To replace potentiometers used to measure angles and determine the location of continuously moving parts, Baumer Ltd. has introduced the MDRM/MDFM non-contact magnetic sensors. Reliable and maintenance-free, these compact sensors can measure 360 degrees of rotation without a dead band. They deliver long-term performance in dirty and high vibration operating environments and feature no bearings, wiper contacts or other moving parts that wear and break down over time. The compact MDRM/MDFM sensors feature rectangular housings with a mounting depth of just 8mm or cylindrical housings that can be installed in a variety of narrow, space restricted locations. The 8-bit sensor offers a signal resolution of 1.41 degrees suitable for applications that require course positioning, for example heavy duty equipment and vehicles. The 12-bit sensor provides a maximum resolution of 0.09 degrees for highly precise control systems such as those found in medical or rehabilitation equipment and robotic applications. The IP67-rated sensors feature current or voltage outputs that allow direct connection to standard interfaces without additional conversion. The sensors can accommodate cable or connector interfaces. MDRM/MDFM Magnetic Sensors can be incorporated into medical/rehabilitation/training, machine tool, packaging, textile production, printing, wood/timber/steel processing, energy generation, and robotic equipment and machinery, and can also be used on heavy-duty vehicles and equipment. In such applications, these sensors can determine the current position of shafts, rollers, tabletop equipment, robotic arms, pedals, lifters, grippers, containers, webs, solar panels.


• angular range 360° linear • resolution 0,09 ° • response time < 4 ms • voltage supply range +Vs 4,7 ... 7,5 VDC • current consumption max. 10 mA • output signal 0 ... 4,3 VDC • type cylindrical • housing material brass nickel plated • dimension 18 mm • system accuracy ± 0,25 % • temperature drift ± 0,1 % (Full Scale) • load resistance > 1000 Ohm • output circuit voltage output • short circuit protection yes • reverse polarity protection no • working distance max. 2 mm • axial misalignment max. 0,4 mm • material (sensing face) PBTP • operating temperature -40 ... +85 °C
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