RF Admittance Level Transmitter
RF Admittance Level Transmitter

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Fabricant: FineTek

RF Admittance Level Transmitter

The RF admittance level transmitter uses the capacitance formed between the measuring probe and the reference probe or the metal tank wall to calculate the level of the medium inside the tank based on capacitance theory, where capacitance and tank volume are proportionally increased. When the probe is surrounded by air, a small capacitance (C) is measured by the equivalent capacitor A. The capacitance gradually increases as the medium fills, and the maximum capacitance (C) is measured by capacitor B when the tank is full. The difference (dC) between C and C is proportional to the level between A and B (recommended range for dC = 25-2000 pF).

Main features:

  • 4-20mA, 2-wire, loop powered
  • Low power consumption (max. 20 mA)
  • High accuracy linearity (temperature compensation, low-temperature effect (A0.2% FS/BC or 0.1pF/BC))
  • Easy calibration (2 arbitrary calibration points)
  • No minimum distance from the liquid, ideal for various tanks
  • Suitable for high temperature, high pressure, and corrosive environments
  • Local LCD display

Applications:

  • Aqueous solutions
  • Oils
  • Acids or bases
  • Animal feed and grains
  • Mining and cement
Moins
Lire la suite

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The RF admittance level transmitter uses the capacitance formed between the measuring probe and the reference probe or the metal tank wall to calculate the level of the medium inside the tank based on capacitance theory, where capacitance and tank volume are proportionally increased. When the probe is surrounded by air, a small capacitance (C) is measured by the equivalent capacitor A. The capacitance gradually increases as the medium fills, and the maximum capacitance (C) is measured by capacitor B when the tank is full. The difference (dC) between C and C is proportional to the level between A and B (recommended range for dC = 25-2000 pF).

Main features:

  • 4-20mA, 2-wire, loop powered
  • Low power consumption (max. 20 mA)
  • High accuracy linearity (temperature compensation, low-temperature effect (A0.2% FS/BC or 0.1pF/BC))
  • Easy calibration (2 arbitrary calibration points)
  • No minimum distance from the liquid, ideal for various tanks
  • Suitable for high temperature, high pressure, and corrosive environments
  • Local LCD display

Applications:

  • Aqueous solutions
  • Oils
  • Acids or bases
  • Animal feed and grains
  • Mining and cement
Moins
Lire la suite
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