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Level monitoring systems

Level sensors for a very wide range of industrial applications

Filling levels can be registered using either a contact or contact-free method. To so do, various sensor techniques are employed. Depending on the actual requirement, the filling level can be determined continuously or as a threshold value. Capacitive sensors can be used for point level monitoring, and they can also detect filling levels through non-metallic container walls. The exact filling level for liquids can be hydrostatically determined using pressure sensors or via a probe with guided wave radar. With bulk material, photoelectric sensors can determine the filling level up to ten metres to the nearest centimetre. The level sensors AF005 and AF006 are particularly reliable, even where material to be sensed tends to cling. The measuring technique in this case is based on impedance spectroscopy.

Point level detection

The point level detection process detects when a defined filling level is reached. This triggers an electric switching signal. The user can adjust the sensors to the medium at the press of a key. The integrated electronics ensure exact replication of the set switching points. The capacitive measuring principle reliably detects changes in the filling level through non-metallic container walls. Impedance spectroscopy enables front or rear mounted level monitoring of tanks and containers without foam formation or clinging material interfering with the process.
System: Capacitive, wetted
  • For contact with the medium
  • Overflow protection
  • Leakage monitoring
  • e.g. the AF001
System: Capacitive, contactless
  • For detection through non-metal containers
  • The cost-effective variant for point level monitoring
  • e.g. the AC001 to AC005
System: Impedance spectroscopy, front mounted
  • Adhesion ignored
  • Level monitoring in tanks and containers
  • Point level monitoring
  • e.g. the AF005
System: Impedance spectroscopy, rear mounted
  • Adhesion ignored
  • Level monitoring in tanks and containers
  • Point level monitoring
  • e.g. the AF006

Sensors for limit detection

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Slot Ø16 mm
132 mm
Programmable
Unit price: 75.97 *
M12
3 ... 12 mm
M12
Unit price: 58.22 *
G 1/2 M
Installation at front
Programmable
Unit price: 85.81 *
G 1/2 M
Installation at rear
Programmable
Unit price: 85.81 *

Continuous level measuring

In continuous measuring, the filling level is detected steplessly and converted into an electric signal for display and transmission. Continuous level sensors from autosen utilise three physical measuring principles: guided wave radar for liquid media, a ceramic pressure measurement cell that determines the hydrostatic pressure of the material involved and optical sensing to detect bulk material or non-transparent liquids.
System: Guided wave radar
  • Robust against adhesion and foam formation
  • Probe can be shortened from 0.1 ... 1.6 m
  • Specially developed for water-based media
  • e.g. the AF003 and AF004
System: Hydrostatic
  • Suitable for industrial applications
  • Suitable for hygiene applications
  • On tanks and in open water
  • e.g. the AF901 to AF904
  • e.g. the AP001 to AP022
System: Optical
  • For large distances up to 10 m
  • Without medium contact
  • For bulk materials or non-transparent liquids
  • e.g. the AL001 to AL004
System: Ultrasonic
  • Contactless level monitoring
  • Self-cleaning sensor membrane
  • For levels of up to 8 metres in height
  • e.g. the AU007

Sensors for continuous level measuring

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Heating oil, fuels
0.5 bar / 10m cable
Analogue output
Unit price: 190.50 *
G 1/4 F
-1 bar ... 1 bar
Programmable
Unit price: 208.48 *
M12
0,2 ... 10 m
Programmable
Unit price: 206.93 *
M18
200 ... 2200 mm
Programmable
Unit price: 156.92 *
G 3/4 M
100 ... 1600 mm
2x switching output
Unit price: 194.62 *