Parsjahd Products - 266DRH

266DRH differential pressure transmitter with one remote seal

Model 266DRH is a high overload differential pressure transmitter suitable for measuring liquid, gas or steam flow as well as level, pressure and density characterized by the remote seal construction.

Thanks to Pars Jahd’s well developed “All-Welded” technology in remote seal manufacturing as well as to the longstanding expertise, 266DRH can offer unmatched total performances and a wide selection of options such as fill fluid, diaphragm material, capillary protection and mounting connections.



  • Base accuracy
    • From 0.06 % of calibrated span
  • Reliable sensing system coupled with very latest digital technologies
    • provides large turn down ratio up to 60:1
  • Comprehensive sensor choice
    • optimize in-use total performance and stability
  • Flexible configuration facilities
    • provided locally via local LCD keypad
  • New TTG (Through-The-Glass) keypad technology
    • allows quick and easy local configuration without opening the cover, even in explosion proof environments
  • IEC 61508 certification
    • Version for SIL2 (1oo1) and SIL3 (1oo2) applications
  • PED compliance to sound engineering practice (SEP)
  • Span limits
    • 1.1 ... 60000 kPa; 4.35 in.H2O ... 8700 psi
  • Multiple protocol availability
    • Provides integration with HART®, PROFIBUS PA and FOUNDATION Fieldbus platforms offering interchangeability and transmitter upgrade capabilities