Water / Wastewater 39


New Cost Effective Level and Temperature Sensor for Ground Water


Bell Flow Systems are now proud to introduce the new Leveline water level logger to their ground water measurement range. The Leveline sensor is a cost effective solution for those looking to monitor water level applications in ground water, estuarine and surface water applications.


Available in both absolute and gauge options the level sensor can be deployed with either Kevlar cord if using the absolute versions, or with rugged cable if looking to use a vented sensor or require surface data collection. The Leveline also offer a titanium body as standard making the sensors highly durable for harsh environments and long term deployments.


Battery life for the device is up to 10 years with an internal data logger offering collection of 500,000 data sets. A fast logging interval also means that readings can be collected as fast as 10 records per second. Programming of the Leveline can be achieved using a simple PC software or via the GPS Leveline meter. Readings from the device can be also be integrated into 3rd party datalogger or telemetry systems using on-board SDI-12 or Modbus (RS-485) protocols.


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Turbidity Sensor with Integrated Wiper


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Monitoring and Telemetry Specialist has Helped Make Significant Water Savings


Multi-utility monitoring and telemetry specialist HWM has helped Severn Trent (ST) make significant water savings through a pressure management programme. Since April 2015, ST has installed 200 of HWM’s Pegasus+ pressure controllers, saving 5 Ml/d in the process.


“The Pegasus+ has proven to be excellent value for money and it’s given us a calmer network,” said Graham Hollier, network pressure advisor at ST.


ST’s network already contained thousands of HWM critical point (CP) and flow loggers. Linking Pegasus+ with its existing CP loggers allowed ST to operate the pressure controller in a learning mode. The data gathered automatically updated the product’s online software, giving the water company a more optimised network than if the data had been entered manually on-site.


“It’s a really good, simple system,” explained Graham, “that allows us to see the data remotely, make adjustments and have good visibility as to where all the pressure controllers are in the system, which the guys here like using and which we’ve made considerable use of.”


Since Pegasus+ allowed for detailed multi-point pressure relief valve (PRV) control without a flow logger, the water company was also able to save money by replacing some of its district metered area and flow loggers, which were often located next to PRVs.


ST considered several potential suppliers for the project and tested each pressure controller on its network calming rig in Warwick. For More Info, email:


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Water Level, Temperature & Conductivity Datalogger


The LTC Levelogger Edge from Solinst, is a compact instrument that provides reliable datalogging of water level, temperature, and conductivity. It offers a number of upgraded features including an 8-year battery life, memory for 27,000 sets of readings, higher accuracy, 6 pressure ranges, and a Titanium ceramic PVD corrosion-resistant coating. The LTC Levelogger Edge is excellent for providing a general indication of overall water quality.


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42390pr@reply-direct.com Accurate Oil/Water Interface Measurement


Solinst Interface Meters provide accurate measurement of water level and product layers (LNAPL and DNAPL) in water. They use PVDF flat tape; precisely laser marked every millimeter or 1/100 ft, up to 300 m (1000 ft). PVDF is extremely durable and easy to decontaminate. The 16 mm (5/8”) dia. probe is pressure-proof up to 500 psi. Meters are certified intrinsically safe and are ATEX certified.


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Simplified Telemetry for Leveloggers LevelSender: Remote Data By Email or SMS


Already Own Leveloggers? Add Low Cost Telemetry Today!


Turbidity measurements are often made in shallow waters and keeping the instrument optical face clear is particularly important. Turner Designs is excited to introduce a new turbidity sensor addressing this issue with a simple solution. Turbidity Plus is an accurate single-channel turbidity sensor including an integrated wiper which is triggered by the user. It is designed for integration with multiparameter systems and dataloggers from which it receives power and the wiper trigger. Turbidity Plus delivers a voltage output proportional to the turbidity of the sample which can be correlated to nephelometric turbidity unit (NTU) values by calibrating with a standard of known concentration. Deployable to 200m, Turbidity Plus is available with or without a plastic housing for simplified integration.


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The NEW LevelSender is designed to connect to Direct Read Cables and Leveloggers, upgrading your current installation by adding cellular telemetry at an affordable price.


• Receive email or SMS notifications • Data sent to your smart device & PC • Simple setup, operation & maintenance • Low cost, compact design


Don’t have Leveloggers in your monitoring wells yet? Contact us to learn how they can benefit your monitoring network.


Built for Levelogger


www.solinst.com High Quality Groundwater and Surface Water Monitoring Instrumentation


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For More Info, email: email:


Solinst Canada Ltd., 35 Todd Road, Georgetown, ON L7G 4R8 Fax: +1 (905) 873-1992 instruments@solinst.com


Tel: +1 (905) 873-2255 6972ad@reply-direct.com


www.envirotech-online.com IET May / June 2017


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