Danfoss Flat Head High Pressure Sensor
4 week ago
Product details
1. Product Overview
TheDanfoss Flat Head High Pressure Sensoris a high-pressure sensor designed by Danfoss, featuring a flat-head interface for compact integration in space-constrained hydraulic or pneumatic systems. Utilizing piezoresistive or thin-film sensing technology, it converts high-pressure signals into standard electrical outputs (e.g., 4-20mA, 0-10V, or digital signals) for real-time pressure monitoring, ensuring equipment safety and operational efficiency.
Key Features:
• Flat-Head Design: Low-profile interface for easy integration into tight mechanical assemblies.
• High-Pressure Tolerance: Supports pressure ranges up to 0-600 bar or higher (model-dependent).
• High Accuracy & Stability: Linear error ≤ ±0.5% FS, with excellent long-term stability.
• Robust Protection: IP67 or IP69K rated for dust and water resistance, suitable for harsh environments.
• Versatile Connectivity: Compatible with M12 connectors, DIN 43650 plugs, or direct wiring.
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2. Technical Specifications (Typical Values)
【表格】
Parameter Description
Pressure Range 0-100 bar to 0-1000 bar (model-specific options)
Output Signal 4-20mA (2-wire), 0-10V (3-wire), RS485 (digital)
Accuracy ±0.5% FS (Full Scale)
Overload Pressure 1.5× rated pressure (short-term tolerance)
Burst Pressure 3× rated pressure (safety limit)
Response Time ≤1 ms (typical)
Operating Temperature -40°C to +125°C (model-dependent)
Electrical Connection M12×1 connector, DIN 43650 plug, or direct leads
Protection Rating IP67 (dust/waterproof) or IP69K (high-pressure washdown)
Material Stainless steel housing, ceramic sensing element (corrosion-resistant)
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3. Applications
• Hydraulic Systems:
• Main pump pressure monitoring in excavators and cranes.
• Pressure control in injection molding and die-casting machines.
• Hydraulic station pressure safety and closed-loop control.
• Pneumatic Systems:
• Compressed air storage tank pressure monitoring.
• Pressure feedback for pneumatic actuators (cylinders, valves).
• Energy & Process Industries:
• High-pressure detection in oil/gas pipelines.
• Chemical reactor pressure safety monitoring.
• New Energy Vehicles:
• Hydrogen fuel cell stack pressure management.
• Electric compressor high-pressure protection.
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4. Selection Guide
Key Parameter Matching
1. Pressure Range:
• Select a range slightly higher than the system’s maximum pressure (20% margin).
• Example: System max pressure = 400 bar → Choose 0-600 bar model.
2. Output Signal:
• 4-20mA: Ideal for long-distance transmission (noise-resistant).
• 0-10V: Suitable for short distances or PLC direct input.
• Digital Signal: Requires IO-Link or CAN bus support.
3. Interface Type:
• M12 Connector: Universal, easy plug-and-play.
• DIN 43650: Preferred for explosion-proof environments.
• Direct Leads: Custom installation requirements.
4. Environmental Adaptability:
• High Temperature: Select models rated ≥125°C.
• Corrosive Media: Opt for stainless steel housing + ceramic sensing.
Typical Model Examples
• MPA Series: General-purpose high-pressure sensor, 0-600 bar, 4-20mA output.
• DST Series: Digital sensor with IO-Link support for Industry 4.0.
• HCS Series: Ultra-high-pressure model (0-1000 bar) for hydraulic test benches.
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5. Installation & Maintenance
Installation Tips
• Orientation: Avoid downward installation (prevents condensation buildup).
• Thread Sealing: Use metal gaskets or PTFE tape (as specified by model).
• Electrical Grounding: Ensure reliable grounding of the sensor housing (ESD protection).
Maintenance Recommendations
• Periodic Calibration: Recalibrate every 12 months using a standard pressure source.
• Interface Cleaning: Prevent oil or debris from entering the thread port.
• Overload Prevention: Never exceed the burst pressure rating.
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6. Common Faults & Troubleshooting
【表格】
Symptom Possible Cause Solution
Unstable Output EMI interference, loose wiring Shorten cable length, re-tighten connector
Zero Drift Sensor moisture ingress, aging Dry treatment or replace sensor
No Output Signal Reverse power polarity, blown fuse Check polarity, replace fuse
Pressure Lag High-viscosity medium, slow response Upgrade to higher-frequency model or optimize system design
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
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