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. In addition, AST44LP can be configured with approvals such as ATEX/IECEx Exia and SIL2 ratings.

With its rugged construction and the best price-to-performance ratio in the industry, the AST44LP is the solution for low pressure measurement of liquids and gases for a variety of applications. Order analog voltage for designs requiring low current consumption or fast response time or 4-20mA output signals for long distance transmissions.

The diaphragm is available with 316L stainless steel as the standard sensor material and can be designed using Hastelloy C276 for more corrosive liquids or gases.

UL

CSA

CE

American Bureau of Shipping Type Approval

ATEX

IECEx Certified

Design Benefits

- Class I Division 1 Groups C,D when installed with an approved barrier
- ATEX / IECEx: Class I Zone 0 Exia IIB T4 Ga (Ta = -40C to +80C)
- ABS (American Bureau of Shipping) Approved

- High Strength Stainless Steel or Hastelloy C276 Construction
- From 0-1 to 0-15 PSI
- Starting under $250 with quantity discounts
- Wide Variety of Liquids and Gases

Applications / Industries

Industrial OEM equipment
- Compressor control panels
- Pneumatic systems
- Vapor recovery units - VRU (bi-directional pressure available)
- Externally Mounted Tank Level Measurement for liquids and chemicals

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
0.5-4.5V ratiometric
Excitation
10-28VDC
10-28VDC
5VDC Regulated
Output Impedance
>10k Ohms
<100 Ohms, Nominal
<100 Ohms, Nominal
Current Consumption
20mA, typ.
5mA, typical
<10mA
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
<±4%(1PSI)
<±1% of FS
<±4%(1PSI)
<±1% of FS
<±4%(1PSI)
Span Tolerance
<±2% of FS
<±4%(1PSI)
<±1.5% of FS
<±4%(1PSI)
<±1.5% of FS
<±4%(1PSI)
Output Load
0-800 Ohms
@10-28VDC
10k Ohms, Min..
10k Ohms, Min
Reverse Polarity
N/A
Yes
Yes

pdf icon
Datasheet

pdf icon
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
1 = 0.5-4.5V ratiometric (5VDC input)
3 = 1-5V
4 = 4-20mA
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.

Contact AST

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*AST has over 2,000 pressure sensors and transducers it can ship from stock for orders received by noon, EST. Submit your configuration and AST can offer the best solution available or browse our sensors in stock online.

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 Applications Contact
AST4000
AST4300
AST4400
AST44LP
AST4510
AST4520
AST4530
AST4600
AST46DS
AST5100
AST5300
AST5400
Explosion-Proof Transmitters
HVAC/R Pressure Sensors
Hydraulic Pressure Sensors
Hydrogen Pressure Sensors
Liquid Level Sensors
Tank Level Sensors
Water Pressure Sensors
450 Clark Drive
Mount Olive, NJ 07828 USA
(973) 448-1901
info@astsensors.com
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US Manufacturer of Pressure Sensors / Transducers / Transmitters • ISO 9001:2008