DP802 – Industrial Air Differential Pressure Sensor
The DP802/802D is a high-precision industrial air differential pressure sensor and transmitter engineered for accurate and reliable pressure monitoring in OEM equipment, HVAC systems, and industrial automation. Designed for non-corrosive air and gas measurement, it features advanced chip technology, digital temperature compensation, and strong resistance to humidity, ensuring long-term stability even in challenging environments.
Its compact housing, lightweight structure, and versatile mounting options (screw or threaded) make it easy to integrate into space-constrained or high-performance applications.
Applications:
✔ Cleanroom Pressure Monitoring – Maintains positive or negative pressure for contamination control
✔ HVAC Differential Pressure Control – Optimizes airflow across ducts and filters in AHU and ventilation systems
✔ Dust Collection and Air Filtration Systems – Enables real-time air filter differential pressure sensor functionality
✔ Fume Hoods & Lab Ventilation – Ensures proper exhaust air control and occupational safety
✔ Ventilation Airflow Control – Ideal for air quality management and duct differential air pressure monitoring
Perfect for applications requiring precise differential pressure measurement, including air handling units (AHU), clean environments, and HVAC automation.
Description
The DP802/DP802D is a compact and high-accuracy industrial air differential pressure sensor designed for precise monitoring of air and non-corrosive gases in HVAC systems, cleanrooms, and OEM applications. It integrates advanced chip technology with digital temperature compensation to ensure stable, linear, and reliable measurements under varying environmental conditions.
With a lightweight design, flexible mounting options (M4 screw holes and M10×1.5 threaded air nozzle), and strong resistance to humidity, the DP802/DP802D is ideal for air filter monitoring, duct pressure measurement, and ventilation control in demanding industrial and automation systems.
Features
✔ High-Accuracy Differential Pressure Measurement – Delivers precise readings with accuracy up to ≤±0.5% F.S., ideal for HVAC differential pressure monitoring, cleanrooms, and industrial control.
✔ Digital Temperature Compensation – Ensures consistent and stable output across varying ambient conditions.
✔ Advanced Sensor Chip Technology – Utilizes a high-performance imported chip and cutting-edge circuitry for long-term reliability.
✔ Moisture-Resistant & Durable Design – Excellent resistance to humidity and airborne contaminants, ideal for air filtration systems, duct differential pressure sensing, and demanding industrial environments.
✔ Compact, Lightweight, and Easy to Install – Features M4 mounting holes and threaded M10×1.5 air nozzle for flexible installation in tight spaces or embedded systems.
Specification
| Model
Parameter |
DP802(Without display)
DP802D(With a display) |
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| Accuracy | ≤±0.25%F.S (by customized); ≤±0.5%F.S (Typical); | ||||
| Pressure Range | 0-100Pa…200KPa max or ±100Pa…200KPa | ||||
| Working Temp. | -10℃~80℃ at 25℃ | ||||
| Temp. compensation | -10℃~80℃ | ||||
| Medium compatible | Dry and non-corrosive gases | ||||
| Electrical Wire | 2 Wires | 3 Wires | 4 wires | ||
| Output | 4~20mA | 0~5V | 0~10 V | 0.5-4.5V | RS485 MODBUS |
| Power Supply | 8-30V with potentiometer;
24-30V without potentiometer |
5Vdc | 8-30V with potentiometer;
24-30V without potentiometer |
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| Electrical connection | Fixed cable outlet | ||||
| Pressure connection | Φ8 gas port, Φ6 gas port , quick connector optional | ||||
| IP Rating | IP65 | ||||
FAQ
1. What is an industrial air differential pressure sensor used for?
An industrial air differential pressure sensor measures the pressure difference between two points in air or gas systems. The DP802/DP802D is ideal for HVAC systems, air filtration, cleanroom pressure control, dust collection systems, and fume hoods.
2. How accurate is the DP802/DP802D differential pressure sensor?
The DP802/DP802D offers high precision with an accuracy of ≤±0.5% F.S., making it suitable for applications requiring stable and reliable air pressure differential measurement.
3. Is this air differential pressure sensor suitable for HVAC systems?
Yes, the DP802/DP802D is a highly reliable HVAC differential pressure sensor. It helps monitor airflow, optimize system performance, and maintain indoor air quality in ventilation and duct systems.
4. Can this sensor be used for air filter monitoring?
Absolutely. It works effectively as an air filter differential pressure sensor, detecting pressure drops across filters and indicating when replacement is necessary.
5. What type of gases can the DP802/DP802D measure?
This air differential pressure transmitter is designed for dry and non-corrosive gases only. It is commonly used for clean air in industrial and automation settings.
6. Is the sensor easy to install in compact or embedded systems?
Yes. The compact and lightweight design, along with M4 screw holes and M10×1.5 threaded nozzles, allows for flexible installation in tight spaces or embedded systems.
7. Does the DP802/DP802D support digital output or wireless connectivity?
The current version supports analog output with digital temperature compensation. For wireless differential air pressure sensors, please refer to our other models.
8. Can this differential pressure sensor be used in industrial automation?
Yes, the DP802/DP802D is well-suited for industrial automation and process control systems where accurate and stable differential pressure measurement is critical.
Datasheet
DP802/802D Industrial Air Differential Pressure Sensor Datasheet
