Description
The MAMAC Systems PR-274-R3-VDC is a versatile, field-configurable low differential pressure sensor engineered for demanding HVAC and building automation applications. Designed to provide accurate, reliable pressure measurement across a wide variety of duct, room, and air-handling environments, this sensor eliminates the need to stock multiple units by offering six field-selectable pressure ranges and dual output options — all configurable without removing the device from service.
Field-Selectable Pressure Ranges
- 0 to 5″ w.c. (inches water column)
- 0 to 2.5″ w.c.
- 0 to 1.25″ w.c.
- -2.5″ w.c. to +2.5″ w.c. (bidirectional)
- -1.25″ w.c. to +1.25″ w.c. (bidirectional)
- -0.625″ w.c. to +0.625″ w.c. (bidirectional)
Field-Selectable Output Signal
- 0–5 Vdc
- 0–10 Vdc
Power Supply
- 12–40 Vdc
- 12–35 Vac
Key Features & Benefits
- Six field-selectable pressure ranges reduce inventory requirements and simplify installation
- Dual VDC output options compatible with most BAS/DDC controllers
- Wide supply voltage range accommodates both AC and DC power sources
- Compact design suitable for duct, room, and air-handler pressure monitoring
- Ideal for VAV systems, filter differential pressure, and clean room applications
- MAMAC Systems quality construction for long-term reliability in commercial HVAC environments
Specifications
- Model: PR-274-R3-VDC
- Brand: MAMAC Systems
- Pressure Ranges: 0–5″, 0–2.5″, 0–1.25″, ±2.5″, ±1.25″, ±0.625″ w.c. (field selectable)
- Output Signal: 0–5 Vdc or 0–10 Vdc (field selectable)
- Supply Voltage: 12–40 Vdc / 12–35 Vac
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