pr-274

Mamac System PR-274 Low Pressure Sensor/Transducer

The PR-274/275 incorporates a new micro-machined glass-on-silicon (Gl-Si) capacitance sensor.

Features of Mamac System PR-274:

  • 100% solid-state, micro-machined, glass-on-silicon, ultra-stable capacitance sensor
  • As low as ± 0.05″wc (± 12.5 pa)
  • Can resolve less than 0.00001″wc (0.00025 pa)
  • Up to 10 PSID overpressure without zero shift
  • Up to 6 field selectable ranges in one unit
  • Wide 12-40 VDC/12-35 VAC unregulated supply voltage
  • Two temperature compensated output versions, 4-20 mA 2-wire or field selectable
    0-5 VDC/0-10 VDC
  • Non-interacting zero and span trimmers
  • NIST traceable calibration
  • Two rugged steel enclosure types, NEMA 4 (IP-65) or panel mount for ease of installation
  • Conforms to EMC and RoHS standards

Specifications:

  • Accuracy*: ± 1% FS
  • Overpressure: 10 PSID
  • Supply Voltage: 12 – 40 VDC, 12 – 35 VAC (VDC output units only)
  • Supply Current: VDC units – 10 mA max.; mA units – 20 mA max.
  • Compensated Temperature Range: 25°F-150°F (-4°C-65°C)
  • T.C. Error: ± 0.0125%/°F (.02%/°C)
  • Load Impedance: 1.6K ohms max. at 40 VDC (mA output units)
    1K ohms min. (VDC output units)
  • Enclosure: 18 Ga. C. R. Steel NEMA 4 (IP-65) or Panel Mount Chassis
  • Finish: Baked-on enamel-PMS2GR88B
  • Operating Temperature Range: 0°F-175°F (-18°C-80°C)
  • Media Compatibility: Clean dry air or any inert gas
  • Environmental: 10 – 90% RH Non-Condensing
  • Termination: Unpluggable screw terminal block
  • Wire Size: 12 Ga. maximum
  • Weight: Enclosure 1.0 lb. (.45 kg)
    Panel mount: 0.5 lbs. (.25 kg)

 * Includes non-linearity, hysteresis and non-repeatability

Conformance & Testing

RoHS Compliant
EMC Testing:

BS EN 55022:1998, BS EN 55024:1998,
EN 61000-3-3, EN 61000-4-2,
EN 61000-4-3, EN 61000-4-4,
EN 61000-4-5, EN 61000-4-6,
EN 61000-4-11

Quick Quote: