PREI Instrumentation

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

Air filter manometers
July 2005, Analytical Instrumentation & Environmental Monitoring

Simple inclined manometers designed to monitor the pressure drop across industrial air filters are available from PREI Instrumentation. They have linear scales, dual ranges (0 to 250 Pa or 0 to 500 Pa) ...
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High resolution thermal imager
June 2005, Temperature Measurement

The Model 913+ thermal imager from PREI Instrumentation has all the important features of 320 x 240 pixels, colour display and temperature resolution of 0,08°C, but costs considerately less than other ...
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Monitoring sub-zero temperatures
June 2005, Temperature Measurement

The ST880 handheld non-contact thermometer from PREI Instrumentation can measure from -50°C to +280°C. It has a built-in laser for sighting, an 8:1 distance-to-spot-size field of view and a large LCD ...
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New multiparameter universal controller
May 2005, PLCs, DCSs & Controllers

The new Hach SC1000 multiparameter universal controller from PREI Instrumentation can accept up to 20 sensors, in any combination, in a true plug-and-play system. These sensors can be any of the following ...
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Fibre-optic temperature sensor
May 2005, Temperature Measurement

The technology of non-contact infrared temperature measurement cannot normally be used in vacuum-chamber applications, hazardous areas, high ambient temperatures and in strong electric or magnetic fields ...
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Turbidimeter with bubble removal
April 2005, Flow Measurement & Control, Fire & Safety

Lessons learnt from Hach's 45 years of experience in the field of turbidity were used to good effect in the design of the company's 1720E low range process turbidimeter. Built to measure turbidity from ...
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Differential ORP sensors
April 2005, Sensors & Transducers

The compact (1-inch) ORP sensors from PREI Instrumentation use three measuring electrodes compared with conventional ORP sensors, which use only two electrodes. Compared to the conventional combination ...
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Vibration switches for fan protection
April 2005, Operator Interfaces, Switches & Relays

An out-of-balance fan can cause a lot of damage to its surroundings, if it is not detected in time, this could include bearing failure, structural damage and production losses. Fitting a simple inexpensive ...
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Dissolved oxygen luminescent technology
March 2005, Sensors & Transducers

The success of the luminescent technology for dissolved oxygen has raised several questions by the supporters of the conventional galvanic and polarographic cell methodology for measuring D.O. PREI Instrumentation ...
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High-performance IR thermometers
February 2005, Temperature Measurement

The seven different models in the TL series of infrared thermometers from PREI Instrumentation cover the range from -32 to 2500°C, and provide a 4 to 20 mA, 2-wire, loop-powered output. These rugged stainless ...
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Multisensor controller
February 2005, PLCs, DCSs & Controllers

The new Hach SC 100 controller from PREI Instrumentation can accept any two sensors from Hach's family of compatible digital sensors - in a mix-or-match arrangement - to monitor pH, ORP, conductivity, ...
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Electrodes for high pH measurements
January 2005, Analytical Instrumentation & Environmental Monitoring

There is no glass formulation currently available that has zero sodium ion error (alkaline error). Since there will be some error, it is important that the error be constant and reproducible. With many ...
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