AST AST4400 Datasheet

TM

Intrinsically Safe

AST4400 Pressure Transducer / Transmitter

The AST4400 is a stainless steel pressure transducer with a wide variety of
options. With its rugged construction and best price-to-performance ratio in the
industry, the AST4400 is the solution for pressure measurement in Intrinsically
Safe areas.

Environmental Data

Temperature

Operating -40 to 80°C (-40 to 176°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 1 Intrinsically Safe Groups C, D 

when installed with an approved barrier

Class I Zone 0 Exia IIB T4 Ga 

(Ta = -40°C to +80°C)

High Strength Stainless Steel Construction 

No Oil, Welds or Internal O-rings 

Wide Operating Temperature 

Pressures up to 20,000 PSI 

Applications

Industrial OEM Equipment 

HVAC/R Equipment 

Water Management 

Control Panels 

Pneumatics 

Hydraulic Systems 

Data Loggers 

Low Static and Thermal Errors 

Unparalleled Price and Performance 

Compatible with Wide Variety of Liquids 

and Gases

For UL certied barrier drawing, see A01657.

For CSA certied barrier drawing, see A08949.

Performance @ 25°C (77°F)

Accuracy* < ±0.25% BFSL (<±0.5% from 7,500 up to 20,000 PSI)

Stability (1 year) ±0.25% FS, typical

Over Range Protection 2X Rated Pressure

Burst Pressure 5X or 40,000 PSI (whichever is less)

Pressure Cycles > 100 Million

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

Electrical Data

Output

Excitation 10-28VDC 10-28VDC 5VDC, regulated

Output Impedance >10k Ohms <100 Ohms, Nominal <100 Ohms, Nominal

Current Consumption: 20mA, typical 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 <±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]

4-20mA 1-5VDC, 1-6VDC 0.5-4.5V Ratiometric

Yes Yes Yes

TM

Ordering Information

AST4400 A 00500 P 4 1

Series Type

Process Connection

A= 1/4” NPT Male
B= 1/8” NPT Male*
C= 1/4” BSPP Male
F= 7/16”-20 UNF Male*

*Not available under 50PSI (not available in 316L) **Pressures up to 15,000 PSI
***Pressures from 10,000 to 20,000 PSI, not available in 316L

Pressure Measurement

Insert 5-digit pressure code

Pressure Unit

B= Bar K= kg/cm

Outputs

1= 0.5-4.5V ratiometric
3= 1-5V

Electrical

A= 2 ft. (0.6m)
B= 4 ft. (1.2m)
C= 6 ft. (1.8m)
D= 10 ft. (3.0m)

+

Also approved to UL/cUL 1604 Class 1 Div 1, Group A, B, C, D without requiring a barrier

I= 1/4” NPT Female**
P= 1/2” MNPT**
W= F250C Female Autoclave***

2

P= PSI

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

E= Mini DIN 43650C
F= Packard Metripack 150 3-Pin
I= DIN 43650A
L= Conduit, Cable 2 ft. (0.6 m)

M= Conduit, Cable 4 ft. (1.2 m)
N= Conduit, Cable 6 ft. (1.8 m)

+

P= Conduit, Cable 10 ft. (3 m)
Y= M12x1
4 = M i n i - F a s t ( C S A O n l y )

L -SS

+

+

+

000

Wetted Material

0= 17-4PH 2= Inconel 718 (consult factory on availability)
1= 316L 4= Hastelloy C276 (consult factory on availability)

Options

000= No Options

Approval

(Left Blank)= UL ANSI/ISA 12.12.01 Class I Div 1 Intrinsically Safe Groups C, D (formerly UL913)

-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

-Z= Add “-Z” for CRN Registered to ANSI/ASME B31.3. Contact factory for material, pressure, and process connection options (includes -SS approvals)

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

+

-1 to 2**

V0002**

Pressure Code

BARG Measurement

0-700 00700

Typical ranges. All ranges between 0-25 PSI and 0-20,000 PSI available.

-14.7 to 25**

0-25 00025 0-2 00002

0-50 00050 0-5 00005

0-100 00100 0-7 00007

0-150 00150 0-10 00010

0-200 00200 0-20 00020

0-250 00250 0-35 00035

0-500 00500 0-50 00050

0-1,000 01000 0-100 00100

0-2,500 02500 0-250 00250

PSIG Measurement

CSA ONLY

0-5,000 05000 0-350 00350

0-7,500 07500 0-500 00500

0-10,000 10000

0-15,000

0-20,000 20000

Pressure Code

CSA ONLY

Pressure Ranges

V0025**

15000

+

**Compound ranges up to -14.7 to 500 PSI available. Please consult factory.

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© 2014 American Sensor Technologies Inc. AST4400 06/18/2014.

All specications subject to change without notice.