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- 125 × 68 × 55 mm
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Honeywell 621‑3560R Pressure Sensor — Detailed Product Overview, Specifications, Applications, Advantages, Related Models, Popular Brand Models, and FAQ
1. Product Name and Introduction
Product Name: Honeywell 621‑3560R
The Honeywell 621‑3560R is an industrial-grade, high-precision pressure sensor designed for demanding environments where accurate gauge pressure measurement is critical. As an enhanced variant of the 621 Series, the 621‑3560R offers robust reliability, high vibration and shock resistance, and optimized performance for industrial, mobile, and process control applications. Its design emphasizes durability, long-term stability, and ease of integration with control systems, making it ideal for harsh operating conditions.
The “R” in the model indicates ruggedized design, suitable for applications involving frequent mechanical stress, vibration, and fluctuating pressures.
2. Brand and Series
Brand: Honeywell
Series: 621 Series Industrial Pressure Sensors
The 621 Series includes a wide range of pressure sensors with a reputation for accuracy, durability, and versatility. Sensors in this series serve industrial automation, mobile hydraulics, water and wastewater management, chemical process control, and energy systems. They combine industrial-standard mechanical interfaces, high-accuracy electronics, and robust housings capable of withstanding harsh environments.
3. Product Specifications
| Parameter | Specification |
|---|---|
| Model | 621‑3560R |
| Pressure Type | Gauge pressure |
| Pressure Range | 0–3560 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 | Ruggedized 3‑pin industrial connector |
| Dimensions (L × W × H) | 125 × 68 × 55 mm |
| Weight | 0.64 kg |
| Housing Material | Stainless steel |
| Seal Material | Viton or Buna‑N elastomer |
| Environmental Protection | IP67 |
| Vibration Resistance | 15 g |
| Shock Resistance | 60 g |
4. Product Applications
The Honeywell 621‑3560R is designed for a variety of high-performance applications where accurate and reliable gauge pressure measurement is crucial:
Industrial Automation & Control Systems:
Used in pneumatic and hydraulic control loops to provide precise pressure feedback for automated machinery, helping maintain operational efficiency and safety.
Heavy-Duty Hydraulic Systems:
Monitors pressures in hydraulic pumps, presses, and mobile hydraulic circuits. Rugged design ensures continuous operation even under high shock and vibration.
Mobile Equipment & Construction Machinery:
Suitable for installation on excavators, cranes, loaders, and drilling rigs, where dynamic load conditions are present.
Water & Wastewater Management:
Used to regulate pressures in high-pressure pipelines, pumping stations, and filtration systems to prevent overpressure conditions.
Energy Production & Power Systems:
Provides pressure feedback for turbines, generators, and auxiliary hydraulic equipment, supporting system safety and efficiency.
Process Control in Chemical & Petrochemical Plants:
Ensures accurate process control in pressure-sensitive loops, maintaining product quality and system safety.
5. Product Advantages
The 621‑3560R offers multiple advantages that make it suitable for demanding industrial applications:
Ruggedized Construction:
Enhanced resistance to mechanical shock, vibration, and harsh environmental conditions.
High Precision & Stability:
Accuracy of ±0.5% FS ensures reliable readings over long-term use.
Selectable Output Options:
4–20 mA or 0–10 VDC output allows integration with a wide range of PLCs, controllers, and data acquisition systems.
Wide Operating Temperature Range:
Capable of performing between –40°C to +125°C, suitable for both extreme cold and heat.
Robust Environmental Protection:
IP67 rating ensures resistance to dust and temporary immersion in water.
Compact & Easy Installation:
Standard 1/4″ NPT connection and rugged 3‑pin connector simplify integration and maintenance.
Durable Materials:
Stainless steel housing with Viton or Buna-N seals provides long-term reliability and corrosion resistance.
6. Recommended Models — Same Series or Related Types
| Model | Pressure Range | Output | Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 621‑3500 | 0–3500 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 120 × 65 × 55 | 0.60 |
| 621‑3552RC | 0–3550 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 122 × 65 × 55 | 0.60 |
| 621‑3560 | 0–3560 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 125 × 68 × 55 | 0.62 |
| 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 accuracy industrial | 4–20 mA / 0–10 V | 92 × 50 × 45 | 0.33 |
| SCX Series | Differential Pressure Sensor | Accurate ΔP measurement | 4–20 mA | 80 × 40 × 30 | 0.21 |
| ABP Series | Compact Board-Mount Sensor | OEM space-saving 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 | Combined humidity and temperature | Digital | 48 × 48 × 16 | 0.11 |
8. Frequently Asked Questions (FAQ)
Q1: What type of pressure does the Honeywell 621‑3560R measure?
A1: It measures gauge pressure, which is pressure relative to ambient atmospheric pressure.
Q2: What is the maximum pressure range of this model?
A2: This sensor can measure pressures up to 3560 PSI, suitable for high-pressure systems.
Q3: What output signals are supported?
A3: It supports selectable 4–20 mA current loop or 0–10 VDC voltage output.
Q4: What is the accuracy of this sensor?
A4: The accuracy is approximately ±0.5% of full scale, ensuring reliable readings.
Q5: What media are compatible with this sensor?
A5: Compatible with air, inert gases, and non-corrosive hydraulic fluids.
Q6: What environmental protection does it provide?
A6: It has an IP67 rating, meaning dust-proof and temporarily water-immersible.
Q7: What is the mechanical connection type?
A7: Standard 1/4″ NPT male threaded mechanical interface.
Q8: Is the sensor pre-calibrated?
A8: Yes, it is factory-calibrated. Periodic verification is recommended for critical applications.
Q9: What is the operating temperature range?
A9: The sensor operates between –40°C and +125°C.
Q10: Which industries commonly use this sensor?
A10: Commonly used in industrial automation, mobile hydraulics, water/wastewater management, chemical processing, and energy systems.