Gefran PK-1250 - Potentiometers

Useful electrical stroke (C.E.U.) from 50 to 1300 mm
(for intermediate strokes see table
“Electrical / Mechanical Data”)
Independent linearity (within
C.E.U.)
± 0,05%
Resolution infinite
Repeatibility 0.01 mm
Electrical connection PK M - DIN43650 4-pin connector
PK B - DIN43322 5-pin connector
Protection IP40
Life > 25x106
 m strokes, or
> 100x106
 maneuvers, whichever
is less
(within C.E.U.)
Displacement speed ≤ 10m/s
Displacement force ≤ 1.2 N
Vibrations 5...2000Hz, Amax =0,75 mm amax.
= 20 g
Shock 50 g, 11ms.
Acceleration operative 200 m/s2
 max (20g)
Tolerance on resistance ± 20%
Recommended cursor current ≤ 0.1 mA
Maximum cursor current 10mA
Maximum applicable voltage 60V
 Electrical isolation >100MΩ a 500V=, 1bar, 2s
Dielectric strength < 100 mA a 500V~, 50Hz, 2s, 1bar
Dissipation at 40°C (0W at
120°C)
3W
Temperature Coefficient of the
resistance -200 …. +200 ppm/°C typic
Actual Temperature Coefficient
of the output voltage ≤ 5ppm/°C typic
Working Temperature -30...+100°C
 Storage Temperature -50...+120°C
Case material Anodised aluminium Nylon 66 G 25
 Mounting method Brackets with variable longitudinal axis
with M6 screw ISO4017-DIN933