Differential pressure transmitter
from 20 Pa to 15,000 Pa
Differential pressure transmitters from Huba Control record precise pressure differences for fine measurements in air and neutral gases.
Measurement quality and long-term stability
Hubaʼs differential pressure transmitters are specially developed for the precise detection of differential, positive and negative pressures in air and non-aggressive gases. They are used wherever the highest measurement quality and long-term stability are required – for example in building automation, industrial process monitoring or in cleanroom and laboratory applications.
Advantages
- Excellent long-term stability, minimal drift over service life
- All-in-one devices with adjustable measuring ranges
- Parameterizable differential pressure or flow measurement
- Precise and reliable monitoring of variable air volumes in ventilation and air conditioning ducts
- Also available with Modbus interface
Functional principle
The piezoresistive, diaphragm-based Differential pressure sensors from Huba Control consist of a thin silicon diaphragm in which resistances are integrated as a Wheatstone bridge. When there is a pressure difference, the diaphragm deforms, which leads to a change in resistance (piezoresistive effect). This change is converted into an electrical voltage and output as a precise measurement signal - proportional to the differential pressure applied.
Sensors
Differential pressure transmitter 401
Differential pressure transmitter 402
Differential pressure transmitter 450
Differential pressure transmitter 652
Differential pressure transmitter 664
Differential pressure transmitter 692
Differential pressure transmitter 698
Differential pressure transmitter 699
Differential pressure transmitter 699M