Water monitoring
as the delay awaiting lab-based test results. This technique also safeguards against the potential of high volume scrappage. The sensors are also quick to install and configure, featuring plug- and-play operation with Bürkert’s online water analysis system via the included fieldbus gateway. With no moving parts, the sensors are also maintenance-free and optical measurement ensures long-life operation. Bürkert’s online analysis system, available in
oxygen demand (COD) organic. Both tests measure a sample from just a single moment of time. Whether an individual sample is tested by the end user or sent to a lab, environmental conditions don’t stay the same for long and a changing situation, such as overnight rain, could quickly increase the level of nitrates and impurities. Any water produced between test results has the potential to be wasted if parameters are found to have been exceeded, therefore reducing this time period to almost zero saves any wastage.
ONLINE MONITORING To increase the frequency and accuracy of measuring nitrates and organic impurities in water, giving a more reliable overall picture of the levels, Bürkert has added two new sensor probes to its online, real time water analysis system. The Type MS09 nitrate sensor provides constant, high accuracy measurement of nitrate with precision between 0-50 mg/l. Utilising a xenon flash lamp to measure nitrate by UV optical
absorption, organic and turbidity compensation removes negative influences to optimise measurement reliability. In addition, the MS08 SAC254 sensor, utilising spectral absorption coefficient (SAC) UV light at 254 nm, provides optical absorption measurement of organic impurities with reliable LED technology. Providing continual monitoring of dissolved organic compounds, including BOD and COD matter, the sensor also measures TOC (total organic carbon) with monitoring of activated carbon filters to determine saturation levels.
PLUG AND PLAY INTEGRATION Continual, automated monitoring removes the resources required for periodic testing as well
the Type 8905 compact modular platform and the Type 8906 cabinet format, monitors all important water parameters on one platform, now adding nitrates and organic impurities to the measurement of pH, chlorine/chlorine dioxide, conductivity, redox potential, turbidity, and temperature. Based on highly reliable CANbus, the prevalent protocol within the automotive sector, Bürkert’s EDIP network enables fast integration with the PLC and Ethernet-based network of choice.
Bürkert Fluid Control Systems
www.burkert.co.uk
‘‘
Continual, automated
monitoring removes the resources required for periodic testing as well as the delay awaiting lab-based test results.
Instrumentation Monthly November 2022 ’’
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