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Inductive Sensors - LVDT
 

Linear Variable Differential Transformers are ideal for applications in harsh industrial environments such as high temperature and pressure applications, dynamic applications and long term cycles.

 

Specials

- Range 0.5 mm...1100 mm

- Infinite resolution

- Linearity < +/- 0.5 % FS

- AC and DC supply

- Variable AC/DC outputs

- Working temperature up to +150 0C

- Stainless steel housing, IP 68

- Infinite life time

 

Applications

- Pneumatic and hydraulic cylinders

- Machine building industry

- Automotive industry

- Wood and paper industry

- Electronic industry

- Automation

- Custom made machine building industry

- Laboratory

 

 

Electronic Types

 

Technical data 

Sensor

Range [mm]

0...50, 0...80, 0...100, 0...150, 0...200, 0...300, 0...600 (optional)

Linearity

0.5 %

Types

Free core, push rod guided / unguided, ball bearing

Bearing material

Phosphor-bronze, e.g. Iglidur bearing

Protection

IP 65 or IP 68 / 10 bar

Supply

Supply voltage / frequency - 3 Vpp / 3 kHz, range - 0.5...8 Vpp, frequency range - 2...10 kHz

Temperature range

-40...+120 0C (150 0C on request)

Mounting

f20 mm clamp

Connection

4 core PTFE-cable, PVC-cable on request

Housing

f4.7 mm, length 1.5 m, 2 twisted pair PVC-core 0.16 mm2

Cable (PVC)

100 m between sensor and external electronics

 

Free core / Push rod

Max. acceleration of core / push rod

n.c.

Life time

Infinite

Weight (without cable) [g]

n.c.

 

Electronics

Output signal

0...20 mA, 4...20 mA (load < 500 W), 0...5 V, +/- 5 V (load < 5 kW), 0...10 V, +/- 10 V (load > 10 kW)

Temperature coefficient

Zero 150 ppm/ 0C, max. value 400 ppm / 0C

Ripple

< 20 mVpp

Frequency

300 Hz/-3 dB (Butterworth 5'th order)

Adjustment range 

Offset +/- 20 %, gain +/- 50 %

Isolation

Supply <> signal 500 VDC

Supply

24 VDC +/- 20 %, max. < 150/80 mA with/without load, (15 VDC +/- 20 %, max. 300/100 mA optional), galvanic isolated

Temperature

0...+60 0C operating / -20...85 0C storage

Housing

Meets UL94-VO

Mounting

DIN rail

 

Dimensions

Range (FS) [MM]

Body Length [mm]

Core Length [mm]

0...50

187

70

0...80

247

100

0...100

287

120

0...150

387

170

0...200

487

220

0...300

687

320

 

Free Core

 

 

Ball Bearing

 

 

External Electronics