Main features & Overview


Digital “Autozero & Span” option makes the pressure transmitter TK Series a product extremely innovative and versatile.

Designed thanks to the advanced electronics used by TK, this function allows zero and span adjustment in a simple, fast and reliable way, avoiding to use analogue trimmer, potential weak point and source of possible drifts or failures.

The starting is user friendly, simply touching the specific target marked on the sensor body with a pen with magnetic head (included as standard).

Within few seconds the operation is concluded, without the need to dismantle or to open the instrument.


  • Course Magnetic Autozero
  • Fine Magnetic Autozero
  • Calibration Signal 80% FS
  • Magnetic Autospan
  • Partial reset function
  • Total reset function


Gefran product range brochure
Pressure Transducers and Transmitters
TKDA datasheet
Digital Autozero & Span option
Manual of electrical installation for pressure probes
EU Conformity declaration - TKDA


UK Conformity declaration - TKDA