Incremental rotary encoder ETx25F
absoluteHall effect12-bit

incremental rotary encoder
incremental rotary encoder
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incremental, absolute
Hall effect
Absolute encoder resolution
12-bit, 14-bit
solid-shaft, single-turn, multi-turn, flange, sealed
Output signal
analog, digital, voltage output, commutation, DC output, 4-20 mA, SSI, serial
Supply voltage
24 Vdc, 15VDC, 12 Vdc, 5 VDC
stainless steel, plastic
Protection level
shock resistant, dust-proof, IP40, IP55, short circuit-proof
industrial, for motors, for OEM, for elevators, exterior, for robotics
Other characteristics
compact, programmable, for motor feedback, modular, redundant, galvanically-isolated, IC
Flange size

25 mm (1 in)

Housing diameter

Min.: 25 mm (1 in)

Max.: 37 mm (1 in)

25 mm (1 in)

Shaft diameter

Min.: 4 mm (0 in)

Max.: 6 mm (0 in)

6 mm (0 in)


14.5 mm (0.571 in)

Rotational speed

Min.: 100 rpm (628 rad.min-1)

Max.: 800 rpm (5,027 rad.min-1)

Output frequency

Min.: 10 kHz

Max.: 100 kHz

Process temperature

Min.: -40 °C (-40 °F)

Max.: 85 °C (185 °F)


ETx25F encoders are used for reliable angle measurement with a hardened and tempered sleeve bearing made of metal: as singleturn variant (360°) with analogue, PWM, incremental, SER or SPI output or as multiturn variant (up to 72000°) with analogue output. ETx25F can be used up to medium environmental requirements (from shaft side max. IP55M/IP66S). Singleturn electronics: ETA25F absolute encoder (ETA25F X redundant version): Provides an absolute analogue signal with 12 bit resolution. ETP25F absolute analogue encoder: PWM output. ETI25F incremental encoder: With up to 1024 pulses / per revolution and availability of following output signals: TTL, Push-Pull or Open Collector. ETS25F absolute encoder with digital output: 12 bits resolution with SER interface and in 14 bits resolution with SPI interface. Multiturn electronics: ETP25F PM multiturn encoder with analogue output, direct programmable on site: The ETA25F PM measures angles from 0…10° up to 0...72000° (absolute).


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.