Water / Wastewater 25 New data loggers detect water losses early
Leaks in water pipe networks can result in significant water losses. Thanks to systematic monitoring of the network with Herman Sewerin’s SePem® data loggers, you can reliably identify existing leaks and catch new ones early on – much faster than with conventional methods.
In relation to the size of a measuring area, the volume of water initially escaping from a new leak is usually so low that it cannot be clearly distinguished from minimum night-time consumption when measuring the flow. In practice, many months often go by before the size of the damage is great enough to produce a flow volume that can clearly be identified as a leak. SEWERIN’s SePem® 100/150 can report the leak after just one night.
The SePem® 100 data loggers with integrated aerial are perfect for mobile use in the water pipe network. They are placed on fittings at measuring points in a specified section of network and record the level for a programmable period of time during the night – usually half an hour. The loggers are collected in the next day. The measurement data is transmitted to the SePem® 01 Master by radio. Noticeably high measurement values indicating a leak are immediately flagged up by an audible signal. This is a reliable way of detecting existing leaks. The data loggers are then successively inserted in other sections of the network until the whole network has been checked.
The SePem® 150 data loggers are designed for the stationary monitoring of water supply networks. They have an external aerial and are permanently fixed to fittings. The SePem® 150s record the minimum level every night for a programmable period of time, for example half an hour. The locations are periodically patrolled, for instance daily or weekly, when the noise loggers send their data telegrams to the SePem® 01 Master. Unlike the mobile application, there is no comparison of the absolute levels of two measuring points, but rather
a relative change in the level at a measuring point means that a new leak can be very quickly identified.
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All important water analysis parameters from A(luminium) to Z(inc) are measured by these two instruments. Combined with the high precision of Lovibond® reagents, a reliable and quick analysis of water samples is guaranteed. Reagent tablets, powder reagents, liquid reagents or cuvette tests are used depending on the method.
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Six long-lasting LEDs serving as a light source in combination with interference filters guarantee the highest precision. The devices are designed without moving optical parts and thus have a maintenance-free measuring unit. Up to 500 data records can be stored in the MD 610, 1,000 data records in the MD 600.
The AquaLX® app, which is available free of charge for AndroidTM and iOS®, enables the MD 610 to transfer measurements to smart phones or tablets via Bluetooth®. The data management then enables analysis and export as a CSV file or graph via email.
These instruments, housed in a waterproof case, feature a clear display with background lighting, automatic selection of wavelength, more than 120 pre-programmed methods, the availability of more than 35 user-specific methods and buffer for up to up to 1,000 data records. The user guidance facility is available in German, English, French, Spanish, Italian, Portuguese (BR), Polish, and Indonesian
The tried and tested MD 600 photometer uses the classic infrared interface with which data can be transferred by means of the IRiM module to the PC or laptop.
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High quality bladder pumps
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50342pr@reply-direct.com Photometer series now includes Bluetooth® technology
The MD 610 and MD 600 Photometers from Tintometer are easy to operate, portable devices, with a modern design and the analytical features of laboratory photometers.
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Real Time Water Quality Monitoring UV-VIS Spectroscopy (Full Spectrum Scanning 190nm to 750nm) Measurement: COD, BOD, TSS, NO , Color3
Solinst bladder pumps provide excellent performance and reliability—especially when sampling for VOCs. The bladder pump comes standard with a durable PTFE bladder, which ensures that drive air or gas does not contact the sample, thus avoiding degassing or contamination of the sample. Solinst bladder pumps are great for low flow and regular sampling. Stainless steel pumps can sample from up to 150 m (500 ft.).
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ilmt.co/PL/OJgv 50334pr@reply-direct.com
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Tethys Instruments SAS,
57 chemin du Vieux Chêne, 38240 Meylan Inovallée - France Phone: +33 4 76 41 86 39 |
sales@tethys-instruments.com |
www.tethys-instruments.com
www.envirotech-online.com AET October / November 2019
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