Gefran WRA-A-2250 - Magnetostrictives

 Model from 50 to 4000 mm
 Measurements displacement
 Position read sampling
 time (typical)
From 0,5 ms to 3 ms
(depending on stroke)
Shock test DIN IEC68T2-27 100g - 11ms - single shock
 Vibration DIN IEC68T2-6 15g / 10...2000Hz
 Displacement speed ≤ 10 m/s
 Max. acceleration ≤ 100 m/s2
 displacement
 Resolution 16 bit (max noise 5 mVpp)
 Cursor Floating separate cursor
 Working temperature (*) -30...+85°C
 Storage temperature -40...+100°C
 Coefficient of temperature ≤ 0,01% F.S./°C
 Protection IP67
 Operative pressure 350 bar (peak max. 500 bar)(**)
(*) see possible restrictions in the paragraphs “Electrical connections” and
“Accessories on request”.
(**) The operating and max. peak pressure, can only be reached by
following the installation guide specified on the data sheet (see section
“INSTALLATION INSIDE A CYLINDER”).
 Output signal 0...10V (A) 4...20mA (E)
0...20mA (G)
Nominal power supply 24 Vdc ±20% 24 Vdc ±20%
Max. power ripple 1Vpp 1Vpp
Max. consumption (**) 70mA 90mA
Load on output 5kΩ < 500Ω
Max. output noise < 5mVpp < 5mVpp
Max. output value 12V 30mA
Alarm output value 10.5V 21mA
Electrical isolation 500V (*) 500V (*)
Protection against polarity
inversion Yes Yes
Protection against overvoltage Yes Yes
Protection against power supply
on output Yes Yes