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Endress+Hauser CLS21-C1E4A analog conductivity sensor. Measures 10 µS/cm–20 mS/cm, G1" PES body, 4-pin DIN plug, integrated Pt100, ATEX certified for harsh environments.
Product Overview
The Endress+Hauser CLS21-C1E4A is a robust 2-electrode conductive conductivity sensor from the Condumax CLS21 series. Designed for medium to high conductivity ranges, it features a G1" threaded process connection in PES material and a 4-pin DIN connector with integrated Pt100 temperature sensor. This sensor is ATEX certified for use in hazardous areas and is built to withstand harsh process conditions in water treatment and chemical applications.
Robust Process Design: The PES sensor body and graphite electrodes offer high chemical and thermal stability, suitable for aggressive media and temperatures up to 135°C.
Integrated Temperature Compensation: Built-in Pt100 sensor ensures accurate conductivity readings across the full operating range without requiring an external temperature probe.
Hazardous Area Compliance: Certified for use in ATEX Zone 1 (and typically FM/IECEx) explosive atmospheres, making it ideal for chemical and petrochemical plants.
Plug-and-Play Connector: The 4-pin DIN connector (Pg9) allows for quick sensor replacement and easy connection to compatible transmitters like the Liquisys series.
Applications
Industrial Water Treatment: Conductivity monitoring in demineralization, reverse osmosis (RO), and cooling water systems.
Chemical Process: Concentration measurement of acids, alkalis, and process solutions in mixing and dosing applications.
Phase Separation: Interface detection (e.g., product/water) in pipelines and tanks based on conductivity differences.
Potable & Wastewater: General water quality monitoring in municipal and industrial effluent streams.
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Agent,Importer,Trading Company
Year Established:
2012
Total Annual:
2000000-3000000
Employee Number:
>50
Ecer Certification：
Verified Supplier
A Decade of Global Excellence in Electromechanical Trade
ACH established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.
We specialize in supplying world-leading brands such as Bradley,Pe... A Decade of Global Excellence in Electromechanical Trade
ACH established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.
We specialize in supplying world-leading brands such as Bradley,Pe...
