1. A106_e
Inductive displacement sensors (LVDT)
induSENSOR
Piston position in hydraulic valves Reasons for choosing the system
In hydraulic drives proportional and servo valves - Economic sensor with plastic housing and flat
control the volume flow of hydraulic oil. In order that cable
an exact dosage, and therefore a controlled - Customized design in high volumes (20,000/year)
movement is possible, displacement sensors are - Control loop of piston in hydraulic propotional
valves
integrated into the valves. These sensors acquire the
position of the control piston to regulate the volume - LVDT princple DTA-6D-20 and DTA-1D-DDV
flow. An accurate, non-contact and, above all, - High resolution and precision
dynamic position acquisition is required for this. An
inductive
inductive displacement sensor from MICRO- displacement
EPSILON best fulfills these requirements.The sensor sensor
pressure
core
is mounted on a pressure tube outside of the pipe
pressurized section.
Inside the pressure tube there is a movable core
which is permanently joined to the control piston.
This core serves as a passive position transmitter.
This type of design produces decisive advantages: slide valve
The measurement occurs without contact and is
therefore wear-free. The sensor is not subject to
pressures and can therefore be of plastic con-
struction. This means that the sensor is optimized for
the main functions. Despite the high technical
demands, the measurement task can be realized for
very low cost.
Pic. MOOG company
MICRO-EPSILON A member of micro-epsilon group.
Koenigbacher Str. 15 Tel.: 0 85 42/1 68-0 info@micro-epsilon.com Certified DIN EN ISO 9001 : 2000
94496 Ortenburg / Germany Fax: 0 85 42/1 68 90 www.micro-epsilon.com Modifications reserved Y9781106