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Probe STK

Probe STK

Rod probe STK

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  • with stainless steel process connection

  • With up to 5 probe systems

  • Fluid Temperature: -15°C ... 150°C

Application description

The STK rod probes are used in conjunction with the evaluation units (eg, SRA-100-U0) is used for level detection and level control in conductive liquids.

Depending on the number of bars and evaluation devices used, different measurement tasks such as Overflow, dry run, two-step control, moisture detection, etc. are realized.

Depending on model selected can include the container wall as a mass, to be implemented to 5 switch points. The ground connection is made in the probe head and is transferred through the threads on the conductive container.

In the probe head, an additional module (diode module LBM) for permanent circuit monitoring to be installed.


In the case of a line break between the electrode probe and an appropriate evaluation, the evaluation issue an alert.

By stainless steel process connection, the probe is to 20bar pressure stable and in conjunction with the ETFE- resp. E-CTFE coating, process temperatures up to +150 ° C can be realized.

Technichal Informations

Process pressure max: -1...+20 bar

Medium temperature: -15°C...150°C

Protection: IP65 EN/IEC 60529

Material connection housing: CrNi-steel / POM / PP / PTFE

Material Process connection: Steel 1.4404 (AISI316L) resp. 1.4571 (AISI316Ti) 

Material probe rod: Steel 1.4404 (AISI316L) resp. 1.4571 (AISI316Ti) / Hastelloy C22 / Titan (medium contact)

Isolation probe rod: PA / ETFE resp. E-CTFE

Gaskets: Medium contact: Electrode isolation PA: NBR / Electrode isolation ETFE resp. E-CTFE: FPM, Others: NBR, FPM