Multisensor Systems Ltd.
Multisensor - Model MS3500 -Online Wastewater Ammonia Monitor and Analyzer
The MS3500 is the first ammonia monitor for Raw Waste Water. Its rugged construction and design allows it to reliably measure Ammonia at the very front end of a waste water treatment plant, giving the operator a level of control and knowledge presently unknown to the industry.
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It is used to:
- Monitor Raw Wastewater Intakes
- Detect high loads of ammonia at the intake
- Optimize the use of compressors and blowers in the aeration lanes
- Analyze ammonia at the effluent
- Analyze ammonia in the aeration lanes
- Identify sources of ammonia discahrges
- No sensor cleaning
- Works at Raw Waste Water Inlets
- No filters needed
- Minimum maintenance (every 3 to 6 months depending on water quality)
- Stable and reliable measurement
- Not affected by fouling, turbidity and suspended solids in a typical application
- Reagent costs less than $100 per year
- Does not block
- Alarms to SCADA and other communications interfaces
The problem and the opportunity
Ammonia levels at the intake can change a lot from day to day and from hour to hour. No instrument to date is able to measure ammonia at the raw wastewater inlet (soon after the screens) without an extensive maintenance regime or filtration system. If there was an instrument able to measure ammonia levels soon after the screens operators could:
- Improve the overall outgoing water quality
- Save on electricity costs
- Reduce chemical usage
- Optimize their process
- Identify serial offenders
- Spec: Value
- Dynamic Range: 1 ppm – 200 ppm in water
- Absolute Accuracy: Ammonia in Water: ±10%
- Repeatability: Repeated measurement, 5ppm Ammonia in Water: ±2%
- Sampling Frequency: 60/30 minutes (Contact us for other sampling periods)
- Relays: 2x, User Programmable function
- Analogue Output: 4 – 20 mA, Loop Resistance 40 Ω – 1k Ω
- Digital Outputs: Modbus, Profibus as options
- Typical Power Consumption: 70 W in normal operation
- NaOH Requirement: 10 l of 1 M NaOH per 15 Weeks
- Enclosure: GRP
- Operating Temperature: 1 °C – 50 °C