AST AST46PT Datasheet

TM

Explosion-Proof

AST46PT Pressure / Temperature Transmitter

Constructed with a simple-yet-rugged design, the AST4600 Explosionproof Pressure
Transducer/Transmitter stands up to a variety of applications where price and
performance are critical.

Factory Sealed Gauge Pressure Transducer

Pressures from 100 to 20,000 PSI•
CSA approved for use in hazardous areas including:•

UL1203/FM3615 Class I Zone 1 Group IIC▪
Class I Div 1 Groups A, B, C, D Explosionproof▪
Class II Div 1 Groups E, F, G Dust Ignition-proof▪

Vented Gauge Pressure Transducer

Pressures from 1 to 1,000 PSI Gauge•
CSA approved for use in hazardous areas including:•

Class I Zone 1 Group IIC▪
Class I Div 1 Groups A, B, C, D Explosionproof▪

Applications

Well Optimization



Oil and Gas Pipelines 
Drilling Platforms 
Marine & Offshore 
CNG / Hydrogen Fill Stations 
Paint Booths 
Remote Telemetry Unit 
Cold Climate Drilling & Mining 
Panel Instrumentation 

Environmental Data

Temperature

Operating Ambient -40 to 85°C (-40 to 185°F)

Operating Media -55 to 125°C (-65 to 250°F)

Storage -55 to 105°C (-67 to 221°F)

Thermal Limits

Compensated Range -20 to 70°C (-4 to 158°F)

TC Zero: <±0.5% FS TC Span: <±0.5% 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-65 (vented), IP-66(factory sealed)

Benefits

ANSI/ISA-12.27.01.2003 Certied “Single Seal”



(no secondary seal required)

ABS (American Bureau of Shipping) Approved



ASIC Compensation 
Superb Temperature Performance 
Wide Operating Temperature 
Excellent Accuracy 
High Proof and Burst Pressure 
Available in Exotic Alloys (Consult Factory for 

Inconel 718 or Hastelloy C276)

Performance @ 25°C (77°F)

Accuracy* <±0.1% BFSL

Stability (1 year) ±0.1% FS, typical

Over Range Protection

Burst Pressure 5X or 50,000 PSI (whichever is less)

Pressure Cycles > 100 Million

* Accuracy includes non-linearity, hysteresis & non-repeatability, + For higher proof pressures, contact factory

+

2X Rated Pressure

Electrical Data

Output 4-20mA 0-5V, 1-5V, 1-6V 0-10V, 1-10V 0.5-4.5V Ratiometric

Excitation 10-28VDC 10-28VDC 15-30VDC 5VDC, Regulated

Current Consumption - <10mA <10mA <10mA

Sampling Rate 400Hz 400Hz 400Hz 400Hz

Output Noise <1mV, RMS <1mV, RMS <1mV, RMS <1mV, RMS

Zero Offset <±0.5% FS <±0.5% FS <±0.5% FS <±0.5% FS

Span Tolerance <±0.5% FS <±0.5% FS <±0.5% FS <±0.5% FS

Output Load 0-800 Ohms@10-28VDC 5k Ohms, min. 5k Ohms, min. 5k Ohms, min.

Reverse Polarity Protection Yes Yes Yes Yes

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

TM

Ordering Information

AST46PT A 0500 P 3 1

Series Type

Temperature Output

1= -40 to 85°C (-40 to 185°F)
2= -40 to 125°C (-40 to 257°F)
3= 0 to 70°C (32 to 158°F)
4= -55 to 125°C (-67 to 250°F)
5= -18 to 93°C (0-200°F)

Process Connection*

A= 1/4" NPT Male (up to 10,000 PSI)
I= 1/4" NPT Female (up to 15,000 PSI)
P= 1/2" NPT Male (up to 15,000 PSI)
W= F250C Female Autoclave (10,000 to 20,000 PSI)

* for other ports contact factory, "W" not available in 316L

Pressure Range

G= Gauge Pressure**
V= Gauge Pressure (Vacuum Calibrated)**
0= Sealed Gauge up to 9,999 PSI
1= Sealed Gauge up 10,000 to 19,999 PSI
2= Sealed Gauge 20,000 PSI

** Not suitable for Class II

Insert Pressure Code

Pressure Unit

B= Bar K= kg/cm

Outputs

1= 0.5-4.5V ratiometric
2= 0-5V
3= 1-5V

Electrical

T= 2ft. 18 AWG wires U = 4 f t . 1 8 A W G w i r e s W= 2 Meter 18 AWG wires

1

2

P= PSI

4= 4-20mA
5= 0-10V
6= 1-6V
G= 1-10V

TG

H

000

-Z

Wetted Material

0= 17-4PH 1= 316L 2= Inconel 718

+

Consult factory on availability

Failure State

H= High L= Low N= None

Options

000= No Options

Approval

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

Pressure Ranges Wiring

Pressure Ranges

0-1

0-2.5

++

G 0001

G 0069 0-200 0 0200

0-5 G 0005 0-500 0 0500

++

0-7.5

G 0208 0-1,000 0 1000

0-10 G 0010 0-1,500 0 1500

0-15 G 0015 0-2,500 0 2500

0-25 G 0025 0-3,000 0 3000

0-50 G 0050 0-5,000 0 5000

Pressure PSI

0-100 G 0100 0-7,500 0 7500

0-200 G 0200 0-10,000 1 0000

0-500 G 0500 0-15,000 1 5000

Pressure Code Vented

0-1,000 G 1000 0-20,000 2 0000

++

2.5 and 7.5 PSI units must be ordered in inches of H2O

+

4= Hastelloy C276

0-100

Pressure PSI

+

0 0100

Power Connections Output Connections

Output

Voltage +V Supply -V Supply Pressure Temp.

4-20mA +Pressure -Pressure -Temp. +Temp.

For U.S. installations, sensor case ground (green wire) must be
bonded to ground according to Article 501 & 505 of the NEC.

Pressure Code Factory Sealed

Red Black White Blue

Green Length

Case

Case

4.3"

4.68"

4.8"

5.18"

Ground

Ground

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© 2014 American Sensor Technologies Inc. AST46PT 01/30/2014.

All specications subject to change without notice.