Kobold NBK-19 Operating Instruction
  1. Manuals
  2. Brands
  3. Kobold Manuals
  4. Measuring Instruments
  5. NBK-19
  6. Operating instruction

Kobold NBK-19 Operating Instruction

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Operating Instruction
for
Bypass-
Level Indicator
Cable version
Model: NBK-19

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the NBK-19 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Kobold NBK-19

Summary of Contents for Kobold NBK-19

  • Page 1 Operating Instruction Bypass- Level Indicator Cable version Model: NBK-19...

  • Page 2: Table Of Contents

      EU Declaration of Conformance ..............16     UK Declaration of Conformity ..............18     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 Seite 2 NBK-19 K03/0322...

  • Page 3: Note

    Please read these operating instructions before unpacking and putting the unit into operation. Follow the instructions precisely as described herein. The instruction manuals on our website www.kobold.com are always for currently manufactured version of our products. Due to technical changes, the instruction manuals available online may not always correspond to the product version you have purchased.

  • Page 4: Regulation Use

    5. Operating Principle The Kobold bypass level indicator type NBK-19 is based on the simple principle of cable and deflection pulley. The tank float, made of PPH or stainless steel, is moved upwards and downwards by the medium according to the liquid level in the tank.

  • Page 5: Mechanical Connection

     Run the cable over the pulley into the tank and affix the tank float using the simplex clamps, such that the level in the tank corresponds to the scale on the bypass tube. NBK-19 K03/0322 Seite 5...

  • Page 6: Electrical Connection

    Please note: The colours of the internal cables are for internal connections only, and are therefore only visible for measurement transducers which have a connector housing. If connecting the measurement transducer to a Kobold transmitter, such as type ADI, please read the relevant operating instructions. Seite 6...

  • Page 7: Measurement Transducer: Reed Chain With 2-Wire Transmitter (Option

     Remove the cover and run the power supply cable through the cable gland.  Connect the transmitter as shown in the following wiring diagram. 16-32 V DC NBK-19 K03/0322 Seite 7...

  • Page 8: Measurement Transducer: Magnetostrictive Sensor With 4-Wire Transmitter (Option

     Remove the cover and run the power supply cable through the cable gland.  Connect the transmitter as shown in the following wiring diagram. 24 VDC 4-20 mA 24 V DC ± 20% Aout AGND + US GND AGND 4-20 mA AOUT Seite 8 NBK-19 K03/0322...

  • Page 9: Operation

    The difference between the points at which the contact switches on and off is known as the hysteresis. Factory tuning of the float magnet contact strength gives a hysteresis of about 15 mm of vertical travel of the float. NBK-19 K03/0322 Seite 9...

  • Page 10: Fault Diagnosis And Dealing With Malfunctions

    The tank float is partly or completely out of The bypass float knocks against the head the medium in the tank. The cable is too of the tube. short. The tank and bypass floats no longer The cable is caught. move. Seite 10 NBK-19 K03/0322...

  • Page 11: Technical Information

    5 k  Total resistance: Measuring voltage: max. 24 V Measurement current: max. 0.1 A Environmental temperature: max. 60 °C Protection index: IP 65 Resolution: 10 mm (ML < 2000 mm) 20 mm (ML  2000 mm) NBK-19 K03/0322 Seite 11...
  • Page 12 500  Working resistance: Max. length: 4000 mm Power supply voltage: 24 V , max. 150 mA Power consumption: < 5 W (without load) Accuracy: ± 1 mm Environmental temperature: max. 60 °C Protection index: IP 65 Seite 12 NBK-19 K03/0322...

  • Page 13: Order Information

    NBK-R Standard limit contact NBK-19BF Fastening clamps NBK-19P Additional roller with mounting NBK-CP Replacement counterweight (magnet system) Length ML (measurement length) and L (distance between the rollers) must be clearly stated in the order. NBK-19 K03/0322 Seite 13...

  • Page 14: Dimensions

    NBK-19 12. Dimensions NBK-19 with Option W, PPH float Seite 14 NBK-19 K03/0322...
  • Page 15 NBK-19 NBK-19 mit Option Z, stainless steel float  200  63x3 51.5 ca. 36 NBK-19 K03/0322 Seite 15...

  • Page 16: Eu Declaration Of Conformance

    NBK-19 13. EU Declaration of Conformance We, Kobold-Messring GmbH, Hofheim-Ts. Federal Republic of Germany, declare that the bypass level indicator fulfils the following criteria: The NBK-R bypass level indicator limit contacts conform to the standards listed below: EN 61010-1:2011 Safety requirements for electrical equipment for measurement, control and...
  • Page 17 NBK-19 The following EEC guidelines have been fulfilled: 2014/35/EU Low Voltage Directive 2014/30/EU EMC Directive 2011/65/EU RoHS (category 9) 2015/863/EU Delegated Directive (RoHS III) Hofheim, 29 July 2021 H. Volz M. Wenzel General Manager Proxy Holder NBK-19 K03/0322 Seite 17...

  • Page 18: Declaration Of Conformity

    NBK-19 14. UK Declaration of Conformity We, Kobold-Messring GmbH, Hofheim-Ts. Federal Republic of Germany, declare that the bypass level indicator fulfils the following criteria: The NBK-R bypass level indicator limit contacts conform to the standards listed below: BS EN 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use.
  • Page 19 Electrical Equipment (Safety) Regulations 2016 S.I. 2016/1091 Electromagnetic Compatibility Regulations 2016 S.I. 2012/3032 The Restriction of the Use of Certain Hazardous Substances Electrical Electronic Equipment Regulations 2012 Hofheim, 29 July 2021 H. Volz M. Wenzel General Manager Proxy Holder NBK-19 K03/0322 Seite 19...

Table of Contents