FISCHER NC57 Operating Manual
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FISCHER NC57 Operating Manual

Capacitive filling level probe
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Operating manual
NC57
Capacitive filling level probe

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Summary of Contents for FISCHER NC57

  • Page 1 Operating manual NC57 Capacitive filling level probe...
  • Page 2 Great care was taken when compiling the texts and illustrations; Nevertheless, errors cannot be ruled out. The company FISCHER Mess- und Regeltechnik GmbH will not accept any legal responsibility or liability for this.

  • Page 3: Table Of Contents

    FISCHER Mess- und Regeltechnik GmbH Table of contents Table of contents 1 Safety instructions ......................4 1.1 General........................... 1.2 Personnel Qualification......................1.3 Risks due to Non-Observance of Safety Instructions ............. 1.4 Safety Instructions for the Operating Company and the Operator .........

  • Page 4: Safety Instructions

    1 | Safety instructions FISCHER Mess- und Regeltechnik GmbH 1 Safety instructions 1.1 General This operating manual contains basic instructions for the installation, operation and maintenance of the device that must be followed without fail. It must be read by the installer, the operator and the responsible specialist personnel be- fore installing and commissioning the device.

  • Page 5: Safe Working Practices For Maintenance And Installation Work

    FISCHER Mess- und Regeltechnik GmbH Safety instructions | 1 1.7 Safe working practices for maintenance and installation work The safety instructions given in this operating manual, any nationally applicable regulations on accident prevention and any of the operating company's internal work, operating and safety guidelines must be observed.

  • Page 6: Product And Functional Description

    2 | Product and functional description FISCHER Mess- und Regeltechnik GmbH 2 Product and functional description 2.1 Delivery scope • Capacitive filling level probe NC57 as per specification (see order code) • Operating manual 2.2 Device versions NOTICE! All housing are filled with a PU compound mass.

  • Page 7: Intended Use

    Product and functional description | 2 2.3 Intended use The capacitive filling level probe NC57 serves to measure tank filling levels in tanks containing fresh water, waste water or faeces. Filling level heights of between 400 and 2000 mm can be measured. The probe can be used for tanks made of metal.

  • Page 8: Assembly

    : Initial capacitance (probe exposed) : End capacitance (probe covered) Fig. 4: Assembly of the NC57 There must be at least 10 mm between the bottom of the tank and the end of the rod due to the possible formation of sediment or in case the tank needs to be moved (e.g.

  • Page 9: Electrical Connections

    FISCHER Mess- und Regeltechnik GmbH Assembly | 3 3.3 Electrical connections • By authorized and qualified specialized personnel only. • When connecting the unit, the national and international electro-technical regulations must be observed. • Disconnect the system from the mains, before electrically connecting the device.

  • Page 10: Start-Up

    4 | Start-up FISCHER Mess- und Regeltechnik GmbH 4 Start-up 4.1 General All electrical lines must have been installed properly before the start-up takes place. All connections must be arranged so that there are no mechanical forces acting on the device.
  • Page 11 FISCHER Mess- und Regeltechnik GmbH Start-up | 4 Useful information about the calibration If the filling levels change, the calibration can be repeated at any time. If just one of the two filling levels changes, it is sufficient to recalibrate only the corres- ponding value.

  • Page 12: Servicing

    5 | Servicing FISCHER Mess- und Regeltechnik GmbH 5 Servicing 5.1 Maintenance The instrument is maintenance-free. We recommend the following regular in- spection to guarantee reliable operation and a long service life: • Check the function in combination with downstream components.

  • Page 13: Technical Data

    FISCHER Mess- und Regeltechnik GmbH Technical data | 6 6 Technical data 6.1 General General information Type designation NC57 Measurement principle Continuous measurement of the capacity change between the probe rod and tank wall, depending on the filling probe of a fluid.

  • Page 14: Operating Conditions

    6 | Technical data FISCHER Mess- und Regeltechnik GmbH 6.6 Operating conditions Ambient temperature range -20 °C ... +70 °C Storage temperature range -40 °C ... +80 °C Medium temperature range Max. 80°C IP protection class IP67 EN 61326-1:2013 EN 61326-2-3:2013...
  • Page 15 FISCHER Mess- und Regeltechnik GmbH Technical data | 6 6.7.2 Dimension drawings Field housing Bayonet ring housing Ø72 Ø64 M12 plug AF41 G½ AF27 Ø8 Ø8 Ø8,8 (coated) Ø8,8 (coated) Fig. 8: Dimension drawing Accessories Ø30 G½ Fig. 9: Welding socket BA_EN_NC57...

  • Page 16: Order Codes

    7 | Order codes FISCHER Mess- und Regeltechnik GmbH 7 Order codes Code no. 10 11 12 Type Design: (Code no.) Bare electrode ECTFE-coated electrode Casing material / connection: (Code no.) Stainless steel 1.4571 wth G½ connection Bayonet housing NG63 in stainless steel 1.4301 with G1 connection Installation length (from sealing surface): [3-6] (Code no.)

  • Page 17: Accessories

    FISCHER Mess- und Regeltechnik GmbH Order codes | 7 7.1 Accessories Order no. Designation No. of Length poles 06401993 Connection cable with M12 connector 4 poles 06401994 Connection cable with M12 connector 4 poles 06401563 Connection cable with M12 connector...

  • Page 18: Attachment

    8 | Attachment FISCHER Mess- und Regeltechnik GmbH 8 Attachment Fig. 10: CE_DE_NC57 18/20 BA_EN_NC57...
  • Page 19 FISCHER Mess- und Regeltechnik GmbH Notes BA_EN_NC57 19/20...
  • Page 20 Mess- und Regeltechnik GmbH Bielefelder Str. 37a D-32107 Bad Salzuflen Tel. +49 5222 974-0 Fax +49 5222 7170 www.fischermesstechnik.de info@fischermesstechnik.de Technische Änderungen vorbehalten. Subject to technical changes. Sous réserve de modifications techniques.

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