Subminiature DVRT

Uygulamalar:

Kalite Kotrol
ölçme, boyut kontrolü
 
Malzeme Bilimi, İnşaat Mühendisliği
yapısal bozulmaların izlenmesi ve ölçülmesi
Otomotiv , Aerospace
Pnömatik&Hidrolik kontrol , pozisyon&geribesleme kontrolü
  Robotik
doğrusal&açısal geribesleme kontrolü
 
Minyatür sensörler
ayna pozisyonlama

Yarıiletken Litrografi
doğrusal katmanların yerleştirilmesi

 

Electrical Specifications:

(obtained using MicroStrain's DEMOD-DVRT)

Linear Stroke Lengths

 8, 24, and 38 mm (standard resolution)

 6 mm (high resolution)

 500 microns or less depending on your required resolution spec. (nano resolution)

Nonlinearity

 +/- .4% over 6 mm (max. 8mm stroke)

 +/- .7% over 8 mm (max. 8mm stroke)

 +/- .6% over 24 mm (max. 24mm stroke)

 +/- .17% over 8 mm (max. 24mm stroke)

 +/- .3% over 24 mm (max. 38mm stroke)

 +/- .7% over 38 mm (max. 38mm stroke)

 +/- 1.2% over 6 mm (high res. 6mm stroke)

 +/- .4% over 3 mm (high res. 6mm stroke)

Sensitivity

 1 volt/mm typ. (for 8 mm stroke)

Signal to noise

4200 to 1 (with filter 3 dB down at 900 Hz, standard resolution;
466 to 1 (unfiltered)

Resolution

 1.9 microns (standard version 8mm stroke)

 5.7 microns (standard version 24mm stroke)

 0.6 microns (high resolution 6mm stroke)

 10 nanometers (nano resolution optimized for 200 microns of stroke with filter 3 dB down at 80 Hz)

Frequency response

 7 Khz (unfiltered) -contact us for faster response reqirements.

Temp. coeff. offset

 .002% / degree C (typical)

Temp. coeff. span

 .030% / degree C (typical)

Hysteresis

 +/- 1 micron

Repeatability

 +/- 1 micron

Synch. demod. input

 +/- 7 volts min. @ 10 milliamps/rail

Synch. demod. output

 +/- 4 volts typ., buffered line out

(tested with integral MicroStrain DVRT Synch. Demod. @ 25 degrees Celsius)

Mechanical Specifications:

Overall body length

approx. 3.5 times linear stroke

~29 mm for 8 mm stroke

~84mm for 24 mm stroke

~118 mm for 38 mm stroke

Outside Diameter

4.76 mm (3/16 inch)

Housing material

300 series stainless steel (SS); 400 SS optional, 5/16-24 threaded

Leadouts

45 cm (18"), multistranded, shielded, SS reinforced, teflon insulated

Connectors

sensor: keyed Lemo 4-pin

Strain relief

Stainless steel center conductor for tensile strain relief

Operating temperature

- 55 to 105 degrees C (standard); -55 to 175 degrees C (high temp. option)

Core weight

350 milligrams (for 8 mm stroke)

 

Copyright © 2003 Endüstriyel & Bilimsel Test Teknolojileri Tasarımı ve Ar-Ge Mühendisliği