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AST20HA

Pressure Sensor - Industrial ASIC - Stainless Steel Media Isolated

AST20HA 0.1% Pressure Transducer product photo

The AST20HA is a digitally compensated 0.1% pressure transducer / pressure transmitter that offers high performance over temperature. Krystal Bond Technology alone offers excellent non-linearity and non-repeatability performance. When it is combined with the ASIC, the AST20HA steps into its own league of high performance pressure sensing at an affordable price.


Datasheet
w/ Dimensions


Accessories

Benefits

- Krystal Bond Technology ™
- ASIC Compensation
- Temperature Performance
- Real Time thermal compensation
- Real Time linearity correction
- Turndown capability

Applications

- Aerospace Hydraulic and Pneumatic Pressure Systems
- Analytical Instruments
- Hydraulic Pressure Equipment
- Hydrogen Pressure*
- Laboratory / Metrology Equipment
- Medical
- Military Vehicles
- Test Stands

*Consult Factory for media compatibility

Click Here For Wiring Information

Warranty

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. This warranty does not apply to any units that have been modified; misused, neglected or installed where the application exceeds published ratings. 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.

Performance @ 25°C (77°F)

Accuracy1
< ± 0.1% BFSL
Stability (1 Year)
± 0.1% FS, typical
Proof Pressure
2X Rated Pressure, standard (For higher proof pressures, contact factory)
Burst Pressure
5X or 20,000 PSI, whichever is less
Pressure Cycles
> 100 Million

1 Accuracy includes: Non-linearity, Hysteresis and Non-repeatability

Environmental Data

Temperature
Operating
-40 to 85°C (-40 to 185°F)
Storage
-50 to 125°C (-58 to 250°F)
Thermal Limits
Compensated Range
0-70°C (30 to 158°F)
Temp. Comp. Zero
< ± 0.5% FS
Temp. Comp. Span
< ± 0.5% FS
Other
Shock
100G, 10msec, 1/2 sine
Vibration
10G peak, 20 to 2000Hz
EMI/RFI Protection
Yes
Rating
IP-66

 

Electrical Data

Output
4-20mA
1-5V
1-6V, 1-10V
0.5-4.5V Ratiometric
Excitation
10-28 VDC
10-28 VDC
15-30 VDC
5VDC, Regulated
Current Consumption
-
< 10mA
< 10mA
< 10mA
Bandwidth
400Hz
400Hz
400Hz
400Hz
Output Noise
< 1mV, RMS
< 1mV, RMS
< 1mV, RMS
< 1mV, RMS
Zero Offset
< ± 0.5% FS
< ± 0.5% FS
< ± 0.5% FS
< ± 0.5% FS
Span Tolerance
< ± 0.5% FS
< ± 0.5% FS
< ± 0.5% FS
< ± 0.5% FS
Output Load
0-800 Ohms@10-28 VDC
5k Ohms, min.
5k Ohms, min.
5k Ohms, min.
Reverse Polarity
Yes
Yes
Yes
Yes

AST20HA 0.1% Pressure Transducer ordering: pressure port, pressure range, output signal, electrical connection, wetted material, options AST20HA Pressure Range Table: -14.7-25 PSI, 25 PSI, 50 PSI, 100 PSI, 150 PSI, 200 PSI, 250 PSI, 500 PSI, 1000 PSI, 2500 PSI, 5000 PSI,10,000 PSI, -1 to 2 Bar, 2 bar, 5 bar, 7 bar, 10 bar, 20 bar, 35 bar, 50 bar, 70 bar, 100 bar, 250 bar, 350 bar, 500

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