DP825 – Micro Differential Pressure Sensor
The DP825 Micro Differential Pressure Sensor is designed for precise measurement of pressure and differential pressure in dry, non-corrosive gases. Featuring advanced silicon MEMS technology, digital calibration, and temperature compensation, it ensures high accuracy and stability across a wide measurement range. With industrial-standard output options (4mA~20mA, RS485), reverse polarity protection, and an explosion-proof design, the DP825 is ideal for demanding industrial applications.
Applications:
✔ Airflow Measurement in Ducts – Ensures proper ventilation and HVAC performance
✔ Building Pressurization Control – Maintains air pressure balance for energy efficiency
✔ Filter Monitoring in Air Purification Systems – Detects pressure changes to indicate filter clogging
✔ Air Pressure Control in Pneumatic Conveying Systems – Optimizes material transport efficiency
✔ Environmental Chambers – Maintains precise pressure conditions for testing and research
The DP825 is a high-performance, reliable solution for HVAC, cleanroom environments, industrial air systems, and environmental monitoring.
Description
The DP825 Micro Differential Pressure Transmitter is designed for high-precision pressure and differential pressure measurement in dry, non-corrosive gases. Built with silicon MEMS micro-pressure chip technology, it delivers superior stability and minimal drift.
Advanced temperature compensation and digital calibration enhance accuracy, while signal processing functions—including linear compensation, signal amplification, and V/I conversion—ensure reliable industrial-standard outputs (4mA~20mA, RS485). The DP825 also features reverse polarity protection and anti-surge capabilities, making it ideal for demanding environments, including hazardous areas.
Features
✔ Explosion-proof design for safe operation in hazardous environments
✔ Exceptional stability with minimal drift over time
✔ Wide measurement range for various pressure applications
✔ Advanced linear and temperature compensation for high accuracy
✔ Durable construction rated for over 10 million load cycles
Specification
| Pressure type | Differential pressure, gauge pressure | |||
| Measuring range | 0Pa~±100Pa, 500Pa … 1000Pa; 0kPa~2kPa,10kPa … 100kPa | |||
| Accuracy | ±1.0%F.S; ±0.5%F.S | |||
| Electrical wire | 2 wire | 3 wire | 4 wire | 4 wire |
| Signal output | 4mA~20mA | 0.5V~4.5Vdc | I2C | RS485 |
| Power supply | 12V~30Vdc | 5V~30Vdc | 3.3V~5Vdc | 5V~30Vdc |
| Electrical connection | Direct cable outlet, IP66 | |||
| Medium Temp. | -40℃~85℃ | |||
| Temp. compensation | 0℃~50℃ | |||
| Medium compatible | Non-corrosive gases | |||
| Overload | 200% F.S | |||
| Max static pressure | ≤200kPa (related to the actual range of the product) | |||
Datasheet
DP825 Micro Differential Pressure Sensor Datasheet
