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AST4400 Standard Pressure Transducer
Brand: American Sensor Technologies Inc
The AST4400 is a stainless steel pressure transducer with a wide variety of options.
With its rugged construction and best price-to-performance ratio in the industry, the AST4400 is the solution for pressure measurement in Intrinsically.
Features- Class I Division 1 Intrinsically Safe Groups C, D when Installed with an Approved Barrier
- ATEX / IECEx: Class I Zone 0 Exia IIB T4 Ga (Temperature = -40°C to 80°C)
- High Strength Stainless Steel Construction
- No Oil, Welds or Internal O-rings
- Wide Operating Temperature
- Pressures up to 20,000 psi
- Low Static and Thermal Errors
- Unparalleled Price and Performance
- Compatible with Wide Variety of Liquids and Gases
Specifications
Accuracy
- < ± 0.25 % BFSL (< ± 0.5 % from 7,500 up to 20,000 psi) at 25° C (77° F) Includes Non-Linearity, Hysteresis & Non-Repeatability
Applications
- Control Panels
- Data Loggers
- HVac/R Equipment
- Hydraulic Systems
- Industrial OEM Equipment
- Pneumatics
- Water Management
Approvals & Certifications
- ATEX Class I Zone 0 Exia IIB T4 Ga, Temperature = -40° to 80° C (-40° to 176° F)
- CRN
- CSA 157
- IEC 61508
- IECEx Class I Zone 0 Exia IIB T4 Ga, Temperature = -40° to 80° C (-40° to 176° F)
- SIL 2
- UL
Bandwidth
- (-3 dB), DC to 1 kHz for 1-5 Vdc, 1-6 Vdc & 0.5-4.5 V Ratiometric
- (-3 dB), DC to 250 Hz for 4-20 mA
BSP Connection
- 1/4” BSPP Male
Burst Pressure
- 5 times or psi: 40,000 (kPa: 275,800, bar: 2,758) at 25° C (77° F)
Compensated Temperature
- 0° to 55° C (32° to 132° F)
Cone & Thread Connection
- Autoclave F-250-C Female
Current
- < 10 mA at 0.5-4.5 V Ratiometric - Current Consumption
- 20 mA at 4-20 mA - Current Consumption
- 5 mA, Typical at 1-5 Vdc, 1-6 Vdc - Current Consumption
Electrical Connectors
- 6-Pin Bendix
- Conduit, 10 feet
- Conduit, 2 feet
- Conduit, 4 feet
- Conduit, 6 feet
- DIN 43650A
- M12 x 1
- Mini DIN 43650C
- Mini-Fast
- Packard Metripack 150 3-Pin
Environmental Protection
- Intrinsically Safe Class I, Div. 1, Groups C, D
- IP66, Min.
Excitation Voltage
- 10-28 Vdc at 4-20 mA
- 5 Vdc, Regulated at 0.5-4.5 V Ratiometric
Humidity
- 0 to 100 % Relative Humidity, Non-Condensing
Media
- Liquids & Gases
NPT Connection
- 1/2” NPT Male
- 1/4” NPT Female
- 1/4” NPT Male
- 1/8” NPT Male
Operating Temperature
- -40° to 80° C (-40° to 176° F)
Output
- 0.5 - 4.5 V Ratiometric
- 1-5 Vdc
- 1-6 Vdc
- 4-20 mA
Output Impedence
- 10 Kiloohms at 4-20 mA
Output Load
- 0 to 800 ohms at 10-28 Vdc at 4-20 mA
- 10,000 ohms, Min. for 1-5 Vdc, 1-6 Vdc & 0.5-4.5 V Ratiometric
Output Noise
- < 2 mV RMS for 1-5 Vdc, 1-6 Vdc & 0.5-4.5 V Ratiometric
Pressure Cycles
- > 100 Million at 25° C (77° F)
Pressure Range
- bar: -1.014 to 1,379
- kPa: -101.4 to 137,900
- psi: -14.7 to 20,000
Reverse Polarity Protection
- Yes
RFI/EMI Protection
- Yes
Shock
- EN 60068-2-27
Span & Zero Effect
- < ± 1.5 % of Full Scale - Thermocouple
Span Effect
- < ± 1.5 % of Full Scale for 1-5 Vdc, 1-6 Vdc & 0.5-4.5 V Ratiometric
- < ± 2 % of Full Scale for 4-20 mA
Stability
- ± 0.25 % of Full Scale Per Year, Typical at 25° C (77° F)
Storage Temperature
- -40° to 100° C (-40° to 212° F)
UNF/UNC Connection
- 7/16”-20 UNF Male
Vibration
- EN 60068-2-6
- EN 60068-2-64
- IEC 68-2-32
Wetted Materials
- 316L Stainless Steel
- 630 Stainless Steel
- Hastelloy C-276
- Inconel 718
Zero Offset
- < ± 1 % of Full Scale