Vemer EVF-R Manual

Vemer Ikke kategoriseret EVF-R

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Side 1/1

3CONNECTION DIAGRAMS

V3IS00263–100

DIMENSIONS

1User Manual

DIGITAL FREQUENCY METER

 Read all the instructions carefully

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

Mod. EVF-2DIN

EVF-R

EVF-2DIN

EVF-R

36 60

72 75

EVF-2DIN

EVF-R

EVF is an electronic device to measure frequencies in single-phase

systems.

Code Model Description

VM258100 EVF-2DIN Frequency meter 2DIN

VM325800 EVF-R Frequency meter 72x72mm

SAFETY WARNINGS

During the installation and operation of the device, proceed in accordance

with the instructions below:

1) The device should be installed by a competent operator following the

connection diagrams carefully

2) Do not power or connect the device if any part of it is damaged

3) The device should be installed in a panel from which no access can be

gained to the terminals after installation

4) The electrical system of the building in which the instrument is to be

installed should have a switch and a protective device against over-currents

5) The device is designed for installations with over-voltage category III and

pollution level 2, in accordance with the EN 61010-1 standard.

6) The device must be installed and put into operation in accordance with the

current regulations regarding electrical systems.

TECHNICAL SPECIFICATIONS

• Power supply

- 230 V AC (-15% ÷ +10%) 50/60Hz

- maximum consumption: 2 VA

• Frequency measurements:

- measurement range: 20 ÷ 100 Hz

- resolution: 0.1 Hz

- accuracy: ± 0.5% of full scale ± 1 digit (from 3% to 100% of F.S.)

- maximum power consumption: 2 VA

• Measurement input:

- minimum voltage: 20 V

- maximum voltage: 600 V

- input impedance: 2 Mohm

• Terminals for links:

- connection blocks for cables with 6 mm² maximum cables section for EVF-

2DIN

- plug-in terminal block for cables with 2.5 mm² maximum cables section up

for EVF -R

• 3-digits 7-segments LED display for viewing

• Operating temperature: -10°C to + 45°C

• Storage temperature: -20°C to + 70°C

• Relative humidity: 10% to 90% non-condensing

• Insulation: power supply circuits and electrically insulated measurement at

the level of main insulation (EN 61010-1). Accessible parts and other insulated

terminals at reinforced insulation level

• Protection degree: IP20 / IP51 on the front

4OPERATION

During normal operation, the device displays the

measured value of the frequency.

Error messages

• Memory error: EEE

Indicates a damage of the device that affect the

operation

• Overload Error: KKK

Indicates that the frequency is higher than the

maximum allowed value: f > 99.9 Hz

Reset is automatic

• Error: 000

Indicates that the measured frequency is lower than

20 Hz

REFERENCE STANDARS

Conformity to the EU directives:

2014/35/UE (LVD), 2014/30/UE (EMCD)

is declared with reference to the following harmonised standards:

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

03-2018

3 4

7 8

max. 600V~

5 4 3 12

max. 600V~

Produkt Specifikationer

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

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