Kobold NV Operating Manual

Operating Instructions

for

Level Switches

Model: NV

NV

1. Contents

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

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

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

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

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

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

7. Electrical Connection .......................................................... 5

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

9. Maintenance ....................................................................... 5

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

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

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

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

Manufactured and Marketed by:

Kobold Messring GmbH

Nordring 22-24

D-65719 Hofheim

Tel.: [phone]

Fax: [phone]

E-Mail: [e-mail]

Internet: www.kobold.com

Page 2 NV K08/0917

NV

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:

 Level Switch model: NV
 Operating Instructions

4. Regulation Use

Any use of the Level Switch, model: NV, 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.

The units of type NV are intended to be used for monitoring of liquid-level
measurement. Only use liquids which are chemically inert to the materials used in
the construction of these devices.
By using at least two level monitors, where one is used for minimum level and the
other for max. level, liquid level control may be accomplished.

NV K08/0917 Page 3