Products

The AST2000 series is now available for hydrogen pressure sensing applications. Tested to a variety of hydrogen and automotive standards including TUV and EIHP, the AST2000H2 pressure sensor series combines the best mechanical design for hydrogen measurement with high performance digital compensation.

CE
Design Benefits
– Krystal Bond™ Technology
– One piece design
– All 316L wetted material for optimal compatibility
– No Oil-filled cavities leave no chance of containment
– Non-welded diaphragm eliminates leak paths and weak points
– Digitally compensated
– EC79 approved
– CE EN61326 Approved

Applications / Industries
PEM Fuel Cells
– Hydrogen Storage
– Hydrogen Filling Stations
– Back Up Power
– Test Stands

Performance @ 25°C (77°F)

Accuracy1<±0.5% BFSL
Stability (1 Year)±0.25% FS, typical
Proof Pressure2X Rated Pressure
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-40 to 125°C (-40 to 257°F)
Thermal Limits
Compensated Range-10 to 70°C (14 to 158°F)
Thermal Error±2% of FS (±1% OF FS Optional)
Other
Shock100G, 11 msec, 1/2 sine
Vibration20G peak, 20 to 2400 Hz.
EMI/RFI ProtectionYes
RatingIPX6K

Electrical Data

Output Signal0.5-4.5V ratiometric 4-20mA and 1-5V outputs available, contact factory
Excitation5VDC 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 Load10K Ohms, Min.
Reverse PolarityYes