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AST4300

Non-Incendive Pressure Transmitter - Class 1 Div 2

AST4300 Class 1 Div 2 Non-incedive Pressure Transmitter with Single Seal product photo

The AST4300 is a media isolated stainless steel Class I Division 2 Non-Incendive pressure transmitter for use in hazardous areas. In addition to its rugged construction and industry-leading price-to-performance ratio, the AST4300 pressure transmitter is the solution for pressure measurement for a variety of applications.

AST can package the AST4300 series for indoor or outdoor use. 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 AST4300 pressure transmitter is also available with CSA Single Seal Approval to save customers the added cost of secondary seals required for Canadian installations.

Benefits

- Krystal Bond™ Technology
- UL/cUL 1604 Class 1 Division 2 Non-Incendive Groups A, B, C, D
- CSA 213 Class 1 Div 2 Non-Incendive Groups A, B, C, D with Single Seal
- CE EN61326
- High Strength Stainless Steel Construction with all 316L
- No Oil, Welds or Internal O-rings
- Wide Operating Temperature Range
- Ranges from Vacuum to 10,000 PSI
- Low Static and Thermal Errors
- Unparalleled Price and Performance
- Compatible with Wide Range of Liquids and Gases
- EMI/RFI Protection

Applications

- Refrigeration Pressure
- Water Management
- Off-Shore Platform ESD Compressor Systems
- Pressure Instrumentation
- Process Control
- Gas Compression & Storage
- Natural Gas Engine Pressure
- Oilfield SCADA Pressure Equipment
- Test Stands including Rocket Fuel Pressure
- Oxygen Pressure Measurement (316L SS)
- Hydrogen Fuel (316L)


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Performance @ 25°C (77°F)

Accuracy1
<±0.25% BFSL
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
100G, 11 msec, 1/2 sine
Vibration
10G peak, 20 to 2000 Hz.
EMI/RFI Protection
Yes
Rating
IP-66 (IP-67 optional)

 

Electrical Data

Output
4-20mA
1-5VDC, 1-6VDC
0-50mV
0.5-4.5V Ratiometric
Excitation
10-28VDC
10-28VDC
5VDC typical
5VDC Regulated
Output Impedance
>10k Ohms
<100 Ohms, Nominal
1100 Ohms, Nominal
<100 Ohms, Nominal
Current Consumption
20mA, typ.
<10mA
<5mA
<10mA
Bandwidth
(-3dB): DC to 250 Hz
(-3dB): DC to 1kHz
(-3dB): DC to 5kHz, min
(-3dB): DC to 1kHz
Output Noise
-
<2mV RMS
-
<2mV RMS
Zero Offset
<±1% of FS
<±1% of FS
<±2% of FS
<±1% of FS
Span Tolerance
<±2% of FS
<±1.5% of FS
<±2% of FS
<±1.5% of FS
Output Load
0-800 Ohms
@10-28VDC
10k Ohms, Min.
>1M Ohms
10K Ohms, Min.
Reverse Polarity
Yes
Yes
-
No

Ordering Information

AST4300
A
00500
P
4
L
1
000
SS
PSIG Measurement Range Pressure Range Code BARG Measurement Range Pressure Range 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
0-250 00250 0-50 00050
0-300 00300 0-100 00100
0-500 00500 0-250 00250
0-1,000 01000 0-350 00350
0-1,500 01500 0-500 00500
0-2,500 02500 0-700 00700
0-3,000 03000    
0-5,000 05000    
0-7,500 7500    
0-10,000 10000    
Typical ranges. All ranges between 0-25 PSI and 0-10,000 PSI available.
**Compound ranges 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
I= 1/4" NPT Female
P=1/2" NPT Male
             
Pressure Range
Insert 5-digit pressure range code
           
Pressure Unit
B= BAR K= kg/cm2 P= PSI
         
Outputs
1= 0.5-4.5V ratiometric 6= 1-6V
3= 1-5V A= 10mV/V
4= 4-20mA (2 wire loop powered)
       
Electrical
I= DIN 43650A
L= Conduit fitting, Cable 2 ft. (0.6m)
M= Conduit fitting, Cable 4 ft. (1.2m)
N= Conduit fitting, Cable 6 ft. (1.8m)
P= Conduit fitting, Cable 10 ft. (3.0m)
     
Wetted Material
0= 17-4PH 1= 316L 2= Inconel 718*
*Consult factory on availability.
   
Options
000= No Special Options
   
Single Seal

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*AST has over 1,000 pressure sensors it can ship from stock for orders received by noon, EST. Submit your configuration and AST can offer the best solution available.

Warranty

Workmanship - AST4300 non-incendive pressure transmitters have a limited one-year warranty to the original purchaser. AST 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. 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


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