Honeywell STG73S Gauge Pressure Transmitter

1. General Description

The Honeywell STG73S Pressure Transmitter is a high-quality device. It measures gauge pressure accurately in many industrial settings. As part of Honeywell’s SmartLine® family, it combines advanced sensor technology with robust construction and modularity, ensuring easy configuration, control, and maintenance.

This transmitter is a device that changes process pressure into an electrical signal. This signal can be gauge, differential pressure, or absolute pressure. Suitable for monitoring, control, and data collection systems.

The Honeywell STG73S-E1G000-1-A-BHS-11S-B-50A0-00-0000 pressure transmitter provides high accuracy of ±0.065% of the calibrated span. It has a wide operating range from -100 to 350 kPa. This makes it ideal for tough applications that need reliable and precise performance.

2. Honeywell STG73S Technical Specifications

l Model: STG73S

l Measurement Range: 0 to 50 psi (3.5 bar) or -100 to 350 kPa

l Accuracy: ±0.065% of calibrated span

l Turndown Ratio: Up to 100:1

l Operating Temperature Range: -40 to 85 °C (-40 to 185 °F)

l Output Signal: 4 to 20 mA (HART® protocol)

l Power Supply Voltage: 10.8 to 42.4 VDC

3 . Features

High accuracy (±0.065%) with automatic temperature compensation for enhanced stability and performance.

Advanced sensor technology ensures reliable pressure measurement over a wide range of operating conditions.

Modular design allows for field upgrades and simplified maintenance.

Dual-seal certification for safety in hazardous environments.

Built-in diagnostics enable continuous monitoring of device health and performance.

4. Applications

The Honeywell STG73S Pressure Transmitter is suitable for:

 A. Oil and gas industry pressure monitoring and control

 B. Chemical processing plants for process optimization

 C. Water and wastewater treatment facilities

 D. HVAC systems requiring accurate gauge pressure readings

 E. Data acquisition systems requiring precise and repeatable electrical output

5. Installation Procedure (Step by Step)

l Preparation:

Gather necessary tools (screwdrivers, wrenches) and safety equipment.

Review the installation manual specific to the Honeywell STG73S model.

l Mounting:

Securely attach the transmitter using the appropriate mounting bracket.

Ensure correct alignment with the process connection for accurate pressure readings.

l Wiring:

Follow the wiring diagram provided in the manual.

Ensure all electrical connections are properly secured and insulated.

l Configuration:

Power on the transmitter and access the configuration menu.

Set the zero and span values according to your application range (e.g., -100 to 350 kPa).

l Testing:

Perform a loop test to verify proper functionality and output signal accuracy.

Compare readings with known pressure values for validation.

Final Checks:

Inspect all connections, settings, and seals.

Document installation and calibration details for future reference.

6. Summary:

The Honeywell STG73S Gauge Pressure Transmitter offers great accuracy (0.065%). It has a wide range from -100 to 350 kPa. This device is exceptionally reliable for measuring pressure, controlling it, and collecting data. Its advanced sensor technology, robust design, and SmartLine® modularity make it an ideal solution for industrial automation and process monitoring.

7. Honeywell STG73S Related Part Numbers

l STG73S-E1G000

l STG73S-E1AC4AS-G-AHS

For more items you are interested in, please refer to the following:

Honeywell TC841A1000 Regional Control Module

Honeywell STA725 Absolute Pressure Transmitter

Honeywell J-XAP-M-TC500H Commercial Thermostat

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