Tel: | +27 11 867 5001 |
Email: | [email protected] |
www: | www.prei.co.za |
more information about PREI Instrumentation |
The consumers and general public are becoming increasingly conscious of the quality of their drinking water, as well as the environmental water in rivers and dams. This trend has been amplified by media
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The measurement and control of pH in wastewater from industrial plants can be a difficult problem to solve, and it is becoming important because many municipalities now penalise companies who discharge
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The temperature and humidity of high-risk products such as fish, fruit, flowers and medicines must be maintained within prescribed limits. The battery-operated Escort data loggers from PREI Instrumentation
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Unexpected breakdowns can be very expensive, not only in terms of the cost of emergency repairs, but also the cost of production lost. Many problems can be predicted by monitoring the temperature of electrical
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Two models of the GLI flow monitor/totaliser, available from PREI Instrumentation, can simultaneously accept inputs from up to four flow sensors and provide the flow rate and totalised flow for each sensor.
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Noncontact thermometers may also be used to evaluate the performance of equipment and machinery
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The streaming potential monitoring system (AccuStream) from GLI International, continuously measures electrical charge intensity, which indicates coagulant dosage in the treatment process. Use of this
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The purity and the colour tone of the textiles depend on the accurate measurement of the dye pH value. By controlling the pH value, undesirable reactions may be avoided and a highly defined product obtained.
Azo-dyes
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The new dissolved oxygen system from GLI International incorporates a sensor with a simple replaceable cartridge membrane, an air-blast self-cleaning assembly and a dual input analyser. The display is
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Designed specifically for the food service industry, the Raytek MT-FS noncontact thermometer from PREI Instrumentation is fast, accurate and reads food surface temperatures without contact. This means
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The mA-2000 clamp-on milliammeter from PREI Instrumentation measures very low DC and AC currents without breaking into the circuit. By allowing one to make stable and accurate measurements of 4-20 mA,
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A new series of FW Bell portable Hall-effect gaussmeters is available from PREI Instrumentation. The inexpensive basic model measures DC fields up to 25 kG with an accuracy of 4%, while the top model
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