
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

