
Specs at a glance
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Measurement range
100 µS/cm to 2000 mS/cm
Cell constant k : 6.3 1/cm -
Process temperature
Max. 125 °C (max. 257 °F)
For sterilization: up to 150 °C for max. 60 min
(up to 302 °F for max. 60 min) -
Process pressure
12 bar abs up to 90 °C
(174 psi abs up to 194 °F)
Field of application
Smartec CLD134 is a measuring system for inductive conductivity in the food & beverage and life sciences industries. The combination of a transmitter and a sensor is interference-free and especially easy-to-use. It meets the highest hygienic and sterile demands thanks to its food-grade virgin PEEK body, its jointless and creviceless design and its hygienic certificates. Smartec CLD134 is therefore the ideal package to ensure the highest safety and quality of your products and processes.
The hygienic Smartec CLD134 measures toroidal conductivity in food & beverage and life science applications:
Phase separation of product/water and product/product mixtures in pipe systems
Control of CIP processes in the return channel
Concentration control in remaking of CIP cleaning agents
Product monitoring in pipe systems, bottling plants, quality assurance
Leakage monitoring
It features the following protocols and interfaces:
0/4...20mA
HART
PROFIBUS DP
PROFIBUS PA
Benefits
Unique hygienic design avoids recontamination
With all hygienic certificates required in hygienic and sterile applications
Certified biocompatibility according to USP class VI
Compliant with EG 2023/2006 and 1935/2004
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Suitable for cleaning-in-place (CIP) and sterilization-in-place (SIP)
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Durable thanks to encapsulated, jointless design
Videos
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The conductivity of a liquid can be measured using the conductive or toroidal measuring principles. This video shows what it is about and how these measuring principles work.
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Measuring principle
Inductive
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Application
Food, beverage, dairies, breweries and pharmaceutical industries, biotechnology
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Characteristic
Specifically intended for use in hygienic applications and especially suitable for following applications:
Phase separation, control of CIP, concentration control, product monitoring, leakage monitoring -
Measurement range
100 µS/cm to 2000 mS/cm
Cell constant k : 6.3 1/cm -
Measuring principle
Inductive conductivity measurement
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Design
Hygienic design with FDA certified virgin PEEK body including all hygienic certifications
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Material
In contact with medium: Virgin PEEK
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Process temperature
Max. 125 °C (max. 257 °F)
For sterilization: up to 150 °C for max. 60 min
(up to 302 °F for max. 60 min) -
Process pressure
12 bar abs up to 90 °C
(174 psi abs up to 194 °F) -
Temperature sensor
Pt 1000
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Connection
Dairy pipe, aseptic-fitting, Clamp ISO 2852, SMS-2", Varivent N DN 40-125, Neumo Biocontrol D50
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Ingres protection
IP67
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Output / communication
Conductivity, concentration and temperature. 0/4 to 20 mA, HART, Profibus
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Additional certifications
FDA, EHEDG, 3A
Biological reactivity USP class VI part <87> and <88>
EC Regulation No. 1935/2004
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