Conductive Level Sensor Type NKS 11 Hengesbach



The conductive level sensors are mainly used to detect conductive threshold levels in liquids such as fruit juices, beer, milk, etc. with a minimum conductivity of 5 µS. The favor able design, with its sealing cone and the corresponding welding sockets, means that there are no places in which residues can collect. The sensor is therefore easy to clean and suitable for use in the food and pharmaceutical industry, etc. CIP- and SIP-suitability are guaranteed.

The non-corrosive materials used for the rod and insulation mean that the sensor is also suitable for corrosive media. Various process connection forms render optimal adaptation to the application possible. The sensor can be shortened, which has a positive and practical effect on storage. The electrode is coated with HALAR, which means that the threshold level detection is also suitable for foaming media.

Features:

  • conductive threshold level detection of liquid media
  • version suitable for high-hygiene environments EHEDG / FDA
  • stainless steel housing IP67
  • maintenance-free

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Specification:

Conditions of use

  
    
Type of protection IP 67 acc. EN 60529
Operating temperature max. 140 ºC
Environmental temperature -10...+60 ºC
Operating pressure Pmax=6bar

Construction

   
Electrode length 200, 500, 800, 1500 mm, can be shortened, other lengths on request
Electrical connection - cable gland M16x1.5
  - bipolar terminal (2.5 mm²)
  - optional: M12x1 connection plug
Process connection standard NKS 11: G ½ B threaded connection, 1.4571 / metal seal, torque: approx. 15 Nm
    
  optional NKS 13: G ¾ B with union nut and O-ring for welding socket, G ¾, l= 1500 mm, d= 11 mm
    
Insulation PEEK (FDA-approved)
Sensor rod stainless steel 1.4571, ø 4 mm
Coating ECTFE (HALAR), ø 0.7 mm, FDA approved

Installation instructions

   
    
- the maximum permissible torque (15 Nm) must be taken into account when fitting the sensor
    
- the tank or pipe wall must be made of metal 
    
- when installing the sensor, only use the key surface, not the connection head
    
- the process connection thread of the sensor must have free electrical contact to the wall of the pipe/tank

Download Data Sheet: Conductive Level Sensor Type NKS 11

Ref: Hengesbach.com 

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