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Working Principle

The probe forms a capacitance with the metallic tank-wall.
The capacitance is sum of three capacitance :

C(air)=ε(air) × P × (H - L)
C(material)=ε(material) × P × L
C(residual) is due to device itself.

where ε(air) is the dielectric constant of air ≈1. ε(material) is dielectric constant of material.

P is constant of probe and installation, H is the active length of probe and L is the level of material.

Capacitance to level translation is performed with the aid of on-site calibration also called "wet-calibration"

The device stores a low level capacitance as level for 4mA and high level capacitance as level for 20mA as defined by the user.

Using these values and following equation.
L(high) L(low) = C(high) C(low) / P × {ε(material) ε(air)}


device creates a chart of level to 4-20mA translation.

Applications

  • Free flowing homogeneous liquids.
  • Like oil, raw water, WFI, DM/DI water etc.
  • Suitable for top mounting.
  • Process temperature max. 200 ºC.
  • Process pressure max. 20 bar.
  • Suitable for corrosive liquids.
  • Exd version available-suitable for Gas Group IIC, T6 as per IEC 60079-1-2007 & IEC 600529-2001

Features

  • Compact size.
  • Rigid rod/flexible rope versions.
  • Wide range industrial dc power supply (12 to 60 VDC).
  • Loop powered device (true-two wire).
  • No potentiometers - hassle free calibration.
  • Various customized process connections like Threaded/Flanged/Hygienic etc.
  • Water bed sensing for oil/fuel/fatty-acid applications.
  • Remote electronic version available on request.

Typical Mounting

Product Video

Coming soon...

Contact Us

39, Mangal Nagar, Behind Sai Ram Plaza, Near Rajiv Gandhi Circle, AB. Road,, Indore, Madhya Pradesh 452001, India

+91-731-656 2425, +91-731-243 5106,

sales@trumen.in

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