Intrinsically Safe Low Pressure Transmitter

AST44LP

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. With 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.

UL

CE

CSA

ATEX

ABS Certified

Design Benefits

- Class 1 Div 1 Groups C,D when installed with an approved barrier
- Class I Zone 0 Exia IIB T4 Ga (Ta = -40C to +80C)
- ABS (American Bureau of Shipping) Approved
- High Strength Stainless Steel Construction
- From 0-1 to 0-15 PSI
- Low Static and Thermal Errors
- Unparalleled Price and Performance
- Wide Variety of Liquids and Gases
- EMI/RFI Protection
- Excellent Low Cost Option for External Tank Level Monitoring

Applications / Industries

- Industrial OEM Equipment
- HVAC/R Equipment

- Water Management

- Control Panels
- Pneumatics
- Hydraulic Systems

- Vapor Recovery
- Data Loggers
- External Tank Levels

Similar Products


- AST4400 - Intrinsically Safe Pressure Transmitter
- AST43LP - Low Pressure Non-Incendive Pressure Transmitter
- AST4600 - Explosion Proof Pressure Transducer
- CSA Instrinsically Safe Operating Instructions

Quick Contact

Performance @ 25°C (77°F)

Accuracy1
<±0.25% BFSL
(<±0.5% BFSL for 0-1 PSI)
Stability (1 Year)
± 0.25%FS, typ
Proof Pressure
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 80°C (-40 to 176°F)
Storage
-40 to 125°C (-40 to 257°F)
Thermal Limits
Compensated Range
0 to 70°C (32 to 158°F)
TC Zero
<±1.5% of FS (<±2.5%, typ. for 1PSI)
TC Span
<±1.5% of FS(<±2.5%, typ. for 1PSI)
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 Signal
4-20mA
1-5VDC, 1-6VDC
Excitation
10-28VDC
10-28VDC
Output Impedance
>10k Ohms
<100 Ohms, Nominal
Current Consumption
20mA, typ.
5mA, typical
Bandwidth
(-3dB): DC to 250 Hz
(-3dB): DC to 1kHz
Output Noise
-
<2mV RMS
Zero Offset
<±1% of FS
<±4%(1PSI)
<±1% of FS
<±4%(1PSI)
Span Tolerance
<±2% of FS
<±4%(1PSI)
<±1.5% of FS
<±4%(1PSI)
Output Load
0-800 Ohms
@10-28VDC
10k Ohms, Min.
Reverse Polarity
N/A
Yes
Yes

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Datasheet

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Accessories

AST44LP Pressure Transducer Ordering Information

AST44LP
A
00005
P
4
E
1
000
SS
Gauge PSIG Pressure Measurement 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
C= 1/4" BSPP Male
I= 1/4" NPT Female
P= 1/2" NPT Male
T = G1/2 Male with Flush Diaphragm (see option codes)
            
Pressure Measurement
Insert 5-digit pressure measurement code
          
Pressure Unit
H= Inches H2O P= PSI
        
Outputs
3= 1-5V
4= 4-20mA (2 wire loop powered)
6= 1-6V
      
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
  Y= M12x1
  4= Mini-Fast (CSA Only)
    
Wetted Material
1= 316L
  
Options
000= No Special Options
421= Bi-Directional Output*
413= G1/2 Male with Flush Diaphragm (only available with process connection "T")
 
Approval
-SS= Add -SS for CSA157 Class I Div 1 Groups C, D Intrinsically Safe and ANSI/ISA 12.27.01 Single Seal Approval and SIRA ATEX Exia IIB Class I, Zone 0, T4
*Consult Factory on standard ranges and availability.

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Warranty

AST warrants that pressure transmitters shipped will be free from defects in material and workmanship for a period of one (1) year from date of shipment.
For complete warranty information visit: http://www.astsensors.com/warranty.php

Pressure Transducers Pressure Sensor Applications Contact AST
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AST4530
AST4600
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Explosion-Proof Transmitters
HVAC Pressure Sensors
Hydraulic Pressure Sensors
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Tank Level Sensors
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