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AST44LP

Low Pressure Intrinsically Safe Pressure Transmitter / Transducer - Class 1 Div 1 Groups C, D IS when installed with an approved barrier

AST44LP Class 1 Div 1 Intrinsically Safe Low Pressure Transmitter with Single Seal product photo

The AST44LP is a low pressure Class I Division 1 intrinsically safe pressure transmitter / pressure transducer Groups C, D when installed with an approved barrier. In addition to its rugged construction and the best price-to-performance ratio in the industry, the AST44LP is the solution for low pressure measurement for a variety of applications. The AST44LP iss also now available with CSA Single Seal Approval.

Benefits

- UL/cUL 913 (CSA 157) Class 1 Div 1 Groups C,D when installed with an approved barrier
- High Strength Stainless Steel Construction
- No Welds or Internal O-rings
- Wide Operating Temperature Range
- Ranges from 0-2.5 to 0-15 PSI
- Low Static and Thermal Errors
- Unparalleled Price and Performance
- Compatible with Wide Range of Liquids and Gases
- EMI/RFI Protection

Applications

- Industrial OEM Equipment
- HVAC/R Equipment

- Water Management

- Control Panels
- Pneumatics
- Hydraulic Systems

- Vapor Recovery
- Data Loggers
- External Tank Levels

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Performance @ 25°C (77°F)

Accuracy1
<±0.25% BFSL
(<±0.5% BFSL for 0-1 PSI)
Stability (1 Year)
± 0.25%FS, typ
Overange Protection
2X Rated Pressure
Burst Pressure
5X Rated Pressure
Pressure Cycles
>10 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 250°F)
Thermal Limits
Compensated Range
0 to 70°C (30 to 160°F)
Temp. Comp. Zero
<± 1.0% of FS
Temp. Comp. Span
<± 1.5% of FS
Other
Shock
100G, 11 msec, 1/2 sine
Vibration
20G peak, 20 to 2400 Hz.
EMI/RFI Protection
Yes
Rating
IP-66

 

Electrical Data

Output
10mV/V
4-20mA
Voltage 3,4 Wire
Excitation
5VDC, typ
10-28VDC
10-28VDC
Output Impedance
5K Ohms, Nominal
>10k Ohms
<100 Ohms, Nominal
Current Consumption
<5mA
20mA, typ.
<10mA
Bandwidth
(-3db): DC to 1kHz
(-3dB): DC to 250 Hz
(-3dB): DC to 1kHz
Output Noise
N/A
-
<2mV RMS
Zero Offset
<± 2% of FS
<± 1% of FS
<± 1% of FS
Span Tolerance
<± 2% of FS
<± 2% of FS
<± 1.5% of FS
Output Load
>1M Ohm
0-800 Ohms
@10-28VDC
10k Ohms, Min.
Reverse Polarity
N/A
Yes
Yes

Ordering Information

AST44LP
A
00005
P
4
E
1
000
Gage PSIG Pressure Range Code
0-1 00001
0-2.5 00069**
0-5 00005
0-7.5 00208**
0-10 00010
0-15 00015
**2.5 and 7.5 PSI Sensor must be ordered in inches of H2O.
Series Type              
Process Connection
A= 1/4" NPT Male
F= 7/16"-20 UNF Male
I= 1/4" NPT Female
           
Pressure Range
Insert 5-digit pressure range code
         
Pressure Unit
H= Inches H2O P= PSI
       
Outputs
1= 0.5-4.5V ratiometric* 6= 1-6V
3= 1-5V A= 10mV/V
4= 4-20mA (2 wire loop powered)
*Consult factory on availability.
     
Electrical
A= 2 ft. (0.6 m) I= DIN 43650A
B= 4 ft. (1.2 m) L= Conduit fitting, Cable 2 ft.(0.6m)
C= 6 ft. (1.8 m) M= Conduit fitting, Cable 4 ft.(1.2m)
D= 10 ft. (3.0 m) N= Conduit fitting, Cable 6 ft.(1.8m)
E= Mini DIN 43650 P= Conduit fitting, Cable 10 ft.(3.0m)
F= Packard Metripack
150 3-Pin Conn.
R= 6 Pin Bendix
   
Wetted Material
1= 316L
 
Options
000= No Special Options

Quick Contact

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*AST has over 1,000 pressure sensors it can ship from stock for orders received by noon, EST. Submit your configuration and AST can offer the best solution available.

Warranty

Workmanship - AST44LP low pressure transmitters have a limited one-year warranty to the original purchaser. AST, Inc. will replace or repair, free of charge, any defective pressure transmitter. This warranty does not apply to any units that have been modified; misused, neglected or installed where the application exceeds published ratings. AST44LP 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


Datasheet
w/ Dimensions


CSA Approved
Datasheet
w/ Dimensions


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