Kobold NEK Operating Manual

Operating Instructions

for

Conductive Level Switches

Model: NEK-...

NEK

1. Contents

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

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

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

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

5. Operating Principle ........................................................................................ 4

6. Mechanical Connection ................................................................................. 4

6.1. Check service conditions: .................................................................... 4

6.2. Installation ............................................................................................ 4

7. Electrical Connection .................................................................................... 4

7.1. General ................................................................................................ 4

7.2. NPN switching output (NEK-1) ............................................................. 5

7.3. PNP switching output (NEK-2) ............................................................. 5

7.4. Relay switching output (NEK-3) ........................................................... 5

8. Commissioning .............................................................................................. 5

9. Maintenance ................................................................................................. 6

10.Technical Information .................................................................................... 6

11.Order Codes ................................................................................................. 7

12.Dimensions ................................................................................................... 7

13.EU Declaration of Conformance .................................................................... 8

Manufactured and sold by:

Kobold Messring GmbH

Nordring 22-24

D-65719 Hofheim

Tel.: [phone]

Fax: [phone]

E-Mail: [e-mail]

Internet: www.kobold.com

Seite 2 NEK K05/0516

NEK

2. Note

Please read these operating instructions before unpacking and putting the unit
into operation. Follow the instructions precisely as described herein.
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:

 Conductive Level Switch Model: NEK-...
 Operating Instructions

4. Regulation Use

Any use of the Conductive Level Switch, model: NEK, which exceeds the
manufacturer’s specification, may invalidate its warranty. Therefore any resulting
damage is not the responsibility of the manufacturer. The user assumes all risk
for such usage.

NEK K05/0516 Seite 3