Kobold NSED Manuel utilisateur

Operating Instructions

for

Floating Switch

Model: NSED / NSEK

NSED / NSEK

page 2 NSEK K05/0422

1. Contents

1.Contents ........................................................................................................ 2

2.Note .............................................................................................................. 3

3.Instrument Inspection .................................................................................... 3

4.Regulation Use ............................................................................................. 3

5.Mechanical Connection ................................................................................. 4

6.Electrical Connection .................................................................................... 5

6.1General ................................................................................................ 5

6.2Connection Examples .......................................................................... 5

7.Technical Information .................................................................................... 6

8.Order Codes ................................................................................................. 6

9.Dimensions ................................................................................................... 7

10.EU Declaration of Conformance ................................................................... 8

Manufactured and sold by:

Kobold Messring GmbH

Nordring 22-24

D-65719 Hofheim

Tel.: +49(0)6192-2990

Fax: +49(0)6192-23398

E-Mail: [email protected]

Internet: www.kobold.com

NSED / NSEK

NSEK K05/0422 page 3

2. Note

Please read these operating instructions before unpacking and putting the unit

into operation. Follow the instructions precisely as described herein.

The instruction manuals on our website www.kobold.com are always for currently

manufactured version of our products. Due to technical changes, the instruction

manuals available online may not always correspond to the product version you

have purchased. If you need an instruction manual that corresponds to the

purchased product version, you can request it from us free of charge by email

([email protected]) in PDF format, specifying the relevant invoice number and

serial number. If you wish, the operating instructions can also be sent to you by

post in paper form against an applicable postage fee.

The devices are only to be used, maintained and serviced by persons familiar

with these operating instructions and in accordance with local regulations

applying to Health & Safety and prevention of accidents.

When used in machines, the measuring unit should be used only when the

machines fulfil the EC-machine guidelines.

3. Instrument Inspection

Instruments are inspected before shipping and sent out in perfect condition.

Should damage to a device be visible, we recommend a thorough inspection of

the delivery packaging. In case of damage, please inform your parcel service /

forwarding agent immediately, since they are responsible for damages during

transit.

Scope of delivery:

The standard delivery includes:

 Floating Switch model: NSED / NSEK

4. Regulation Use

Any use of the Floating switch, model: NSEK, which exceeds the manufacturer’s

specifications, may invalidate its warranty. Therefore, any resulting damage is not

the responsibility of the manufacturer. The user assumes all risk for such usage.

NSED / NSEK

page 4 NSEK K05/0422

5. Mechanical Connection

Before installation:

 Remove all transport packaging and ascertain that no packaging material is

left in the instrument

 Please make sure that the allowable maximum operating pressure and

operating temperature of the instruments will not be exceeded (see standard

material combinations).

We recommend as a precaution for higher power loads, our contact protection

relay MSR.

Mounting

 from inside: with R ½” connection

 from outside: with flange

NSED / NSEK

NSEK K05/0422 page 5

6. Electrical Connection

6.1 General

Warning! Make sure that the maximum voltage / power values of

level switch will not be exceeded.

When raising: black/ blue: closing

black/ brown opening

6.2 Connection Examples

NSED / NSEK

page 6 NSEK K05/0422

7. Technical Information

Application: for very aggressive, pasty or hot liquids

Installation: from inside with G ½ connection

or from outside with flange

Material: Float: stainless steel 1.4571

Armour: stainless steel 1.4404

Wire mesh: stainless steel 1.4301

Screwed fitting: stainless steel 1.4571

Cable: 2 m silicone cable, 270 mm of which

with st. steel armour, 1.4541

Max. pressure: NSE-D: 6 bar

NSE-K: 15 bar

Max. temperature: 150 °C

Specific weight: > 0.8 kg/dm³

Contact: Reed contact change-over

connectable as N/O or N/C

Switch capacity: 4…250 VAC/DC

1 mA…1A, 60 VA

Switch. Hysteresis: approx. 10 mm

Switch angle: +20°/-20°

Safety class: IP 68

8. Order Codes

Order codes (Example: NSE-DW 02 SIL)

Model Description

NSE-DW 02 SIL C

lindrical float, 2 m silicone cable

NSE-KW 02 SIL Ball float, 2 m silicone cable

NSED / NSEK

NSEK K05/0422 page 7

9. Dimensions

NSED / NSEK

page 8 NSEK K05/0422

10. EU Declaration of Conformance

We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole

responsibility that the product:

Floating Switch Model: NSED / NSEK

to which this declaration relates is in conformity with the standards noted below:

EN 61010-1:2010 Safety requirements for electrical equipment for

measurement, control and laboratory use - Part 1: General requirements

EN 61326-1:2013 Electrical equipment for measurement, control and

laboratory use - EMC requirements - Part 1: General requirements

Also, the following EC guidelines are fulfilled:

2014/30/EU EMC Directive

2014/35/EU Low Voltage Directive

2011/65/EU RoHS (category 9)

2015/863/EU Delegated Directive (RoHS III)

Hofheim, 11 Sept. 2019

H. Peters M. Wenzel

General Manager Proxy Holder

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