W.A.S. Wasser-Abwasser Systemtechnik GmbH
About
W.A.S. Wasser-Abwasser Systemtechnik GmbH, based in Braunschweig, Germany, develops and manufactures hydrometric measurement technology for water and wastewater infrastructure monitoring. Founded in 1985 and ISO 9001:2015 certified, the company produces battery-operated data loggers, ultrasonic and optical flow measurement systems, water level sensors, and precipitation monitoring instruments purpose-built for sewer networks and groundwater applications. The MDS 5 series represents five generations of compact data loggers designed for the water and sewage sector, available in configurations supporting stationary and mobile deployment with optional modem modules for wireless data transmission. The UFO-Ex provides portable ultrasonic flow measurement in sewer pipes, while the Kanalagent-II offers continuous battery-powered water level monitoring. The GaugeKeeper uses a patented optical image-processing method to determine water levels without contact with the measured medium, and the Dipper-PTEC probe simultaneously measures water level, temperature, and conductivity in groundwater. W.A.S. also develops software platforms including the WAS-Datenportal cloud visualization system, File Inspector evaluation software, and WBedien device configuration tool. Since 1996, the company has operated a state-recognized testing laboratory accredited to calibrate flow measurement devices and throttle systems per German EKVO and SüwVO regulations, having tested approximately 2,000 flow devices and 5,000 throttle devices.
Key Products
Compact, battery-operated measurement data collector specifically designed for water level recording in sewer systems and groundwater monitoring, now in its 5th generation.
Wireless modem module that docks directly with MDS data loggers for remote data transmission from field measurement stations.
Battery-operated ultrasonic measuring system for mobile flow rate measurement in sewer pipes and open channels.
Modern battery-operated system for continuous water level measurement in sewer networks and drainage systems.
Patented image-processing system that determines and logs water levels using optical measurement, avoiding contact with the measured medium.
Continuous measurement probe for water level, temperature, and conductivity in groundwater and surface water monitoring applications.
Aluminum-housed rain gauge data collector with 48,000 mm capacity for precipitation monitoring at measurement sites.
Water level measurement system using the bubbler technique for accurate surface water level monitoring without direct sensor contact.
Weighing-principle precipitation sensor measuring both liquid and solid precipitation with ±1% accuracy for hydrological monitoring.
Supplementary module for upgrading MDS 5-S data loggers to enable stationary flow measurement capabilities.
Cloud-based SCADA system developed with partners for real-time visualization, monitoring, and management of measurement data from water and wastewater networks.
Universal evaluation software for displaying measurement data series in numerical and graphical formats for data analysis and reporting.
User-friendly software for operating, configuring, and reading out all W.A.S. measurement systems and devices.
Comprehensive service including planning, deployment, operation, and evaluation of measurement campaigns for flow monitoring and sewer network analysis.
State-recognized testing and calibration of flow measurement devices and throttle systems per German EKVO and SüwVO regulations.
Analytical service to identify and quantify extraneous water infiltration into sewer systems, helping municipalities reduce treatment costs.
Monitoring service for stormwater retention basins including overflow frequency, volume, and duration measurement for regulatory compliance.
Analysis and optimization of wastewater pump station operations to improve energy efficiency and reduce maintenance costs.
Short-term rental of measurement devices with training for temporary monitoring campaigns without capital equipment investment.
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