6 Water / Wastewater Lightweight pCO2
Turner Designs (USA) is very excited to offer C-sense, a compact, lightweight pCO2
Sensor for Measuring Gas in Liquids sensor for measuring the partial pressure of gas in
liquids. Designed for applications involving immersion in water, oil, or water and oil mixtures, C-sense combines an oil-resistant membrane interface with a compact temperature-compensated non-dispersive infrared (NDIR) detector. Small (<2” x 8”; 5cm x 20.3cm) and lightweight (<1lb; 0.5 kg) with low power requirements (6-12V DC, 80mA 6VDC) and a simple 4-pin analog output, C-sense is designed to easily integrate with monitoring systems at a signifi cantly lower price than traditional submersible pCO2
confi gurations – 1000ppm, 2000ppm or 4000ppm with accuracies at 3% of full-scale and can be deployed to a depth of 600m.
C-sense was developed specifi cally for Turner Designs by Pro-Oceanus Systems Inc in Nova Scotia, Canada. Pro-Oceanus has been providing the oceanographic research community with accurate submersible pCO2
sensors for more than 8 years. “We are excited to work together with Pro-Oceanus in order to provide our
customers with additional tools for water quality monitoring. Our Cyclops fl uorometers fi lled a need for small, low-cost sensors and C-sense will expand these monitoring capabilities outside fl uorescence, integrating alongside our Cyclops. Pro-Oceanus has been great to work with and we look forward to years of cooperation providing our customers with top quality sensors and excellent service. It’s good to fi nd a partner with common values and strengths.” said Pam Mayerfeld, Turner Designs Vice President of Marketing and Sales.
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Complete Sulphur Analyser for Waste Water Plants
Chromatotec (France) offers a big range of complete solutions in different fi elds of application. One fi eld of expertise is waste water plant applications. To ensure personal safety, the control and monitoring of sulphur components (e.g. hydrogen sulphur H2
S and Mercaptans) is important.
As a result of the confi nement of the waste water stations, toxic components such as H2
S are increased. Safety of employees on such working sites has therefore become a major problem.
To combat this hazardous pollution, air fi ltering systems have been installed. For the station managers, personal safety coupled with the need for constant air quality control and fi lter change is a very important task.
The TRSMEDOR system was made to bring a complete solution to this problem.
The fermentation of the organic material coming from micro-biological activity results in the production of toxic sulphur compounds (H2
S). It is therefore of the utmost importance to
S, methyl-SH, DMS and DMDS) every 3 minutes. It can also measure the total sulphur (H2 TOS / TRS) in 2 minutes cycles.
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Versatile Adjustment. Outstanding flexibility: the new JUMO AQUIS touch devices for liquid analysis
Thanks to the modular device concept, the multi-parameter measuring devices can be adjusted to the different processing requirements for drinking water, bathing water, process water, and wastewater. Whether dealing with control technology tasks or official recording obligations, you can combine measurement, display, control, as well as recording with a clear and user-friendly touchscreen.
• For all common measurement parameters in water analysis • Up to four independent PID control loops can be activated • Measured values can be recorded and distributed via state-of-the-art communication channels: Ethernet (LAN), PROFIBUS-DP, Modbus RTU / Modbus TCP, USB
JUMO AQUIS touch – four tasks, one solution.
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IET March / April 2014
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Visit us at the trade fair in Munich between May 5-9 in Exhibition Hall A5 , Booth 327
The VisiPro DO Ex, from Hamilton (USA), is the only optical dissolved oxygen (DO) sensor for use in explosive environments. VisiPro optical technology improves the measuring performance and simplifi es maintenance. Improvements compared to conventional electrochemical (amperometric) sensors include fl ow independence, rapid start-up with no polarisation time, and simplifi ed maintenance.
The smart sensor with integrated transmitter enables direct communication to the process control system via two wire 4-20 mA standard signal or digital HART. All relevant sensor data including calibration and diagnostic information are stored in the sensor head, simplifying calibration and maintenance. Additional wireless communication directly from the sensor to your computer simplifi es laboratory calibration, confi guration, and maintenance.
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S fi lter saturation. Therefore, you change it before it becomes dangerous.
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screen the sulphur content evolution. The TRSMEDOR, when placed in this hostile and diffi cult environment, answers this need. It measures the different mercaptans and sulphur compounds (H2
S /
Coupled with a stream selector, the TRSMEDOR system gives the necessary data to anticipate the time of H2
sensors. C-sense is offered in three range
The First Optical Dissolved Oxygen Sensor Granted ATEX Approval
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