Linear displacement sensor Typ 8740, Typ 8741
inductiveDC LVDTanalog

linear displacement sensor
linear displacement sensor
linear displacement sensor
linear displacement sensor
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Characteristics

Type
linear
Technology
DC LVDT, inductive
Output signal
analog
Protection class
IP64
Applications
industrial, OEM applications, for process automation
Other characteristics
USB
Measuring range

Max.: 150 mm
(5.91 in)

Min.: 1 mm
(0.04 in)

Linearity

Max.: 0.25 %

Min.: 0.25 %

Measuring rate

Max.: 300 Hz

Min.: 100 Hz

Supply voltage

Max.: 5 V

Min.: 0 V

Description

DC/DC displacement transducer - 8740, 8741 Inductive displacement sensors using the principle of the differential transformer (LVDT) can be used to measure displacement and, indirectly, magnitudes that can be converted into displacements such as force, pressure, strain, torque, vibration and so forth. Thanks to the high quality of their measurements, their high protection and long service life, these sensors are used in many technologies (industry, research, development, etc.). Applications include measuring, controlling, regulating and monitoring both slow and fast movements between machine parts, measurements of position and positional changes of components and structural foundations, servo regulators, valve and robot controllers, growth measurements and so on. Their design is robust - the internal coils and electronics are potted - as a result of which the sensors can easily withstand shock and vibration. This makes the sensors also suitable for mobile applications (e.g. in vehicles) and for test installations where they will be subject to many test cycles. These inductive displacement sensors with integrated electronics incorporate a differential transformer and a carrier frequency measuring amplifier, potted and protected by a stainless steel housing. The differential transformer consists of one primary winding and two secondary windings; these are arranged symmetrically on either side of the primary winding. The integrated electronics demodulates, filters and amplifies the AC voltage induced in the secondary windings. A rod-shaped core is able to move inside the differential transformer. Protection class, 8740 - IP64, 8741 - IP60

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