Level Sensors

AquaBar II

Part No. HSB0 AB

Submersible probe – piezo-resistive stainless steel measurement cell

Submersible probe with 4 - 20 mA transmitter for hydrostatic level measurement in clean to slightly polluted liquids. With piezo-resistive stainless steel measurement cell

  • Stainless steel diaphragm
  • Piezo-resistive pressure sensor
  • for clean to slightly polluted liquids.
  • 2-wire probe
  • High accuracy
  • Integrated overvoltage protection
  • High electrical operating safety

The hydrostatic level probe features a diameter of only 27 mm and hence can be installed in tubes as used mainly for groundwater level measurement and deep well measurements.

The mechanically robust sensor body made of stainless steel (1.4571) and the separating diaphragm (1.4435) are held from the top on a self-supporting cable made of PUR.
The probe can be strained using a straining clamp.

The proven piezo-resistive measurement principle guarantees high long-term stability and operational reliability. Furthermore the reverse polarity protection, the short circuit resistance as well as an integrated overvoltage protection within the sensor body ensure high operating safety.

Utilising the widely used 2-wire technology, the installation costs are very low.

Typical applications for AquaBar II

  • Deep wells
  • Water levels
  • Spring discharge
  • Drinking water supply
  • Raw water extraction
  • Barrages
  • River levels
  • and many more
Common
Power supply12 to 36 V DC
Enclosure Stainless steel 1.4571 diaphragm: stainless steel 1.4435
ProtectionIP 68
Measurement principlePiezo-resistive
Measurement range2,4, 6 and 10 mH2O special measurement ranges upon request
Accuracy according to IEC 60770 0,35 % FSO
Long-term stability± 0.1 % FSO / year
Operating temperature-10 °C to +70 °C
Storage temperature-25 °C to +70 °C
Cableø9 mm Polyurethane
Cable lengths10, 20, 30, 50, 100 m special lengths upon request
Outputs4 - 20 mA, 2-wire
Load600 Ohm / 24 V 1000 Ohm / 32 V

Specifications subject to change.

Data Sheet AquaBar

Brochures / Data Sheets English

Submersible probe with 4 – 20 mA transmitter for clear and slightly polluted fluids

Overview Pressure Probes

Brochures / Data Sheets English

Overview on submersible and screw-in probes for hydrostatic level measurement

Instruction Manual Pressure Probes

Instruction Manuals / Technical Information English

Instruction manual of submersible and screw-in probes for hydrostatic level measurement

EU Declaration of Conformity "Pressure Probe"

Certificates English

EU Declaration of Conformity "Pressure Probe" Ex

Certificates English
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