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Hanovia Launches New UV Transmittance Analyser For Ship Ballast Water Disinfection Monitoring

Posted: Monday 15th September 2008

The new TX Online UV transmittance analyser from Hanovia has been specifically designed to provide accurate monitoring of UV disinfection systems for ship ballast water. The TX Online's one-piece design allows simple mounting and uses minimal space. Its new optics provide increased accuracy and more consistent readings with online and laboratory analysers.

A unique feature of the TX Online is an ultrasonic automatic cleaning system that keeps the optical chamber clean at all times. This ensures accurate, consistent reading of percentage UV transmittance at all times and reduces the need for manual cleaning. In addition, a bubble rejection system which eliminates air from a sample while simultaneously creating a vortex cleaning action throughout the optical chamber.

The unit has a 0 - 100% transmittance range and response time can be adjusted to allow the user to program readings between 4 - 60 seconds. Calibration is inexpensive due to the small sample volume requited (only

30ml) and removable sample cuvettes allow for easy cleaning and calibrating. An adjustable backlight display allows viewing in low light conditions. A 4-20 mA output is provided as standard and an RS-485 output with Modbus protocol is available as an optional extra.

The TX Online is certified to CE, UL and CSA (ETL, ETLc). The calibration standard is prepared as outlines in 'Standard Methods for the Examination of Water and Wastewater, 20th Edition, Method 1080 A-C, Methods for Preparation of Reagent Water'.

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