AST AST2000H2 Datasheet - Manual

American Sensor Technologies
•
450 Clark Dr., Mt. Olive, NJ 07828
•
phone (973) 448-1901
•
fax (973) 448-1905
•
email: [email protected]
TM
Technology
by AST
TM
Bond
Krystal Overview
The AST2000 series is now available for hydrogen pressure sensing
applications. Tested to a variety of hydrogen and automotive standards,
the AST2000 series combines the best mechanical design for hydrogen
measurement with high performance digital compensation.
Benefits
l
One piece design
l
All 316L wetted material for optimal compatibility
l
No oil-filled cavities leave no chance of containment
l
Non-welded diaphragm eliminates leak paths and weak points
l
Digitally compensated
l
Krystal Bond™ Technology
Applications*
l
PEM Fuel Cells
l
Hydrogen Storage
l
Hydrogen Filling Stations
l
Test Stands
l
Back Up Power
* Lean more about Hydrogen pressure measurement (Hydrogen Applications)
Approvals
l
EC79 (applicable to table below)
l
CE EN61326 (all models)
AST2000
Hydrogen Pressure Sensor
316L Stainless Steel, Media Isolated Pressure Sensor for Hydrogen Applications
Electrical Data
Output 0.5-4.5V ratiometric**
Excitation 5VDC regulated
Output Impedance <100 Ohms, Nominal
Current Consumption: <10mA
Bandwidth -(3dB): DC to 3kHz
Output Noise: <2mV RMS
Zero Offset +/-0.5% of FS
Span Tolerance +/-0.5% of FS
Output Load: 10K Ohms, Min.
Reverse Polarity Protection Yes
Environmental Data
Temperature
Operating
-40 to 85°C (-40 to 185°F)
Storage -40 to 125°C (-40 to 250°F)
Thermal Limits
Compensated Range
-10 to 60°C (14 to 140°F)
Thermal Error +/- 2% of FS
Other
Shock
100G, 11 msec, 1/2 sine
Vibration 20G peak, 20 to 2400 Hz.
EMI/RFI Protection: Yes
Rating: IPX6K
Performance @ 25°C (77°F)
Accuracy* < ±0.5% BFSL
Stability (1 year) ±0.25% FS, typical
Over range Protection 2X Rated Pressure
Pressure Cycles > 100 Million
* Accuracy includes non-linearity, hysteresis & non-repeatability
TUV
Approval
Files
Pressure
Range
Burst
Pressure
07-01820/1-TUV 20 Bar (2MPa) 600 Bar
EC79 20 Bar (2MPa) 600 Bar
EC79 350 Bar (35MPa) 2800 Bar
EC79 700 Bar (70MPa) 2800 Bar
**4-20mA and 1-5V outputs available, contact factory