PREI Instrumentation

Tel: +27 11 867 5001
Fax: +27 11 867 7631
Email: [email protected]
www: www.prei.co.za
more information about PREI Instrumentation

Noncontact temperature sensing
October 2001, Temperature Measurement

Another new system has been introduced by Raytek, international specialists in noncontact temperature measurement: a laser sighting sensor and a universal LED display unit with selectable outputs of 4-20 ...
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Blackbody calibrators
October 2001, Maintenance, Test & Measurement, Calibration

The Raytek BB series of blackbody calibration sources are designed to check the calibration of various types of infrared temperature measurement instruments. They have the highest possible emissivity ...
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Electrodeless conductivity sensors
October 2001, Sensors & Transducers

The common problems of polarisation and coating, or chemical attack and abrasion, which affect conventional electrode-type conductivity sensors, will not affect the GLI electrodeless sensors from PREI ...
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Fibre-optic thermometer
September 2001, Temperature Measurement

Suitable for hostile environments and difficult-to-see applications, the Raytek range of fibre-optic thermometers from Prei Instrumentation can monitor temperatures from 250 to 3000°C. Each unit consists ...
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Miniature infrared sensor
August 2001, Sensors & Transducers

A noncontact temperature sensor that is small and inexpensive is available from PREI Instrumentation. The Raytek CI (compact infrared) sensor is housed in a threaded stainless steel cylinder 87 mm long ...
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IS noncontact thermometers
August 2001, Temperature Measurement

New additions to the Raytek range of portable noncontact thermometers from PREI Instrumentation are the Ex-MP4 and Ex-MX2. Both have laser sighting and have been certified intrinsically safe by TÜV for ...
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Miniature infrared thermometer
June 2001, Temperature Measurement

The new Raytek Thermalet MID temperature sensor is only 14 mm in diameter and 28 mm long and its compact microprocessor-based electronics has all the features of much larger thermometers. This two-piece ...
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Rand Water selects turbidity instrument
June 2001, Flow Measurement & Control

Early this year the Rand Water Board awarded a contract to Paterson Candy to refurbish the station 2 filter plant at Vereeniging. As part of this order, 40 turbidity instruments were required. Four competitors ...
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Noncontact IR line scanners
May 2001, Temperature Measurement

In order to achieve product uniformity, noncontact temperature measuring methods are increasingly being used and are an accepted and important technique for process control and quality. This article looks ...
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Water and wastewater samplers
April 2001, Analytical Instrumentation & Environmental Monitoring

Manning Environmental water and wastewater samplers offer both vacuum and peristaltic type technologies in both portable and stationary units, for toxic or nontoxic samples, with optional refrigeration. ...
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Two-colour temperature monitoring
April 2001, Temperature Measurement

During the 1960s, a significant advance in infrared temperature measuring came about with the introduction of ratio or two-colour infrared thermometry. This technology uses two infrared sensors within ...
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Ozone measurement to meet demand
March 2001, Analytical Instrumentation & Environmental Monitoring

Ozone is fast becoming a cost-effective alternative to chlorine disinfection, especially in the drinking water industry. In addition to disinfection, ozone treatment eliminates odour, colour and taste ...
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