Setra 231G-MS3-2F-N Pressure Transducer

The Setra 231G-MS3-2F-N is a heavy-duty wet-to-wet differential pressure transducer engineered for the most demanding HVAC pumping applications and energy management systems. This multi-configurable unit eliminates the need to carry multiple sensors, featuring field selectable pressure ranges that span from 25 to 250 PSID in both unidirectional and bidirectional modes. Built with a rugged NEMA 4 rated housing and a hinged, captive cover, this model ensures reliable performance in harsh mechanical rooms and prevents the loss of hardware during field adjustments.

Technicians can easily optimize performance via the field accessible push-button zero and jumper-selectable surge damping to prevent erratic readings from water hammer. The 17-4 PH stainless steel wetted parts provide broad media compatibility for liquids and gases, while the 1/8-18 NPT female pressure connections and 1/2-inch conduit opening facilitate a standard, secure installation. This multi-range pressure transmitter supports 4-20 mA and selectable VDC outputs, allowing for seamless integration into various Building Automation Systems (BAS) and process control loops without additional hardware.

Key Benefits

• Reduced Inventory: Consolidates multiple PSID requirements into a single device with 8 selectable ranges (25, 50, 125, and 250 PSID).
• Installation Flexibility: Features a Port Swap jumper to fix incorrect plumbing in seconds without unhooking lines.
• Contaminant Protection: The all-cast aluminum, powder-coated enclosure protects internal dual sensors from moisture and debris.
• Precision Control: High-accuracy piezoresistive sensing with selectable 5-second averaging for surge damping in fluid loops.

Common Questions

How do I correct for zero-point drift after installation?
The unit features a field accessible push-button zero. Simply hold the button for two seconds after the sensor is installed and plumbed to reset the zero point for local or remote monitoring.

What media can be used with this transducer?
This wet-to-wet transducer is compatible with any liquids or gases that do not react with 17-4 PH stainless steel. Note that hydrogen use is not recommended with this specific alloy.

Can I change the output signal from mA to Volts in the field?
Yes, the Setra 231G-MS3-2F-N features a slide switch for Selecting between 4-20 mA, 0-5 VDC, 1-5 VDC, and 0-10 VDC outputs to match your controller's requirements.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.