ENTES EVM-3S User guide

Warning :

a) A switch or circuit breaker must be connected between the network
and the auxiliary supply input of device.
b) Connected switch or circuit breaker must be in close proximity to the
device.
c) Connected switch or circuit breaker must be marked as the
disconnecting device for the equipment.
d) The type of the used fuse must be FF type and the current of the used
fuse must be 1A.
e) No need of a vantilator in the installation area
f) Do not use with generator.

VOLTMETER
EVM-3S

EVM-3S (3-Phase Digital Voltmeter) :

EVM-3S is developed to measure voltage in three-phase systems. By using
button on the front panel, phase-phase (L1-L2, L1-L3, L2-L3) and phase-neutral
(L1-N, L2-N, L3-N) voltages can be selected and read from the display.

Displaying Phase-Phase or Phase-Neutral Voltage

Press until desired voltage is displayed.

A3250/Rev.6

!

* Please check the device label for proper value.

*Different supply voltages are adjustable upon request.

*EVM-3S (72x72) uses 3-4 Terminals (L1-N) for supply input.
Thus L1-N voltage must be in operating voltage range (DU).

Technical Data

Operating Voltage (Un),*
Operating Range(DU) : Please look at labels on the device.
Operating Frequency(f) : 45-65 Hz
Accuracy : 1% ±1 digit [(%10-%100) full scale]
Measuring Input (Vin) : 10-300 V AC (Phase-Neutral)

10-500 V AC (Phase-Phase)

Power Consumption(P

cons

) : <4 VA
Burden : <1 VA (per phase)
Enclosure : Non-flammable
Equipment Protection : Double Insulation ( ),

Measuring CategoryIII
Ambient Temperature : -5 OC; +50 OC
Degree of Protection : IP 40 (Front Panel)
Installations : Flush mounting with rear terminals
Wire Cross section (for terminals):

2.5 mm

2

Dimensions : Type PR 18, PR 25, PR 20
Weight : 0.28 kg (for PR 18)

0.30 kg (for PR 25)

0.25 kg (for PR 20)

Pcs per Package : 16 Pcs (for PR 18)
Package Weight : 4.5 kg
Pcs per Package : 12 Pcs (for PR 25)
Package Weight : 3.6 kg
Pcs per Package : 20 Pcs (for PR 20)
Package Weight : 5 kg

Packaging Information

EVM-3S

(72x72)*

N

1A

1A

1A

L1
L2
L3

42 31

Connection Diagrams

65

EVM-3S
Slim-96

1A

L
N

21 43

N

1A

1A

1A

L1
L2
L3

EVM-3S

(48x96)*

N

1A

1A

1A

L1
L2
L3

42 31

Precautions For Installation and Safe Use

Failure to follow those instructions will result in death or serious injury.
Disconnect all power before working on equipment.
When the device is connected to the network, do not remove the front
panel.
Do not try to clean the device with solvent or the like. Only clean the
device with a dried cloth.
Verify correct terminal connections when wiring.
Electrical equipment should be serviced only by your compedent seller.
Only for rack panel mounting.

No responsibility is assured by the manufacturer or any of its
subsidiaries for any consequences arising out of the use of this
material.

65

1A

L
N

Dimensions

The area Measurements on The Control Panel

TYPE PR 20 (48x96)

Wall

43mm

63mm
54 mm

50mm

90mm

79.3mm
70mm

TYPE PR 25 (96x96)

50mm

Wall

Control Panel Cut Out

91mm

91mm

TYPE PR 25 (96x96) TYPE PR 20 (48x96)

91mm

44mm

TYPE PR 25 (96x96) TYPE PR 20 (48x96)

96mm

96mm

96mm

48mm

66mm

66mm

TYPE PR 18 (72x72)

42mm

82.5mm

75mm

TYPE PR 18 (72x72)

50mm

65.5mm

Wall

TYPE PR 18 (72x72)

72mm

72mm

EVM-3S (72x72) use 3-4 Terminals (L1-N) for supply input. Thus L1-N voltage
must be in operating voltage range (DU).
EVM-3S (96x96 and 48x96) has a separated connector for supply input.

Note: If between Phase-Neutral measurement of device is over 330.0 V or between
Phase-Phase measurement of device is over 550.0 V, Hý is seen on the display.

L1-N

L2-N

L3-N

L1-L2

L2-L3

L1-L3