AF906Pressure level transmitter

  • Suitable for drinking water

  • 0.3 bar / 10m cable

  • Analogue output
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Overview

  • Suitable for measuring the level of water, water-based media, drinking water
  • The submersible pressure transmitter is lowered to the bottom of the vessel
  • Measuring range 0...0.3 bar/ 0...3 mH2O
  • The relative pressure measuring cell ensures an accurate analogue signal and good long-term stability
  • Pressure compensation with the ambient pressure by means of a capillary tube integrated in the connection cable with a filter to protect against tube clogging

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Description

Submersible pressure transmitters are ideal for level measuring in vessels, waste water systems and wells. The hydrostatic submersible pressure transmitter AF906 determines the level via the hydrostatic pressure of the medium acting on the bottom of the vessel. A pressure of 0.3 bar can be measured and thus corresponds to a water column of 3 mH2O. The AF906 has a 10 m cable with an integrated capillary tube for pressure compensation. The submersible pressure transmitter is suitable for drinking water applications, waste water and aggressive media.

The submersible pressure transmitter AF906 has a robust and sealed stainless steel housing and boasts a high-quality finish. The relative pressure measuring cell measures the hydrostatic pressure of the water column and converts it into a 4...20 mA signal. A capillary tube is integrated in the connecting cable and is used for atmospheric pressure compensation. A filter protects the open end of the tube against clogging. The filter and the cap are included in the scope of delivery.

The ends of the cable are ideally assembled in a watertight connection box or directly in the control cabinet. When assembling, make sure the capillary tube is not kinked, otherwise there will be no pressure compensation. Special autosen cable clamps can be used during assembly to prevent this from happening. Accessories, technical data sheets and further information can be found further down the page.

Technical data AF906

General information

Water, water-based media, suitable for drinking water
Immerge level transmitter with cable to the ground;
alternatively installation in 1-inch tube
0...0.3 bar / 0...3 mH2O

Outputs / inputs

4 ... 20 mA
No

Electrical data

10 ... 30 V DC
Direct voltage (DC)
500 V DC
20 mA
< (supply voltage - 7 V) / 0.02 A
III
Yes
Yes

Mechanical data

V4A (1.4404)
Al2O3 (ceramic)
EPDM
PE-HD
Al2O3 (ceramic)
PPE
V4A (1.4404)
EPDM
Open cable
10 m
PE-HD

Accuracy

0,2 % FS*
± 0.8 % FS*
incl. zero point, full scale, linearity, hysteresis and repeatability
± 0.5 % FS* / 10K
± 0.25 % FS*
*FS: Fullscale

Ambient conditions

3 bar
-20 ... 80 °C °C
IP68

Additional information

1 protection cover
1 protective filter for the ventilation pipe
EN 61326-2-3
CE

Drawings



CASE = case grounding
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