knick

Company Overview

Knick is a family-owned company that has been developing, producing, and selling high-quality products, specialising in interface technology and process analytics, for over 75 years. Their innovations are based on collaboration, combining the knowledge and expertise of their suppliers, customers, and sales partners. For example, the “Knick Transducer” has become synonymous with high-precision transmitters for decades, and in modern liquid analysis, Memosens technology has been established as process standard.

Products range

pH, ORP, Conductivity, Dissolved Oxygen Analyser, Probe In-line and Immersion Assemblies, Accessories, Hand-held and Laboratory Equipment, Interface technology

Products

Transmitters

  • Stratos MS Universal Transmitter for Digital Memosens pH/ORP/Conductivity and Dissolved Oxygen Sensors
  • Stratos EVO Universal Transmitter for Digital Memosens pH/ORP/Conductivity Sensors and Dissolved Oxygen sensors
  • Stratos PRO Universal 2 Wire Transmitter for Digital Memosens pH/ORP/Conductivity Sensors and Dissolved Oxygen Sensors
  • Stratos Multi Universal 2 Channel Transmitter for Digital Memosens pH/ORP/Conductivity and Dissolved Oxygen Sensors
  • Protos Multichannel Universal Transmitter for Digital Memosens pH/ORP/Conductivity Sensors
  • Memorail Universal Transmitter for Digital Memosens pH/ORP/Conductivity Sensors
  • MemoTrans Compact Universal Transmitter for Digital Memosens pH/ORP/Conductivity Sensors

Sensors

  • SE515 Memosens pH Sensor
  • SE554 Memosens pH Sensor
  • SE555 Memosens pH Sensor
  • SE557 Memosens pH Sensor
  • SE558 Memosens pH Sensor
  • SE559 Memosens pH Sensor
  • SE560 Memosens KCL pH Sensor
  • SE571 Memosens pH Sensor
  • SE563 Memosens ORP Sensor
  • SE565 Memosens ORP Sensor
  • SE5564 Memosens Dual pH/ORP Sensor
  • SE604 Memosens 2 Electrode Conductivity Sensor
  • SE605H Memosens Conductivity Sensor Hygienic Design
  • SE615 Memosens 2 Electrode Conductivity Sensor for water/waste water applications
  • SE 620 Conductivity Sensor Pharma-compliant 2-electrode Sensor in hygienic design
  • SE625 Memosens 2 Electrode Conductivity Sensor for low conductivity applications
  • SE630 Memosens 2 Electrode Conductivity Sensor for water/waste water applications
  • SE 670 Toroidal Conductivity Sensor for water/waste water applications
  • SE 655 Toroidal Conductivity Sensor
  • SE 656 Toroidal Conductivity Sensor for aggressive product applications
  • SE 680 Toroidal Conductivity Sensor hygienic design
  • SE 610 Conductivity Sensor
  • SE 600 Conductivity Sensor 4-electrode Sensor for high-pressure and high-temperature applications
  • SE 603 Conductivity Sensor 4-electrode Sensor with large measuring range providing maximum corrosion resistance, sensor materials: PTFE and platinum
  • SE715 Memosens Oxygen Sensor for water/waste water applications
  • SE740 Optical Oxygen Sensor
  • SE 706 Memosens Oxygen Sensor
  • SE 707 Memosens Oxygen Sensor - measurement of oxygen traces

Immersion Assemblies

  • ARD50
  • ARD75
  • ARD170
  • ARD220
  • ARD230
  • ARD250

Retractable Manual

  • WA130, 131, 132, 133,
  • WA 150, 153, 154, 160
  • WA125
  • WA111
  • Automatic cleaning and calibration systems

Portable Meters

  • Portavo 902
  • Portavo 904
  • Portavo 907
  • Portavo 908
  • 703, 765, 766 Calibrators

Interface Technology

  • Knick Signal Isolators
  • Knick Signal Converters
  • Overvoltage Protection & Surge Arresters
  • Knick High Voltage Transducers
  • Knick Universal Isolated Signal Conditioners
  • Knick Isolated Standard Signal Conditioners
  • Temperature Transmitters
  • Knick Loop Powered Isolators for standard signals
  • Knick Transducers for shunt applications
  • Knick Repeater Power Supplies
  • Knick Universal Transmitters
  • Knick Strain Gauge Transmitters
  • Knick Resistance Transmitters
  • Knick AC/DC Transducers
  • Knick Power Supply Units
  • Knick Frequency Conditioners

ARD 170 Submersible Fitting

Submersible fitting with sinker for field measurement with Memosens sensors.

Features

  • Submersible fitting with sinker
  • Ideal for field measurements with Memosens sensors and Portavo
  • Integrated probe guard
  • Easy to use
  • For Memosens sensors with Ø 12 mm, length 120 mm
  • Materials: PP-H or PP electrically conductive
  • Cable length: 3 m, 5 m or 10 m
  • Cable design also with ATEX certificate
  • Connection: to Portavo via M12 connector or to transmitter with ferrules

ARD 220 Immersion Fitting

Universal immersion fitting made of stainless steel (1.4571). Individually adaptable to process requirements with a range of immersion lengths, gaskets, and process connections.

Features

  • Operation with SE 560 (pH sensor with refillable liquid electrolyte) possible
  • Material: Stainless steel 1.4571
  • Sensor adapters: 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
  • Process connections: flanges,
  • Pipe clamp, catenary suspension
  • Measurement in tanks, basins and channels
  • Dirt-proof sensor mounting

ARD 230 Immersion Fitting

Universal immersion fitting designed for sensors with PG 13.5 connection. It is individually adaptable to process conditions through varying immersion lengths, materials of fitting and gaskets, and process connections.

Features

  • Adaptable to virtually every process due to different lengths: 250 to 2000 mm
  • Material: Stainless steel 1.4571
  • Sensor adapters: PG 13.5
  • Process connections: flanges, pipe clamp, and catenary suspension
  • Measurement in tanks, basins and channels
  • Dirt-proof sensor mounting

ARD 250 Immersion Fitting

Fitting for safe and easy process integration of sensors with PG 13.5 thread.

Features

  • Removal of the sensor adapter through the immersion tube or from the bottom
  • Easy removal/installation of the sensor adapter with just 1⁄2 turn of a coupling nut (manual).
  • No cable twisting during sensor installation
  • Sensor adapter: PG 13.5
  • Immersion depths: 100 / 200 cm
  • Material: PP-H
  • Safe functioning and easy maintenance thanks to its innovative design

WA 125 Retractable Fitting

Stainless-steel ball-valve fitting with integrated 2-electrode sensor for conductivity measurement.

Features

  • Large measuring range from 10 nS/cm to 1000 μS/cm
  • Integrated temperature detector
  • Retractable fitting with robust ball valve
  • Long insertion length of the sensor in the process
  • Safe and easy handling
  • Maintenance, cleaning, and replacement of the sensor during the running process
  • Sensor movement up to process pressures of 6 bars possible
  • Safe sensor locking in process position with bayonet locking mechanism
  • High level of process safety due to durable materials and robust design

SensoGate WA 130

Universal, pneumatically operated retractable fitting in a modular design for fully automatic operation.

Features

  • Compact, smooth, and dirt-resistant design with interior media routing and integrated limit-position mechanism
  • Minimum maintenance costs and maximum flexibility thanks to its completely modular design
  • Very simple replacement of gaskets due to divided calibration/cleaning chamber
  • Increased service life and reduced seal wear
  • ATEX approval II 1GD c II for the complete fitting
  • Cost reduction by simple installation, operation, and maintenance
  • Very high availability
  • Protective rinsing of the seals for a long service life
  • SensoLock for high safety of operation
  • Integrated check valves and limit switches
  • Fast and uncomplicated replacement of calibration chamber and immersion tube
  • All maintenance can be performed on site
  • Cyclone rinsing for optimum cleaning effect
  • Superior sensor immersion depth

SensoGate WA 130 H

Pneumatic sensor lock-gate for demanding fully automated process applications in hygienic areas

Features

  • Steam-sterilizability validated for all process-wetted parts incl. rinsing/calibration chamber
  • Compact, smooth, and dirt-resistant design with interior media routing and integrated limit-position mechanism
  • Directed flow rinses the process seal from the process side as well as from the inside of the fitting
  • Perfect sensor cleaning effect by cyclone rinsing
  • Safe separation to the process during probe movement and prevention of re-contamination
  • Double gaskets with leakage bores prevent microbial contamination of the drive
  • Broad applications in hygienic conditions
  • Cost reduction by simple installation, operation, and maintenance
  • Very high availability
  • Protective rinsing of the seals for a long service life
  • SensoLock for high safety of operation
  • Integrated check valves and limit switches
  • Fast and uncomplicated replacement of calibration chamber and immersion tube
  • All maintenance can be performed on site

SensoGate WA 131

Pneumatic retractable fitting for simple commercially available control units or process applications

Features

  • Compact, smooth, and dirt-resistant design
  • Minimum maintenance costs and maximum flexibility thanks to completely modular design
  • Very simple replacement of gaskets due to divided calibration/cleaning chamber
  • Increased service life and reduced seal wear
  • ATEX approval II 1GD c II for the complete fitting
  • Cost reduction by simple installation, operation, and maintenance
  • Very high availability
  • Protective rinsing of the seals for a long service life
  • SensoLock for high safety of operation
  • Integrated check valves and limit switches

SensoGate WA 131 MH

Innovative manual retractable fitting with safe-to-operate rotary drive

Features

  • Steam-sterilizability validated for all process-wetted parts incl. rinsing/calibration chamber
  • Directed flow rinses the process seal from the process side as well as from the inside of the fitting
  • Perfect sensor cleaning effect by cyclone rinsing
  • Safe separation to the process during probe movement and prevention of recontamination
  • Double gaskets with leakage bores prevent microbial contamination of the drive
  • Broad applications in hygienic conditions
  • Cost reduction by simple installation, operation, and maintenance
  • Very high availability
  • Protective rinsing of the seals for a long service life
  • SensoLock for high safety of operation
  • Integrated limit switches 262
  • Fast and uncomplicated replacement of calibration chamber and immersion tube
  • All maintenance can be performed on site

WA 132 / WA 133 (M) Retractable Fitting

Ultra-Resistant Retractable Fittings

Features

  • Extremely high chemical resistance
  • All process-wetted parts made of PTFE:
  • Anti-adhesive
  • Good resistance to hot water
  • FDA compliant
  • Fully modular concept
  • Immersion tube and calibration chamber easily replaceable
  • PTFE calibration chamber in stainless steel frame, preventing cold flow and wear
  • Cyclone rinsing – effective sensor cleaning
  • Operation with PG 13.5 sensors or liquid-filled sensors
  • Operation with Unical 9000/Uniclean 900
  • Pneumatic or manual operation
  • Optimal operation with lined fittings