Electricity + Control May 2015

ANALYTICAL INSTRUMENTATION

ROUND UP

New sensor for temperature control of cement Instrotech , local distributor of process control instrumentation and specialised systems, has announced the availability of the Optris CSmicro LT pyrometer, specifically for application in the measurement and control of temperature in cement manufacture. Temperature is a critically importance component in the process of making of concrete, and specifically, the importance of controlling the temperature before the concrete is deposited. Optimal temperature of the concrete must fall within the range of +5 °C and +55 °C, a factor which greatly influences the final characteristics of concrete and performance (cracking, resist- ance and wear and tear). Concrete temperature is directly related to the development of strength and fresh concrete can be damaged when exposed to very low or very high temperatures. Key factors to control during the pouring of concrete related with temperature: The Optris CSmicro LT is equipped with an innovative, miniaturised stainless steel measuring head, the optimally suited for installation in limited spaces. Its small size and its temperature resistance up to 120 °Cmake the mechanic integration of the measuring head especially cost-ef- ficient.The intelligent LED display works optionally as alarm signal, target support, self-diagnosis or temperature-code display.The placement of electronic components within the cable allows • Warm weather affects speed limits evaporation • Cold weather inhibits the hydration process

Unbeatable Control, Precision, and Flexibility

for a high temperature resist- ance of the measuring head. It measures temperature in the range of 
-40 °C to 1 030 °C; the spectral range is eight to 14 µm and the response time is 30 ms – 999 s. The unit can be optimally installed on ce- ment pumps, mixer trucks and cement silos.

Enquiries: Scott Hunter. Tel. 010 595 1831 or email sales@instrotech.co.za

World’s smallest IR camera Optris , specialists in non-contact tempera- ture measurement, have launched the OPTRIS PI 640 - the smallest measuring video graphics array (VGA) infrared camera, worldwide. With an optical resolution of 640 x 480 pixels, the PI 640 delivers pin-sharp radiometric pictures and videos in real time. With a body sized 45 x 56 x 90 mm and weighing only 320 grams (lens included), the PI 640 counts among the most compact thermal imaging cameras on the market. It can be delivered with industrial thermal imager equipment and comes with an ex- tensive licence-free thermography software which enables users to monitor and docu- ment measurements and to edit infrared video imagery. Key specifications of the PI 640 are its temperature range of between -20 °C and 900 °C, the spectral range of 7,5 to 13 µm and the frame rate of 32 Hz. Enquiries: Scott Hunter.Tel. 010 595 1831 or sales@instrotech.co.za

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