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LVDT sensors
EDL / EDU

Very short LVDTs with integrated signal conditioner
  • Fully symmetrical LVDT design, up to 75 % of the overall length can be used as measuring range
  • EDL with Ø 12 mm for standard applications
  • EDU with robust Ø 16 mm for rough use

  • Standard version
    • Supply +10...+30 VDC
    • Output +2...+10 VDC, 4...20 mA, PWM

  • Miniature version (20 mm shorter)
    • Supply +5 VDC
    • Output +0,5...4,5 VDC or PWM

Important features

  • Nominal stroke: 15 mm up to 1000 mm
  • Installation length: 430 mm to 1470 mm
  • Case diameter: 3 mm
  • Carrier frequency: 5 kHz (option: 10 kHz)
  • Operating temperature: 0 ... 70 °C
  • Protection (DIN 40050): IP 64

Technical data

 
  
EDL 50
EDU 50
EDL 100
EDU 100
EDL 200
EDU 200
EDL 300
EDU 300
EDL 400
EDU 400
EDL 500
EDU 500
Nominal stroke mm ±25 ±50 ±100 ±150 ±200 ±250
Mechanical stroke mm 55 105 210 320 420 520
Dimension A, other dimensions as option* mm 55 80 135 190 240 290
Installation length B, mini / standard version mm 130 / 150 190 / 210 290 / 310 400 / 420 510 / 530 630 / 650
* Specify options on order
   
EDL 50
EDL 100
EDL 200
EDL 300
EDL 400
EDL 500
Displacement transducer diameter mm 12 h9 12 h9 12 h9 12 h9 12 h9 12 h9
Core rod diameter /
incl. Teflon coating		 mm 3 / 3,6 3 / 3,6 3 / 3,6 3 / 3,6 3 / 3,6 3 / 3,6
Sensor weight (approx.) g 80 100 150 180 220 250
Core weight (approx.) g 7 10 15 20 26 32
   
EDU 50
EDU 100
EDU 200
EDU 300
EDU 400
EDU 500
Displacement transducer diameter mm 16 ±0,1 16 ±0,1 16 ±0,1 16 ±0,1 16 ±0,1 16 ±0,1
Core rod diameter /
incl. Teflon coating		 mm 5 / 5,6 5 / 5,6 5 / 5,6 5 / 5,6 5 / 5,6 5 / 5,6
Sensor weight (approx.) g 140 190 280 380 480 580
Core weight (approx.) g 20 28 45 60 78 94

* Specify options on order

1) The Teflon coating of the core rod is only for mechanical sliding and has no influence on the electrical properties of the LVDT sensor.

Properties

    EDL / EDU 50 ... 100
Supply UB   Version /A: +15 ... +30 VDC (+10...+30 VDC at Rload < 200 Ohm)
Versions /V, /P: +10 ... +30 VDC
Versions /VM, /PM: +5 ± 0.25 VDC
Output signal
(inner end position ... middle position ... outer end position)
Inverted output signal as an option*		 Version /A: 4 ... 12 ... 20 mA (at Rload < 500 Ohm)
Version /V: +2 ... +6 ... +10 VDC
Version /P: PWM (TTL level) with duty cycle 10 ... 50 ... 90 %
Version /VM: +0.5 ... +2,5 ... +4.5 VDC
Version /PM: PWM (TTL level) with duty cycle 10 ... 50 ... 90 %
Linearity  < ±0,5 % F.S.O.
Temperature coefficient of the output signal < ±0,5 % / 10 K
Operating temperature* 0 °C ... +70 °C
Protection class according to DIN 40050 IP 64

* Specify options on order

Model list

    Abbr. EDL EDU
Measuring range see technical data   50 ... 500 50 ... 500
Connection variant Leads none (AWG 30) (AWG 26)
Axial PE cable1) K
Radial PE cable 1) Q
Axial connector 1) 2) LX
Radial connector 1) 2) R
Linearity (FSO) 0,5 %  





Version /A /A
Version /V /V
Version /P /P
Version /VM /VM
Version /PM /PM
Options
 Output signal inverted (decreasing) /INV optional optional
Custom dimension A /Axx optional optional
Core teflon coated /KT Serie optional
Teflon cable /TF optional optional

1) Core channel not continuous
2) Mating connector supplied

Dimensional drawings / Connection variants

Leads ( )

dimensional drawing edl edu leads

Axial cable connection (K)

dimensional drawing edl edu axial cable connection

Radial cable connection (Q)

Transducer length = Dimension B+5

*) for EDL: 15x15; for EDU: 20x20

dimensional drawing edl edu radial cable connection

Radial connector (R)

Transducer length = Dimension B+5

**) for version R: 20x20

dimensional drawing edl edu radial connector

Axial connector (LX)

dimensional drawing edl edu axial connector

Electrical connection

edl edu connector
edl edu electrical connection
Leads ( ) Cable (K) / (Q) Connector (R) Connector (LX) Signal Note
Red Red 1 1 UB (Supply) >>> Not electrically isolated !!!
For /A, /V, /P: polarity reversal protection
For /VM, /PM: NOT reverse polarity protected !!!
Black Black 2 2 COM Reference potential for supply and output
White (or yellow) White 3 3 Output /A, /V >>> Do not apply ext. voltage !!!
Blue Blue 4 4 Output /P, /VM, /PM >>> Do not apply ext. voltage !!!
-- Shield 5 Casing Shielding  

Downloads

icon-pdf-blueProduct data sheet

Accessories

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Accessory 1

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dlh-hauptbild-persp

Accessory 2

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dlh-hauptbild-persp

Accessory 3

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