Flow sensors designed for laboratory automation

Posted By : Mick Elliott
Flow sensors designed for laboratory automation

The BE-A range of flow sensors from Panasonic Electric Works Europe are now available from distributor Conrad Business Supplies. The new sensors have been specially developed for laboratory automation. During the automatic dosing process of liquids, the highly reliable sensors detect air bubbles or liquid.

In addition, the flow sensors can be used for level requests, level detection or level monitoring. 

"Automated processes are indispensable to enable reliable, repeatable and cost efficient routine tasks in laboratories," says Holger Morgenstern, Head of Product Group Strategic Brands at Conrad Business Supplies. "Panasonic's BE-A range of optical flow sensors contributes significantly to the continuously evolving laboratory automation market. The new sensors allow liquids and air bubbles to be detected fast and reliably.” 

The optical sensors can be easily installed - independent of their position - and they can be fitted with transparent plastic tubes with outer diameters of 2, 3 or 4mm. The tubes are clipped into the sensor housing in just one easy step (see photo). 

A special lens enables highly reliable detection of air bubbles or air gaps with sizes as small as 0.8mm. In addition, a very short response time of 20μs guarantees very fast analytic processes.

 The new optical flow sensors feature an integrated amplifier and can be put into operation immediately after installation.

The presence of liquid inside the clipped-on tube is indicated by an orange LED. 

With their very small dimensions - approximately fingertip size (at 20mm (L) x 15.5mm (W) x 16.5mm (H) - several sensors can be tightly packed in a narrow space and thus require little room inside laboratory devices. 

The sensors conform to the protection class IP40, have an operating voltage between 5 and 24VDC and are specified for the temperature range -25 to + 55°C.



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