PI P-841.1, User Manual, Page: 28 / 34

12 Technical Data
12.1 Specifications
P-841.1 P-841.2 P-841.3 P-841.4 P-841.6 Unit Toler-
ance
Travel range at 0 to
100 V 15 30 45 60 90 µm ±20 %
Sensor* SGS SGS SGS SGS SGS
Resolution, closed
loop / open loop** 0.3 / 0.15 0.6 / 0.3 0.9 / 0.45 1.2 / 0.6 1.8 / 0.9 nm
Static large signal
stiffness*** 57 27 19 15 10 N/µm ±20 %
Push force capacity 1000 1000 1000 1000 1000 N
Pull force capacity 50 50 50 50 50 N
Torque on tip 0.35 0.35 0.35 0.35 0.35 Nm max.
Electrical capacitance 1.5 3.0 4.5 6.0 9.0 µF ±20 %
Resonant frequency f
0
(no load)
18 14 10 8.5 6 kHz ±20 %
Operating tempera-
ture range -20 to 80 -20 to 80 -20 to 80 -20 to 80 -20 to 80 °C
Mass without cable 20 28 46 54 62 g ±5 %
Length L 32 50 68 86 122 mm ±0.3
Voltage connector LEMO
FFA.
00.250
(coaxial) LEMO
FFA.
00.250
(coaxial) LEMO
FFA.
00.250
(coaxial) LEMO
FFA.
00.250
(coaxial) LEMO
FFA.
00.250
(coaxial)
Sensor connector LEMO
FFA.0S.
304 LEMO
FFA.0S.
304 LEMO
FFA.0S.
304 LEMO
FFA.0S.
304 LEMO
FFA.0S.
304
Cable length 1 1 1 1 1 m -0 mm /
+50 mm
Recommended elec-
tronics E-503,
E-505,
E-610,
E-617,
E-621,
E-625,
E-663,
E-665,
E-709,
E-831 E-503,
E-505,
E-610,
E-617,
E-621,
E-625,
E-663,
E-665,
E-709,
E-831 E-503,
E-505,
E-610,
E-617,
E-621,
E-625,
E-663,
E-665,
E-709,
E-831 E-503,
E-505,
E-610,
E-617,
E-621,
E-625,
E-663,
E-665,
E-709,
E-831 E-503,
E-505,
E-610,
E-617,
E-621,
E-625,
E-663,
E-665,
E-709,
E-831
* Versions with SGS allow closed-loop linearity up to 0.15 % and are shipped with
calibration log.
** The resolution of the system is only limited by the noise of the amplifier and measuring
technology because PI piezo actuators are free of friction.
12 TECHNICAL DATA P841M0001EN
‒
1/29/2021
28
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