Air Bubbler Liquid Level Switches Datasheets

Double Bubbler Liquid Level Sensor -- DB1
from Campbell Scientific, Inc.

The DB1 is a self-calibrating system that measures water level (or other liquids), such as measurement in channels and stilling wells. It detects level by measuring the pressure required to force nitrogen bubbles from a pair of submerged tubes. The orifices of the tubes are separated by a fixed... [See More]

  • Technology: Air Bubbler
  • Mounting: Side mount
  • Material Temperature: -13 to 122
  • Interface: Digital Serial
5-level Liquid Level Sensor -- Model 408
from Time Mark Corporation

The Model 408 is a 5-level liquid level sensor designed for use with bubbler-type systems. The 408 contains an internal air pressure transducer; the user must provide a small air compressor capable of supplying a maximum of 15 psi. This operates the system to a liquid depth of 34.6 feet. The output... [See More]

  • Technology: Air Bubbler
  • Construction: Solid-state switch
  • Measuring Range: 415
  • Maximum  Pressure: 15