Specs at a glance
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Measuring range
k=0.01: 0 to 20 µS/cm
k= 0.1: 0 to 200 µS/cm -
Process temperature
-30 to 160 °C (-22 to 320 °F)
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Process pressure
Max. 40 bar up to 100 °C (max. 580 psi up to 212 °F) without CLA 751 flow chamber
Max. 12 bar up to 150 °C (max. 174 psi up to 302 °F) with CLA 751 flow chamber
Field of application
Condumax CLS12 is a robust conductivity sensor for steam/water cycles in power plants. It is optimized for low conductivities (even under high temperatures and pressures) to protect your processes from deposits and corrosion. Low maintenance and simple to commission (large connection compartment), this is the ideal sensor for tough environments.
Condumax CLS12 measures conductivity in the steam/water cycle in the power & energy industry:
Condensate monitoring
Boiler feedwater monitoring
Boiler blowdown control
The sensor can be used in all low conductivity applications with high temperatures and pressures.
With its international explosion protection approvals, such as ATEX and FM, the sensor is suitable for hazardous area use.
Benefits
Reliable and accurate measuring values at low conductivities
Optimized for high pressures and temperatures up to 160°C (320°F)
Easy cleaning thanks to stainless steel body and removable outer electrode
Robust design for high durability
Quality certificate stating the individual cell constant
Videos
Predecessor
Success stories
.jpg "Memosens technology cuts maintenance, improves system reliability in chilled water system")
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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
|
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 |
Most downloaded
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Technical Information (TI)
TI Condumax CLS12
English version - 05/2026
Conductivity sensor for high-temperature applications
EN 05/05/202621/02/202201/06/200301/01/200301/05/2000Language:
English
Version:
05/05/2026
File size:
822.3 KB
File name:
TI00082CEN_1426-00.pdf
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Explosion Protection
Product family: CeraGel, CeraLiquid, ConduMax H, ConduMax W, InduMax H, InduMax P, Memosens, OrbiPore, OrbiSint
Russian version - 04/2025
Product root: CLS12-, CLS13-, CLS15-, CLS15E-, CLS16B-, CLS16E-, CLS21-, CLS21E-, CLS50-, CLS50D-, CLS54-, CLS82E-, COS22E-, COS51E- , COS81E-, CPS11-, CPS11E-, CPS12-, CPS12E-, CPS16E-, CPS31E-, CPS41-, CPS41E-, CPS42E-, CPS47E-, CPS61E-, CPS62E-, CPS71-, CPS71E-, CPS72-, CPS72E-, CPS76E-, CPS77E-, CPS91-, CPS91E-, CPS92E-, CPS96E-, CPS97E- Region: Kazakhstan Approval agency: T-Standard Protection: Ex i Zone 0
Language:
Russian
Version:
10/04/2025
File size:
22.7 MB
File name:
CoC EAC KZ 7500525 01 01 02089.pdf
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28 documents
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Technical Information (TI)
TI Condumax CLS12
Conductivity sensor for high-temperature applications
EN 05/05/202621/02/202201/06/200301/01/200301/05/2000Language:
English
Version:
05/05/2026
File size:
822.3 KB
File name:
TI00082CEN_1426-00.pdf
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Operating Instruction (BA)
BA Condumax CLS12/CLS13
Conductivity sensors for high-temperature applications
EN 27/04/202610/10/201731/10/2016Language:
English
Version:
27/04/2026
File size:
3 MB
File name:
BA01641CEN_0326-00.pdf
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Installation Instructions (EA)
Kit CLS12/CLS13 outer sleeve
For the replacement of the outer sleeve of conductivity sensors
CLS12/CLS13EN 01/03/2023Language:
English
Version:
01/03/2023
File size:
479.9 KB
File name:
EA01471CEN_0123-00.pdf
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Ex Safety Instruction (XA)
Condumax CLS12, CLS13
Supplement to: BA01641C
Safety instructions for electrical apparatus in explosion-hazardous
areas
UK II 1G Ex ia IIC T6..T3 Ga (CLS12)
UK II 1G Ex ia IIC T6..T2 Ga (CLS13)Language:
English
Version:
31/12/2021
File size:
438.9 KB
File name:
XA02808CEN_0121-00.pdf
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Ex Safety Instruction (XA)
XA Condumax CLS12, CLS13, CLS15, CLS16B, CLS21
Conductivity sensors with conductive measurement of conductivity
CSA C/US IS Cl. I Div. 1 GP A-D T3/T4/T6 + CSA C/US IS Cl. I Zone 0 AEx ia IIC T3/T4/T6EN 02/02/202603/07/2025Language:
English
Version:
02/02/2026
File size:
496.4 KB
File name:
XA03346CEN_0225-00.pdf
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Ex Safety Instruction (XA)
XA Condumax CLS12, CLS13, CLS15, CLS16B, CLS21
Conductivity sensors with conductive measurement of conductivity
INMETRO Ex ia IIC T6 ... T3 GaEN 26/09/2024Language:
English
Version:
26/09/2024
File size:
511 KB
File name:
XA03308CEN_0124-00.pdf
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Ex Safety Instruction (XA)
XA Condumax CLS12, CLS13, CLS15, CLS16B, CLS21
Conductivity sensors with conductive measurement of conductivity
NEPSI Ex ia IIC T6 ... T2 GaEN 12/04/2024Language:
English
Version:
12/04/2024
File size:
602.6 KB
File name:
XA03295CEN_0124-00.pdf
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Ex Safety Instruction (XA)
XA Condumax CLS12, CLS13, CLS15, CLS16B, CLS21
Conductivity sensors with conductive measurement of conductivity
EAC Ex 0Ex ia IIC T6 ... T2 Ga (only CLS13)
EAC Ex 0Ex ia IIC T6 ... T3 Ga (CLS12, CLS15, CLS16B and CLS21)EN 26/02/2026Language:
English
Version:
26/02/2026
File size:
498.8 KB
File name:
XA03711CEN_0126-00.pdf
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Ex Safety Instruction (XA)
XA Condumax CLS12, CLS13, CLS15, CLS16B, CLS21
Conductivity sensors with conductive measurement of conductivity
ATEX II 1G Ex ia IIC T6 ... T2 GaEN 10/01/202413/12/202101/05/200801/03/2003Language:
English
Version:
10/01/2024
File size:
497.6 KB
File name:
XA00083CEN_1423-00.pdf
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Fields of Activities (FA)
Sensors, transmitters, compact devices and assemblies
Experts in Liquid Analysis
Language:
English
Version:
02/02/2026
File size:
4.2 MB
File name:
FA00007C_EN_Analyse_22-26_LowRes.pdf
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3 products & bundles
3 products
Often bought together
Accessories
- Calibration solution CLY11-A, 74,0 uS/cm
- Calibration solution CLY11-B,149,6 uS/cm
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