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Model A4 Intrinsically Safe & Non-Incendive Pressure Transmitter
Brand: Ashcroft IncThe 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
Brand
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