The PH18 Mining Intrinsically Safe LED Display is designed for underground coal mine monitoring and information display applications. It can display real-time data from gas drainage pipelines, borehole monitoring devices, and environmental monitoring sensors.
With a high-brightness LED display, multiple communication interfaces, voice broadcasting capability, and robust protection design, the PH18 provides an effective solution for underground information visualization, safety notification, and intelligent mine communication.
Key Features
Large LED Display
Features a 320 × 160 pixel LED display supporting full-color text, graphics, and information visualization for clear underground viewing.
Multiple Communication Interfaces
Supports RS485, Ethernet, optical fiber, Bluetooth, WiFi, and LoRa communication, enabling flexible integration with various mine monitoring networks.
Voice Broadcasting Function
Supports voice broadcasting of sensor data, system notifications, and safety announcements to improve underground information delivery efficiency.
Real-Time Data Transmission
Displays real-time measurement parameters and operating status of connected sensors, enabling centralized monitoring and on-site information access.
Excellent Environmental Protection
With IP65 protection rating, the display provides reliable resistance against dust, water, and harsh underground operating conditions.
Flexible Configuration
Supports parameter configuration and application management through PC software and mobile APP for convenient operation and maintenance.
Applications
Technical Specifications
| Parameter | Specification |
| Display Type | LED Display |
| Resolution | 320 × 160 pixels |
| Pixel Pitch | 2 mm |
| Voice Broadcast Level | ≥75 dB(A) |
| Rated Operating Voltage | 18 VDC |
| Operating Voltage Range | 11–19 VDC |
| Protection Rating | IP65 |
| Communication Interfaces | RS485 / Ethernet / Optical Fiber / Bluetooth / WiFi / LoRa |
| Explosion Protection | Ex ib I Mb |
| Communication Interfaces | RS485 ×2, Ethernet ×4, Optical Fiber ×2, WiFi ×1, Bluetooth ×1, LoRa ×1 |
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