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Acid/Soda/Alcohol/Water Level Sensor, Vertical, PTFA1104 US$33.15

9242
Acid/Soda/Alcohol/Water Level Sensor, Vertical, PTFA1104


Vertical Liquid Level Sensor

This is a Celduc PTFA1104 liquid level sensor whose operation is based on the status of a reed switch which can be opened or closed (depending on its placement in the container) as the level of liquid moves the float at its end. The reed contact is completely isolated from the liquid; the one moving part (the float arm) has a magnet embedded in it to activate the switch.

This sensor is recommended for potable liquids and certain acids. When mounted at the top of a tank, with the float hanging down, the switch will be in an Open state until the liquid level raises the float. If you mount it with the float pointing upward, then the switch will be Closed until the liquid level raises the float.

Therefore, when facing upward, this sensor is well suited for applications where you want something to happen when a tank empties, as the sensor's switch will close when the level drops (e.g. activate a pump that re-fills the tank). Alternatively, when facing downward, the sensor is suited for applications where you want something to happen when a tank fills, as the switch will close when the level rises (e.g. activate a pump that drains the tank to prevent overflow).

Combatibile Liquids

This sensor is made from polypropylene and can be used in the following liquids:
  • Acetic acid
  • Citric acid
  • Formic acid
  • Lactic acid
  • Diluted nitric acid
  • Phosphoric acid
  • Diluted sulphuric acid
  • Soda
  • Ethanol
  • Methanol
  • Propanol
  • Glycol
  • Mineral oil
  • Water
It is not compatible with chloroform, methylene chloride, trichloroethylene, toluene, or hard acids.

Liquid Level Sensor Features

  • Mounting: Horizonal, external mounting
  • Wiring: Two 300mm wires, 22 AWG
  • Material: Polypropylene
  • Float Travel: 9mm (switch opens at 6.5mm; closes at 3.5mm)
  • Max. Switching Power: 10VA
  • Max. Switching Voltage: 100V DC
  • Max. Switching Current: 0.5A
  • Dielectric Strength: 500V DC
  • Contact Resistance: 150 mΩ
  • Float Density: 0.70
  • Operating Temperature: -10 to +80 C
  • Thread: 1/8" GAS (28 per inch)

PTFA1104 Documentation

Compatible with Waspmote

This sensor can be used in a Waspmote wireless sensor platform by plugging it into the Waspmote Events Sensor Board.


This product was added to our catalog on Wednesday 09 July, 2014.

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