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STG34 Union Pressure Transmitter

The STG34 union-type pressure transmitter is a high-performance sensing device combining advanced international technology with local manufacturing expertise, specifically designed for oil drilling and high-pressure applications. It utilizes a high-precision imported strain gauge with high resistance and a specialized diaphragm structure, offering a measuring range up to 150 MPa. The transmitter features excellent resistance to shock, vibration, and corrosion, ensuring reliable operation in harsh environments. Its all-stainless-steel housing with anti-clogging design guarantees long-term stability and durability. The device supports multiple output signals, including 4-20mA, 0-5V, and 0-10V, making it compatible with various industrial control systems. Widely used in fracturing trucks, cementing units, and petrochemical high-pressure systems, it serves as an ideal replacement for imported products. Compliant with IEC standards for EMC, vibration, and shock resistance, the STG34 delivers high reliability and accuracy with a comprehensive accuracy of 0.5% F.S and excellent long-term stability. It operates reliably across a wide temperature range of -40°C to 125°C, making it a cost-effective and robust solution for industrial pressure measurement applications.

1. Key Features

2. Technical Specifications

General Electrical Data

Pressure range 0~200~1500Bar
Pressure Type Gauge / Absolute
Output signals 4~20mA, 0-5V, 0-10V
Supply Voltage 24VDC

Performance Specifications

Accuracy ±0.5%F.S.
Long-term Stability ≤±0.1%F.S./year
Overpressure 150%F.S.
Burst Pressure 300%F.S.
Temperature compensation range(accuracy maintained within this range) -25°C to +85°C
Operating temperature range −40 to +125°C
Storage temperature range −40 to +125°C
Media Temperature Range -40°C to +125°C

3. Applications

4. Selection Guide

Pressure Sensor Selection Key Points: Confirm the measuring range, match the output signal, ensure media compatibility, select the appropriate mounting interface, and define the accuracy requirements.

5. FAQ (Frequently Asked Questions)

Q1: What is the STG34 Union Pressure Transmitter used for?

The STG34 Union Pressure Transmitter is widely used in oil drilling and high-pressure industrial applications, including fracturing trucks, cementing units, and petrochemical systems. It is designed for extreme pressure environments up to 150 MPa.

Q2: What is the measurement range of the STG34 Union Pressure Transmitter?

The STG34 Union Pressure Transmitter offers a measurement range of 0 to 150 MPa (0 to 1500 Bar), supporting both gauge and absolute pressure measurement modes for various industrial applications.

Q3: What output signals does the STG34 Union Pressure Transmitter support?

The device supports standard industrial output signals including 4-20mA current output, 0-5V, and 0-10V voltage outputs, making it compatible with most PLC and control systems.

Q4: What is the accuracy of the STG34 Union Pressure Transmitter?

The STG34 Union Pressure Transmitter provides a comprehensive accuracy of 0.5% F.S with excellent long-term stability of ≤±0.1% F.S per year, ensuring reliable and precise pressure monitoring.

Q5: Can the STG34 Union Pressure Transmitter be used in harsh environments?

Yes, it operates reliably in temperatures ranging from -40°C to 125°C and offers strong resistance to vibration, shock, and corrosion, making it suitable for harsh oilfield conditions.

Q6: What type of connection does the STG34 Union Pressure Transmitter use?

The STG34 features a union-type mechanical connection, allowing quick installation and removal, which is ideal for field maintenance in oil and gas applications.

Q7: What is the housing material of the STG34 Union Pressure Transmitter?

The STG34 Union Pressure Transmitter features an integrated 304 or 316 stainless steel housing, providing excellent corrosion resistance and mechanical strength, making it suitable for harsh oilfield and corrosive media environments.

Q8: Does the STG34 Union Pressure Transmitter have anti-interference capability?

Yes, the STG34 is equipped with an anti-interference circuit design and complies with IEC 61000-6-2/3/4 EMC standards, ensuring stable signal output even in strong electromagnetic industrial environments.

6. Related Products

7. Contact Us

📧 Email: sales@yatansensor.com,   support@yatansensor.com

💬 WhatsApp:+86 185 1660 2370

8. Model Selection / Ordering Code

Please specify the full ordering code when requesting a quotation.

        Model - Range - Output - Accuracy - Electrical Interface - Connector - Cable Length - Supply Voltage

        Example:
        STG34 - 0~100bar - 4-20mA - 0.5%- G1/4 - M12 - 1m - 24V
    

Request Information & Quote

Our engineering team will help you select the right product based on your application requirements.

📞 Tel: 400 180 6877
📧 Email: sales@yatansensor.com
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💬 WhatsApp: +86 185 1660 2370