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    • Industries
      • Interface Technology
        • Railway
        • Energy
      • Process Analytics
        • Pharma and Biotech
        • Chemistry
        • Food and Beverage
        • Water and wastewater
        • Energy
    • Products
      • Interface Technology
        • ProLine
          • Railway Transducers
          • High Voltage Transducers
          • Universal Isolated Signal Conditioners
          • Isolated Standard Signal Conditioners
          • Temperature Transmitters
          • Loop-Powered Isolators for Standard Signals
          • Transducers for Shunt Applications
          • Repeater Power Supplies
          • Universal Transmitters
          • Strain Gauge Transmitters
          • Resistance Transmitters
          • AC/DC Transducers
          • Power Supply Units
          • Frequency Conditioners
        • BasicLine
          • Universal Isolated Signal Conditioners
          • Isolated Standard Signal Conditioners
          • Mains-Powered Isolators for Standard Signals
          • Loop-Powered Isolators for Standard Signals
          • Signal Doublers
          • Repeater Power Supplies
          • Temperature Transmitters
          • Set-Point Alarm Relays
        • Indicators
          • Loop-Powered Digital Indicators in Panel-Mount Housing
          • Loop-Powered Digital Indicators in Field Housing
      • Process Analytics
        • Industrial Transmitters
          • Protos II 4400 (X)
          • Protos 3400 (X)
          • Stratos
          • MemoRail
          • Digital Communication
        • Industrial Sensors
          • pH Sensors
          • ORP Sensors
          • Conductivity Sensors
          • Oxygen Sensors
          • MemoSuite
        • Automatic Cleaning and Calibration Systems
        • Fittings
          • Immersion Fittings
          • Flow-Through Fittings
          • Inline Fittings
          • SensoGate Retractable Fittings
          • Ceramat Retractable Fittings
          • Ball Valve Fittings
      • Laboratory
        • Portable Meters
          • Portavo
        • Laboratory Sensors
          • pH Sensors
          • Conductivity Sensors
          • Oxygen Sensors
        • Laboratory Meters
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      • News
        • Blog
        • Events
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        • Newsletter
      • Quality Management
        • KTA Approval
        • QM System
        • ATEX / IECEx
      • Code of Conduct
    • Contact
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      • Email to Knick
      • How to Find Us

Industrial Transmitters Industrial transmitters for pH, ORP, conductivity and oxygen.
2- or 4-wire configuration, explosion-protected.
Industrial Sensors For measuring pH, ORP, conductivity or oxygen in industrial applications,
we offer analog as well as digital Memosens Sensors.
Fittings Holders and fittings from Knick provide safety and convenience
when it comes to measuring pH, ORP, dissolved oxygen and conductivity.

Home > Products > Process Analytics

Industrial Products for Process Analytics

Analytic devices, sensors and fittings

Knick has been advising and supporting companies worldwide on process analytics for 75 years.
In addition to analog and digital sensors for measuring pH, ORP, conductivity and oxygen, Knick also offers high-quality industrial measuring instruments and fittings. Knick systems for automatic cleaning and calibration are unique solutions on the market.

Industrial Transmitters

Industrial transmitters for pH, ORP, conductivity and oxygen. 2- or 4-wire configuration,...

Selection MatrixProtos II 4400 (X)Protos 3400 (X)StratosMemoRailmore
Digital Communicationless

Industrial Sensors

pH, ORP, conductivity and oxygen sensors for industrial applications. Analog and digital Memosens....

Selection MatrixpH SensorsORP SensorsConductivity SensorsOxygen Sensorsmore
MemoSuiteless

Automatic Cleaning and Calibration Systems

Fully automatic process monitoring in combination with the Protos process analysis system and a SensoGate or...

Unical 9000Uniclean 900

Fittings

Holders and fittings from Knick provide safety and convenience when it comes to measuring pH, ORP, dissolved...

Selection MatrixImmersion FittingsFlow-Through FittingsInline FittingsSensoGate Retractable Fittingsmore
Ceramat Retractable FittingsBall-Valve Fittingsless

Slide Memosens Academy Get to know more about digital advanced liquid analysis...
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Knick Elektronische Messgeräte­ GmbH & Co. KG

Beuckestraße 22
14163 Berlin
Tel.: +49 30 80191-0
Fax: +49 30 80191-200
info@knick.de

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Fittings

  • Static Fittings
  • Retractable Fittings

Static Fittings

ARD 50ARD 50 ELARD 75ARD 75 ELARD 170ARD 220ARD 230ARD 250ARF 101ARF 200/202ARF 201ARF 203ARF 210ARF 215ARF 240ARI 106 (H)
Type
  Immersion Fitting●●●●●●●●
  Flow-Through Fitting●●●●●●●
  Inline Fitting●
Sensors & Adapters
  pH sensor●●●●●●●●●●●(●)●●●●
  pH sensor with pressurization ●●(●)●●●
  Conductivity sensor, conductive●●●●●●●●●●●●●●
  Conductivity sensor, inductive●●●●●●
  Oxygen Sensor●●●●●●●●●●●●●●●
  Optical sensor
  Combination with retractable fitting●●●
Ex Approval
Material, Process-Wetted
  Stainless Steel●●●●●●●
  Polymer ●●●●●●●●●●
  Hastelloy●●
  Titanium
  PFA
Process Connection
  Flange●●●●●●●●●●
  ANSI Flange●●●●●●●
  Hygienic Adaptations●
  Ingold●
  For Open Basins●●●●●●●●
  Thread connection (G, NPT)●●●●●●●●●●
Hygienic Application●
Immersion Depth (mm)
  ≤ 70 mm
  ≤ 100 mm
  ≤ 135 mm
  ≤ 250 mm●●●●●●●
  ≤ 500 mm●●●●●●●
  ≤ 1 m●●●●●●●●
  ≤ 2 m●●●●●●●
Max. Pressure (bar)
  Unpressurized●●●●●●●●●●●●●●●●
  ≤ 0,3 bar●●●●●●●●●●●●●●●●
  ≤ 0,5 bar●●●●●●●●●●●●●●●
  ≤ 1 bar●●●●●●●●●●●●●
  ≤ 3 bar●●●●●●●●●●
  ≤ 6 bar●●●●●●●●●
  ≤ 10 bar●●●●●
  ≤ 15 bar●
  ≤ 20 bar●
Max. Temperature (C°)
  ≤ 50 °C●●●●●●●●●●●●●●●●
  ≤ 80 °C ●●●●●●●●●●●●●●●
  ≤ 100 °C●●●●●●●●●●
  ≤ 120 °C●●●●●●●●●●
  ≤ 135 °C●●●●●●
  ≤ 160 °C●●

Retractable Fittings

WA 130WA 130 HWA 131WA 131 HWA 131 MWA 131 MHWA 132 WA 133WA 133 MWA 150/153WA 154WA 160WA 125
Type
  Retractable Fitting●●●●●●●●●●●●
  Retractable Fitting, Ceramic Seal●●●
  Ball Valve Fitting●
Ex Approval●●●●●●●●●●●●
Material, Process-Wetted
  Stainless Steel●●●●●●●●●●●●●
  Polymer ●●●●●
  Hastelloy●●●●●●
  Titanium●●●●●
Process Connection
  Flange●●●●●●●●
  ANSI Flange●●●●●●●●
  Hygienic Adaptations●●●●●●●●
  Ingold●●●●●●
Hygienic Application●●●●●●●●●
Automatic●●●●●●●●●
Manual●●●●
Immersion Depth (mm)
≤ 70 mm●●●●●●●●●●
≤ 100 mm●●●●●●●●●●
≤ 135 mm●●●●●
≤ 250 mm●●
≤ 500 mm●
≤ 1 m●
≤ 2 m●
Max. Pressure (bar)
Unpressurized●●●●●●●●●●●●●
≤ 3 bar●●●●●●●●●●●●●
≤ 6 bar●●●●●●●●●●●●●
≤ 10 bar●●●●●●●●●●●●
Max. Temperature (C°)
≤ 50 °C●●●●●●●●●●●●●
≤ 80 °C ●●●●●●●●●●●●●
≤ 100 °C●●●●●●●●●●●●●
≤ 120 °C●●●●●●●●●●●●●
≤ 135 °C●●●●●●●●●●●

Industrial Sensors

  • pH / ORP Sensors
  • Conductivity Sensors
  • Oxygen Sensors

pH / ORP Sensors

SE 503SE 515SE 546SE 554SE 555SE 557SE 558SE 559SE 560SE 571SE 564 SE 565
Measurement parameterspHpHpHpH / ORPpH / ORPpHpHpHpHpHORPORP
pH / ORP Range0 … 140 … 140 … 140 … 14 / ± 1500 mV0 … 14 / ± 1500 mV0 … 140 … 140 … 140 … 140 … 14± 1500 mV± 1500 mV
Temperature-5 … 80 °C-5 … 80 °C-15 … 135 °C0 … 130 °C0 … 135 °C-20 … 100 °C / 0 … 135 °C-5 … 100 °C-5 … 100 °C-20 … 80 °C (100°C)0 … 130 °C0 … 130 °C0 … 135 °C
Pressure, Relative0 … 2 bar0 … 4 bar0 … 10 bar0 … 10 bar-1 … 6 bar-1 … 6 bar-1 … 3 bar0 … 6 bar-1 … 0,5 (3) bar0 … 12 bar0 … 10 bar-1 … 6 bar
Temperature DetectorYesYesYesYesYesYesYesYesYesYesYesYes
pH Glass / Electrode MaterialUniversalUniversalISFETUniversalHigh temperatures, high pH valuesLow / high temperatures, universal, high pH valuesUniversalUniversalLow temperatures, universalUniversalPlatinumPlatinum
JunctionCeramic, 2xGround glass sleeveCeramicHoleCeramicCeramicCeramic, 3x Annular junctionPlatinum (3x)PTFE ringHoleCeramic
Reference ElectrolyteGelGelPolymer Polymer Gel, pressurized Liquid, refillableGel with KCl reservoirPolymer Liquid, refillableGel with KCl reservoirPolymer Gel, pressurized
ConnectorVPMemosensMemosensMemosens / VPMemosens / VP / S8Memosens / VPMemosens / VPMemosensVP / MemosensMemosensMemosens / S8Memosens
MountingPg 13.5Pg 13.5Pg 13.5Pg 13.5Pg 13.5FittingPg 13.5Pg 13.5Pg 13.5Pg 13.5Pg 13.5Pg 13.5
CertificationATEXATEXATEXATEXATEXATEXATEXATEXATEXATEX

Conductivity Sensors

Conductivity SensorsSE 600SE 603SE 604SE 605 (H)SE 610SE 615SE 620SE 630SE 655SE 656SE 670SE 680
Measurement ParametersCondCondCondCondCondCondCondCondCondICondICondICondI
Measuring Range0.5 µS/cm … 600 mS/cm0.5 µS/cm … 600 mS/cm0 … 500 (1000) µS/cm0 ... 600 µS/cm ± 2 %
600 ... 1000 µS/cm ± 4 %
0.1 … 1000 µS/cm10 µS/cm … 20 mS/cm0.05 … 50 µS/cm10 (5) µS/cm … 20 (50) mS/cm0.001 … 2000 mS/cm0.001 … 2000 mS/cm0.02 … 2000 mS/cm0,02 … 2000 mS/cm
Measuring Principle4 electrodes4 electrodes2 electrodes2 electrodes2 electrodes2 electrodes2 electrodes2 electrodesInductiveInductiveInductiveInductive
Temperature0 … 210 °C0 … 120 °C-20 … 120 °C-20 … 135 °C10 … 90 °C-5 … 80 °C0 … 135 °C-20 … 135 °C-20 … 125 °C-20 … 125 °C0 … 60 °C-10 … 125 °C
Pressure, Relative0 … 25 bar0 … 12 bar0 … 25 bar0 … 25 bar0 … 6 bar0 … 4 bar0 … 16 bar0 … 16 bar0 … 20 bar0 … 16 bar0 … 10 bar0 … 10 bar
Temperature DetectorYesYesYesYesYesYesYesYesYesYesYesYes
Electrode MaterialStainless steel 316 LPlatinum1.4571 stainless steelStainless steel 1.4435Stainless steel 1.4435GraphiteStainless steel 1.4435Graphite------------
Body MaterialPTFE / stainless steel 316 LPTFE1.4571 stainless steelStainless steel 1.4435PEIPolysulfoneStainless steel 1.4435PESPEEKPFAPPPEEK virgin FDA
ConnectionFixed cableFixed cableMemosens / 7-pin connectorMemosensFixed cableMemosensVPMemosens / 5 m cable5 m fixed cable5 m fixed cableM12M12
Mounting1“ weld nipple Special flangeG 1“ threadIngold socketG 1/2" threadPg 13.5Clamp DN 25G 1" threadG 3/4" threadG 3/4" threadVariousVarious
CertificationATEXATEXATEXATEXATEXATEX

Oxygen Sensors

Oxygen SensorsSE 706SE 707SE 715SE 740
Measurement Parameters Oxy Oxy Oxy Oxy
Measuring Range 6 ppb ... saturation 1 ppb ... saturation 10 ppb … 20 ppm 4 ppb … 25 ppm
Measuring Principle Amperometric Amperometric Amperometric Optical
Temperature Range, Oxy Measurement 0 … 80 °C 0 … 80 °C -5 … 45 °C -10 … 85 °C
Pressure, Relative -0.8 … 5 bar -0.8 … 5 bar 0 … 2 bar -1 … 12 bar
Body Material 1.4404 stainless steel 1.4404 stainless steel Polysulfone / stainless steel Stainless steel 1.4435
Sterilization Capability Steam max 135 °C Steam max 121 °C Steam max 140 °C
Connection Memosens / VP Memosens / VP Memosens M12
Mounting Pg 13.5 Pg 13.5 Pg 13.5 Pg 13.5
Approval ATEX ATEX

Industrial Transmitters

Protos II 4400Protos 3400 Stratos MultiStratos EvoStratos MSStratos ProStratos EcoMemoRailMemoRail ModbusStratos Pro PA/FFStratos Evo DP
4-Wire●●●●●●●●●
2-Wire●●
Class 1, Division 1IECEx, ATEXFM, CSA, IECEx, ATEXFM, CSA, IECEx, ATEXIECEx, ATEX
Class 1, Division 2IECEx, ATEXFM, CSA, IECEx, ATEXIECEx, ATEX2IECEx, ATEXFM, CSA, IECEx, ATEXFM, CSAULIECEx, ATEX
Memosens Sensors●●●●●●●●●●
Analog Sensors●●●●●●●●
Multi-Parameter Digital●●●●●●●●●
Multi-Parameter Analog●●●●●●
Multi-Channel Digital●●●pH/pH, pH/OXY●
Multi-Channel Analog●●Cond/CondCond/Cond
Pfaudler Sensor Compatible●●●●●●●
4…20 mA output222/4221/222
HART / AMS Compatible●●●
Profibus DP●
PROFIBUS PA / FOUNDATION Fieldbus●●●
Modbus RTU●●
Relays●●●●●●●
4…20mA Input●●●●●
Digital Input ●●●●●●●
Input for SE 740 Optical Oxygen Sensor●●●●●●
Display - Colored Backlighting ●●●●●
Display - White / Alarm: Red●●
Matrix Display●●
Memosens Diagnostics●●●●●●●●●
Unical/Uniclean Probe Controller●

1 coming soon
2 Multiparameter nur mit analogen Sensoren und Modul; Memosens nur für pH/ORP

video