Model GC31 Ultra-Compact Digital Pressure Sensor

Brand: Ashcroft Inc

The Ashcroft® GC31 is an ultra compact indicating transducer with analog scaling, switch outputs and a 3-1/2 digit LED display. 

Incorporating Ashcroft’s field-proven thin film sensor, this highly reliable transducer is an ideal choice for applications where performance, size and cost are essential.
Features
  • Ultra-compact design 1.2" x 1.2" (30 mm x 30 mm)
  • Combined three-in-one digital pressure gauge, switch and transducer
  • Simple "Push-Button" configurability allows user to adjust switch settings, analog scaling
  • Numerous standard ranges available

Specifications

Diaphragm Material

  • Sensor Diaphragm: 630 Stainless Steel (17-4 PH)

NPT Connection

  • 1/4” NPT Male

Mounting

  • Panel Mount Bracket

Delay Time

  • 5 milliseconds to 2 seconds

Humidity

  • 0 to 85 % Relative Humidity, Non-Condensing

Resolution

  • Output Resolution: 25 mV

Switch Type

  • Transistor (2 NPN, PNP Open Collector)

Pressure Range

  • bar: -1 to 103.4
  • kPa: -103.4 to 10,342
  • psi: -15 to 1,500

Operating Temperature

  • -20° to 50° C (-4° to 122° F)

Cable Length

  • 6 feet (2 metres)

Display

  • 3-1/2-Digit, 10 mm LED Display

Environmental Protection

  • IP40

Storage Temperature

  • -30° to 60° C (-22°  to 140° F)

Electrical Connectors

  • Pigtail with 6 feet Cable

Proof Pressure

  • 1.5 times Range for psi: 1,000 (kPa: 6,895, bar: 68.95) Above
  • 2 times Range for psi: 500 (kPa: 3,447, bar: 34.47) Below

Electrical Rating

  • NPN Typical: 80 mA at 30 Vdc, Max.
  • PNP Typical: Voltage Drop 80 mA at 1 Vdc, Max.

Consumption

  • Current Consumption: 30 mA - Max.

Media

  • Fluids
  • Gas

Supply Voltage

  • 11-27 Vdc

Compensated Temperature

  • -10° to 50° C (14° to 122° F)

Approvals & Certifications

  • Traceable 9-Point Calibration Report
  • CE EN 61326-1 2006, EN 61326-2-3 2006
  • RoHS

Temperature Effect

  • Zero/Span: ± 0.03 % of Full Scale/°F (± 0.05 % of Full Scale/°C) from 23° C (73° F)

Enclosure, Body Material

  • ABS
  • Aluminum
  • Polycarbonate
  • Sensor: 304 Stainless Steel

Output

  • 1-5 Vdc

Pressure Type

  • Compound Pressure
  • Gauge

Accuracy

  • ± 1 % of Full Scale Includes the Effects of Linearity, Hysteresis & Repeatability,

Response Time

  • Analog Output: 50 milliseconds

Burst Pressure

  • 8 times Range

  • Ammonia-based Cooling Systems
  • Hydraulic Presses
  • Lift Stations
  • Pressure Monitoring for Lifts, Vulcanizers & Lubrication Systems
  • Refrigerators
  • Stamping Presses Equipment
  • Tire Presses Vulcanization
  • Water/Wastewater Pressure Control
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