AST AST44LP Datasheet - Manual

American Sensor Technologies
•
450 Clark Dr., Mt. Olive, NJ 07828
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phone (973) 448-1901
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fax (973) 448-1905
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email: [email protected]
TM
Environmental Data
Temperature
Operating
-40 to 80°C (-40 to 176°F)
Storage -40 to 100°C (-40 to 212°F)
Thermal Limits
Compensated Range 0 to 55°C (32 to 132°F)
TC Zero
<±1.5% of FS
TC Span <±1.5% of FS
Other
Shock
EN 60068-2-27
Vibration EN 60068-2-6, 60068-2-64, and IEC 68-2-32
EMI/RFI Protection: Yes
Rating: IP-66
Electrical Data
Output 4-20mA 1-5VDC 1-6VDC
Excitation 10-28VDC 10-28VDC 10-28VDC
Output Impedance >10k Ohms <100 Ohms, Nominal <100 Ohms, Nominal
Current Consumption: 20mA, typical 5mA, typical 5mA, typical
Bandwidth (-3dB): DC to 250 Hz (-3dB): DC to 1kHz (-3dB): DC to 1kHz
Output Noise: - <2mV RMS <2mV RMS
Zero Offset: <±1% of FS <±1% of FS <±1% of FS
Span Tolerance: <±2% of FS <±1.5% of FS <±1.5% of FS
Output Load: 0-800 Ohms@10-28VDC 10k Ohms, Min. 10k Ohms, Min.
Reverse Polarity Protection Yes Yes Yes
Performance @ 25°C (77°F)
Accuracy* < ±0.25% BFSL (< ±0.5% BFSL for 0-1 PSI)
Stability (1 year) ±0.25% FS, typical
Over Range Protection 2X Rated Pressure
Burst Pressure 5X or 75 PSI (whichever is less)
Pressure Cycles > 100 Million
Applications
Industrial OEM Equipment ƒ
HVAC/R Equipment ƒ
Water Management ƒ
Control Panels ƒ
Pneumatics ƒ
Hydraulic Systems ƒ
Vapor Recovery ƒ
Data Loggers ƒ
External Tank Levels ƒ
Benefits
Class 1 Div 1 Groups C,D when installed ƒ
with an approved barrier
Class I Zone 0 Exia IIB T4 Ga ƒ
(Ta = -40°C to +80°C)
High Strength Stainless Steel Construction ƒ
No Internal O-rings ƒ
Wide Operating Temperature ƒ
Pressures from 0-1 to 0-15 PSI ƒ
Low Static and Thermal Errors ƒ
Unparalleled Price and Performance ƒ
Compatible with Wide Variety of Liquids ƒ
and Gases
The AST44LP is a stainless steel pressure transducer with a wide variety of
options. With its rugged construction and the best price-to-performance ratio
in the industry, the AST44LP is the solution for low pressure measurement in
Intrinsically Safe areas.
* Accuracy includes non-linearity, hysteresis & non-repeatability
AST44LP Low Pressure Transducer / Transmitter
For UL certified barrier drawing, see A01657.
For CSA certified barrier drawing, see A08949.
Intrinsically Safe