Magnetic Sensors
Magnetic sensors detect the position or movement of permanent magnets through housing walls of non-ferrous materials. The assortment covers magneto-inductive proximity switches, pneumatic cylinder sensors, and magneto-inductive linear position sensors for stroke measurement on hydraulic and pneumatic actuators.
Two manufacturers dominate the catalogue: Turck for proximity and cylinder sensors, and IPF for application-specific variants including FM-approved devices.
Switching frequency separates discrete switches from fast pulse pickups: 1 kHz covers the bulk of cylinder applications, 0.3 kHz suits slow mechanics, and high-speed variants reach 250 kHz and 1000 kHz.
Linear stroke versions are offered with measuring lengths of 32 mm, 45 mm, 64 mm, 128 mm, 160 mm, and 256 mm for analogue cylinder feedback. Pre-wired variants come with cable lengths of 0.3 m, 2 m, 5 m, 10 m, or 15 m.
Most devices operate over -25 …+70 °C, with extended-range models down to -40 °C. Wiring options include 2-wire and 3-wire versions, plus FM-approved models for hazardous-area pneumatics.
