Inductive, for the measuring of displacements or magnitudes that can be converted into displacement, integral measuring amplifier, robust, vibration and shockproof, special versions by request
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Model | 8740, 8741 |
Principle | Inductive |
Measuring range |
8740 8741 |
Signal output |
0 ... 10 V |
Protection class |
8740 8741 |
Range of operating temperature | -20 ... +80 °C |
Excitation voltage | 9 ... 28 VDC |
Electrical connection |
8740 8741 |
Return spring |
8740 8741 |
Specific characteristics |
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. As an output, the sensor delivers a DC voltage whose magnitude proportionally depends on the position of the moveable core inside the sensor.
Model 8740 incorporates a freely moveable, non-sprung core with two sliding Teflon rings that center the core in the hole through the body of the sensor. At the end of the moving rod is an M2 thread that can be used to couple the core mechanically to the object being measured. Any lateral force acting on the rod should be avoided.
The moveable rod of model 8741 is mounted on ball bearings. A spring holds the tip of the probe against the object being measured. This version is advantageous when it is difficult or entirely impractical to implement a mechanical coupling. Once again, lateral forces will shorten the service life. The measuring side of the sensor is protected against pollution and splash water by a bellows.
Talstr. 1-5
76593 Gernsbach
Germany
Fon: +49 7224645-0
Fax: +49 7224645-88
infoburster.com
www.burster.com
Wire
15.04. -
19.04.24 -
Düsseldorf,
40474,
Germany
The Battery Show
18.06. -
20.06.24 -
Stuttgart,
70269,
Deutschland
burster gmbh & co kg
sensors & precision measurement
Talstr. 1-5
76593 Gernsbach
GERMANY
Contact:
Phone: (+49) 07224-6450
Fax: (+49) 07224-64588
E-Mail:
infoburster.de
The measurement solution.
It‘s with this ambition and for over half a century burster, a global player in the precision measurement technology industry, supplies some of the world’s most recognizable brands with sensors, precision measuring devices and measuring systems for sensor signaling processing. This is all done through our research, development and production headquarters in Germany.
Where quality assurance and production control play a significant role, burster is on board.