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

Memorail Transmitter

MemoRail is the first genuinely compact, digital analyser for measuring pH values, ORP, conductivity, oxygen and temperature with Memosens sensors. Two analog active / passive 4 to 20 mA outputs supply the measured values for the process value and temperature to the process control system or a PLC.

Applications

  • Drinking water
  • Wastewater, sewage plants
  • Aquaria, fish farms, greenhouses
  • Fermentation
  • Rinsing equipment
  • Car wash systems
  • Water treatment plants/equipment
 

Protos 3400 (X)

Universal measuring system with 3 user-selectable slots for measuring, extension, and communication modules. Also ideal for use in hazardous areas. The modular hardware and software concept of the Protos process analysis system allows the free combination of measuring, extension, and communication modules for flexible adaptation to any application.

SE 503 pH Sensor

Robust and insensitive to contamination, making it deal for low-temperature applications. Low-cost, low-maintenance and reliable pH measurement.

Features

  • Low maintenance, no refilling or pressurizing of electrolyte
  • Integrated temperature detector
  • Robust due to plastic body
  • Integrated probe guard
  • VP connector
  • Plastic body

Stratos MS Transmiter

The digital Stratos MS multiparameter device can be configured to measure pH, ORP, conductivity (conductive/inductive) or oxygen.
  • Digital multiparameter transmitter
  • Convenient and intuitive user interface
  • VariPower 20 to 253 V AC/DC broad-range power supply
  • For digital Memosens sensors

Stratos Evo Transmitter

Stratos Evo offers pioneering solutions for analysis of pH, ORP, conductivity (conductive or inductive) and oxygen using 4-wire technology.
  • Intuitive operation with color-coded user guidance
  • For digital Memosens and analog sensors
  • Diagnostic functions for Memosens sensors
  • High-performance HighPower broad-range power supply
  • Power supply for external 2-wire transmitters (pressure or flow transmitters)
  • Digital communication
    • PROFIBUS-DP
    • HART

Stratos ECO Transmitter

Stratos Eco is our series of high-tech analysers available at reasonable prices. Backed by a 3-year warranty, the 4-wire devices can be used for the measurement of pH values, ORP, conductivity or oxygen.
  • Powerful basic version including calibration timer and Sensocheck function
  • Self-explaining user interface for intuitive handling
  • VariPower 20 to 253 V AC/DC broad-range power supply
  • Ex classification Class I Div. 2

Stratos Pro 2 Wire Transmitter

Stratos Pro offers pioneering solutions for analysis of pH, ORP, conductivity (conductive or inductive) and oxygen using 2-wire technology.
  • Intuitive operation with color-coded user guidance
  • For digital Memosens and analog sensors
  • Extensive diagnostic functions with Memosens sensors
  • IP 67/NEMA 4X protection
  • Explosion protection: Zone 1 / Class 1 Division 1 (with sensor in Zone 0).
  • Digital communication:
    • PROFIBUS-PA
    • FOUNDATION-Fieldbus
    • HART

Stratos Multi Transmitter

The latest generation of our proven Stratos process analysers for Memosens, digital, and analog sensors, offering multiparameter functionality for enhanced flexibility.

Features

  • 1- and 2-channel version with 4 current outputs and 3 freely configurable relay contacts
  • Multiparameter for pH/ORP/conductivity/oxygen
  • Self-explanatory, multi-lingual user interface
  • TFT display with full-text menu
  • 4-wire transmitter with broad-range power supply 24 … 230 V AC/DC
  • Predictive maintenance for optimal process management.
  • Measurement with Memosens, digital, and analog sensors
  • Secure digital interconnection of PCS, devices, and sensors via EtherNet/IP and PROFINET
  • HART Communication
  • Memory cards for data recording or firmware update
  • Access control

SE 515 Memosens pH Sensor

Designed for MemoRail applications, high stability and a long life cycle. With its ground-glass sleeve junction, the SE 515 Memosens pH Sensor is applicable even in heavily contaminated media.

Features

  • Perfect galvanic isolation thanks to Memosens technology
  • No influence of humidity in the connector
  • Precalibration in the lab
  • Digital data transfer
  • Integrated sensor diagnostics
  • Low maintenance,
  • No refilling of electrolyte
  • Integrated temperature detector
  • Ground-glass sleeve junction
  • Sigma glass, low impedance for low-temperature applications

SE 554 Memosens pH/ORP Sensor

A special design that provides high accuracy, stability, speed, and a long life cycle. Through 2 open junctions, the reference system is in direct contact with the measured medium. There is hardly any risk of contamination or blocking of the junction.

Features

  • Simultaneous measurement of pH and ORP
  • Perfect galvanic isolation thanks to Memosens technology
  • No influence of humidity in the connector
  • Precalibration in the lab Digital data transfer
  • Integrated sensor diagnostics
  • Low maintenance; no refilling of electrolyte
  • Integrated temperature detector
  • Open junctions, no blocking