Analyser performs UV-VIS spectroscopy of liquids and gases
November 2006
Analytical Instrumentation & Environmental Monitoring
Process engineers and plant operators are continually looking for ways to cut cost, lower maintenance expenses, and improve product quality. They need highly capable and reliable process analysers that are easy to use, flexible and durable. The best solution available for UV-VIS spectroscopy of liquids and gases is the Western Research Model IPS-4 from Ametek Process Instruments.
The IPS-4 represents a leap in analyser technology and functionality. It can measure up to eight wavelengths and quantify five measurement components simultaneously. The IPS-4 comes with chemometric capability to solve complex measurement problems. It offers the advantage of no moving parts, high signal-to-noise ratio, minimised stray light effects, wide linear dynamic range, and fast and full spectral acquisition (220-1100 nm).
The optical system is designed for high light throughput and increased reliability. Its self-aligning design reduces maintenance significantly. The system is small and insensitive to mechanical tolerances and movement. The IPS-4 has no filter wheel, no optical filters to replace and no optical couplings to align. Its light source is a Xenon lamp with a minimum two-year life expectancy.
The IPS-4 is engineered to withstand harsh outdoor, industrial environments. It possesses excellent temperature stability, reliability and features a host of self-diagnostic and predictive maintenance capabilities. The unit is equipped with numerous analog (4-20 mA) and digital communications capabilities, including RS232, RS485 with Modbus RTU protocol and a built-in Fast Ethernet port. A built-in web-based user interface enables simple connectivity and communication via a company Ethernet system. The IPS-4 has a rugged stainless steel 22-key keypad and a four-line vacuum fluorescent display. The display can be menu selected for six different international languages.
The IPS-4 is designed to handle most environmental challenges without additional protection or expensive shelters. The unit is supplied in an IP65 enclosure, which exceeds the requirements of NEMA4 and is able to handle even wash-down environments without allowing water or dust to ingress. While a painted steel chassis comes standard, a stainless steel version is also available.
Outdoors, the IPS-4 tolerates ambient temperatures from -20° to 50°C without external heating or cooling. Indoors, the analyser is designed to take up minimal space. Its width has been kept to only 78 cm to minimise the amount of wall space it occupies. Despite its narrow width, the Model IPS-4 integrates a wide range of custom sample handling and conditioning systems into the unit's sample cell enclosure.
The IPS-4 is engineered to be a fully integrated, turnkey solution. Custom features include automatic zero and span, fluid injection, corrosion-resistant materials, filtration, pumps or eductors, and heated sample lines.
Ametek is represented locally by OEN Enterprises.
For more information contact Noel Bauchop, OEN Enterprises, +27 (0) 11 675 4447, [email protected] or visit www.oenenterprises.co.za
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