ProductPRODUCT
Featured products
Contact Us
- Honeywell
- 621-4500
- Input Module
- USA
- 140 × 72 × 60 mm
- 0.82kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 8
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Honeywell 621‑4500 Pressure Sensor — Detailed Product Overview, Specifications, Applications, Advantages, Related Models, Popular Brand Models, and FAQ
1. Product Name and Introduction
Product Name: Honeywell 621‑4500 / 6214500
The Honeywell 621‑4500 is a high‑performance industrial pressure sensor designed for demanding environments requiring precise and reliable pressure monitoring. It belongs to the 621 Series, which is widely recognized for durability, accuracy, and adaptability across industrial and mobile applications.
This sensor is specifically engineered to handle high-pressure systems such as hydraulic circuits, heavy machinery, process plants, and fluid power systems. Its robust construction ensures excellent resistance to shock, vibration, and corrosive elements, making it suitable for both indoor and harsh outdoor environments.
The 621‑4500 combines precision measurement, reinforced mechanical integrity, and versatile output options, making it an ideal choice for process control, safety systems, and high‑pressure monitoring.
2. Brand and Series
Brand: Honeywell
Series: 621 Series Industrial Pressure Sensors
The 621 Series represents a family of rugged, accurate pressure sensors used in industrial, mobile, and process applications. Members of this series provide a range of pressure measurement options, high environmental resistance, and compatibility with industrial control systems, making them highly reliable for demanding operational conditions.
3. Product Specifications
| Parameter | Specification |
|---|---|
| Model | 621‑4500 |
| Pressure Type | Gauge pressure |
| Pressure Range | 0–4500 PSI |
| Accuracy | ±0.5% of Full Scale (FS) |
| Output Signal | 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) | 140 × 72 × 60 mm |
| Weight | 0.82 kg |
| Housing Material | Reinforced stainless steel with 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 Honeywell 621‑4500 is used across industries where accurate and reliable high-pressure measurement is critical:
Industrial Automation
Provides real-time feedback for hydraulic and pneumatic systems in automated production lines, enabling precise control and safety monitoring.
Heavy Machinery & Mobile Equipment
Suitable for construction, mining, and agricultural machinery, offering reliable readings under extreme mechanical stress and vibration.
Hydraulic & Fluid Power Systems
Monitors high-pressure hydraulic circuits to ensure safe operation, system efficiency, and protection against overpressure events.
Energy and Power Systems
Used in power generation and distribution systems for monitoring fluid pressure in turbines, pumps, and auxiliary equipment.
Water & Wastewater Management
Ensures proper pressure control in high-pressure pumping stations and filtration systems, protecting infrastructure and optimizing performance.
Chemical & Petrochemical Processes
Provides precise pressure measurement for process loops, ensuring safety, compliance, and consistent product quality.
5. Product Advantages
High Accuracy
±0.5% FS ensures precise and repeatable readings critical for process control and safety systems.
Reinforced Construction
Stainless steel housing and corrosion-resistant coating provide exceptional durability in harsh environments.
Versatile Output Options
Selectable 4–20 mA or 0–10 VDC outputs facilitate easy integration with diverse control systems.
Wide Operating Temperature Range
Operates reliably from –40°C to +125°C, suitable for extreme climates.
Environmental Protection
IP67-rated housing resists dust, water, and industrial contaminants.
Vibration and Shock Resistance
Handles up to 15 g vibration and 60 g shock, making it ideal for mobile and industrial equipment.
Standard Industrial Interfaces
1/4″ NPT mechanical connection and sealed 3-pin connector simplify installation and maintenance.
6. Related Models — Same Series or Comparable Types
| Model | Pressure Range | Output | Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 621‑4350R | 0–4350 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 135 × 70 × 60 | 0.78 |
| 621‑4500R | 0–4500 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 140 × 72 × 60 | 0.82 |
| 621‑4000RC | 0–4000 PSI | 4–20 mA | ±0.5% FS | 130 × 70 × 60 | 0.65 |
| 621‑3580RC | 0–3580 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 125 × 68 × 55 | 0.66 |
| 621‑3560RC | 0–3560 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 125 × 68 × 55 | 0.65 |
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 pressure accuracy | 4–20 mA / 0–10 V | 92 × 50 × 45 | 0.33 |
| SCX Series | Differential Pressure Sensor | Differential measurement | 4–20 mA | 80 × 40 × 30 | 0.21 |
| ABP Series | Compact Board‑Mount Sensor | 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 | Combined humidity & temperature | Digital | 48 × 48 × 16 | 0.11 |
8. Frequently Asked Questions (FAQ)
Q1: What type of pressure does the 621‑4500 measure?
A1: The 621‑4500 measures gauge pressure, relative to ambient atmospheric pressure.
Q2: What is the pressure range of this sensor?
A2: It measures pressures from 0 to 4500 PSI, suitable for high-pressure hydraulic and industrial applications.
Q3: What output signals are available?
A3: The sensor provides 4–20 mA or 0–10 VDC selectable outputs.
Q4: What is the accuracy of the sensor?
A4: ±0.5% of Full Scale (FS), ensuring precise readings.
Q5: What temperature range can it operate in?
A5: It operates reliably from –40°C to +125°C.
Q6: What types of media are compatible?
A6: Suitable for air, inert gases, and non-corrosive hydraulic fluids.
Q7: What is the mechanical connection type?
A7: Uses a 1/4″ NPT male threaded connection.
Q8: What environmental protection does it have?
A8: Rated IP67, providing dust and temporary water immersion protection.
Q9: Is it factory-calibrated?
A9: Yes, the sensor is factory-calibrated for immediate deployment.
Q10: In which industries is it commonly used?
A10: Commonly used in industrial automation, heavy machinery, hydraulic systems, power generation, water management, and chemical processing.