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DESCRIPTION

FLOW CAPTOR WEBER SENSOR

The flow-captor and vent-captor are compact, self-contained flow sensors that work according to a calorimetric principle. The principle allows for the creation of compact, reliable flow sensors with a price/ performance ratio not possible with other physical flow-sensing principles. Especially at a low flow rate, no other sensing principle can achieve the high accuracy as the flow-captor. First engineered by weber Sensors more than 20 years ago, weber continues to pioneer sensors based on this principle.
flow-captor and vent-captor are available as insertion and in-line types. Both are also available with a binary output as switches and adjustable set-point and with an analog output as meters with an adjustable measuring range.
A series of flow-captors and vent-captors offer temperature measuring features.

The Calorimetric Principle
The calorimetric principle is sometimes called the heat dissipation or simple thermal principle. Basically, a small probe that is exposed to the medium to be sensed is electrically heated above the medium temperature. The flow of the medium creates a cooling effect that cools the probe more or less relative to the velocity. The temperature change is measured and converted into the desired electrical output signal.

Flow-Captor :

- Type 4120.12/ 13

- Type 4121.12/ 13

- Type 4120-10-M

- Type 4120-52-53-M