PT-506 G1/4 4-20mA Pressure Sensor – Water, Oil & Hydraulic
PT-506 High Accuracy 4-20mA Pressure Sensor
The PT-506 Pressure Sensor delivers industrial-grade precision for monitoring water pumps, hydraulic oil systems, air compressors, and liquid media. With a standard 4–20mA output signal and G1/4 thread connection, this stainless steel sensor integrates seamlessly into automation and control systems of all scales. Made in Mainland China.
Key Features
- High Accuracy (±0.5% FS): Dependable full-scale precision ensures reliable pressure readings for critical monitoring applications.
- IP67 Waterproof & Dustproof: Built-in O-ring seal and gasket provide robust protection against moisture and dust ingress.
- Anti-Mistake Plug Design: Foolproof keyed slot prevents reverse insertion, protecting the sensor from accidental damage during installation.
- Enhanced Signal Integrity: 22AWG tinned shielded wire minimizes electrical interference and ensures clean, stable signal transmission over the 2-metre cable.
- Wide Pressure Range Options: Available in 0–1.0 MPa, 0–1.6 MPa, and 0–2.5 MPa ranges to suit a variety of system requirements.
- Broad Temperature Tolerance: Operates reliably from –40°C to +85°C, suitable for demanding industrial environments.
- Straight & Elbow Type Models: Choose the configuration that best fits your installation layout.
Technical Specifications
| Model | Straight / Elbow Type |
| Pressure Range | 0–1.0 MPa / 0–1.6 MPa / 0–2.5 MPa |
| Output Signal | 4–20 mA |
| Power Supply | 24 VDC (10–36 VDC) |
| Thread Size | G1/4 (Ø13 mm) |
| Operating Temperature | –40°C to +85°C |
| Cable Length | 2 Metres |
| Housing Material | Stainless Steel |
| Protection Rating | IP67 |
| Accuracy | ±0.5% FS |
| Package Contents | 1 × Pressure Sensor |
| Country of Origin | Mainland China |
Compatible Applications
The PT-506 is designed for a wide range of industrial and commercial uses:
- Water pump pressure monitoring
- Hydraulic oil system control
- Air compressor management
- Liquid level monitoring in tanks and pipelines
- Industrial automation and PLC-based control systems
Compatible media include water, hydraulic oil, and compressed air.
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Frequently Asked Questions
Q: What media is the PT-506 pressure sensor compatible with?
A: The PT-506 pressure sensor is compatible with water, hydraulic oil, and compressed air, making it suitable for water pump systems, hydraulic circuits, and air compressor monitoring applications.
Q: What power supply does the PT-506 4-20mA pressure sensor require?
A: The PT-506 operates on a 24 VDC power supply with an accepted input range of 10–36 VDC, making it compatible with most standard industrial control and automation power sources.
Q: Is the PT-506 pressure sensor suitable for outdoor or harsh environments?
A: Yes. With an IP67 waterproof and dustproof rating, an operating temperature range of –40°C to +85°C, and a stainless steel housing, the PT-506 is built to handle demanding industrial and outdoor installation conditions reliably.
Q: What is the thread size for installing the PT-506 pressure sensor?
A: The PT-506 uses a standard G1/4 thread (Ø13 mm), which is a widely used pipe fitting size in industrial and hydraulic systems, ensuring easy installation and broad compatibility.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.