Draw-wire sensors offer linear alternative
A
Penny and Giles product story
Edited by the Engineeringtalk editorial team
Jul 6, 2005
A compact sensor provides accurate measurement in a range of strokes up to 5000mm and is ideal for use where space is a constraint or where traditional linear potentiometers are not suitable.
Penny + Giles has launched a new range of competitively priced draw-wire linear sensors.
The DLS is a compact sensor that provides accurate measurement in a range of strokes up to 5000mm and is ideal for use where space is a constraint or where traditional linear potentiometers are not suitable.
In extending its product range Penny + Giles is offering more choice to OEMs in a number of industries including construction, agriculture, materials handling, aerospace and automotive.
There are three sensors in the range: the DLS-P60 has a measurement range from 100 to 1500mm; the DLS-P96 has a measurement range from 2000 to 3000mm; and the DLS-P115 has a measurement range from 3000 to 5000mm.
Each is encased in a high strength aluminium housing and sealed to IP65 for use in harsh environments.
They provide virtually infinite resolution with a long life cycle and can withstand temperatures from -20 to +80C.
The highly flexible stainless steel measuring wire is wound onto a drum with the aid of a long-life spring motor.
The winding drum is linked axially to a multiple-turn potentiometer, incremental encoder or absolute encoder.
Linear movement is transformed into a rotation by the draw-wire principle and converted into a proportional analogue signal or to countable increments.
The sensors can be supplied with a choice of analogue outputs (potentiometer, 0-10V DC voltage or two-wire 4-20mA current) or digital outputs provided by encoders.
The sensor can be orientated in any direction and has mounting grooves on four sides of the housing to make the sensors easy to install.
A range of accessories is also available to assist the user during installation including: magnetic holders for the wire clip; wire extensions; pulleys; and mounting clamps.
Electrical connections are via a 1m-long integral cable or eight-pin flange connector to DIN45326.
All products are supplied from Penny + Giles's ISO9001 certified facility and carry the CE mark.
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Contact Penny and Giles
Tel +44 1202 409409
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