84 Advertisers Index Temperature, Carbon Dioxide and Humidity all in one Monitor


The Ventostat 8000 series, from GE Measurement & Control (USA), which monitors temperature, carbon dioxide (CO2) and humidity via one cost effective transmitter unit, is now available with the BACnet communication protocol. This means that all three measurand signals can be transmitted using a single communication wire to a building’s existing BACnet system. This brings significant savings in installation costs and improves the overall integrity of the monitoring system.


The BACnet standard was developed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and has been made publically available so that manufacturers can create interoperable systems of products. As Chris Ranwell, product manager at GE, explains, “We believe that BACnet is a valuable communication protocol for our HVAC products and see BACnet as a positive trend in the market place.”


The Ventostat 8000 series monitors temperature, carbon dioxide (CO2) and humidity via one cost effective transmitter unit. This allows building managers to easily control indoor air quality within a building management system. Through monitoring, energy loss from over ventilation can be reduced and may provide building


owners savings of up to 20% of the ventilation costs. “The combination of humidity, temperature and CO2 monitoring is a new process that provides our customers with lower purchase and installation cost,” continues Chris Ranwell


Reader Reply Card No. Twin Versions of Liquid Diaphragm Pump


Gardner Denver Thomas (Germany) has extended its 5002F liquid diaphragm pump family with a Twin version. This positively improves the pump characteristics such as a smooth, almost vibrationless operation over a broad pressure range. Further the Twin configuration reduces the pump’s pulsation since two working strokes take place during one complete rotation of the motor. Hereby, a smaller motor torque with less current consumption is sufficient compared to single headed models with the same hydraulic performance. This design has already been tried and tested with the JADE family that was recently put on the market.


Next to excellent chemical compatibility and a high mechanical load capacity a reliable self priming of the pump is achieved. Reason for that is the intelligent matching of all wetted materials and components such as hydrophobic treated EPDM elastomer in combination with graphite loaded high-performance plastic. Further combinations of materials are in preparation.


The pressure height thus amounts to an impressive 25 m H20 and the suction height is 4.5 m H2O. With 1,000 ml/min free flow in parallel operation, the 5002F Twin pump has an especially high specific output, as the Twin version allows for an exceptionally compact design.


Various DC motors such as a low cost version, a standard DC motor or the extremely long life BLDC motor enable the adaptation possible to the most diverse applications in analysis technology, in the fields of cleaning and disinfection and in marking technology.


Reader Reply Card No. COMPANY PAGE COMPANY


Aanderaa Data Instruments AS - a xylem brand..........................................51 Agilent Technologies ..................................................................................OFC, 17 Alphasense Ltd..................................................................................................31, 39 Aquaread™ Ltd ......................................................................................................IFC Ashtead Technology (S.E.A.) Pte Ltd ................................................................24 Baseline-Mocon, Inc................................................................................................38 Benten Water Solutions B.V. ................................................................................12 Chem Service Inc ....................................................................................................16 Chromatotec Europa..............................................................................................30 City Technology Ltd............................................................................................OBC Dr A Kuntze GmbH....................................................................................................8 E+E Elektronik Ges.mbH ......................................................................................21 Enmet Corporation ................................................................................................40 Environdata Pty Ltd................................................................................................32 Euro-Gas Management Services Ltd................................................................43 Gas Measurement Instruments Ltd ..................................................................43 Gasmet Technologies Oy ....................................................................................33 General Instruments & Technolgies srl ............................................................37 Geotechnical Instruments (UK) Ltd ..................................................................41 Global Water - a xylem brand..............................................................................67 Hermann Sewerin GmbH ....................................................................................25


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Hong Kong Trade Development Council........................................................82 ICMGP 2013........................................................................................................19, 80 Horiba Instruments (Singapore) Pte Ltd............................................................8 IE Expo 2013 ............................................................................................................IBC JCT Analysentechnik GmbH................................................................................35 LAR Process Analysers AG ......................................................................................5 Macherey-Nagel GmbH & Co KG ......................................................................13 Narda Safety Test Solutions GmbH ..................................................................27 OI Analytical - a xylem brand..............................................................................47 Pollution Srl ..............................................................................................................22 PPM Technology Ltd ..............................................................................................26 RM Young Company ..............................................................................................32 Secomam - a xylem brand ..................................................................................46 Sensor + Test 2013..................................................................................................42 Solinst Canada Ltd ....................................................................................................7 Tiger Optics LLC ......................................................................................................34 Tintometer GmbH ....................................................................................................9 Valeport Ltd ................................................................................................................6 Velp Scientifica srl ..................................................................................................12 Wilks Enterprise, Inc................................................................................................23 WTW – a xylem brand ..........................................................................................58


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AET Annual Buyers’ Guide 2013 www.envirotech-online.com


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