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Food & Beverage
Dairy Food & Beverage

ILM-4 Inductive Conductivity Sensor

Conductivity Sensors, CIP Control, IO-Link, Process Analytics

Now with 5 years warranty! More details: click here

ILM-4: The new generation of conductivity sensors. With IO-Link

Anderson-Negele’s ILM-4 inductive conductivity sensor-transmitter offers an all in one design that makes integration and commissioning a fast and simple task. Built with flexibility in mind, the ILM-4 can offer multiple outputs freely configurable to multiple conductivity measurements at independent ranges or a combination of conductivity and temperature. With only 1.2 sec the sensor response time is extrelemy short, enabling real-time control. Unlike other inductive sensors, the ILM-4 has a fast reacting integral PT1000 sensor that can be used to monitor process temperature eliminating the need for a second temperature sensing device. Available in multiple wiring configurations, the ILM-4 configurable with single cable operation for simple conductivity applications or dual cable operation to utilize all available output and input capabilities. Standard with all models is an operational range up to 999 mS/cm and temperature compensation over a range of 0° and 150°C.

ILM-4 new generation conductivity sensors

Measurement of conductivity of liquid media for

  • Controlling of CIP processes (e. g. phase transition detergents / water)
  • Concentration measurement (e.g. Alkali and acid concentration in remaking)
  • Monitoring of product quality & quality control

The new conductivity meter ILM-4 is compatible with the predecessor models ILM-2 and ILM-3.

All details about IO-Link properties, parameters, diagnostics, events and more can be found in the IODDViewer. Just click here.

Add-On Instructions (AOI) are available at www.anderson-negele.com/aoi

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Technical Specification

Process Connection CLEANadapt G1" / Tri-Clamp / Varivent
Insertion length 20 / 50 mm
Wetted material Stainless steel, 1.4305, SW 36 mm
Wetted material 2 PEEK (FDA conform)
Measuring range 0.000...0.001 (1 μS/cm) up to 100...999 mS/cm (1000 μS/cm)
Accuracy Slope ±2% of measurement value | Offset ±20 μS/cm
Available versions Compact | Remote | Horizontal head | Vertical head
Temperature range process 14...266 °F (-10...+130 °C)
Temperature range CIP/SIP Up to 302 °F (150 °C) max. 60 min
Operating pressure max. 16 bar
Communication 4…20 mA, IO-Link (Flex-Hybrid Technology)
Dimensions / weight ø 63 mm, approx. 750 gr.
ILM-4 Benefits

Benefits in production and CIP / SIP processes:
ILM-4 with IO-Link and 4...20 mA enables an active, automated and temperature compensated phase separation. This applies both to different media in production processes and to the CIP / SIP return flow of acid / caustic/ water. These media can be drained or returned to the storage tanks in the highest possible grade by means of precise inline conductivity measurement. The multiple use of the cleaning media ensures in addition maximum cost efficiency and environmental protection.

 

Benefits in cleaning agents control:
For an optimal and reproducible cleaning result, each cleaning agent must be concentrated to the specified value by re-dosing with concentrate and fresh water. This is ensured by the highly precise measurement of conductivity with the ILM-4.

 

Advantages of the ILM-4 conductivity sensor:
Extremely short response time (1.2 s) for maximum efficiency / Ready for IIOT: digital IO-Link interface and analog 4...20 mA data transmission in parallel / Precise phase transition of different media means less product loss and cost reduction / Optimum multiple use of the cleaning chemicals due to correct return to the respective tanks / Minimization of cleaning time and water consumption: inline conductivity analysis for active switching after reaching the desired value and not after a passive, fixed time / Precise concentration control of the cleaning agents / Reliable product monitoring and quality assurance / Very favourable price-performance ratio

Application

Videos

ILM 4 conductivity meter machined toroid design

PEEK toroid of the ILM-4 conductivity meter doesn’t crack

Demo of the operational screen selection on the ILM-4 conductivity meter

Instructions on how to change the operating range of an ILM-4 conductivity meter

How to change the temperature units on an ILM-4 conductivity meter

How to program the Temperature Compensation parameter of an ILM-4 conductivity meter

How to password protect the programming of an ILM-4 conductivity meter

How to remove the password lock of an ILM-4 conductivity meter

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Configuration and 3D Data

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