TWK IW 254/100-0.5-KV-PK4-A123 inductive linear displacement transducer

Steam turbine main control valve
Hydraulic and pneumatic cylinder position measurement
Power generation systems
Industrial automation
Machine manufacturing

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The TWK IW 254/100-0,5-KV-PK4-A123 is an inductive linear displacement transducer operating on the differential choke principle. A mu-metal plunger moves through coils, causing inductance changes that provide precise position feedback. The sensor is encapsulated in a stainless steel housing for protection against vibration, shock, humidity, oil, and corrosive substances. It offers infinite resolution, no hysteresis, and is protected against short circuits and reverse polarity.

Measuring principle: Inductive half-bridge

Measuring stroke: 100 mm

Linearity: ≤ 0.5 %

Output signal: 4…20 mA

Supply voltage: 21.5–32 V DC

Operating temperature: -55 °C to +100 °C

Vibration resistance: 20 g rms (50 g peak), 20–2000 Hz

Shock resistance: 250 g SRS, 20–2000 Hz

Protection class: IP66 (IP68 with cable)

Material: Stainless steel housing (1.4305), plunger nickel-iron

Connection: KV type, PK4 cable

Special feature: Infinite resolution, no hysteresis, short-circuit and reverse polarity protection

Data Sheet