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STP04 Intelligent Digital Pressure Switch

The STP04 Intelligent Pressure Switch is a high-performance digital pressure control device integrating pressure measurement, display, and control functions. It features an oil-filled piezoresistive sensor with an isolation diaphragm and a high-precision A/D converter, ensuring stable and accurate performance. The device supports flexible NPN/PNP switching and offers dual switch outputs along with a 4–20mA signal, making it suitable for various industrial automation applications. Equipped with an OLED display, one-touch zero calibration, and unit switching, it provides easy operation and adjustable response time. With a robust stainless steel housing, excellent anti-interference capability, and corrosion resistance, it is widely used in hydraulic systems, petrochemical industries, machinery, and industrial equipment for reliable 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: Why choose the Yatan STP04 Intelligent Digital Pressure Switch for industrial pressure control?

The Yatan STP04 combines high accuracy, fast response, flexible outputs, and easy operation with strong anti-interference capability and durable construction, making it an ideal solution for reliable industrial pressure monitoring and control.

Q2: What pressure ranges and connection options are available for the Yatan STP04 Intelligent Pressure Switch?

The Yatan STP04 offers pressure ranges from 0~0.1 up to 600 bar, with multiple connection options such as G1/4, G1/2, and M20×1.5, as well as customization for various installation requirements.

Q3: What media can the Yatan STP04 Intelligent Digital Pressure Switch measure?

The Yatan STP04 is suitable for measuring gases and liquids that are non-corrosive to stainless steel 304 and 316L, such as water, oil, and general industrial fluids.

Q4: Is the Yatan STP04 Intelligent Pressure Switch easy to configure and operate on-site?

Yes, the Yatan STP04 features an OLED display with user-friendly button controls, allowing quick zero calibration and unit switching for easy setup and on-site adjustment.

Q5: What is the accuracy and long-term stability of the Yatan STP04 Intelligent Digital Pressure Switch?

The Yatan STP04 offers an accuracy of ±0.5% F.S and long-term stability of ≤±0.2% F.S per year. With temperature compensation and a high-precision sensor, it ensures reliable performance in demanding conditions.

Q6: Does the Yatan STP04 Intelligent Pressure Switch support 4-20mA output and NPN/PNP signals?

Yes, the Yatan STP04 Intelligent Pressure Switch supports dual switching outputs with selectable NPN/PNP modes, as well as a 4–20mA analog output, making it compatible with various industrial control systems.

Q7: What applications is the Yatan STP04 Intelligent Digital Pressure Switch suitable for?

The Yatan STP04 Intelligent Digital Pressure Switch is widely used in industrial automation, hydraulic systems, petrochemical industries, construction machinery, and water treatment. It is ideal for accurate pressure measurement and control of gases and liquids in demanding 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.

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

        Example:
        1 pcs - STP04 - 600Bar - PNP - G1/4 - Cable Output- 1m - 12VDC - 0.5%
Previous Product STL04 Draw Wire Displacement Sensor
Next Product STP04G Intelligent Digital Pressure Switch with 4-20mA

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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
🟢 WeChat: WeChat
💬 WhatsApp: +86 185 1660 2370