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AST4530 Level Transmitter
Brand: American Sensor Technologies IncThe AST4530 submersible pressure transducer is constructed using PVDF material and a PTFE diaphragm.
Designed to measure liquid level of corrosive liquids, the AST4530 features submersible PVDF cable, cord grip and housing. The AST4530 features a conduit connection for turbulent installations such as on-board ships, turbulent tanks, and rail cars.
Voltage and 4-20mA output signals allow users to interface for low current consumption or long distance transmission applications. The AST4530 is CSA157 certified to Class I Div 1, Groups C and D for use in intrinsically safe areas with an approved barrier, ANSI/ISA 12.27.01 Single Seal Approved and ATEX / IECEx Exia IIB Class I, Zone 0, T4. CAN/CSA C22.2 No 60079-0:11, ANSI/ISA 60079-0:09, CAN/CSA E60079-11:02, ANSI/ISA 60079-11:11, CAN/CSA C22.2N.157-92, UL 913 (6th Edition).
Features- ABS (American Bureau of Shipping) Approved
- Class I Zone 0 Exia IIB T4 Ga (Ta = 0°C to 60°C)
- Excellent Liquid and Gas Compatibility
- Cost Effective Alternative to Ultrasonic and Radar Sensor Technologies
- Works with Reflective Liquids
- Will Not Fail Due to Vapor
- No Galvanic Corrosion or Risk of Bacteria
Specifications
Accuracy
- < ± 0.5 % BFSL at 25° C (77° F) Includes Non-Linearity, Hysteresis & Non-Repeatability
Ambient Temperature Range
- 0° to 60° C (32° to 140° F)
Applications
- Chemical Totes
- Process Plants
- Rail-Car Liquid Level Monitoring
- Salt Water Holding Tanks
- Storage Tanks
Approvals & Certifications
- ATEX/IECEx Exia IIB Class I, Zone 0, T4
- CSA 157 Class I, Div. 1, Groups C, D
- UL 913 (6th Edition)
Bandwidth
- (-3 dB), DC to 1 kHz at 0.5-4.5 V Ratiometric & 1-5 Vdc Output
- (-3 dB), DC to 250 Hz at 4-20 mA Output
Burst Pressure
- 5 times or psi: 1,250 (kPa: 8,618, bar: 86.18) whichever is less at 25° C (77° F)
Cable Length
- 25 feet (7.62 metres)
- 50 feet (15.2 metres)
- 75 feet (22.86 metres)
Cable Material
- PVDF Cable
Compensated Temperature
- 0° to 55° C (32° to 131° F)
Current
- 20 mA, Typical at 4-20 mA, 1-5 Vdc Output - Current Consumption
- 3 mA, Typical at 1-5 mA, 1-5 Vdc Output - Current Consumption
Diaphragm Material
- PTFE
Enclosure, Body Material
- PVDF
Environmental Protection
- IP68
Excitation Voltage
- 10-28 Vdc at 4-20 mA, 1-5 Vdc Output
- 5 Vdc Regulated at 0.5-4.5 V Ratiometric Output
Fill Material
- Glycol - Fill Fluids
- Silicone Oil - Fill Fluids
Humidity
- 0 to 100 % Relative Humidity, Non-Condensing
Media
- Chemicals
- Corrosive
- Liquids & Gases
- Oil
- Vapor
- Water
NPT Connection
- 1/4” NPT Female
Operating Temperature
- 0° to 60° C (32° to 140° F)
Output
- 0.5 - 4.5 V Ratiometric
- 1-5 Vdc
- 4-20 mA
Output Impedence
- 10 Kiloohms at 4-20 mA Output
Output Load
- 0-800 ohms at 10-28 Vdc
- 10 kiloohms, Min. at 0.5-4.5 V Ratiometric & 1-5 Vdc Output
Output Noise
- < 2 mV RMS at 0.5-4.5 V Ratiometric & 1-5 Vdc Output
Pressure Cycles
- > 50 Million at 25° C (77° F)
Pressure Range
- bar: 0 to 2.8
- Inches WC: 72 to 600 - feet of Water Column: 6 to 50 at 4° C (Approximately)
- kPa: 0 to 206
- psig: 0 to 30
Reverse Polarity Protection
- Yes at 0.5-4.5 V Ratiometric, 1-5 Vdc & 4-20 mA Output
RFI/EMI Protection
- Yes
Shock
- 100 G, 11 milliseconds, 1/2 Sine
Span & Zero Adjustments
- < ± 2.0 % of Full Scale
Span Effect
- < ± 1 % of Full Scale at 0.5-4.5 V Ratiometric, 1-5 Vdc & 4-20 mA Output - Span Tolerance
Storage Temperature
- 0° to 80° C (32° to 176° F)
Vibration
- 10 G Peak, 20 to 2,000 Hz
Wetted Materials
- PTFE
- PVDF
- Viton
Zero Offset
- < ± 1 % of Full Scale at 0.5-4.5 V Ratiometric, 1-5 Vdc & 4-20 mA Output