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Kobold NSC Operating Instructions Manual

Capacitance level
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Operating Instructions
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Capacitance Level
Model: NSC

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Summary of Contents for Kobold NSC

  • Page 1 Operating Instructions Capacitance Level Model: NSC...

  • Page 2: Table Of Contents

    15. Declaration of conformance ( ATEX ) ............15 16. Declaration of conformance ................ 16 17. ATEX Certificate ..................17 18. NOTES ......................21 Manufactured by: Kobold Mesura S.L.U Avda. Conflent, 68 nave 15 08915 Badalona Tel.: +34 93 460 38 83 Fax: +34 93 460 38 76 E-Mail: info.es@kobold.com...

  • Page 3: Note

     Cable gland 1x M20x1,5 ( 2 atex version )  Operating Instructions 4. Description This level switch instruments for solids NSC, has been designed to be used in all applications where the level of the solid must be detected in tanks and silos. 5. Operating principle The NSC sensor together with the wall of the tank is a capacitor.

  • Page 4: Mechanical Connection

    6. Mechanical connection The NSC has a thread of 1”BSP male. The sensitive part of the probe goes from the PP isolator to the end of the probe. Check that lenght of probe is according the level to be detected.

  • Page 5: Electrical Connection

    7. Electrical connection VERY IMPORTANT  Be sure that power supply corresponds with the indicated in the equipment’s label.  GREEN led lighting indicates that equipment is powered  RED led lighting indicates that output relay is activated.  Using SELECTOR 1, you can choose relay operation NO or NC when the product covers the probe.

  • Page 6: Adjustment

    8. Adjustment After installation and connection verification, we proceed to AJUST SENSITIVITY to fit the NSC with the tank and the product to measure. Check that product doesn’t reach the probe. Power supply GREEN LED must be ON 1. Put DIP-SWITCH 1 to “MAX” position.
  • Page 7 3. Turn slowly the “SENSITIVITY ADJUSTMENT screw” counter clockwise until RED LED switches off. 4. Turn 360º more counter clockwise to avoid a critical adjustment. In case of sticky products it is recommended to increase this adjustment. The instrument is now adjusted. When product will reach the probe relay will be activated and RED LED will light.

  • Page 8: Module Replacement

    Module replacement MODCAP modules are delivered with DIP-SWITCHES 2, 3 and 4 adjusted with its own probe. In case of replacement, following procedure must be done with the probe free of product: 1. With DIP-SWITCH 1 to “MAX” and 2, 3 and 4 to “MIN”, turn the multiturn potentiometer totally to clockwise (20 turns).

  • Page 9: Models

    9. Models There are 2 basic models of NSC: NSC..R The probe is a rod made of st.st. and covered with PTFE. It is used for minimum and intermediate level detection. It is produced a Standard version with a sensor of a maximum length of 3000mm NSC..C...

  • Page 10: Technical Data

     Sensitivity adjustment by multi-turn trimmer.  Vdc polarity reverse protection.  Minimum or maximum security adjustment.  Rod version probe (NSC.R) covered with PTFE. Flexible cable st.st. probe (NSC.C) or steel covered with PP. ONLY ATEX VERSION:  Certified: ATEX II 2/1 tD[iaD]iaD A21/20 IP65 T85 ºC Ta: -20ºC/+60ºC...

  • Page 11: Safety Instructions (Atex)

    CE certificate type LOM 05ATEX2060 X. 2. General considerations. Operating principle of level switches NSC...EX is the capacity variation of the media when product is present. They are used for level control in hazardous zones.
  • Page 12 4. Chemical resistance: Verify that materials of the instrument are chemically compatible with the product to measure and application. 5. Special conditions for safe use: It is required for safety the adequate connection of protective conductor and the bonding to earth of the head box. Page 12 DT0307...

  • Page 13: Installation In Classified Zone (Atex)

    Installation in classified zone (ATEX) In classified zones, NSC. ATEX version, must be installed with the housing in zone 21,22 (category 2) or NOT CLASSIFIED. Process connection is mounted in the border wall between areas of category 2 and 1.

  • Page 14: Models Atex

    Models ATEX Page 14 DT0307...

  • Page 15: Declaration Of Conformance ( Atex )

    Inscription Certificazione per esame di tipo CE Marcatura LOM05ATEX2060X II 2/1 Ex tD[iaD]iaD A21/20 IP65 T85ºC Ta:-20ºC/+60ºC Fabricado en KOBOLD MESURA SLU Avda. Conflent, 68 nave 15 08915 BADALONA (Spain Made in: Hergestellt in: Fabriqué dans: Fabbricato in: Organismo notificado LOM 0163 Número notificación...

  • Page 16: Declaration Of Conformance

    Normes harmonisées et documents normatifs appliqués : Norme armonizzate e documenti normativi applicati: EN61010-1 :2011 EN61000-6-2 :2006 Fabricado en KOBOLD MESURA SLU Avda. Conflent, 68 nave 15 08915 BADALONA (Spain Made in: Hergestellt in: Fabriqué dans: Fabbricato in: Badalona june 2017...

  • Page 17: Atex Certificate

    ATEX Certificate DT0307 Page 17...
  • Page 18 Page 18 DT0307...
  • Page 19 DT0307 Page 19...
  • Page 20 Page 20 DT0307...

  • Page 21: Notes

    NOTES DT0307 Page 21...
  • Page 23 DT0332 Page 23...
  • Page 24 KOBOLD MESURA S.L.U Avda. Conflent, 68 nave 15 08915 Badalona Tel.: +34 93 460 38 83 Fax: +34 93 460 38 76 E-Mail: info.es@kobold.com www.kobold.com Technical data Subject to change without prior notice Page 24 DT0332...

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