Differential Pressure Transmitter PDT101

for precise differential pressure monitoring in critical environments

The PDT101 differential pressure transmitter is designed for demanding applications. There are dedicated models for critical and regulated environments with very low differential pressures, and unidirectional models for air handling systems. 

The highly accurate bidirectional models of PDT101 are ideal for demanding and regulated life science and cleanroom applications, as well as data centers or other applications that require precise differential pressure measurement. The unidirectional models of PDT101 are optimal for air handling units to measure e.g. differential pressure over fans.

The sensor integrates with the Vaisala viewLinc monitoring system. This makes it ideal for high performance cleanroom environments in the life science, semiconductor and electronics industries.


  • DIN rail, panel or wall mountable
  • 3 pressure ranges (Pa and inH2O)
  • Accessible zero and span adjustment potentiometers
  • ¼” brass tubing connections
  • LED status indicator
  • Dedicated models for critical and regulated environments, and for air handling systems
  • Euro style detachable connector
  • Measurements traceable to international standards

Key benefits

Easy to install

Easy mounting on a wall, DIN rail or panel. The transmitter's has a compact design and is well suited for monitoring cleanrooms and adjacent corridors with LED indicator lights for quick and easy power status checks.

Simplified compliance

As part of the Vaisala viewLinc monitoring system, the PDT101 is ideal for regulated environments where continuous, documented and redundant data is a requirement.

Precision and flexibility

The sensor enables precise measurement and control in high performance cleanrooms. The PDT101 transmitter is available with voltage output (3-wire) or current output (2-wire).

Customer Stories