Manual
TM
American Sensor Technologies • 450 Clark Dr., Mt. Olive, NJ 07828 • phone (973) 448-1901 • fax (973) 448-1905 • email: info@astsensors.com
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)
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 
Benefits   
ANSI/ISA-12.27.01.2003 Certied “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)
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▪
 Explosion-Proof 
AST46HA         High Accuracy 0.1% Pressure Transducer          
Performance @ 25°C (77°F) 
Accuracy* <±0.1% BFSL
Stability (1 year) ±0.1% FS, typical
Over Range Protection
+
2X Rated Pressure
Burst Pressure 5X Rated Pressure
Pressure Cycles > 100 Million
* Accuracy includes non-linearity, hysteresis & non-repeatability, 
+
 For higher proof pressures, contact factory
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



