Ultrasonic Sensors measure liquid samples as small as 1 µL.
November 10, 2009 -
Series 09 ultrasonic sensors measure into wells with as little as 3.3 mm opening diameter, providing 0.1 mm resolution. With housing width of less than 9 mm, 8 sensors arranged in-line are capable of scanning type 96 microwell plate in single cycle. Noncontact sensors have response time of 7 msec and can detect transparent and multicolored objects, as well as flaws at early stage of analyzing process, optimizing process quality.
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Original Press release
Baumer Ltd.
122 Spring St., C-6
Southington, CT, 06489 1534
USA
Ultrasonic Sensors - When a µ-Liter Makes the Difference
Multiple sensors cascading
Resolution of up to 0.1 mm
Very short response time of up to 7 ms
Object detection independent of color and transparency
In lab automation small containers such as microwell plates or test tubes are used in analytical processes of liquids. Since the liquids to be analyzed are often available in limited quantities only, this market has been confronted with an ever increasing demand for highly precise level measurement. Baumer is now responding to this challenge with the new Series 09 ultrasonic sensors.
They are capable of measuring into wells with as little as 3.3 mm opening diameter, providing a 0.1 mm resolution.
Thus, the loss of liquid can be kept within very tight limits. Additionally, the measurement allows the detection of flaws at an early stage of the analyzing process, which keeps the general process quality at a high level. Efficiency concerning scanning speed is a further highlight of the Series 09 sensors. Thanks to a housing width of less than 9 mm, eight sensors arranged in-line are capable of scanning a type 96 microwell plate in one single cycle. The short response of as little as seven milliseconds allows fast scanning rates, which in turn lead to minimal process times. The benefit are a maximum of process quality at a minimum loss of time.
The range of applications for the new ultrasonic sensors is far larger than the described liquid level measurement in lab automation systems. In any application where small objects need to be detected, the Series 09 sensors demonstrate their strengths. For instance, medical capsules and tablets, which have been placed in blister packaging, can be reliably detected. Non-contact ultrasonic sensors are able to detect transparent and multicolored objects precisely, which ensures a long-term high quality in packaging processes.
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