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

Description
  • 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
Technical Data
Common
Load

600 Ohm / 24 V

1000 Ohm / 32 V

 

Outputs

4 - 20 mA, 2-wire

Cable lengths

10, 20, 30, 50, 100 m

special lengths upon request

 

Cable

ø9 mm Polyurethane

Storage temperature

-25 °C to +70 °C

Operating temperature

-10 °C to +70 °C

Long-term stability

± 0.1 % FSO / year

Accuracy according to IEC 60770

0,35 % FSO

 

Measurement range

2,4, 6 and 10 mH2O

special measurement ranges upon request

 

Measurement principle

Piezo-resistive

Protection

IP 68

Enclosure

Stainless steel 1.4571

diaphragm: stainless steel 1.4435

 

Power supply

12 to 36 V DC

Specifications subject to change.

Downloads

Data Sheet AquaBar

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

Overview Pressure Probes

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

Technical Description Rev. 10 "AquaBar BS, AquaBar II, UniBar E II"

Declaration of Conformity "Pressure Probe"

Declaration of Conformity "Pressure Probe" Ex

Declaration of Conformity "Ex" UniBar E II & "Ex" AquaBar II

UniBar E II Ex

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