testo 6351 - High Accuracy Differential Pressure Transmitter

Order-Nr.  0555 6351

  • Automatic zero-point adjustment guarantees high temperature-independent accuracy and long-term stability

  • Low measuring range down to 50 Pa ensures very high precision at the lowest pressures

  • Measurement of differential pressure, flow velocity and volume flow

  • Configurable alarm management with adjustable response delay and alarm acknowledgement

testo 6351 Differential Pressure Transmitter

**NOTE: Please contact Testo to ensure proper configuration when ordering the testo 6351 Transmitter**


Product Description

The testo 6351 pressure transmitter for differential pressure enables measurements in the 50 Pa to 2,000 hPa measuring range. A particularly outstanding feature of the transmitter is the automatic zero-point adjustment, which ensures high accuracy and long-term stability.

testo 6351 pressure transmitter for differential pressure – the applications

  • Differential pressure monitoring between rooms; optional: simultaneous measurement of ambient temperature and humidity
  • Monitoring of drying processes, control of differential pressure, volume flow and flow velocity in critical air conditioning technology (air conditioning and ventilation systems) 

Delivery Scope

testo 6351 differential pressure transmitter depending on the chosen configuration.


Product Brochures



  • P2A PC software Update-Demo for transmitter  (v1.9, text/x-html, 1 KB) If you already have the P2A PC software installed on your PC, your existing version will be updated. The update is possible with any version of the P2A PC software. However, this version can also be used as a demo version for customers who do not already own the P2A PC software. It expires after 30 days, but can be activated at any time via an activation code.