Gefran PMI-1000 - 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
Repeatibility ≤ 0.08 mm
Electrical connection 1 mt. 3-pole shielded cable
Displacement speed standard < 5 m/s
Max. acceleration < 10m/s2 max displacement
Cursor dragging force ≤ 0.5 N
Vibrations 5...2000 Hz, Amax = 0.75 mm
amax = 20 g
Shock 50 g, 11 ms
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 10 mA
Maximum applicable voltage see table
Electrical isolation > 100 MΩ at 500 V = 1 bar, 2 s
Dielectric strength < 100 µA at 500 V~ 50 Hz,
2 s, 1 bar
Dissipation at 40°C
(0 W 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 Steel AISI 316
Important: All the data reported in the catalogue linearity and temperature
coefficients are valid for a sensor utilization as a ratiometric device with a
max current across the cursor circuit Ic ≤ 0.1 mA.