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OPTICAL LIQUID LEVEL SENSORS

Description and application

OPTICAL LIQUID LEVEL SENSORS

 DESCRIPTION AND APPLICATION

Optical liquid level sensors are intended for measurement, regulation and control of production in foodstuff (e.g. beverages production) or pharmaceutical industry. They are used also in applications of sensing of a tank filling or emptying, min. and max. liquid level detection, a pump dry run protection etc.

Variants of optical liquid level sensors:

  • Type ,,A" - suitable for oil liquids (e.g. coling emulsions, oil, crude, hydraulic oil, milk, etc.)

 

  • Type ,,B" - suitable for liquids with foam (e.g. beer,  ,,cola" type drinks) and other liquids (e.g. water)

  • Specifications
  • Wiring diagram
  • Dimensional draft
  • Download
Sensor with cable
with connector
Nominal voltage Un
24 V DC
Power supply U
12 - 30 V DC
Supply current Ic
< 25 mA
Output current Iz
≤ 200 mA
Output indicator
LED
Reversed polarity protection
YES
Switching distance (% of a dipped setting tip)
<approximately 50 %
Switching frequency
35 Hz
Measuring range
-25 °C to 100 °C - temperature in a process
-25 °C to 80 °C - ambient temperature
Case material /sensing tip
stainless steel / crystall glass
Maximum operating pressure
2 MPa
Ingress protection
IP 68 IP 67
Connection type
cable PVC 3 x 0.25 mm2; 2 m connector M12

Variants of optical liquid level sensors:

Type ,,A" - suitable for oil liquids (e.g. coling emulsions, oil, crude, hydraulic oil, milk, etc.)
Type ,,B" - suitable for liquids with foam (e.g. beer, ,,cola" type drinks) and other liquids (e.g. water)

Order reference number
Output With cable With connector
TYPE "A" TYPE "B" TYPE "A" TYPE "B"
NPN n.o.
POS 187 311 A POS 187 311 B POS 187 411 A POS 187 411 B
n.c. POS 187 312 A POS 187 312 B POS 187 412 A POS 187 412 B
PNP n.o. POS 187 313 A POS 187 313 B POS 187 413 A POS 187 413 B
n.c. POS 187 314 A POS 187 314 B POS 187 414 A POS 187 414 B

Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.

Datasheet - optical liquid level sensors
Datasheet - optical liquid level sensorsDatasheet - optical liquid level sensors
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