Model A4 Intrinsically Safe & Non-Incendive Pressure Transmitter

Brand: Ashcroft Inc
Does not ship to United States

The Ashcroft A4 Pressure Transmitter is ideal for a broad spectrum of pressure sensing requirements where Intrinsically Safe or Non-Incendive hazardous location ratings are required.

The Ashcroft A4 is designed and manufactured to provide the user with accurate, reliable, and stable output data.

This is accomplished through the use of an on board microprocessor, that is programmed during a unique digital compensation process, to provide extremely linear and precise performance over the entire specified pressure and temperature range.
Features
  • FM and CSA listings 
  • Choice of 0.25%, 0.50% or 1.0% accuracy 
  • Pressure ranges from 5 psi through 10,000 psi 
  • CE mark 
  • 316L stainless steel wetted materials, 17-4 PH optional 
  • 304 stainless steel case in standard, welded or explosion proof construction 
  • Optional absolute pressure ranges available 
  • Zero and span access (basic enclosure) 

Specifications

Accuracy

  • ± 0.25 % of Span
  • ± 0.5 % of Span
  • ± 1 % of Span

Approvals & Certifications

  • CE
  • CSA
  • FM

BSP Connection

  • G 1/2” Male

Burst Pressure

  • 1.5 times Full Scale
  • Minimum 2 times Full Scale of psi: 0 to 300 (kPa: 0 to 2,068, bar: 0 to 20.6)

Compensated Temperature

  • -20° to 85° C (-4° to 185° F)

Diaphragm Material

  • 316L Stainless Steel
  • 630 Stainless Steel

Electrical Connectors

  • 1/2” NPT Male Conduit Connection
  • 4-Pin Bendix
  • Flying Leads
  • Hirschmann Style Form A DIN 43650-A
  • Integral Cable Connector
  • M12 Threaded
  • Pigtail Connector
  • Shielded Cable

Electrical Protection

  • Reverse Polarity

Enclosure, Body Material

  • 304 Stainless Steel

Environmental Protection

  • Explosion-proof
  • Ingress Protection: IP65
  • Ingress Protection: IP67
  • Ingress Protection: NEMA 4X
  • Ingress Protection: NEMA 6
  • IP66

Humidity

  • 0 to 100 % Relative Humidity
  • 0 to 95 % Relative Humidity, Non-Condensing

NACE & NIST

  • NIST

NPT Connection

  • 1/2” NPT Female
  • 1/2” NPT Male
  • 1/4” NPT Female
  • 1/4” NPT Male
  • 1/8” NPT Male

Operating Temperature

  • -40° to 125° C (-40° to 257° F)

Output

  • 4-20 mA, 2-Wire

Position Effect

  • ± 0.02 % Typical

Pressure Cycles

  • Durability: > 10 Million Cycles

Pressure Range

  • bar: 0 to 689.5
  • kPa: 0 to 68,950
  • psi: 0 to 10,000

Pressure Type

  • Absolute
  • Gauge

Process Temperature

  • -40° to 125° C (-40° to 257° F)

Proof Pressure

  • 1.2 times Full Scale
  • 1.5 times Full Scale

Response Time

  • < 2 milliseconds

SAE Connection

  • 7/16”-20 SAE Male

Sensor, Probe Material

  • 630 Stainless Steel

Shock

  • 100 G, 11 milliseconds

Stability

  • ≤ ± 0.25 % of Span/Year

Storage Temperature

  • -40° to 125° C (-40° to 257° F)

Supply Voltage

  • Maximum
  • Minimum 12 Vdc

Temperature Effect

  • ± 1 % of Span for ± 0.25 % Accuracy Class
  • ± 2 % of Span for 0.5 % & 1 % Accuracy Classes

VCR / VCO Connection

  • 1/4” VCR

Vibration Effect

  • Random: 10 G RMS, 20 to 2,000 Hz
  • Sweep: 5 G Peak, 50 to 2,000 Hz

Wetted Materials

  • 316L Stainless Steel

  • Natural Gas Compressors
  • Oil Field Equipment
  • Transfer Control
  • Upstream Oil & Gas Production
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