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
SE 740 Optical Oxygen Sensor
Flow-independent optical oxygen sensor with fast response. Ideal for measurements in demanding hygienic environments. Steam-sterilizable, autoclavable, and CIP-capable.Features
- Flow-independent measuring principle
- No polarization required
- Replaceable sensor cap
- Integrated wear monitoring
- Stainless steel 1.4435 Inspection Certificate 3.1, Ra < 0.4 μm
- FDA compliant materials
- Digital communication
SE 706 Memosens Oxygen Sensor
Sensor in robust and hygienic stainless steel design, high accuracy and low detection limit, simple and fast maintenance due to special membrane. Also digital, with Memosens technology.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
- High level of process safety
- Durable materials
- Robust design
- Easy to clean thanks to extremely smooth surface
- Cost-efficient service due to easy-to-replace membrane module and interior body
- Hygienic design
- High resolution of 6 ppb
- Operation also in hazardous locations
SE 707 Memosens Oxygen Sensor
High resolution of low oxygen concentrations, simple and cost-efficient sensor calibration in ambient air. No calibration gases. High signal stability, also in the presence of high CO2 partial pressures.Features
- Easy to clean thanks to its extremely smooth surface
- Precalibration in the lab
- No influence of humidity in the connector
- Digital data transfer
- Integrated sensor diagnostics
- High level of process safety
- Durable materials
- Robust design
- Very simple calibration in air without calibration gases
- Cost-efficient service due to easy-to-replace membrane module and interior body
- Hygienic design
- Very high resolution of 1 ppb in the trace range
- Low cross-sensitivity to CO2
- Operation in hazardous locations
ARF 101 Flow-Through Fitting
PVC flow-through fitting for direct mounting of a 12-mm sensor. Easy mounting with adhesive sleeve, directly in the pipeline. For all sensors with Pg 13.5 connection, 12 mm diameter, and 120 mm length.Features
- Material: PVC
- DN 50 adhesive sleeve
- For sensors with Pg 13.5 connection
ARF 200/ARF 202 Flow-Through Fitting
Stainless steel flow-through fitting with a singular sensor location. It's a compact flow-through fitting designed for measurement, preferably in bypass. An adapter enables connecting sensors using various mounting techniques. Constructed from stainless steel, the fitting is suitable for high pressures and temperatures.Features
- Stainless steel 1.4571
- For sensors with G 1” or NPT 1” connection
- With adapter for sensors with PG 13.5 connection
- With adapter for fittings with G 11/4” Ingold socket
- Flow direction 90 °
- Process connection via cutting ring coupling (ARF 200) or female G 1/4” thread(ARF 202) NPT 1” female thread (ARF 202/NPT)
ARF 210 Flow-Through Fitting
Highly variable flow-through fitting made of stainless steel. Modular, versatile system design with different connection geometries and process connections. For measurements in main stream or bypass.Features
- Modular system
- Adaptable to virtually every process due to different
- Sensor adapters
- Process connections
- Material: stainless steel, 1.4571
- Measurement in main stream or bypass
- Cleaning system
ARF 240 Flow-Through Fitting
Straight flow-through fitting for direct installation in pipelines with DN 50 cross-section. For measurements in main stream or bypass.Features
- Universal application due to different sensor adapters
- Measurement in main stream or bypass
- 1.457 stainless steel
- Virtually no pressure loss caused by installed sensors
ARI 106 (H) Inline Fitting
Inexpensive and robust inline fitting for 12-mm sensors, for chemical processes and hygienic applicationsFeatures
- Adaptable to individual process conditions
- Modular design
- Material: steel or highly resistant plastic
- Suitable for chemical process media
- Suitable for hygienic applications
- CIP- and SIP-capable, autoclavable
- For pH sensors with polymeric electrolyte
- For pH sensors with pressurizable liquid electrolyte
- For oxygen or conductivity sensors with Pg 13.5 connection, 120 mm length, and 12 mm diameter
- Integrated sensor protection
- Suitable for hazardous locations
ARD 50 Immersion Fitting
Modular Fitting with an Extraordinary Range of Functions for a Single Sensor.Features
- High variability – adaptable to virtually every process
- Safe functioning, easy maintenance thanks to a special and unique design
- Easy removal/installation of the sensor adapter with just ½ turn of a coupling nut (manual)
- Removal of the sensor adapter through the top or from the bottom of the immersion pipe
- No cable twisting during sensor installation
- Sensor adapter: PG 13.5 / SE 655, SE 656 (G 3/4“) / 3/4“ NPT
- Rinse function for cleaning the sensor without opening or dismantling the fitting (PG 13,5, internal supply of rinse medium incl. check valve)
- Immersion depths: 25 – 250 cm
- Materials: PP-H, PVDF
- High pressure and temperature resistance
ARD 75 Immersion Fitting
Modular fitting for measurements with up to 3 sensorsFeatures
- High variability — adaptable to virtually every process
- Safe functioning, easy maintenance thanks to its innovative design
- Removal of the sensor adapter through the top or from the bottom of the immersion pipe
- Removal of the sensor adapter through the immersion pipe or towards the outside
- No cable twisting during sensor installation
- Sensor adapter: 3 x PG 13.5 / PG 13.5 with pressurization / SE 655, SE 656 (G 3/4“) / 3/4“ NPT / 1“ NPT, SE 680
- Rinse function for cleaning the sensors without opening or dismantling the fitting (PG 13,5, internal supply of rinse medium incl. check valve)
- Immersion depths: 25 – 250 cm