Ra-COMBO® At-line analyzer BOD & Toxicity
The Ra-COMBO® is a renowned respirometric at-line analyzer for conducting semi-automated analysis on the biolgical activity of activated sludge. The system basically measures the respiration rate (expressed as mg O2/l.h), one of the most important parameters for the biological activity of activated sludge. The analyzer determines short-term Biological Oxygen Demand (BODst) and toxicity (organic / inorganic inhibition) on grab samples of waste water or influent streams.
The unique design of the Ra-COMBO® At-line Analyzer overcomes the disadvantages of other analyzer designs using two oxygen sensors. Instead, the respiration rate measurement used is a patented technology using a single DO-electrode. Today, the respiration technology used knows many references, either in a laboratory environment or in processes.
Application fields
- Toxicity assessment of incoming wastewater
- Tankcleaning companies
- BODst (short-term BOD) measurement of waste water treatment plant
- Simulation of treatment processes
- Research ends
Patented respiration technology
- Use of real sludge from WWTP for measurement
- Measurement at same pH as WWTP
- Measurement at same temperature as WWTP
- Direct BODst related measurement by using respiration rate instead of oxygen concentration
General features
Human interface: 10.4" color touch screen with excellent viewing angle and graphics. Can remotely be taken over by LAN ethernet software (VNC).
Visualization of the BOD and respiration activity in real-time
Standard auto-cleaning
First class and robust moving components such as low-speed peristaltic pumps and patented single O2 electrode Respiration Module.
Incorporated industrial PC with result & alarm data export (1000 results including sample stream, date, time)
Multifunctional sealed USB port on left side of the housing (result download, program upload, reporting)
Communication: active 4 - 20 mA, Ethernet, RS232, TCP-IP
Weight: 40 kg (107 lbs.)
Options / Extra
This system is also available as an on-line analyzer for process ends. Please check our On-line Analyzers Suite.
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