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Magnetostrictive linear position sensors for industrial hydraulics

Magnetostrictive sensors

Available in:

27 versions

The most important application for our BTL magnetostrictive linear position sensors in rod design is in hydraulic drive units. They are exceptionally well-suited for use in hydraulic cylinders for position feedback, for molding and rolling mills, or for elevator and hoisting technology.

Since the sensors are installed in the pressure area of hydraulic cylinders, they have to have the same pressure resistance as the cylinder itself. The measurement element is installed in a pressure-rated tube made of non-magnetic stainless steel. The flange seals the high pressure area using an O-ring. Moreover, the electronics are integrated in a protective housing outside of the cylinder on the flange of the rod.

Features

  • High resolution of up to 1 µm
  • Measuring lengths of up to 7620 mm
  • Measures several positions and speeds at the same time
  • Programmable output signals – invert, configure, and document the measurement range
  • Flexible installation thanks to various thread types
  • Non-contacting, thus free from wear – no downtimes and a long service life
  • Expanded measuring possibilities with multi-magnet technology
  • Easy integration with equipment through a variety of interfaces – such as IO-Link, Profinet, EtherCAT, SSI, and analog

27 Results

Order code Interface Measuring length Mechanical configuration Ambient temperature Non-linearity Application
Actions

BTL C1 - Rod BN/ZN - IO-Link

BTL C1 - Rod BN/ZN - IO-Link
IO-Link 25...4000 mm a = B: fastening M18 thread
a = Z: fastening 3/4 inch thread
-40...85 °C ± 50 µm Hydraulic cylinder

BTL7 -A/B- Series - Analog current

BTL7 -A/B- Series - Analog current
Analog, current 25...7620 mm Fastening M18 threads -40...85 °C nnnn = 0050…0500: ± 50 µm
nnnn = 0501…5500: ± 0.01% FS
nnnn > 5500: ± 0.02% FS
Hydraulic cylinder

BTL7 -A/B- Series - EtherCAT

BTL7 -A/B- Series - EtherCAT
EtherCAT 25...7620 mm Fastening M18 threads -40...85 °C nnnn = 0050…5500: ± 30 µm
nnnn > 5500: ± 0.02% FS
Hydraulic cylinder

BTL7 -A/B- Series - Analog voltage

BTL7 -A/B- Series - Analog voltage
Analog, voltage 25...7620 mm Fastening M18 threads -40...85 °C nnnn = 0050…0500: ± 50 µm
nnnn = 0501…5500: ± 0.01% FS
nnnn > 5500: ± 0.02% FS
Hydraulic cylinder

BTL7 -Y/Z- Series - SSI

BTL7 -Y/Z- Series - SSI
SSI 25...7620 mm Fastening 3/4" threads -40...85 °C d = 1, 2, 3, 7:
nnnn = 25…5500: ± 30µm

d = 4, 5, 6, 8
nnnn = 25…5500: ± 2 LSB

nnnn > 5500: ± 0.02% FS
Hydraulic cylinder

BTL7 -Y/Z- Series - EtherCAT

BTL7 -Y/Z- Series - EtherCAT
EtherCAT 25...7620 mm Fastening 3/4" threads -40...85 °C nnnn = 0050…5500: ± 30 µm Hydraulic cylinder

BTL7 -A/B- Series - EtherNet/IP

BTL7 -A/B- Series - EtherNet/IP
EtherNet/IP 25...7620 mm Fastening M18 threads -40...85 °C nnnn = 0050…5500: ± 30 µm
nnnn > 5500: ± 0.02% FS
Hydraulic cylinder

BTL7 -A/B- Series - Digital

BTL7 -A/B- Series - Digital
Digital pulse 25...7620 mm Fastening M18 threads -40...85 °C nnnn = 0025…5500: ± 50 µm
nnnn > 5500: ± 0.02% FS
Hydraulic cylinder

BTL7 -Y/Z- Series - Profinet

BTL7 -Y/Z- Series - Profinet
Profinet 25...7620 mm Fastening 3/4" threads -40...85 °C nnnn = 0050…5500: ± 30 µm Hydraulic cylinder

BTL7 -Y/Z- Series - Analog current

BTL7 -Y/Z- Series - Analog current
Analog, current 25...7620 mm Fastening 3/4" threads -40...85 °C nnnn = 0050…0500: ± 50 µm Hydraulic cylinder