WATER / WASTEWATER 21
First aerial drone- dipping sensors take off
Surface velocity radar for measuring open channel fl ow
The OTT SVR 100 is a simple yet effective non-contact surface water velocity radar sensor. OTT HydroMet’s reliable fi xed installation device is designed for measuring fl ow in open channels and rivers where reliable velocity data is required continuously, during fl oods or periods of high concentrations of suspended sediments. The instrument identifi es data infl uenced by sensor movement (e.g., wind, traffi c) using meta data from integrated vibration and tilt sensors to ensure an accurate reading in a variety of conditions.
The sensor is mounted above the water surface, away from fl oating debris using a fl exible bracket for vertical or horizontal installation. Velocity measurements and sensor status information from the integrated vibration and tilt sensor is available via SDI-12, RS-232, RS-485, and Modbus protocol. It is also compatible with OTT Prodis 2 software for system calibration.
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A cutting-edge new system for autonomous airborne hydrographic survey has been launched by THURN Group. The THURN QuickDipTM system of data collection uses aerial drones to carry Valeport sensors on pre-planned survey routes to deliver an effi cient and repeatable method of gathering highly accurate survey data from inaccessible or dangerous waters.
UK-based THURN Group developed the innovative QuickDip technology for inland and coastal waterways to offer a range of benefi ts including: rapid data collection from multiple sites of interest, repeatable map-based surveys to monitor change detection, the ability to safely collect data from diffi cult-to-access and dangerous waters as well as restricted-access waters, such as reservoirs.
THURN QuickDip integrated drone-based system uses a Valeport sensor, a cable, a rotocopter drone and UgCS SkyHub/True Terraine Following (TTF) hardware - from leading software developer for unmanned aerial systems SPH Engineering. THURN’s integration of hardware and software allows the drone to fl y at an accurate fi xed height over water using a map-based pre-programmed autonomous survey pattern and dip the Valeport sensor into the water to take readings.
As Tom Hiller, General Manager, THURN Group commented there are many options with the QuickDip technology: “Using a drone to deploy sensors has distinct advantages over a boat; it is compact as well as easy to transport and deploy. Drones can be used in any location where there is a small area for take-off and landing, near the surveyed water. What makes this new system so exciting for autonomous data collection is a drone’s ability to precisely follow planned survey lines using the map-based interface in UgCS and therefore deliver accurate, repeatable map-based surveys in previously diffi cult to access waters.
“We’re launching the THURN QuickDip with the miniSVS and Hyperion range of Valeport sensors which are respected for their high levels of accuracy, but this is just the fi rst in an expanding range of drone-dipped sensors for coastal and inland water survey.”
The compact and robust Environmental range of optical sensors from leading oceanographic and hydrographic instrument manufacturer, Valeport, are being offered as part of the QuickDip system, including the Hyperion range of environmental sensors for the measurement of Turbidity, Chlorophyll a, Fluorescein, Rhodamine or Phycocyanin as well as their popular miniSVS and SWiFT SVP.
Valeport’s Head of Sales, Kevin Edwards added: “THURN’s integrated drone-dipping sensor system offers an exciting step change in autonomous data collection and Valeport is proud to our support for innovation in the survey sector. Although this technology is launched with Valeport’s miniSVS and Hyperion range, it is easy to expand the capability of the system with the addition of other fi eld- swappable Valeport sensors.”
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WWW.ENVIROTECH-ONLINE.COM AET ANNUAL BUYERS’ GUIDE 2021
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Myron L®
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Company’s new 900 Series industrial monitor/controller
combines fl exibility, accuracy and reliability. It is the ideal instrument for even the most demanding water treatment applications.
Measurement capabilities include: Conductivity, Resistivity, Salinity, TDS, pH, ORP, Temperature, mVDC, Flow and % Rejection. It includes a 4-20 mA input. Standard outputs are a 0-10 VDC recorder output and a Relay output. Available optional outputs include a 4-20 mA, an RS-485 output, as well as 2 additional Relays.
The instrument’s display can show up to 4 measurements simultaneously. Sensor setup allows the user to eliminate error due to cable length and enter custom cell constants for conductivity sensors. Calibration is electronic. It’s 3.5” touchscreen and intuitive GUI make it simple to set up, simple to use and simple to adapt to your specifi c needs.
The Myron L® Company 900: A high level performer for applications where high level performance is an
absolute requirement. More information online:
ilmt.co/PL/yg6k For More Info, email:
Ultrapen PTBT Series
email: For More Info, email: email:
43827pr@reply-direct.com
Smartphone/Tablet Compatible Tester Compatible with
Android and iOS Devices.
900 Series
Conductivity, Resistivity, TDS, pH, ORP, Salinity, ISE, Flow,
Pressure, with Touch Screen LCD +more!
www.myronl.com 760-438-2021
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