Gefran PME-0250 - Potentiometers

Useful electical stroke
(C.E.U.)
from 50 to 1000 mm
(for intermediate strokes see table
“Electrical / Mechanical Data”)
Independent linearity
(within C.E.U.)
see table
Resolution infinite
Repeatability ≤ 0.08 mm
Hysteresis ≤ 0.25mm
Electrical connection PME12 F 1 m 3-pole shielded cable
PME12 C 3-pole connector M8
Protection level IP67 (CEI EN 60529)
Life > 25x106
 mstrokes, or
> 100x106
 maneuvers, whicheverl
is less
Displacement speed ≤ 5 m/s
Max. acceleration ≤ 10m/s2
 displacement
Shock test DIN IEC68T2-27 50g, 11ms single stroke
Vibrations DIN IEC68T2-6 12g, 10...2000Hz
Cursor dragging force ≤ 0.5 N
Displacement sensitivity
 (no hysteresis)
 0.05 to 0.1 mm
Tracking error See table
Tolerance on resistance ±20%
Recommended cursor
current
< 0.1 µA
Maximum cursor current in
case of bad performances
10mA
Maximum applicable voltage See table
Electrical isolation >100MΩ at 500V=, 1bar, 2s
Dielectric strenght < 100µA at 500V~, 50Hz, 2s, 1bar
Dissipation at 40°C
(0W at 120°C)
See table
Actual Temperature Coefficient
of the output voltage
≤ 5 ppm/°C typical
Working temperature -30...+100°C
Storage temperature -50...+120°C
Material for transducer case Anodised aluminium, PSU
Material for cursor POM
Mounting Brackets with adjustable distance