The Sensorex SX41200 and SX41400 Series rugged, gravity-referenced closed-loop servo inclinometers/accelerometers from Meggitt Sensing Systems, San Juan Capistrano, CA, provide high-reliability tilt or acceleration measurements within harsh environments, particularly those involving high shock and vibration. The devices are available in 12 models per series, with angular measurement ranges from ±3° to ±90°, and choices of single-axis (SX41200) and 2-axis (SX41400) versions. The sensors incorporate a galvanometric pendulum sensing element with hydromechanical damping and an optical position sensor and provide a 4–20 mA or ±5 VDC output, proportional to sine of the tilt angle. Applications include offshore platform safety, railway leveling and monitoring, radar antenna positioning, borehole mapping, level control and calibration systems, and large machinery installation and leveling. (Sensorex)
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