
Smar Pressure Transmitter – LD291-M31I-01-01/I1
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$1,644
Vendor: Smar International Corp.
The Smar LD291-M31I-01-01/I1 is a high-accuracy pressure transmitter designed to measure gage pressure from -1000 to 2500 mbar (approx. -14.5 to 36.3 psi). It is ideal for precise industrial measurement and control in process systems.
This model features a 316L stainless steel diaphragm and wetted parts with silicone oil fill, making it suitable for corrosive media. It has a 1/2″ NPT female process connection and does not include a local display.
The transmitter outputs a standard 4–20 mA signal with HART® protocol for remote configuration and diagnostics. It is engineered for reliability in demanding environments and supports advanced control systems.