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Technical data and description
PRK 55 Ex
Polarized retro-reflective photoelectric sen-
sor, autocollimation optics with visible red
light
Particularly suited for highly transparent bot-
tles (PET and glass)
316L stainless steel housing in
WASH-DOWN design
Scratch resistant and non-diffusive plastic
front cover
Easy adjustment via lockable teach button
or teach input
Certification
II 3G Ex nA op is IIB T4 Gc X
II 3D Ex tc IIIC T70°C Dc IP67 X
Accessories:
(available separately)
Cables with M8 connector
ATTENTION!
Only use cables with axial (straight)
plug outlet (see dimensioned draw-
ing).
Leuze electronic GmbH + Co. KG
info@leuze.com • www.leuze.com
Retro-reflective photoelectric sensors with polarization filter for bottles
Dimensioned drawing
0 ... 3.5m
Electrical connection
In der Braike 1 D-73277 Owen Tel. +49 (0) 7021 573-0
A
B1
B2
C
D
E
F
G
Connector, 4-pin
Connector, 3-pin
DANGER!
Observe the notices for installation and commissioning!
Do not disconnect the sensor connection within the potentially
explosive area while under voltage!
4x M3 x 8 screws
Distance bolts
Distance bolts
55 series sensor
Fastening holes for
M3 x 20 screws
Name plate
Optical axis
Indicator diodes
PRK 55/6D.42-S8.3 Ex - 03
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Related Manuals for Leuze PRK 55 Ex Series
Summary of Contents for Leuze PRK 55 Ex Series
- Page 1 Do not disconnect the sensor connection within the potentially explosive area while under voltage! Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen Tel. +49 (0) 7021 573-0 PRK 55/6D.42-S8.3 Ex - 03 info@leuze.com • www.leuze.com...
- Page 2 PRK 55 Ex Technical data Tables Optical data Reflectors in food Operating quality range Typ. operating range limit (TK(S) 100 x 0 … 3.5m 100) Operating range See tables 1 TK(S) 100x100 0 … 3.0m Light source LED (modulated light) 2 TK 40x60 0 …...
- Page 3 PRK 55 Ex Retro-reflective photoelectric sensors with polarization filter for bottles Sensor adjustment (teach) via teach button The sensor is factory-adjusted for maximum operating range. Recommendation: teach only if the desired objects are not reli- ably detected. Prior to teaching: ...
- Page 4 PRK 55 Ex Teaching for maximum operating range (factory setting at delivery) Prior to teaching: Cover the light path to the reflector! Press teach button until both LEDs flash simultaneously. Release teach button. Ready. green yellow Simultaneously 2 …...
- Page 5 PRK 55 Ex Retro-reflective photoelectric sensors with polarization filter for bottles Notices for the safe use of sensors in potentially explosive areas The valid range encompasses devices of Group II, Category 3, Zones 2 ("Gas Ex") and 22 ("Dust Ex"). ATTENTION! Check whether the equipment classification corresponds to the requirements of the application.
- Page 6 PRK 55 Ex Chemical resistance The sensors demonstrate good resistance against diluted (weak) acids and bases. Exposure to organic solvents is possible only under certain circumstances and only for short periods of time. Resistance to chemicals must be examined on a case by case basis. ...
- Page 7 PRK 55 Ex Retro-reflective photoelectric sensors with polarization filter for bottles Mounting instructions Place device in the protective housing in the direction of the arrow. Fit fastening screws (item 3) with washers (item 4) according to diagrams depending on the installation situation, push through the device and securely tighten.
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