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

Ceramat WA 150 / WA 153

Pneumatic sensor lock-gate with application-specific process adaptation. Available in carbon-fiber-reinforced PVDF and PEEK (WA 150), stainless steel, titanium and Hastelloy (WA 153).

Features

  • Virtually wear-resistant
  • Sterilizable
  • Plug & Play thanks to central multiplug
  • Easy maintenance under process conditions
  • Cyclone rinsing for optimum cleaning effect
  • Superior sensor immersion depth
  • Standard sensor length (225 mm)
  • For challenging process conditions and applications

Ceramat WA 150

Inline version with application-specific process connection

Features

  • Plug & play for all process media thanks to central multiplug
  • Corrosion-proof design with smooth surfaces
  • All maintenance work possible on site
  • Drive easy to replace under process conditions
  • Cyclone rinsing for optimum cleaning effect
  • Cavity rinsing for accurate measured values and improved hygiene
  • Sensor dismount guard in conjunction with Uniclean 900/Unical 9000
  • Superior sensor immersion depth
  • Standard sensor length (225 mm)
  • Special version for electrodes with pressurizable liquid electrolyte (for 250 mm-sensors with electrolyte reservoir)
  • Wetted outer body PVDF or PEEK,carbon fiber-reinforced
  • Measurement with optical sensors(Ø 12 mm or 1/2”)

WA 154 Retractable Fitting

Proven Ceramat functionality with up to 300 mm immersion depth. Stainless steel, Hastelloy or titanium housing and ceramic lock-gate sealing.

Features

  • Gaskets replaceable during the running process
  • Usable with DN 50 and 2″ or larger ANSI flanges
  • Torsion protection for fiber-optic sensors
  • Pressure-resistant up to 10 bar at 140 °C
  • Safety pressure up to 40 bar at 140 °C

Ceramat WA160

With the Ceramat, the usual O-ring seal problems occurring in conventional retractable fittings are eliminated. The O-rings are replaced by two super polished planar ceramic disks which separate the calibration chamber from the process by a rotary movement.

WA 160 Retractable Fitting

Fully automatic retractable fitting with high immersion depth up to 2000 mm.

Features

  • Immersion depths of 600 to 2000 mm
  • Immersion tube diameter only 65 mm
  • Simple sensor replacement, even for 2000 mm immersion depth
  • Sensors: 225 mm long with solid electrolyte (gel, paste, polymer, etc.)
  • 2 independent barriers with cavity rinsing

SensoGate WA 131 M

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

Features

  • Compact, smooth, and dirt-resistant design
  • Minimum maintenance costs and maximum flexibility thanks to completely modular design
  • Very simple replacement of seals 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 limit switches 256
  • 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
  • Standard sensor length (225 mm) even for large immersion depths

SensoGate WA 131 H

Pneumatic retractable fitting for simple commercially available control units

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 check valves and limit switches
  • Fast and uncomplicated replacement of calibration chamber and immersion tube
  • All maintenance can be performed on site
  • Superior sensor immersion depth
  • Standard sensor length (225 mm) even for large immersion depths

CeraLong WA 154

Proven Ceramat functionality with up to 300 mm immersion depth. Stainless steel, Hastelloy or titanium housing and ceramic lock-gate sealing

Features

  • Usable with DN 50 and 2“ or larger ANSI flanges
  • Torsion protection for fiber-opticsensors
  • Pressure-resistant up to 10 bar at 140 °C
  • Safety pressure up to 40 bar at 140 °C

Portavo 902 pH

The portable analyser for Memosens and analog pH and ORP sensors. Robust, intuitive portable analyser for routine daily measurements in laboratories and processes.

Features

  • Memosens sensors and analog pH/ORP sensors can be used on one device
  • A sensor quiver protects the sensor from drying out or being damaged in daily use.
  • Robust housing with IP66/67, also for outdoor use
  • The mineral glass display is perfectly readable even after years
  • Temperature probe adjustment in the Memosens sensor (offset correction)

Portavo 904 X Cond

Portable, sturdy process analyser for conductivity measurement in hazardous locations. Ideal for applications in the process industry. Portavo 904 X Cond makes it possible to check process measuring points directly on site. Memosens or analog conductivity sensors can be connected to the Portavo.

Features

  • Sensor quiver protects the sensor from damage
  • The sturdy housing with IP66/67 protection is also suitable for outdoor use.
  • Data logger with 5,000 values
  • Micro USB port and Paraly SW 112 operating software
  • Mineral glass screen can still be read perfectly after many years
  • Use in hazardous locations
  • User management for access control
  • Sensor verification for clear assignment of the sensor to the device via sensor type, TAG, or group
  • Temperature detector adjustment in the Memosens sensor (offset correction)
  • Memosens sensors or analog sensors for conductivity measurement can be used with one device
  • Can be used with toroidal conductivity sensors with Memosens protocol