D0 Differential Pressure Switch – Sentry Series

Weatherproof / Flameproof / Intrinsically Safe (Ex ia)

Description

The D0 Sentry Series Differential Pressure Switch is a robust and reliable solution for monitoring differential pressure in demanding industrial environments. Designed for durability, safety, and long-term stability, the Sentry Series is suitable for use in harsh outdoor conditions and hazardous areas.

Available in D01, D02, and D03 models, this series supports a wide range of industrial applications where accurate and repeatable pressure switching is critical. (EAC certification available on request.)


Key Features

  • Rugged epoxy-coated aluminium enclosure rated IP66 / NEMA 4X

  • Available with SPDT or DPDT switch contacts

  • Environmentally sealed and optional hermetically sealed contacts

  • Stainless steel wetted parts as standard

  • Better than ±1% set-point repeatability

  • Differential pressure ranges from 0.4 to 700 bar (4 to 1500 psi)

  • Maximum pressure up to 1000 bar, depending on range

  • Market-leading 5-year warranty


Design & Performance Benefits

Easy Access & Installation

A screwed lid design provides quick access for wiring connections via the integral terminal block and for straightforward set-point adjustment during commissioning or maintenance.

High Repeatability

All configurations deliver better than 1% set-point repeatability, ensuring consistent and dependable switching performance across operating conditions.

Long-Term Reliability

The robust construction and extended 5-year warranty provide confidence for long-term industrial use.


Safety & Compliance

  • Integrated safety vent prevents enclosure pressurisation in the event of sensor overpressure or failure

  • Assessed for use in SIL 2 safety-related systems

  • Suitable for use in hazardous areas with Weatherproof, Flameproof, and Ex ia configurations


Typical Applications

  • Process monitoring and protection

  • Oil & gas installations

  • Chemical and petrochemical plants

  • Power generation

  • Industrial automation and safety systems


Downloads

The following documents are provided by the original manufacturer and are hosted on the manufacturer’s website.

Clicking a document will open the PDF directly.**

Technical datasheet

Operational instructions

Approvals

 

Delta Mobrey Sentry Series Differential Pressure Switch – Sentry Series

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