MAMAC Systems PR-274-R2-MA Low Pressure Sensor, 4-20mA, NEMA 4

Description

The MAMAC Systems PR-274-R2-MA is a versatile low pressure sensor engineered for precise differential and gauge pressure measurement in commercial HVAC and building automation applications. With multiple field selectable pressure ranges and a robust NEMA 4 enclosure, this sensor delivers reliable performance in demanding environments.

Field Selectable Pressure Ranges

• 0 to 1″ w.c.
• 0 to 0.5″ w.c.
• 0 to 0.25″ w.c.
• -0.05″ to 0.05″ w.c.
• -0.25″ to 0.25″ w.c.
• -0.125″ to 0.125″ w.c.

Electrical Specifications

• Output Signal: 4–20mA, 2-wire
• Supply Voltage: 12–40Vdc

Enclosure & Construction

• NEMA 4 rated enclosure for protection against dust and water ingress
• Suitable for indoor and outdoor installations

Key Features & Benefits

• Multiple field selectable ranges eliminate the need for multiple sensor SKUs on the job
• 4-20mA 2-wire output ensures compatibility with a wide range of building automation and control systems
• Wide supply voltage range (12–40Vdc) provides installation flexibility
• Ideal for monitoring duct static pressure, filter differential pressure, room pressure, and airflow applications
• NEMA 4 enclosure protects internal components in harsh or wet environments

Typical Applications

• Duct static pressure monitoring
• Filter differential pressure measurement
• Clean room and critical environment pressure control
• VAV system pressure sensing
• Building automation and DDC control systems