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Smallest Strain Sensor with Highest Resolution
September 20, 2010. With the strain sensor DSRT, Baumer offers a sensor for indirect force measurement which can be used in the packaging industry, engineering, wind energy plants and many other industrial applications. The DSRT is the smallest strain sensor with the highest resolution (0.01 µε) available on the market. It is offered with measuring ranges from 0…100 µε up to 0…750 µε (micro strain: µm/m).
The strain sensor is suitable for all static and dynamic applications and can be used wherever strains are expected, e. g. for process control in presses and punching machines, for monitoring blade deflection in wind energy plants, or for sheet metal forming applications in the packaging technology. The indirect force measurement enables the control and traceable documentation of forces in the process. It also guarantees the repeatability of the individual processes, thus ensuring consistent quality.
The DSRT is available with the measuring ranges ±100, ±250, ±500, and ±750 µε. It has an integrated low-noise bridge amplifier with an analogue signal path and a high cut-off frequency (1 kHz). The available output signals are analogue current or voltage signals (4…20 mA, ±10 VDC, mV/V) and a CANopen interface. The sensor offers high reliability, long-term stability, overload protection, and repeatability. The device conforms to protection class IP67.
Since the strain sensor is screwed on to the strain-stressed parts of the machine, it offers many advantages compared to glued strain gauges (SG): it is reusable, can be mounted much faster and easier, is replaceable without recalibration, and offers very high application security. Low mechanical setting and warming up enable a fast start-up. Compared to force sensors, the DSRT allows cost-efficient measurement especially of high forces. The device is 80 mm long, 26 mm wide, and 17 mm high.
Baumer Group:
The Baumer Group is a leading international manufacturer of sensors and system solutions for factory and process automation. In 2009 the innovative family-owned company employs about 2,000 people worldwide in 35 locations and 18 countries. The long-lasting success is built on high customer focus as well as the innovative and diversified product range of the five product segments Sensor Solutions, Motion Control, Vision Technologies, Process Instrumentation, and Gluing Systems. For further information please refer to www.baumer.com.