AST AST43LP Datasheet

TM

Non-Incendive

AST43LP Low Pressure Transducer / Transmitter

The AST43LP is a low pressure Class I Division 2 stainless steel pressure
transmitter for use in hazardous areas. In addition to its rugged construction and
the best price-to-performance ratio in the industry, the AST43LP is the solution for
low pressure measurement for a variety of applications.

Environmental Data

Temperature

Operating -40 to 85°C (-40 to 185°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

Benefits

Class I Div 2 Groups A, B, C, D 

High Strength Stainless Steel Construction 

No Welds or Internal O-rings 

Wide Operating Temperature 

Pressures from 0-1 to 0-15 PSI 

Low Static and Thermal Errors 

Unparalleled Price and Performance 

Compatible with Wide Variety of Liquids 

and Gases

EMI/RFI Protection 

Applications

Flare Gas 

Water Management 

Industrial OEM Equipment 

Oil & Gas Platforms 

Pressure Instrumentation 

Process Control 

Gas Compression & Storage 

Test Stands 

Oxygen Delivery Systems 

External Tank Level 

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

* Accuracy includes non-linearity, hysteresis & non-repeatability

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

American Sensor Technologies • 450 Clark Dr., Mt. Olive, NJ 07828 • phone [phone] • fax [phone] • email: [e-mail]

Yes Yes Yes

TM

Ordering Information

AST43LP A 00005 P 4 1

Series Type

Process Connection

A= 1/4” NPT Male
C= 1/4” BSPP Male
I= 1/4” NPT Female

Pressure Measurement

Insert 5-digit pressure code

Pressure Unit

H= Inches H2O

Outputs

3= 1-5V
4= 4-20mA (2 wire loop powered)
6= 1-6V

Electrical

I= DIN 43650A

L= Conduit tting, Cable 2 ft. (0.6 m)
M= Conduit tting, Cable 4 ft. (1.2 m)

Wetted Material

1= 316L 4= Hastelloy (consult factory on availability)

P= 1/2” MNPT
T= G1/2 Male with Flush
Diaphragm (see options)

P= PSI

N= Conduit tting, Cable 6 ft. (1.8 m)
P = C o n d u i t  t t i n g , C a b l e 1 0 f t . ( 3 . 0 m )

4 = Mini-Fast (CSA Only)

L -SS

000

Options

000= No Options

Approval

(Left Blank)= UL ANSI/ISA 12.12.01 Class I Div 2 Non-Incendive Groups A, B, C, D (formerly UL1604)

-SS= Add “-SS” for CSA213 Class I Div 2 Non-Incendive Groups A, B, C, D and ANSI/ISA 12.27.01 Single Seal Approval

Note: CSA approved products require case/earth ground electrical connection.
See wiring installation sheet for further details

Pressure Ranges

0-1

+

0-2.5

0-5 00005

+

0-7.5

00001

00069

00208

Pressure Code

PSIG Measurement

+

2.5 and 7.5 PSI Sensor must be ordered in inches of H2O.

0-10 00010

0-15 00015

www.astsensors.com

© 2013 American Sensor Technologies Inc. AST43LP 12/18/2013.

All specications subject to change without notice.