The GPD30W Mining Wireless Differential Pressure Sensor is designed for real-time differential pressure monitoring for coal mine applications, such as pressure difference measurement across mine fire isolation instrument in pump stations.
The sensor supports wireless data transmission, local pressure display, and backup power operation, enabling flexible installation without additional wiring. With reliable performance in harsh underground environments, it provides an efficient solution for intelligent mine safety management systems.
Key Features
Wireless Data Transmission
Supports wireless monitoring and data transmission, eliminating the need for complex cable installation and enabling flexible deployment.
Excellent Environmental Adaptability
Features a specialized waterproof structural design, allowing stable operation in high-humidity and harsh underground environments.
Automatic Data Storage
Supports automatic storage of measurement data. Historical records can be reviewed through the LCD display for convenient data management.
Audible and Visual Alarm
Integrated sound and light alarm functions provide immediate warnings when differential pressure conditions exceed preset thresholds.
Applications
Technical Specifications
| Parameter | Specification |
| Measuring Range | 0.00–30.00 kPa |
| Resolution | 0.01 kPa |
| Rated Operating Voltage | 18 VDC |
| Operating Voltage Range | 9–25 VDC |
| Backup Battery Life | ≥180 hours |
| Alarm Type | Audible and visual alarm |
| Wireless Frequency | 915 ± 20 MHz |
| Wireless Transmission Distance | ≤200 m (open space, interference-free conditions) |
| RS485 Transmission Rate | 2400 bps |
| RS485 Transmission Distance | ≤6 km |
| Explosion Protection | Intrinsically Safe Design |
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