Submersible Level Sensor Instrinsically Safe - Class I Division 1 IS Groups C, D with Approved Barrier, Stainless Steel, Media Isolated

The AST4500 and AST4510 submersible pressure sensors are approved to UL/cUL913 (CSA 157) Class I Div 1, Groups C and D for use in intrinsically safe areas with an approved barrier. For pressure ranges from 0-2.5 to 0-100 PSI that require a wide range of media compatibility, the submersible series is an excellent solution to level monitoring for indoor and outdoor applications.
![]()
CSA Approved
Datasheet
w/ Dimensions

- High Strength Stainless Steel Construction
- No Internal O-rings
- Wide Operating Temperature Range
- Ranges up to 100 PSI
- Low Static and Thermal Errors
- Unparalleled Price and Performance
- Rugged Design Survives Harsh Environments
- Compatible with Wide Range of Liquids
- EMI/RFI Protection
- UL/cUL913 Class 1 Div 1 IS Groups C, D when installed with an approved barrier
- CE EN61326
- Liquid Level Tanks
- Ground Water Level Depth Measurement
- Earthen & Concrete Dams
- Gasoline & Diesel Fuel Tanks
- Irrigation
- Waste Water Canals
Click Here For Wiring Information
Workmanship - AST, Inc. pressure transmitters have a limited one-year warranty to the original purchaser. AST, Inc. will replace or repair, free of charge, any defective transmitter. All units returned for warranty evaluation must be thoroughly cleaned and free of process residue prior to shipment. Units that are not properly cleaned will be discarded and warranty service will be denied. This warranty does not apply to any units that have been modified; misused, neglected or installed where the application exceeds published ratings. AST4510 is not recommended for use with hydrogen. AST’s sensors are made with pride in New Jersey, USA. If in the area please feel free to stop by for a visit!
Installation/Applications - The purchaser is responsible for media compatibility, functional adequacy, and correct installation of the transmitter.
1 Accuracy includes: Non-linearity, Hysteresis and Non-repeatability
AST hopes this translation service will help you in selecting a product. We apologize for any errors in translation.