36 Water/Wastewater
Intelligent Echo Processing the Obvious Choice in Level Measurement to 50m
Pulsar (UK’s) expertise lies in specialist ultrasonic technology with superior echo processing software, making Pulsar equipment the preferred choice for water and wastewater engineers the world over. Superior acoustic analysis and signal processing allows Pulsar equipment to be used where other systems would not work.
IMP is a range of self-contained ultrasonic devices. Easy to install and operate, IMP provides flexible, reliable non-contacting measurement for measurement ranges up to 10m, with analogue output and alarm relays.
The Blackbox range of component ultrasonic units allows integration into a distributed control network. No display, program through a PC, choose the blackbox unit with the output you require, from alarm relays to RS485 Profibus DP V0 and V1. Measurement range up to 50m depending on transducer.
Ultra units are full-specification control instruments for level and volume measurement, pump control and open channel flow measurement. Easy to install with simple, menu-led programming, Ultra is designed specifically for the water industry and with a measurement range up to 40m.
Sludge Finder is the world’s most accurate interface level measurement unit – perfect for clarifiers and SBR tanks. The unique Sludge Finder transducer features an automatic wiper blade that makes sure the transducer face is kept clean.
Reader Reply Card no 125
Levelogger Proven to be Worth its Weight in Gold
Emulsion-Breaking Techniques for Accurate Oil in Water Measurements
A White Paper entitled, “Emulsion-Breaking Techniques to Ensure Accurate Oil in Water Measurements,” was recently published by Wilks Enterprise (USA). Certain water samples, such as those containing detergent, may form an emulsion when oil in water extraction into a solvent is done. In order to ensure an accurate measurement, the emulsion must be broken.
Mandate to Deliver Quality
Since the Levelogger Gold was launched at the beginning of 2006, Solinst has shipped thousands and thousands of units to satisfied customers all over the world.
The Levelogger Gold is a self contained water level datalogger, which is completely designed, developed and manufactured in-house, in the tradition of all Solinst high quality products. The Levelogger Gold uses infra-red data transfer, providing the flexibility of installing by use of a simple wireline or by using a Direct Read Cable to surface. The Levelogger Gold includes a pressure transducer, temperature thermistor, 10 year lithium battery (based on 1 reading per minute), and internal datalogger with a capacity of 40,000 temperature and water level datapoints.
“Our mandate is to design and deliver high quality products, and back it up with our 3 Year Warranty, demonstrating the Solinst commitment to our customers.”
— Sarah Belshaw, President
Dependable Water Level Datalogger • Maintenance Free Design/Lifetime Calibration • 3 Year Warranty • Real-Time View • User-selectable Sampling Schedule • 10 Year Battery (1 reading/minute) • SDI-12 Compatible
The White Paper discusses 6 emulsion- breaking techniques that can be used for reducing an emulsion in order to obtain valid oil in water measurements -- whether the analysis is done by infrared, gravimetric or UV techniques. All of the emulsion-breaking methods discussed in the paper are usable with portable infrared analysers, such as the Wilks InfraCal TPG/TPH Analysers, and for virtually any type of oil in water measurements, including fat, oil and grease (FOG) wastewater discharges.
Reader Reply Card no 126
STS Gold Telemetry Systems
STS Gold Telemetry provides two-way communication between field located Leveloggers and a home station computer, with full control of your own data, diagnostics, and alarm settings. Cellular, landline, radio, and satellite options give the flexibility to suit any location and project size.
RRL Gold Remote Radio Link
The RRL Gold System offers a very simple and inexpensive method of local telemetry. The compact, all-in one design allows discrete placement in the field. Using short-distance radio, the RRL is excellent for creating small, closed loop monitoring networks with Leveloggers. Ideal for mine sites, golf courses, or landfill monitoring.
www.solinst.com
New Optical Probe for Online Dissolved Oxygen Testing
ITT Analytics (USA) announce that WTW has launched the new intelligent online dissolved oxygen (DO) probe FDO®
701 IQ. The probe is ideal for
use in determining oxygen or residual oxygen in water and wastewater.
With its faster response (T90 < 80 s) this sensor is ideally suited when new and fast wastewater treatment methods like SBR reactors (Sequential batch reactors) are used.
The interchangeable membrane head contains a chip with factory calibration data. The soft green-light technology preserves the optical membrane, resulting in high precision and long life. When connected to the IQ Sensor Net this digital sensor stores calibration data in memory.
Together with IQ Sensor Net, the new FDO® 701 IQ offers unparalleled speed and response for online DO measurement results.
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IET
November/December 2010
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