YATAN
STP04G Intelligent Digital Pressure Switch with 4-20mA image frontSTP04G Intelligent Digital Pressure Switch with 4-20mA image backSTP04G Intelligent Digital Pressure Switch with 4-20mA image sideSTP04G Intelligent Digital Pressure Switch with 4-20mA image topSTP04G Intelligent Digital Pressure Switch with 4-20mA image bottom
STP04G Intelligent Digital Pressure Switch with 4-20mA main image

STP04G Intelligent Digital Pressure Switch with 4-20mA

The STP04G Intelligent Pressure Switch is a high-performance digital pressure control device integrating pressure measurement, display, control, and signal output. It features an oil-filled piezoresistive sensor with an isolation diaphragm and a high-precision A/D conversion system, ensuring ±0.5% F.S accuracy and excellent long-term stability. Designed for pressure ranges from 0 to 600 bar, it is suitable for both gas and liquid media monitoring. The device supports dual switch outputs and 4–20mA analog output, with flexible NPN/PNP switching for various industrial automation applications. Equipped with an OLED display and user-friendly buttons, it enables quick zero calibration and unit switching. Built with a robust 304 stainless steel housing and IP65 protection rating, it performs reliably in harsh environments. It is widely used in polyurethane systems, foaming equipment, food processing, and medical applications for viscous media pressure monitoring and control.

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1. Key Features

2. Technical Specifications

General Electrical Data

Pressure Range 0.1 to 600Bar
Pressure Type Gauge / Absolute
Output signals Dual switching outputs, selectable NPN/PNP, and 4–20 mA analog output
Supply Voltage 24VDC

Performance Specifications

Accuracy ±0.5%F.S.
Long-term Stability ≤ ±0.2%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 -25 to +85°C
Storage temperature range -20 to +85°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 are the advantages of the Yatan STP04G over mechanical pressure switches?

Compared to traditional mechanical pressure switches, the Yatan STP04G offers higher accuracy, longer lifespan, and flexible outputs such as 4–20mA and NPN/PNP. Its digital display and programmable settings enable more precise and intelligent pressure control.

Q2: What media is the Yatan STP04G Intelligent Pressure Switch compatible with?

The Yatan STP04G is suitable for gases and liquids that are non-corrosive to 304 and 316L stainless steel. It performs especially well in viscous media applications such as polyurethane materials.

Q3: Is the STP04G intelligent pressure switch suitable for high-pressure or harsh environments?

Yes, the Yatan STP04G supports pressure ranges up to 600 bar, with 150% F.S overload capability. Its 304 stainless steel housing and IP65 protection rating ensure reliable operation in harsh industrial environments.

Q4: Does the Yatan STP04G digital pressure switch support easy configuration and calibration?

Yes, the Yatan STP04G features an OLED display and user-friendly button interface, allowing quick zero calibration, unit switching, and parameter setup for efficient on-site operation.

Q5: What is the accuracy of the Yatan STP04G Intelligent Pressure Switch?

The Yatan STP04G features a high-precision piezoresistive sensor with ±0.5% F.S accuracy and long-term stability of ≤±0.2% F.S/year, ensuring reliable performance in demanding industrial environments.

Q6: What output signals does the STP04G intelligent pressure switch support?

The Yatan STP04G Intelligent Pressure Switch supports dual switching outputs, 4–20mA analog output, and configurable NPN/PNP outputs, ensuring compatibility with a wide range of industrial control systems.

Q7: What applications is the Yatan STP04G Intelligent Pressure Switch suitable for?

The Yatan STP04G Intelligent Pressure Switch is widely used in polyurethane systems, foaming machines, food processing equipment, medical devices, and fermentation systems. It is especially suitable for viscous media pressure monitoring and control, making it ideal for industrial automation applications.

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.

        Quantity - Model – Measuring Range – Output Signal – Process Connection (Thread) – Electrical Connection – Insertion Length – Supply Voltage – Linearity

        Example:
        1 pcs - STP04G - 600Bar - PNP - G1/4 - Cable Output- 1m - 12VDC - 0.5%
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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