2-wire inductive proximity switches
3-wire inductive proximity switches with increased switching distance
3-wire standard inductive proximity switches
4-wire inductive proximity switches with increased switching distance
4-wire standard inductive proximity switches
Inductive proportional sensor
Inductive rotation sensor
Optical liquid level sensors
Inductive vehicle detector

Optical liquid level sensors :

Optical liquid level sensor - standard:


 
  • measurement, regulation and control of production in foodstuff (e.g. beverages production) or pharmaceutical industry
  • sensing of a tank filling or emptying, min. and max. liquid level detection
  • a pump dry run protection, etc.

Dimensions


POS 187 311 (312/313/314)



POS 187 411 (412/413/414)

Optical liquid level sensor for elevated temperatures :


 
  • detection of a liquid level in extreme conditions up to 140 C

Dimensions


POS 287 311 (312/313/314)



POS 287 411 (412/413/414)




1 Control unit
2 Input
3 Output

Technical data


Nominal voltage: 24 VDC
Supply voltage range: 12 ... 30 VDC
Current consumption: 25 mA
Output: NPN, PNP
Output function: n.o. , n.c.
Max. output current: 200 mA
Output indicator: LED
Reverse polarity protection: Yes
Short circuit protection: Yes
Sensing distance (% of a dipped sensing tip): < cca 50%
Operating frequency: cca 35 kHz
Ambient temperature range:
- standard sensor -25 C ... +100 C
- sensor for elevated temperatures -25 C ... +140 C
Operating pressure: 20 bar
Protection:
- cable PVC (PUR) 3 x 0,25 mm2 IP 68
- connector M12 IP 67
Housing: stainless steel
Sensing tip: crystal glass

Connection

POS 187 311 / POS 187 411
POS 287 311 / POS 287 411
POS 187 312 / POS 187 412
POS 287 312 / POS 287 412


POS 187 313 / POS 187 413
POS 287 313 / POS 287 413
POS 187 314 / POS 187 414
POS 287 314 / POS 287 414
BR - brown
S - black
BL - blue
BR - brown
W - white
G - green
Cable version / Connector version

Mounting nut