Liquiline System CA80COD
Technical Data
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| Measuring Principle | Colorimetric |
| Characteristic | Analyzer for chemical oxygen demand (COD) |
| Size | Housing (open version): 793 x 530 x 417 mm 31.22 x 20.87 x 16.42 in Housing (closed version): 793 x 530 x 463 mm 31.22 x 20.87 x 18.23 in Housing with base: 1723 x 530 x 463 mm 67.83 x 20.87 x 18.23 in |
| Design | Open design, cabinet and stand housing High-Performance plastic ASA-PC, additional stand coated steel |
| Process temperature | 4 to 40 °C (39 to 104 °F) |
| Ambient temperature | 5 to 40 °C (41 to 104 °F) Outdoor version: - 20 to 40 °C (-4 to 104 °F) |
| Process pressure | Atmospheric |
| Sample flow rate | min. 30 ml/min |
| Consistency of the sample | Aqueous homogeneous sample |
| Specials | Easy upgrade to measuring station with up to four digital Memosens sensors Automatic calibration and cleaning User-configurable measuring, cleaning and calibration intervals Self-priming analyzer with optical dosing unit l Dilution module (optional) Digital communication for remote access |
| Application | Environmental monitoring, limit value monitoring of industrial and municipal waste water |
| Power supply | 100 to 120 VAC / 200 to 240 VAC ± 10% 50 ± 1 oder 60 ± 1,2 Hz |
| Output / communication | 2x 0/4 to 20 mA Modbus RS485/TCP (optional) Webserver (optional) EtherNet/IP PROFIBUS DP Alarmrelay |
| Input | 1 measuring channel 1 to 4 digital sensor inputs for sensors with Memosens protocol (optional) |
| Measuring range | 0 to 500 mg/l O2 COD chromate method 0 to 5000 mg/l O2 COD chromate method 0 to 5000 mg/l O2 COD chromate method + dilution module (1:4) |
| Consumables | Reagents and standard solutions CY80COD are necessary for the operation |
Liquiline System CA80COD enables continuous online chemical oxygen demand (COD) measurement. It monitors the purification capacity of wastewater treatment plants and the billing system for industrial wastewater charged based on discharge volume. Automatic calibration and cleaning save operating costs, and advanced diagnostics with remote access provide process documentation to the relevant authorities. The software-controlled safety functions of the COD analyzer ensure the highest level of workplace safety.
Benefits
COD results obtained by the dichromate method are comparable to laboratory results
Meets industrial requirements: the analyzer is especially suitable for environmental monitoring and industrial and municipal wastewater monitoring
Fast and simple process connection: self-priming version for direct installation or Y-type pretreatment for use in a bypass
Highest safety level: the reactor and all connector parts feature software-controlled safety
Reliable sample transport and high-precision reagent dosing: the peristaltic pump can handle samples containing solids. A light barrier ensures repeatable high-precision reagent dosing
Simple functional upgrade to a complete measuring station: simply add modules and connect Memosens sensors
Application
The Liquiline System COD analyzer monitors:
The inlet and outlet of wastewater treatment plants for documentation and calculation of purification capacity
Industrial wastewater treatment plant discharge volumes to determine discharge fees, forming the basis of the “polluter pays principle”
Process water
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Measuring Principle Video
Source:Endress+Hauserwebsite public information
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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