Vemer EV3M-R Manual

Vemer Ikke kategoriseret EV3M-R

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Vemer S.p.A.

I - 32032 Feltre (BL) • Via Camp Lonc, 16

Tel +39 0439 80638 • Fax +39 0439 80619

e-mail: info@vemer.it - web site: www.vemer.it

User manual

TRMS ELECTRONIC DIGITAL MULTIMETERS

Read all instructions carefully

The measurement instruments in the series are electronic digital multimeters to view the EV3M TRMS

main electric measurements of 3 or 4 wire three-phase systems

The electric measurements: voltage, current, power, power factor, frequency and neutral current

are shown on three LED displays with three digits

SAFETY WARNINGS

During the installation and operation of the instrument, comply with the following instructions:

1) The product must be installed by a qualified expert.

2) Do not power or connect the instrument if it is damaged.

2) The appliance must be installed and operated in compliance with current electric systems

standards.

3) After installation, inaccessibility to the connection terminals without appropriate tools must

be guaranteed.

5) Before accessing the connection terminals, verify that the leads are not live.

6) The instrument is destined for use in environments with overvoltage category III and pollution

level 2, according to the CEI EN 61010-1 standard.

7) There must be a bipolar cut-off in the power supply network.

8) A device to protect against overloads must be installed in the electrical system upstream from

the instrument.

Code Model Description

VE333100 EV3M-D 4 DIN digital multimeter

VE334900 EV3M-R 72x72 digital multimeter

TECHNICAL CHARACTERISTICS

• Power supply: 230 V AC (-15%/+10%), 50/60Hz

• Input voltage: Vmax = 300V (phase-neutral)

• Maximum own consumption: voltage circuits: < 2.5 VA;

current circuits: < 2.5 VA;

• Input current: In = 5A; (nominal) Imax = 6A (maximum)

• Accuracy: Alternating voltage: ±0.5% F.S. ±1 digit

Alternating current: ±0.5% F.S. ± 1 digit

• Frequency 47-63Hz (±1Hz)

• Alternating voltage: resolution 1V

minimum display: 10V

• Alternating current: resolution 10mA

minimum display: 150mA with TA 5/5A

• Selectable TA: x/5A type (up to 10000/5A)

• Measurements taken: phase voltages (L-N); chained voltages (L-L); phase currents; phase active power;

phase apparent power; phase reactive power; power factor (cos ); frequency; φ

neutral current.

• Cross-section of leads: max 6mm² pm 4DIN model;

max 2.5mm² on 72x72 model

• Display: 7-segment LED display

• Operating temperature: -10 ÷ +45 °C

• Operating humidity: 10÷90% noncondensing

• Storage temperature: -20 ÷ +60 °C

• Insulation voltage: 4kV between accessible parts (front) and all terminals

• Degree of Protection: IP20 / IP51 on the Front Panel

INSTALLATION

• The instrument must be installed exactly as shown in the figure.

• Connection for the voltage inputs is always direct, whereas an external amperometric transformer (TA) is

used for the current inputs.

Attention! The current transformer secondary circuits CANNOT be earthed.

OPERATION

• Once the instrument has been installed, the pages of the various electric measurements monitored can

be viewed by pressing the key to move on to the next page, to go back to the previous page, in the d c

following order:

Page 1: PHASE VOLTAGE (L-N)

LED V(L-N) is on.

Example

field 1 230

field 2 230

field 3 230

Page 2: CHAINED VOLTAGES (L-L)

LED V(L-L) is on.

Example

field 1 300

field 2 300

field 3 300

Page 3: PHASE CURRENTS

LED (A) is on.

Example

field 1 10.8

field 2 0.53

field 3 3.00

DIMENSIONS

CONNECTION DIAGRAMS

Page 4: PHASE ACTIVE POWER

LED (W) is on.

Example

field 1 100

field 2 170

field 3 120

Press the “OK” key to view the system power as follows:

Example

field 1 P

field 2 SYS

field 3 390 (calculated value)

Press “OK” again to go back to the phase measurement.

Page 5: PHASE APPARENT POWER

LED (VA) is on.

Example

field 1 100

field 2 170

field 3 120

Press the “OK” key to view the system power as follows:

Example

field 1 PA

field 2 SYS

field 3 390 (calculated value)

Press “OK” again to go back to the phase measurement.

Page 6: PHASE REACTIVE POWER

LED (var) is on.

Example

field 1 38.0

field 2 16.0

field 3 24.0

Press the “OK” key to view the system power as follows:

Example

field 1 Pr

field 2 SYS

field 3 78.0 (calculated value)

Press “OK” again to go back to the phase measurement.

Page 7: POWER FACTOR (cosφ)

No LEDs on and the displays show the value of cos measured on each phase.φ

Example

field 1 L.86 L = inductive phase shift

field 2 C.94 C = capacity phase shift

field 3 L.82 L = inductive phase shift

If you want to display the system power factor (PF), press the key:“OK”

Example

field 1 PF

field 2 SYS

field 3 0.80 (calculated value)

Press “OK” again to go back to the phase measurement.

Page 8: FREQUENCY

No LEDs on and information displayed as follows:

Example

field 1 F

field 2 50.0

field 3 (empty)

Page 9: NEUTRAL CURRENT

LED (A) is on.

Example

field 1 In

field 2 1.4

field 3 (empty)

Measurement unit management

The “k” and “M” measurement units are associated with two LEDs which come on automatically

depending on the value of the measurement taken.

Example (with TA 5000/5A)

I1=160A; I2=1000A; I3=2500A, the information displayed will be as follows:

L1 0.16

L2 1.00

L3 2.50

LEDs “A” and “k” are on.

PARAMETER SETTING: TA AND 3 OR 4 WIRE SYSTEM

• TA setting

The value of the TA secondary is 5A and cannot be modified.

To set the capacity of the primary, proceed as follows.

With the instrument turned off, hold down the key, then power the instrument. After “PRG”

approximately 3 seconds, the following information is displayed:

field 1 Pr

field 2 ct

field 3 05 (flashing)

To modify field 3 use the key (decrease). The value can be modified in steps c key (increase) or d

of 5 up to 1000A (5, 10, 15, 20, etc.) and in steps of 50 from 1000 to 10000A (1050, 1100, 1150,

etc.)

Once you have selected your chosen capacity, press to confirm.“OK”

• 3 or 4 wire system setting (4 wires by default)

This second setting is used by the instrument to determine the neutral current (4 wire system).

Setting page display:

field 1 Pr

field 2 SYS

field 3 04 (flashing)

To modify field 3 use the c o d keys. The selectable values are 3 or 4.

If you set the value 3 (three wire system), pages 1 (three-phase voltage) and 9 (neutral current) are

not displayed.

Press “OK” again to leave the programming mode and save the settings. The instrument begins to

monitor the system. If you do not press “OK”, the instrument leaves the programming mode after 30

seconds without saving the settings made.

Subsequently, to view the TA setting, use the or arrows on page 3 (phase currents, LED “A” on) c d

and press (the parameters cannot be modified on this page). To exit press “PRG” “PRG” again or

wait 30 seconds.

Note: THE TA MUST NOT BE EARTHED.

• Incorrect TA connection

In case of incorrect connection of one or more TA, the display relating to the phase concerned by the

incorrect connection flashes on the active powers page [LED (W) on].

ERROR MESSAGES

• Error messages

If message is shown (flashing)EEE

please contact Vemer technical support.

If message is shown (flashing)Err Par

repeat the parameter setting procedure:

cut off power, press the key and hold it down, then power the instrument again.“PRG”

• Out of scale message

HHH (flashing)

Means the current and/or voltage values are beyond the full scale value.

Voltage overload V>Vmax + 6%

Current overload I>In + 20% for connection via 5/5A TA (for different TAs, multiply by the

transformation ratio).

If the page displayed is not related to the measurement in overload (out of scale), phase or chained

voltage or phase current, the message is nonetheless shown by flashing the value of the overall

measurement (if the page displayed concerns the system) or the measurements related to the

phases in overload (if the page displays the phase measurements).

Note. If at least one of the phase currents is out of scale, three dashes are displayed on the neutral

current page:

- - - (flashing)

REFERENCE STANDARDS

Compliance with Community Directives:

2006/95/EC (Low Voltage)

2004/108/EC (Electromagnetic Compatibility)

is declared with reference to the following harmonized standards:

EN 61010-1 EN 61000-6-2, and EN 61000-6-4

V3IS00493-010

Mod. EV3M

DISPLAY AND KEYPAD DESCRIPTION

 

















P1 P2

S2 S1

P1 P2

S1 S2

V(L-N)

V(L-L)

var

PRG

EV3M-D

EV3M-R

Prg OK

V(L-N)

V(L-L)

var

EV3M-D

EV3M-R

PRG

— Parameter programming

— Increase

— Decrease

— Display / conﬁrm data

— Field 1

— Field 2

— Field 3

Produkt Specifikationer

Mærke:	Vemer
Kategori:	Ikke kategoriseret
Model:	EV3M-R

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