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- 621-6575 6216575
- Output Module
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- 155 × 85 × 68 mm
- 1.08kg
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Honeywell 621‑6575 (6216575) Pressure Sensor — Complete Product Overview, Specifications, Applications, Advantages, Related Models, Popular Brand Models, and FAQ
1. Product Name and Introduction
Product Name: Honeywell 621‑6575 / 6216575
The Honeywell 621‑6575 is a high-performance, industrial-grade pressure sensor designed for extremely high-pressure gauge measurement in demanding environments. As part of the 621 Series, this model is engineered for precision, durability, and environmental resilience, featuring reinforced construction suitable for use in harsh industrial, hydraulic, and process applications.
The sensor integrates a robust stainless-steel housing, advanced sensing electronics, and reinforced sealing, providing accurate pressure measurement under shock, vibration, and exposure to moisture or dust. The 621‑6575 is often deployed where reliable, continuous pressure monitoring is critical for safety, efficiency, and system performance.
2. Brand and Product Series
Brand: Honeywell
Series: 621 Series Industrial Pressure Sensors
The 621 Series represents a family of rugged, high-accuracy pressure sensors that are widely used in industrial automation, hydraulic systems, and process monitoring. Features of the series include:
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Consistent, high-accuracy measurement across a wide pressure range
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Reinforced housings for harsh environments
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Selectable analog outputs for easy integration
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Standardized mechanical fittings for simplified installation
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Minimal drift over time, ensuring long-term stability
The 621‑6575 is among the top-range models, offering maximum pressure capability with reinforced environmental protection.
3. Product Specifications
| Parameter | Specification |
|---|---|
| Model | 621‑6575 |
| Pressure Type | Gauge pressure |
| Pressure Range | 0–6575 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 | Sealed 3-pin industrial connector |
| Dimensions (L × W × H) | 155 × 85 × 68 mm |
| Weight | 1.08 kg |
| Housing Material | Stainless steel, reinforced and corrosion-resistant |
| Seal Material | Viton or Buna-N elastomer |
| Environmental Protection | IP67 |
| Vibration Resistance | 15 g |
| Shock Resistance | 60 g |
4. Product Applications
The Honeywell 621‑6575 pressure sensor is suitable for applications requiring extremely high pressure measurement, durability, and precision:
Industrial Automation and Process Control
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Provides real-time pressure monitoring for hydraulic actuators, valves, and pumps.
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Supports precise process regulation in automated manufacturing systems.
Heavy Machinery and Mobile Equipment
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Measures hydraulic pressures in construction machinery, mining equipment, and agricultural systems.
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Withstands vibration, shock, and dust exposure common in mobile environments.
Hydraulic Systems and Fluid Power
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Monitors high-pressure hydraulic circuits and fluid power systems to ensure operational safety.
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Prevents overpressure and enhances system performance in heavy presses and hydraulic equipment.
Energy and Power Generation
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Measures pressures in turbines, generators, and auxiliary systems for operational optimization and safety.
Water, Wastewater, and Chemical Plants
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Monitors high-pressure pipelines, pumping stations, and chemical process loops.
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Provides accurate data for preventive maintenance and regulatory compliance.
5. Product Advantages
High Accuracy
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±0.5% FS provides highly reliable readings for industrial control and monitoring.
Reinforced Construction
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Stainless steel housing with corrosion-resistant finish ensures long-term reliability in harsh conditions.
Flexible Output Options
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Selectable 4–20 mA or 0–10 VDC for easy integration with controllers and data acquisition systems.
Wide Operating Temperature Range
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Performs reliably from –40°C to +125°C.
Industrial-Grade Protection
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IP67 environmental rating protects against dust and water ingress.
Vibration and Shock Resistant
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Withstands 15 g vibration and 60 g shock, ideal for mobile and heavy-duty applications.
Standardized Interface
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1/4″ NPT male threaded connection simplifies installation and replacement.
6. Recommended Models — Same Series or Related Types
| Model | Pressure Range | Output | Accuracy | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 621‑6550RC | 0–6550 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 152 × 82 × 66 | 1.05 |
| 621‑6575RC | 0–6575 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 155 × 85 × 68 | 1.08 |
| 621‑6600 | 0–6600 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 150 × 80 × 65 | 1.10 |
| 621‑6500RC | 0–6500 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 150 × 80 × 65 | 1.00 |
| 621‑6350RC | 0–6350 PSI | 4–20 mA / 0–10 V | ±0.5% FS | 150 × 80 × 65 | 0.95 |
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 | Measures small differential ΔP | 4–20 mA | 80 × 40 × 30 | 0.21 |
| ABP Series | Compact Board-Mount Sensor | Space-efficient 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 621‑6575 measure?
A1: It measures gauge pressure, which is relative to atmospheric pressure.
Q2: What is the pressure range of this sensor?
A2: The 621‑6575 measures pressures from 0 to 6575 PSI.
Q3: What output signals are available?
A3: Selectable 4–20 mA or 0–10 VDC outputs are available.
Q4: What is the accuracy specification?
A4: Accuracy is ±0.5% of full scale, ensuring reliable readings.
Q5: What operating temperatures are supported?
A5: Operates reliably from –40°C to +125°C.
Q6: Which media can it measure?
A6: Suitable for air, inert gases, and non-corrosive hydraulic fluids.
Q7: What type of mechanical connection does it use?
A7: 1/4″ NPT male threaded connection for installation.
Q8: What environmental rating does the sensor have?
A8: Rated IP67, protecting against dust and temporary water immersion.
Q9: Is the sensor factory-calibrated?
A9: Yes, it comes factory-calibrated for immediate use in industrial applications.
Q10: What industries commonly use the 621‑6575?
A10: Used in industrial automation, hydraulic systems, energy generation, process control, and chemical/water management systems.