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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. 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.

Note: ABS approval with CSA approved version.
See CSA PDF for product selection.

UL Certified mark

CSA Certified mark

ABS Certified Mark

Benefits

- UL/cUL 913 (CSA 157) Class 1 Div 1 Groups C,D when installed with an approved barrier
- ABS (American Bureau of Shipping) Approved
(CSA version)
- High Strength Stainless Steel Construction
- No Welds or Internal O-rings
- Wide Operating Temperature Range
- Ranges from 0-1 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

Click Here For Wiring Information

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

<±1.5% of FS (<±2.5%, typ. for 1PSI)

Temp. Comp. Span

<±1.5% of FS(<±2.5%, typ. for 1PSI)

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

1-5VDC, 1-6VDC

Excitation

5VDC, typ

10-28VDC

Output Impedance

5K Ohms, Nominal

>10k Ohms

<100 Ohms, Nominal

Current Consumption

<5mA

20mA, typ.

5mA, typical

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
<±4%(1PSI)

<±1% of FS
<±4%(1PSI)

Span Tolerance

<±2% of FS
<±4%(1PSI)

<±1.5% of FS
<±4%(1PSI)

Output Load

>1M Ohm

0-800 Ohms
@10-28VDC

10k Ohms, Min.

Reverse Polarity

N/A

Yes

Ordering Information

AST44LP

00005

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
I= 1/4" NPT Female

Pressure Range
Insert 5-digit pressure range code

Pressure Unit

H= Inches H2O

P= PSI

Outputs
3= 1-5V
4= 4-20mA (2 wire loop powered)
6= 1-6V
A= 10mV/V

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

Single Seal (add SS if you require CSA Single Seal & ABS Approval)

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

Accessories