Optical liquid level sensors : |
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Optical liquid level sensor - standard: |
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- measurement, regulation and control of production in foodstuff
(e.g. beverages production) or pharmaceutical industry
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sensing of a tank filling or emptying, min. and max. liquid level detection
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a pump dry run protection, etc.
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POS 187 311 (312/313/314)
POS 187 411 (412/413/414)
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Optical liquid level sensor for elevated temperatures : |
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- detection of a liquid level in extreme conditions up to 140 °C
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POS 287 311 (312/313/314)
POS 287 411 (412/413/414)
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1 Control unit
2 Input
3 Output
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| 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 |
|
 |
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POS 187 311 / POS 187 411
POS 287 311 / POS 287 411 |
POS 187 312 / POS 187 412
POS 287 312 / POS 287 412 |
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 |
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
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