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AST4400

Intrinsically Safe Pressure Transmitter / Transducer - Class 1 Div 1 IS Groups C, D with Approved Barrier Stainless Steel Media Isolated

AST4400 Class 1 Div 1 Intrinsically Safe Pressure Transmitter with Single Seal product photo

The AST4400 is a media isolated stainless steel intrinsically safe pressure transmitter / transducer with a wide variety of options. In addition to 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. The AST4400 is also available with CSA Single Seal Approval.

Datasheet
w/ Dimensions

CSA Approved
Datasheet
w/ Dimensions

Accessories

Benefits

- Krystal Bond Technology ™
- UL/cUL913 Class 1 Div 1 Groups C, D Intrinsically Safe when installed with approved barrier
- CE EN61326
- High Strength Stainless Steel Construction
- No Oil, Welds or Internal O-rings
- Wide Operating Temperature Range
- Ranges up 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

- Industrial OEM Equipment
- HVAC/R Equipment
- Water Management
- Control Panels
- Pneumatics
- Hydraulic Systems
- Hydrogen Storage (316L SS)
- Data Loggers

Click Here For Wiring Information

Warranty

Workmanship - AST, Inc. pressure transmitters have a limited one-year warranty to the original purchaser. AST, Inc. will replace or repair, free of charge, any defective 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.

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

Electrical Data

Output

4-20mA

1-5VDC, 1-6VDC

0-50mV

0.5-4.5V Ratiometric

Excitation

10-28VDC

5VDC,typ

5VDC,reg

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

Zero Offset

<±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

AST4400 intrinsically safe pressure transmitter ordering: pressure port, pressure range, output signal, electrical connection, wetted material, options AST4400 Pressure Range Table: -14.7-25 PSI, 25 PSI, 50 PSI, 100 PSI, 150 PSI, 200 PSI, 250 PSI, 500 PSI, 1000 PSI, 2500 PSI, 5000 PSI,10,000 PSI, -1 to 2 Bar, 2 bar, 5 bar, 7 bar, 10 bar, 20 bar, 35 bar, 50 bar, 70 bar, 100 bar, 250 bar, 350 bar, 500