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- 125 × 68 × 55 mm
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Honeywell 621‑3580 Pressure Sensor — Complete Overview, Specifications, Applications, Advantages, Related Models, Popular Brand Models, and FAQ
1. Product Name and Introduction
Product Name: Honeywell 621‑3580
The Honeywell 621‑3580 is a high-performance industrial gauge pressure sensor designed to deliver precise and reliable pressure measurement in challenging industrial environments. Part of the 621 Series Industrial Pressure Sensors, this model is engineered for high-pressure applications requiring durability, accuracy, and long-term stability.
The 621‑3580 features a robust stainless steel housing and reinforced environmental protection, making it suitable for exposure to vibration, moisture, temperature extremes, and chemical contaminants. Its selectable analog output signals allow seamless integration with industrial controllers, PLCs, data acquisition systems, and process automation platforms.
This model is commonly applied in hydraulic systems, industrial automation, mobile machinery, energy and power systems, water/wastewater management, and process control in chemical and petrochemical plants.
2. Brand and Series
Brand: Honeywell
Series: 621 Series Industrial Pressure Sensors
The 621 Series is a family of industrial-grade pressure sensors designed for accurate pressure monitoring in harsh conditions. Models in this series share standardized mechanical dimensions, selectable outputs, high environmental resistance, and consistent performance across a wide range of industrial applications. The 621‑3580 is one of the higher-pressure models, offering extended range for demanding systems.
3. Product Specifications
| Parameter | Specification |
|---|---|
| Model | 621‑3580 |
| Pressure Type | Gauge Pressure |
| Pressure Range | 0–3580 PSI |
| Accuracy | ±0.5% of Full Scale (FS) |
| Output Signal | Selectable: 4–20 mA or 0–10 VDC |
| Supply Voltage | 10–30 VDC |
| Response Time | ≤ 5 ms |
| Operating Temperature Range | –40°C to +125°C |
| Media Compatibility | Air, inert gases, non‑corrosive hydraulic fluids |
| Mechanical Connection | 1/4″ NPT Male |
| Electrical Connector | Industrial sealed 3‑pin connector |
| Dimensions (L × W × H) | 125 × 68 × 55 mm |
| Weight | 0.66 kg |
| Housing Material | Stainless steel with reinforced corrosion-resistant coating |
| Seal Material | Viton or Buna-N elastomer |
| Environmental Protection | IP67 |
| Vibration Resistance | 15 g |
| Shock Resistance | 60 g |
4. Product Applications
The 621‑3580 is suitable for industrial environments that demand accurate and reliable pressure measurement under extreme conditions.
Industrial Automation and Process Control:
Used in PLC-controlled processes to monitor pressure in hydraulic and pneumatic systems, ensuring smooth operation of valves, actuators, and control loops.
Heavy Machinery and Mobile Equipment:
Applied in construction machinery, mining equipment, and other mobile machinery requiring high-pressure feedback for safe and efficient operation.
Hydraulic and Pneumatic Systems:
Monitors system pressure in presses, injection molding machines, and heavy-duty hydraulic systems.
Energy and Power Generation:
Used to track high-pressure lines in turbines, generators, and auxiliary hydraulic circuits to ensure operational safety and efficiency.
Water and Wastewater Systems:
Installed in high-pressure pumps, pipelines, and filtration systems to prevent overpressure conditions and maintain system integrity.
Chemical and Petrochemical Processes:
Provides reliable feedback in process loops that impact production safety, product quality, and compliance with safety standards.
5. Product Advantages
The Honeywell 621‑3580 offers several key benefits for industrial applications:
High Accuracy:
Provides ±0.5% FS accuracy for precise measurement and control.
Robust Construction:
Durable stainless steel housing with reinforced protection ensures long-term operation even in harsh industrial environments.
Selectable Output Signals:
Supports 4–20 mA or 0–10 VDC, allowing integration with a variety of industrial control systems.
Wide Temperature Tolerance:
Operates reliably from –40°C to +125°C, suitable for extreme hot or cold environments.
Environmental Protection:
IP67 rating ensures resistance to dust and temporary immersion, supporting use in outdoor and washdown environments.
Compact Mechanical Design:
Standard 1/4″ NPT connection and compact size facilitate installation in tight spaces.
Vibration and Shock Resistance:
Capable of handling up to 15 g vibration and 60 g shock, making it suitable for mobile equipment and heavy-duty industrial applications.
6. Recommended Models — Same Series or Related Types
| Model | Pressure Range | Output | Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 621‑3560RC | 0–3560 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 125 × 68 × 55 | 0.65 |
| 621‑3552RC | 0–3550 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 122 × 65 × 55 | 0.60 |
| 621‑3502 | 0–3500 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 120 × 65 × 55 | 0.58 |
| 621‑3700 | 0–3700 PSI | 4–20 mA | ±0.5% FS | 125 × 65 × 55 | 0.62 |
| 621‑3300 | 0–3300 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 115 × 62 × 52 | 0.55 |
7. Popular Models — Other Strong Choices from the Same Brand
| Model | Sensor Type | Key Feature | Output | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| PX90 | Pressure Transducer | High industrial accuracy | 4–20 mA / 0–10 V | 92 × 50 × 45 | 0.33 |
| SCX Series | Differential Pressure Sensor | Measures differential ΔP | 4–20 mA | 80 × 40 × 30 | 0.21 |
| ABP Series | Board-Mount Pressure Sensor | Compact OEM integration | Analog / Digital | 30 × 20 × 12 | 0.05 |
| TCR700 | Temperature Sensor | Wide temperature range sensing | 4–20 mA | 65 × 22 × 15 | 0.14 |
| RH700 | Humidity & Temperature Sensor | Dual humidity and temperature | Digital | 48 × 48 × 16 | 0.11 |
8. Frequently Asked Questions (FAQ)
Q1: What type of pressure does the 621‑3580 measure?
A1: It measures gauge pressure, relative to atmospheric pressure.
Q2: What is the pressure range?
A2: It measures from 0 to 3580 PSI, suitable for high-pressure industrial systems.
Q3: What output signals does it support?
A3: Selectable analog outputs: 4–20 mA or 0–10 VDC.
Q4: What is the accuracy of this sensor?
A4: The sensor provides ±0.5% FS for reliable and repeatable readings.
Q5: Can it operate in extreme temperatures?
A5: Yes, its operating range is –40°C to +125°C.
Q6: What media is compatible?
A6: Air, inert gases, and non-corrosive hydraulic fluids.
Q7: What mechanical connection does it have?
A7: Standard 1/4″ NPT male threaded connection.
Q8: What is the environmental protection rating?
A8: The sensor is rated IP67, providing dust and water protection.
Q9: Is it suitable for mobile equipment?
A9: Yes, it withstands 15 g vibration and 60 g shock.
Q10: Which industries commonly use it?
A10: Used in industrial automation, hydraulic systems, mobile machinery, water/wastewater, energy, and process control industries.