Honeywell STG644-A1G-00000-MB-3124 Smart Pressure Transmitter ST3000

The Honeywell STG644-A1G-00000-MB-3124 is a high-performance Smart Pressure Transmitter from the ST 3000 Series. It is designed for absolute pressure measurement in a wide range of industrial process applications, offering high accuracy, stability, and advanced diagnostics via digital communication protocols.
Technical Information:
Manufacturer: Honeywell
Model: STG644-A1G-00000-MB-3124
Series: ST 3000 Smart Transmitter
Transmitter Type: Absolute Pressure Transmitter
Pressure Range: Typically 0–40 psig
Output Signal: 4–20 mA DC with HART® digital communication
Mounting Style: 2-inch pipe or panel mount, manifold compatible
Process Connection: 1/2" NPT or flanged (dependent on model suffix)
Accuracy: ±0.0375% of calibrated span (typical)
Stability: ±0.01% of URL per year for 10 years
Turn Down Ratio: Up to 100:1
Power Supply: 11.9–42.4 VDC
Display: Local digital display (LCD) optional
Electronics Housing: Aluminum or stainless steel (depends on option selected)
Environmental Protection: IP66 / NEMA 4X
Explosion Protection: ATEX, FM, CSA approvals (dependent on configuration)
Ambient Temperature Range: -40°C to +85°C (-40°F to +185°F)
Process Temperature Range: -40°C to +120°C (-40°F to +248°F), higher with remote seals
Protocol Support: HART® 5/6, optional FOUNDATION Fieldbus® or PROFIBUS® (not in this specific model code)
Applications: Refining, chemical, oil & gas, power generation, water treatment, and general process industries