Description
The MAMAC Systems PR-274-R1-MA is a precision low pressure sensor engineered for demanding building automation and HVAC applications. Featuring field-selectable pressure ranges and a robust NEMA 4 enclosure, this sensor delivers reliable, accurate differential pressure measurement in a wide variety of commercial and industrial environments.
Key Features
- Field-selectable pressure ranges: 0–10″ w.c. or -0.05″ w.c. to +0.05″ w.c.
- 4–20 mA 2-wire output for long-distance signal transmission with minimal wiring
- Wide supply voltage range: 12–40 Vdc for flexible installation compatibility
- NEMA 4 rated enclosure for protection against dust, splashing water, and harsh environments
- Field-selectable ranges reduce inventory requirements and simplify commissioning
- Designed for low differential pressure measurement in air and non-combustible, non-corrosive gas applications
- Suitable for VAV systems, clean rooms, filter monitoring, duct static pressure, and building pressurization
Specifications
- Model: PR-274-R1-MA
- Pressure Ranges: 0–10″ w.c. or -0.05″ w.c. to +0.05″ w.c. (field selectable)
- Output Signal: 4–20 mA, 2-wire
- Supply Voltage: 12–40 Vdc
- Enclosure Rating: NEMA 4
- Brand: MAMAC Systems
Applications
- Variable Air Volume (VAV) system pressure monitoring
- Duct static pressure measurement
- Filter differential pressure monitoring
- Building pressurization and clean room control
- Commercial HVAC building automation systems (BAS)
The MAMAC PR-274-R1-MA is built to meet the needs of HVAC professionals who require accurate, dependable low pressure sensing with the flexibility to adapt to multiple job site requirements — all in a single, field-configurable device.
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