Intrinsically Safe Pressure Sensors / Transducers / Transmitters

AST4400

Intrinsically Safe Pressure Transmitter - AST4400

The AST4400 is a media isolated, stainless steel intrinsically safe pressure transmitter 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 (IS) areas. It utilizes AST's proprietary Krystal Bond™ Technology, a one-piece stainless steel sensing element that offers excellent long-term stability and repeatable results.

The AST4400 pressure transmitter is also available with CSA Single Seal Approval to save customers the added cost of secondary seals required for Canadian installations.

UL Certified mark

CSA Certified mark

ABS Certified Mark

Benefits

- Krystal Bond™ Technology
- UL/cUL913 Class 1 Div 1 Groups C, D Intrinsically Safe when installed with approved barrier
- CSA 157 Class I Div 1 Groups C, D Intrinsically Safe when installed with approved barrier
- CE EN61326
- ABS (American Bureau of Shipping) Approved
- High Strength Stainless Steel Construction
- No Oil, Welds or Internal O-rings
- Pressures to 10,000 PSI
- Unparalleled Price and Performance
- Compatible with Wide Range of Liquids and gases
- EMI/RFI Protection

Applications

- Industrial OEM Equipment
- HVAC/R Equipment
- Water Management
- Intrinsically Safe Control Panels
- Pneumatics
- Hydraulic Systems
- Data Loggers

Similar Products

- AST44LP - Low Pressure Intrinsically Safe Pressure Transmitter
- AST4300 - Non-Incendive Pressure Transmitter

Performance @ 25°C (77°F)

Accuracy¹

<±0.25% BFSL
<±0.5% BFSL for 7500 & 10000 PSI

Stability (1 Year)

±0.25%FS, typ

Overange Protection

2X Rated Pressure

Burst Pressure

5X or 20,000 psi (whichever is less)

Pressure Cycles

>100 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 100°C (-40 to 212°F)

Thermal Limits

Compensated Range

0 to 55°C (30 to 130°F)

Temp. Comp. Zero

<±1.5% of FS

Temp. Comp. 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

Electrical Data

Output

4-20mA

1-5VDC, 1-6VDC

0.5-4.5V Ratiometric

Excitation

10-28VDC

5VDC,reg

Output Impedance

>10k Ohms

<100 Ohms, Nominal

>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

Span Tolerance

<±2% of FS

<±1.5% of FS

Output Load

0-800 Ohms
@10-28VDC

10k Ohms, Min.

10K Ohms, Min.

Reverse Polarity

Yes

Ordering Information

AST4400

00500

000

PSIG Pressure	Pressure Measurement Code	BARG Pressure	Pressure Measurement Code
-14.7 to 25**	V0025**	-1 to 2**	V0002**
0-25	00025	0-2	00002
0-50	00050	0-5	00005
0-100	00100	0-10	00010
0-200	00200	0-20	00020
0-500	00500	0-50	00050
0-1,000	01000	0-100	00100
0-2,500	02500	0-250	00250
0-5,000	05000	0-350	00350
0-7,500	7500	0-500	00500
0-10,000	10000	0-700	00700
Typical pressure measurements. All pressures between 0-25 PSI and 0-10,000 PSI available.
**Compound measurement up to -14.7 to 2500 PSI available. Please consult factory.

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**
I = 1/4" NPT Female
P = 1/2" NPT Male

Pressure Measurement
Insert 5-digit pressure measurement code

Pressure Unit

B= BAR

K= kg/cm2

P= PSI

Outputs

1= 0.5-4.5V ratiometric	6= 1-6V
3= 1-5V
4= 4-20mA (2 wire loop powered)

Electrical

A= 2 ft.(0.6 m)	I= DIN 43650A⁺
B= 4 ft.(1.2 m)	L= Conduit fitting, Cable 2ft⁺
C= 6 ft.(1.8 m)	M= Conduit fitting, Cable 4ft⁺
D= 10 ft.(3.0 m)	N= Conduit fitting, Cable 6ft⁺
E= Mini DIN 43650	P= Conduit fitting, Cable 10ft⁺
F= Packard Metripack 150	R= 6 Pin PT06A-10-6S Bendix	Y= M12 Eurofast

Wetted Material

0= 17-4PH

1= 316L

2= Inconel 718*

4= Hastelloy C276*

Options
000= No Special Options

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

*Consult factory on availability.
** Not available under 50PSI or in 316L
⁺Also approved to UL/cUL 1604 Class I Div 2, Group A, B, C, D without requiring a barrier. Contact AST for mating connector A11028

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Warranty

AST warrants that units 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

pdf icon
Datasheet
w/ Dimensions

pdf icon
CSA Approved
Datasheet
w/ Dimensions

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Accessories

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