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

Bus communication: HART, FOUNDATION Fieldbus, Profibus DP and PA. Robust industrial housing with high IP protection. Suitable for outdoor applications. For analog and digital sensors. Easy and intuitive operation. From the DIN rail transmitter to the fully modular system.

Protos II 4400 (X)

Flexible, 4-wire device for the following process variables: pH, ORP, conductivity and oxygen.

Modular premium transmitter for all requirements. Versatile. Expandable. Ensuring process safety.

Protos II 4400 (X) is a flexible, 4-wire device for the following process variables: pH, ORP, conductivity and oxygen.

For monitoring and controlling processes even in the most complex applications — also in hazardous areas.

Protos II 4400 S/C (X) - Basic Unit

With hygienic surface or corrosion-proof coating

The Protos II 4400 (X) premium transmitter is a flexible, 4-wire device for the following process variables: pH, ORP, conductivity and oxygen.

For monitoring and controlling processes even in the most complex applications — also in hazardous areas.

Retrofits Possible, Future-Proof
Protos II 4400 (X) features a unique modular design and freely accessible wiring with a clear layout. The option for easy retrofitting and upgrading ensure planning security today and in the future. Different Ethernet and Fieldbus modules enable digital communication and seamless integration into automation systems.

Wide Sensor Selection
Protos II 4400 (X) is the only process analysis system that can be flexibly combined with Memosens and other digital or analog sensors — in multi-channel mode as well. With Memosens technology, up to 6 measuring channels can be imple-mented in parallel.

Status Messages acc. to NE 107
All status messages for maintenance requests, failure, out of specification, and function check (HOLD) are output as specified in NE 107.

Reliable and Safe Thanks to Memosens Technology
Digital sensors with inductive signal transmission — contactless sensor couplings ensure the reliable analysis of liquid in all environments. Sensors that are pre-calibrated in the labo-ratory deliver maximum availability and reduced maintenance efforts at the point of measurement. Even for non-specialist employees, sensors can be replaced on site in just a matter of seconds.

Modular Concept for maximum flexibility
Protos II 4400 offers space for a total of three different, freely combinable measuring and communication modules. Later retrofits and modifications are no problem.

Measuring modules and additions

pH / ORP

Modules for operation with analog or digital sensors as required: for simultaneous measurement of pH value, ORP and temperature.

Available in designs for glass, ISFET, and double high- resistance differential sensors (pNa).

Conductivity
Oxygen
Communication Modules
Output Extension
Digital Measuring
Controller
MemoView

Protos 3400 (X)

Universal measuring system with 3 user-selectable slots for measuring, extension, and communication modules. Also 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.

Protos 3400 (X) - Basic Unit

With hygienic surface or corrosion-proof coating

The modular measuring system for pH, conductivity and oxygen, for application in hazardous and safe areas.

The hygienic stainless steel enclosure is ideal for applications in:

  •  biotechnology
  •  the pharmaceutical industry
  •  the food industry

The sturdy, corrosion-resistant, coated  steel enclosure stands up well to harsh industrial environments. For applications in:

  •  the chemical industry
  •  the paper industry
  •  power station engineering
  •  water/wastewater technology

Modular Concept

3 module slots for maximum functionality

The hardware modules are EMC shielded and completely encapsulated to ensure maximum availability. The modules are galvanically isolated from each other.

Knick’s product portfolio includes a broad range of more than thirty different modules with distinct functions. Up to 3 modules can be combined depending on the measuring task. Later retrofits and modifications are no problem.

pH / ORP

Input modules for pH measurement with glass electrodes, ISFET and enamel sensors. Simultaneous measurement of pH values, ORP, and temperature.

Conductivity
Oxygen
Communication Modules
Output Extension
Digital Measuring
Controller
Progalog Configuration Tool
Probe Controllers

Stratos

Comprehensive product family in 2- and 4-wire versions, with BUS communication and explosion protection.

  • Robust plastic housing, also for outdoor applications
  • Display with colored backlighting for status diagnostics
  • Easy, icon-based operation
  • For digital Memosens and analog sensors
  • Large terminal compartment for easy installation.

With its exceptional range of functions and application-oriented design, the Stratos series is well-established in the entire chemicals industry, in process and power plant engineering and in the pharmaceutical and biotechnology industries.

Universal application options in indoor and outdoor areas, in all conceivable network architectures, and the virtually unlimited combination options with almost all commercial sensors for fluid analysis have made Stratos the standard product in national and international production systems.

Stratos Multi

The Multiparameter Transmitter

The latest generation of our proven Stratos process analyzers for Memosens, digital, and analog sensors. Multiparameter functionality provides flexibility.

High-resolution display for an intuitive, self-explanatory user interface. Advanced Process Control with Ethernet interfaces.

  • 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:
    • CIP/SIP and autoclaving counter
    • Sensor diagram
    • Remaining sensor service life

Stratos Pro

2-wire transmitters providing comprehensive features

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 Evo

4-wire analyzers for versatile applications

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

One Device for pH, ORP, Conductivity and Oxygen
The 4-wire multi-parameter device for measuring pH values, ORP, conductivity (conductive or inductive) or dissolved oxygen has a particularly powerful HighPower broad-range power supply on board, allowing for the use of optical oxygen sensors in addition to analog and Memosens sensors.

Stratos MS

4-wire multiparameter devices

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

Affordable Multi-Parameter Transmitter
With the Stratos MS, Knick is now offering a low-cost, purely digital version of its Stratos analyzers that can be configured to measure pH value, ORP, conductivity (conductive or inductive) and dissolved oxygen. Designed for digital Memosens sensors, the Stratos MS is the counterpart to the Stratos Eco analog analyzer.

Unique User Interface
The self-explanatory user interface guarantees comfortable and intuitive handling.

Stratos Eco

4-wire devices for analog sensors

Stratos Eco is our series of high-tech analyzers available at reasonable prices.

Backed by a 3-year warranty, the 4-wire devices for the measurement of pH values, ORP, conductivity or oxygen are highly reliable even in the long run.

  • 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

These powerful basic versions now provide superior Knick technology for standard applications in a wide range of industrial and infrastructural sectors – from water treatment to seawater desalination to fish farming.

Uncompromisingly good
From the calibration timer to the GainCheck automated device self-test, from the red alarm LED to the Sensocheck sensor monitoring system.

MemoRail - Compact Transmitters

Maximum Performance in a Minimum of Space

MemoRail is the first genuinely compact, digital analyzer for measuring pH/ORP, conductivity, oxygen and temperature with Memosens and digital sensors.

  • Space-saving modular housing
  • Multiparameters: measurement of pH/ORP, conductivity, oxygen and temperature
  • Multi-channel version for digital and contactless Memosens sensors
  • Communication: 4-20 mA or Modbus RTU protocol
  • Simple configuration via DIP switches

The compact MemoRail and MemoRail Modbus multiparameter transmitters offer an attractively priced solution in process analytics with a broad range of applications. They are perfectly suited for use in numerous industry segments, such as chemicals, pharmaceuticals, biotechnology, food and beverage, or energy.

Because of their narrow modular housing, these DIN rail devices are ideal for installations where space is limited.

Plug & Measure
Pre-calibrated Memosens and digital sensors reduce operating costs and maximize the availability of the measuring point.

MemoRail

Compact transmitters for all Memosens sensors

MemoRail A 1401 is the first genuinely compact, digital analyzer for measuring pH/ORP, conductivity, oxygen and temperature with Memosens and digital sensors.

  • Space-saving modular housing, 12.5 mm wide
  • Multiparameters: measurement of pH/ORP, conductivity, oxygen and temperature
  • Memosens communication
  • 2 current outputs: 4 to 20 mA, active or passive
  • 24 V DC power supply (via plug-in terminals or DIN rail bus connector) or 90 to 230 V AC/DC VariPower broad-range power supply
  • Simple configuration via DIP switches

Two analog active / passive 4 … 20 mA outputs supply the measured values for the process variable and temperature to the process control system or a PLC.

Plug & Measure
Pre-calibrated Memosens sensors reduce operating costs and maximize the availability of the measuring point.

MemoRail Modbus A 1405 N

Compact Transmitter with Modbus Interface

Compact Multiparameter Measuring Device for Memosens and Digital Sensors.

  • Slim modular housing with 17.5 mm width
  • Connects directly into PLC/HMI without a redundant display
  • Memosens communication
  • 1- and 2-channel version
  • Multi-Parameter: With pH/ORP combo sensors, measurement of up to four process values simultaneously plus temperature
  • Modbus RTU protocol with standard RS-485 interface
  • DTM for PACTware™ FDT or UnityPro XL FDT version 13
  • Up to 32 devices in parallel on a Modbus master
  • Calibration from PLC/HMI
  • Sensor diagnostics can be displayed along with process variables
  • Power supply 24 V DC
  • 3-year warranty

MemoRail Modbus is a space-saving transmitter with Modbus RTU interface in a 17.5 mm modular housing. Available as a 1- or 2-channel version for operation with contactless Memosens sensors as well as the SE 680 digital conductivity sensor and the SE 740 optical oxygen sensor.

MemoView

ZU 1059

Mobile tool for the contactless, on-site visualization of Knick Memosens measuring points without a display.

  • Contactless readout of sensor data when using Memosens sensors and the corresponding Knick transmitters
  • One device for all parameters
  • Direct power supply to MemoView via Portavo
  • Measured value display on site at Knick transmitters without process interruption
  • Saving sensor data via MemoLog
  • Data logger function for measured value recording via Portavo
  • Predictive maintenance at a glance thanks to graphical display of sensor diagram and sensor monitor
  • Sensor calibration record can be called up without separating the sensor from the Knick measuring point

MemoTrans

Ultra compact transmitter for Memosens sensors. Quick installation and simple operation.

MemoTrans, the first 2-wire multiparameter transmitter in a compact housing with direct connection to Memosens sensors.

  • Operation via HART FDI package
  • Compact housing with IP 67/68, NEMA 6
  • Multiparameter
  • Green/red LEDs for status display

Multiparameter
One device for all Memosens sensors and parameters:

  • pH
  • ORP
  • Conductivity
  • Oxygen

Compact Housing
The slim, compact housing combines functionality and robustness. The space-saving MemoTrans can be used everywhere and with all Knick fittings. Robust and with a high degree of protection (IP 67/68, NEMA 6), MemoTrans is also optimally suited to complex applications.