-U v3.1 pag. 1 / 12
 V L-N
 V L-L
 I
PF
W
VAr
VA