Technical Data
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| Measuring Principle | Differential conductivity |
| Characteristic | Total carbon (TOC) analyzer for trace levels |
| Measuring method | TOC determination by UV digestion and measurement of the differential conductivity |
| Size | Housing: 500 x 290 x 200 mm 19.68 x 11.41 x 7.87 in |
| Design | Stainless steel housing; IP 42 (standard), IP54 (optional) |
| Process temperature | < 50 °C (122 °F) |
| Ambient temperature | 10 to 45 °C (50 to 113 °F) |
| Process pressure | max. 0.5 bar (7.25 psi) |
| Sample flow rate | Min. 5 ml/min (0.17 fl.oz/min) |
| Consistency of the sample | max. conductivity 2 μS/cm, optional: max. 10 μS/cm; particle free |
| Specials | UV reactor with continuous function monitoring |
| Application | Determination of total carbon in ultrapure water applications, e.g. in the power or semiconductor industry, that meet the following conditions: Conductivity < 10 μS/cm pH range: neutral |
| Power supply | 100/240 V AC, 47 - 63 Hz |
| Output / communication | 0/4 to 20 mA, galvanically isolated |
| Input | 1 to optional 3 measuring channels Optinonal control input 24 V (for 1 channel instruments) |
| Measuring range | 0.5 to 1 000 μg/l (ppb) |
Low-range TOC analyzer
CA78
Precise online TOC monitoring in power plants and semiconductor production
Advantages
Real-time overview of water quality:
The online TOC analyzer provides a fast response time (t90) of 50 seconds. This enables you to react immediately to potential water contamination and effectively protect your product.
The CA78 uses proven UV oxidation and differential conductivity measurement, the most established method for reliable trace TOC analysis in ultrapure water.
The maintenance-friendly design of the analyzer combined with our global service network provides you with comprehensive measuring point support from commissioning through the entire device life cycle.
Perfectly adapted to your process requirements:
Choose between the high-precision 2 μS/cm conductivity version and the robust conductivity version tolerant up to 10 μS/cm. Reduce your investment costs with the optional 3-channel configuration.
Field of application
The total organic carbon (TOC) content has a major influence on the quality of ultrapure water. High TOC concentrations can damage the water purification system or impair the desired water quality. The CA78 online TOC analyzer provides continuous, accurate TOC monitoring, ensuring consistently high quality of the ultrapure water used in production. You retain full control over your product yield and quality.
The CA78 TOC analyzer is ideal for TOC monitoring of ultrapure water in the following industries:
Power & energy
Semiconductor production
Personal care
Disinfectant production
With the following process conditions:
Conductivity: 2 μS/cm (standard), 10 μS/cm (order option)
pH range: neutral
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Source:Endress+Hauserpublic information from the website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · EH-ONLINE Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of EH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · EH-ONLINE Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of EH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · EH-ONLINE Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of EH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · EH-ONLINE Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of EH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable EH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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