Title

Try searching by key words, order- or product code or serial number e.g. “CM442” or “Technical information”
Enter at least 2 characters to start the search.

Low-range TOC analyzer CA78

Precise online TOC monitoring in power plants and semiconductor production

Low-range TOC analyzer CA78

Precise online TOC monitoring in power plants and semiconductor production

This product is not available in this region.

Please contact your Endress+Hauser sales partner for any further questions.

Benefits

  • Real-time overview of water quality: The online TOC analyzer measures continuously with a fast response time (t90) of 50 seconds. This enables you to react immediately to potential water contamination and to protect your product effectively.
  • CA78 uses proven UV oxidation and differential conductivity measurement which is the most-established method for reliable TOC trace analysis in ultrapure water.
  • The analyzer's maintenance-friendly design in combination with our worldwide service network offers you complete support for the measuring point, from commissioning throughout the entire lifespan of the device.
  • Perfect adaption to your process needs: Select between the high-precision 2 µS/cm conductivity version and the robust version that tolerates 10 µS/cm. Reduce your investment costs by the optional 3 channel configuration.
FLEXible answers to individual needs
Current product

Low-range TOC analyzer CA78

F
L
E
X
  • High-end products
  • Highly functional and convenient

What is FLEX?

FLEX selections
Technical excellence
Simplicity
F
L
E
X
Fundamental selection Meet your basic measurement needs
F
L
E
X
Lean selection Handle your core processes easily
F
L
E
X
Extended selection Optimize your processes with innovative technologies
F
L
E
X
Xpert selection Master your most challenging applications
Variable
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

Learn more

24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

Register now / Log in

Save to list *Saved to list
Office situation support
Have questions about this product?

Product information

Specifications
Measuring / Application task Analyser
No results found Try adjusting your search terms to see more results.
Description

Total organic carbon (TOC) content strongly influences the quality of ultrapure water. A high TOC concentration can cause damage of water purification systems or compromise the required water quality. The CA78 online TOC analyzer provides continuous, accurate TOC monitoring ensuring consistently high quality of the ultrapure water used in your production processes. You gain full control of your product yield and quality.

Field of application

The CA78 TOC analyzer is perfectly suited to TOC monitoring of ultrapure water in the following industries:

  • Power & Energy
  • Semiconductor production
  • Bodycare
  • Disinfectant production

With the following process conditions:

  • Conductivity: 2 µS/cm (standard), 10 µS/cm (order option)
  • pH range: Neutral
Benefits
  • Real-time overview of water quality: The online TOC analyzer measures continuously with a fast response time (t90) of 50 seconds. This enables you to react immediately to potential water contamination and to protect your product effectively.
  • CA78 uses proven UV oxidation and differential conductivity measurement which is the most-established method for reliable TOC trace analysis in ultrapure water.
  • The analyzer's maintenance-friendly design in combination with our worldwide service network offers you complete support for the measuring point, from commissioning throughout the entire lifespan of the device.
  • Perfect adaption to your process needs: Select between the high-precision 2 µS/cm conductivity version and the robust version that tolerates 10 µS/cm. Reduce your investment costs by the optional 3 channel configuration.
Downloads
Most downloaded
Operating Instruction (BA)
BA TOC Analyzer CA78 Determination of trace levels of total organic carbon (TOC)
English version - 03/2025
Download
Technical Information (TI)
TI TOC Analyzer CA78 Determination of trace levels of total organic carbon (TOC)
English version - 03/2025
Download
Innovation (IN)
Safe deionized water in power plant and semiconductor production Precise and reliable online monitoring of low-range TOC values
with the CA78 analyzer
English version - 02/2022
Download
All downloads
117 Downloads
Technical Information (TI)
TI TOC Analyzer CA78 Determination of trace levels of total organic carbon (TOC)
English version - 03/2025
Download
Operating Instruction (BA)
Most downloaded
BA TOC Analyzer CA78 Determination of trace levels of total organic carbon (TOC)
English version - 03/2025
Download
Innovation (IN)
Safe deionized water in power plant and semiconductor production Precise and reliable online monitoring of low-range TOC values
with the CA78 analyzer
English version - 02/2022
Download
Innovation (IN)
Sicheres deionisiertes Wasser für Kraftwerke und Halbleiterproduktion Zuverlässige Online-Überwachung niedriger TOC-Werte
mit dem Analysator CA78
German version - 05/2022
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Slovenia) standard solution CY78/CY79 TOC
Slovenian version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Ukraine) standard solution CY78/CY79 TOC
08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (New Zealand) standard solution CY78/CY79 TOC
English version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (United Kingdom) standard solution CY78/CY79 TOC
English version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Czech Republic) standard solution CY78/CY79 TOC
Czech version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Austria) standard solution CY78/CY79 TOC
German version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Belgium) standard solution CY78/CY79 TOC
French version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (European Union) standard solution CY78/CY79 TOC
English version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Spain) standard solution CY78/CY79 TOC
Spanish version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (India) standard solution CY78/CY79 TOC
English version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Finland) standard solution CY78/CY79 TOC
Finnish version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Poland) standard solution CY78/CY79 TOC
Polish version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (China) standard solution CY78/CY79 TOC
Chinese version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Türkiye) standard solution CY78/CY79 TOC
Turkish version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Russia) standard solution CY78/CY79 TOC
Russian version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Philippines) standard solution CY78/CY79 TOC
English version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Indonesia) standard solution CY78/CY79 TOC
08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Columbia) standard solution CY78/CY79 TOC
Spanish version - 08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Bulgaria) standard solution CY78/CY79 TOC
08/2026
Download
Reagents/standard solutions/cleaner for analyzer
CY78-CY79-G7Tx (Germany) standard solution CY78/CY79 TOC
German version - 08/2026
Download

Back
Change version
Change version

Spare parts and accessories

further parts
further parts

TOC standard solution CY78

further parts
further parts
Order code CY78-
further parts
further parts

Kit CA78/79 UV reactor

further parts
further parts
Order code 71543527
further parts
further parts

Kit CA78/79 tube for pump

further parts
further parts
Order code 71543543
further parts
further parts

Kit CA78/79 hose connectors

further parts
further parts
Order code 71543544
Spare parts and accessories