Description
Endress+Hauser CLS15E-AAHC1OB
High-precision low-range conductivity sensor designed for pure and ultra-pure water measurement in demanding industrial processes
| Brand | Endress+Hauser |
| Model | CLS15E-AAHC1OB |
| Voltage | Sensor powered via transmitter (24V DC) |
| Country of Origin | Germany |
| Weight | 0.18 kg |
| Dimensions | 120 x 24 mm |
| Warranty | 24 months |
| Certifications | CE, ATEX, IECEx, FM, CSA |
| SKU / MPN | CLS15E-AAHC1OB |
| What’s in the box | Conductivity sensor, mounting hardware, calibration certificate, instruction manual |
| Cell Constant | 0.01 cm⁻¹ |
| Measuring Range | 0.04 to 20 µS/cm |
| Process Temperature | -20 to +100 °C |
| Process Pressure | Up to 12 bar |
| Wetted Materials | Stainless steel 1.4435, PEEK |
| Process Connection | G1/2 threaded |
Key benefits: Exceptional accuracy at low conductivity, robust stainless steel construction, integrated temperature sensor, hygienic design, low maintenance, long-term stability
Typical applications: Pure water treatment, ultra-pure water systems, pharmaceutical water (WFI/Purified), semiconductor manufacturing rinse water, boiler feedwater monitoring, power plant condensate
Lifecycle: Active product with full E+H support and replacement availability
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.






David L. –
Good price for such a robust HMI. Technical documentation was clear.