Water/Wastewater 41 New Monitor for Water Leak Detection
The new noise logger as an innovative extension to the SePem® range of products. The new generation of SEWERIN (Germany) noise loggers is small and compact. The combination of SePem®
01 and communication appliance SePem® The SePem® 01-Master is one backed up with convincing arguments. 01 noise logger is designed for fixed deployment for water leak detection purposes. The heart of each and every logger is a newly developed, highly sensitive microphone
for recording leak noises. Its specifications are such as to permit large distances – even in the case of non-metallic piping - between the measurement points. Thanks to its novel housing geometry, the logger can be installed either horizontally or vertically. Whether underground fire hydrant or gate valves at varying installation depths - SePem® high-performance wireless link with automatic error correction exchanges data between logger SePem®
01 fits in everywhere! A digital 01 and communicator SePem®
measurement point and receives all the data without any being lost. State-of-the-art technology is inside the lightweight and handy casing of the SePem®
01- Master. The control vehicle crosses the 01 - Master communicator. The user soon learns to appreciate the perfected menu control.
Even though no separate software is needed, numerous functions are on hand for programming the loggers and presenting the readings. Thanks to the easy, intuitive operation of the SePem®
01 - Master, users with only a smattering of PC knowledge very quickly obtain precision findings. Summarising: the logger and communicator combination features precise measurements thanks to the highly-sensitive microphone together with powerful radio data transmission and evaluation of readings directly on the spot.
Reader Reply Card no 136
Interface Measurement in Sludge Tanks and SBR Systems
Remote measurement with Sludge Finder 2 from Pulsar (UK) means you can put an end to tedious, time consuming, potentially unhygienic and hazardous manual measure- ments using gap switches or vacuum tubes. Sludge Finder 2 is a major update to Pulsar’s successful Sludge Finder, designed to reliably measure interface levels in primary, secon- dary or tertiary sludge tanks and SBR systems. A twin channel device, Sludge Finder 2 can be assigned to two settlement tanks, or one of the channels can be used with a Pulsar dB transducer for ‘through air’ applications such as level measurement.
In interface detection mode Sludge Finder 2 operates ultrasonically through liquid, using sophisticated and well proven echo process- ing algorithms to identify the sludge level. Sludge Finder 2’s transducer is immersed in the liquid, emitting a high frequency (680 kHz) ultrasonic pulse down towards the sludge interface. The pulse reflects from the interface of the denser material back to the transducer face. This echo is analysed by the controller unit providing a depth reading and an analogue output proportional to the height of the interface above the vessel bottom.
Sludge Finder 2 is designed to be maintenance free. The Viper transducer is a self-cleaning underwater acoustic sensor that results in continuous, reliable sludge level measurement that reduces the need for sludge pumping, optimises dosing and frees staff for other tasks. Sludge Finder 2 is simple to install and program, and will operate with one or two transducers: you can mix and match Sludge Transducers and Pulsar’s main dB transducer range to give astonishing versatility. Manage two clarifiers/thickeners, or one clarifier plus a level application from a single unit, providing flexible, economical control and a single connection point for system interface.
Reader Reply Card no 137 Reader Reply Card no 138
Annual Buyers Guide 2009
IET
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