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Summary of Contents for Kobold NVI
- Page 1 Operating Instructions Vibrating Level Switches Model: NVI...
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Page 2: Table Of Contents
Guarantee ....................11 Dimensions ....................11 EU Declaration of Conformance ..............12 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: info.de@kobold.com Internet: www.kobold.com page 2 NVI K04/0517... -
Page 3: Note
Operating Instructions 4. Regulation Use Any use of the Vibrating Level Switch, model: NVI, which exceeds the manufacturers specification may invalidate its warranty. Therefore any resulting damage is not the responsibility of the manufacturer. The user assumes all risk for such usage. -
Page 4: Operating Principle
In some cases such as material caving or arching you will need to mount the vibration rod at a clearance from the desired limit. The model NVI is not suggested to be used for low level detection in high density materials. - Page 5 Powder Granulate Limits for bending or pulling force and torque should be considered: F = 500 N M = 100 Nm F = 45 kN M = 100 Nm NVI K04/0517 page 5...
- Page 6 Avoid mounting the device as shown in the diagram. Use rubber shims for example to protect the device in bins/silos where large vibrations occur. page 6 NVI K04/0517...
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Page 7: Electrical Connection
Attention! Incorrect wiring will lead to damage of the unit’s electronics. 7.2 Operation Diagram Power Probe Fail-safe mode RELAY GREEN ENERGISED VIBRITING (COVERED) HIGH DE-ENEGISED DE-ENEGISED VIBRITING (FREE) HIGH GREEN ENERGISED FAILS NOT LIT DE-ENEGISED HIGH NVI K04/0517 page 7... -
Page 8: Commissioning
= 5 s; short response time, switch delay = 2 s). Note: The device can be damaged by electrostatic discharge (e.s.d.) from the DIP switch. To prevent such damage, the general precautions must be strictly observed. page 8 NVI K04/0517... -
Page 9: Technical Information
1.4571 (AISI316Ti) for vibrating probe PE cover for cable Sensor surface: bright Medium temperature: -30 °C...+110 °C standard probe -30 °C...+80 °C (NVI-5) -30 °C...+160 °C high temperature Ambient temperature: -30 °C...+60 °C Maximum pressure: 25 bar (NVI-1/2/3/4) 6 bar (NVI-5) -
Page 10: Derating Diagram
* Mention desired length in clear text (in mm). 12. Maintenance Series NVI devices require no regular maintenance. You may need to remove product stuck to the vibrating section and clean the vibrating section every now and then. Handle the vibrating section of the vibration rod with great care to avoid any damage. -
Page 11: Storage
All rights to claims under guarantee for faults caused by incorrect installation, rupture, improper handling or force majeure will not be honoured. 15. Dimensions Standard probe Pipe extended probe Cable extended probe NVI K04/0517 page 11... -
Page 12: Eu Declaration Of Conformance
16. EU Declaration of Conformance We, Kobold Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Vibrating Level Switches Model: NVI to which this declaration relates is in conformity with the standards noted below: EN 61010-1:2011 Safety...
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