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Knick Immersion Fittings

Safety and convenience for pH, ORP, dissolved oxygen, and conductivity measurements.

Fittings Title

Overview

Within our product line, you'll find a diverse array of fittings to suit various measurement needs. This includes immersion, inline, and flow-through fittings, along with retractable fittings and fully automatic calibration and cleaning systems.

Designed for challenging environments such as high pressures, high temperatures, and highly corrosive or aggressive media, our process fittings ensure reliable performance.

Ideal for applications in industries like chemicals, pharmaceuticals, paints, oil, and sugar, our retractable fittings are the top choice. Additionally, we offer retractable fittings for fiber optic sensors in our portfolio. With options ranging from PVDF, PEEK to stainless steel, our flexible in-house manufacturing ensures fittings are available in a variety of materials to suit every process adaptation.

Immersion Fittings

Knick's immersion fittings facilitate the introduction of sensors into tanks, boilers, basins, and flow-carrying open channels. They allow for easy and safe sensor replacement while providing built-in rinsing function for cleaning.

With their special and unique design and a wide range of available materials, our immersion fittings offer high variability and can be adapted to virtually any process requirement.

     ARD 50
The ARD 50 immersion fitting is a modular solution designed for single sensor applications, offering a wide range of functions and features:
 
  • Highly adaptable to various processes with its unique design.
  • Easy maintenance and safe operation.
  • Simple sensor removal/installation with a ½ turn of a coupling nut.
  • Options for sensor adapter removal from the top or bottom of the immersion pipe.
  • Rinse function for sensor cleaning without dismantling the fitting.
  • Immersion depths ranging from 25 to 250 cm.
  • Constructed from durable materials such as PP-H and PVDF, ensuring high pressure and temperature resistance.
  • Versatile process connections and cable gland options.
  • Suitable for measuring in tanks, basins, and channels across industries including water treatment, chemical, petrochemical, and power plants.

Download PDF: Knick ARD 50 Datasheet

ARD 70 3
    ARD 75
The ARD 75 immersion fitting is a versatile modular solution designed for measurements with up to 3 sensors, offering a range of functions and features:
 
  • Highly adaptable to various processes with its unique design.
  • Safe functioning and easy maintenance.
  • Sensor adapter removal options from the top or bottom of the immersion pipe.
  • No cable twisting during sensor installation.
  • Supports multiple sensor adapter types.
  • Rinse function for sensor cleaning without dismantling the fitting.
  • Immersion depths ranging from 25 to 250 cm.
  • Constructed from durable materials such as PP-H and PVDF, ensuring high pressure and temperature resistance.
  • Versatile process connections and cable gland options.
  • Suitable for measuring in tanks, basins, and channels across industries including water treatment, chemical, petrochemical, and power plants.

Download PDF: Knick ARD 75 Datasheet

Download PDF: Knick ARD 75 EL Datasheet

ARD 75
     ARD 220

The ARD 220 immersion fitting facilitates simultaneous measurement with up to 3 sensors, offering adaptability, durability, and precise measurements in demanding industrial environments.

  • Adaptable Design: Accommodates various process requirements with immersion lengths ranging from 260 to 2000 mm.
  • Material: Stainless steel 1.4571.
  • Sensor Adapters: Supports 3 x PG 13.5, SE 670 G1, SE 655, SE 656 (G3/4“), SE 680, G1 for SE 604-MS, SE 605-MS, SE 630-MS.
  • Operation with SE 560 (pH sensor with refillable liquid electrolyte) possible.
  • Process Connections: Flanges, pipe clamp, catenary suspension.
  • Measurement Locations: Tanks, basins, and channels.
  • Dirt-proof Sensor Mounting: Smooth, break-free design ensures cleanliness.
  • Universal Immersion Fitting: Made of stainless steel (1.4571), individually adaptable to process requirements with a range of immersion lengths, gaskets, and process connections.
  • Applications: Chemical and petrochemical industry, power plants, electroplating, ore processing; high stability and warp resistance.

Download PDF: Knick ARD 220 Datasheet

ARD 220
     ARD 230

The ARD 230 immersion fitting provides a compact solution for small-diameter applications, ensuring precise measurements and durability in various industrial settings.

    • Adaptability: Offers different lengths from 250 to 2000 mm, suitable for various processes.
    • Material: Constructed from stainless steel 1.4571 for durability.
    • Sensor Adapters: Compatible with PG 13.5 connectors.
    • Process Connections: Includes options for flanges, pipe clamps, and catenary suspension.
    • Measurement Locations: Suitable for tanks, basins, and channels.
    • Dirt-proof Sensor Mounting: Smooth, break-free design ensures cleanliness.
    • Universal Immersion Fitting: Accommodates sensors with PG 13.5 connection, adjustable to process conditions with different immersion lengths, materials, gaskets, and process connections.
    • Applications: Ideal for the chemical and petrochemical industry, power plants, electroplating, and ore processing, offering high stability and warp resistance in demanding environments.

Download PDF: Knick ARD 230 Datasheet

ARD 230
    ARD 250

The ARD 250 immersion fitting provides a secure and convenient solution for integrating sensors with PG 13.5 threads into various industrial processes, particularly in water treatment applications. Its unique design ensures ease of maintenance and sensor replacement.

  • Safe Functioning, Easy Maintenance: Ensured by a special and unique design.
  • Simple Sensor Adapter Handling: Installation/removal with just ½ turn of a coupling nut (manual).
  • Versatile Sensor Adapter Removal: Possible through the top or bottom of the immersion pipe.
  • No Cable Twisting: Ensured during sensor installation.
  • Sensor Adapter Compatibility: Designed for PG 13.5 thread sensors.
  • Immersion Depths: Available in 100 or 200 cm options.
  • Material: Constructed from PP-H for durability.
  • Process Connections: Options include DN 50 flange with sliding flange bushing, wall holder, and catenary suspension.
  • Cable Glands: Equipped with EPDM cap and cable support sleeves for secure cable management.
  • Applications: Suitable for tanks, basins, and channels, facilitating safe sensor installation for measuring variables such as pH value, conductivity, or oxygen content.

Download PDF: Knick ARD 250 Datasheet

ARD 250
     ARD 170

The ARD 170 submersible fitting facilitates safe insertion of Memosens sensors into liquid media, making it suitable for various applications including tanks, boilers, basins, and open channels with flow.

  • Submersible Design: Equipped with sinker for safe immersion into liquid media.
  • Ideal for Field Measurements: Specifically designed for use with Memosens sensors and Portavo.
  • Integrated Probe Guard: Ensures sensor protection during operation.
  • User-Friendly: Easy to use and operate in various field conditions.
  • Sensor Compatibility: Suitable for Memosens sensors with Ø 12 mm and length 120 mm.
  • Materials: Available in PP-H or PP electrically conductive options for durability.
  • Cable Length: Options of 3 m, 5 m, or 10 m for flexibility in installation.
  • ATEX Certification: Cable design available with ATEX certificate for enhanced safety.
  • Connection Options:
  • Direct connection to Portavo via M12 connector.
  • Connection to transmitter using ferrules.

Download PDF: Knick ARD 170 Datasheet

ARD 170

Supplied by DP-Flow

If you require further information on this product or would like a quotation, please contact dp-flow on: