posirot® Magnetic Angle Sensors PRAS4 Angle sensor for underwater applications, up to 100 m depth Protection class IP68 (10 bar), continuous use Robust stainless steel housing Diameter 79 mm, overall height 22.5 mm Contactless with external position magnet, wear-free

PRAS4 - Magnetic Angle Sensor Version with analog output Specifications Order options Mechanical connection Contactless with external position magnet Measurement range Voltage 0.5 ... 10 V Voltage 0.5 ... 4.5 V ratiometric Current 4 ... 20 mA, 3 wire Signal characteristics Signal increasing CW, clockwise Signal increasing CCW, counterclockwise Cable, standard length 2 m Housing material Stainless steel EN 1.4404 (AISI 316L) Protection class Pressure resistance Temperature range 1250 g approx. (without cable) Order example: PRAS4 – K – 360 – I1 – CW – KAB2M ‒ VA ‒ WP Accessories: Position magnets...

A – Position magnet B – Measurement area C – Marking IP68 / 100 m, continuous use. Dimensions in mm [inch]. Weight without cable approx. 1250 g. Dimensions informative only. For guaranteed dimensions please consult factory.

A – Position magnet B – Marking Order code stainless steel EN 1.4404 (AISI 316L) IP68 / 100 m, continuous use. A misalignment of the position magnet has an effect on the linearity. Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions please consult factory.

Measuring error by misalignment of the position magnet Air gap (a) Parallelism (b) Axial misalignment (c) Error by axial misalignment [°] Position magnet

Output specification Analog output U2 Voltage output 0.5 ... 10 V Excitation current Output voltage Output current Measuring rate Stability (temperature) Reverse polarity, short circuit Operating temperature Excitation voltage Excitation current Output voltage Output current Measuring rate Stability (temperature) Reverse polarity, short circuit Operating temperature U6 Voltage output 10 … 90 % ratiometric Excitation voltage

I1 Current output 4 … 20 mA, 3 wires Excitation voltage Excitation current Output current Measuring rate Stability (temperature) Reverse polarity, short circuit Operating temperature Analog output (cable output, seawater resistant submarine cable) Signal wiring Output signals Cable color 3-wire current 4...20 mA interface: GND has to be connected!

Characteristics for magnetic angle sensors Output signal CW (clockwise increasing) Output signal CCW (counterclockwise increasing) Example angular range 90° Example angular range 360° A – Marking B – Measurement range [°]