Home >Smart Agriculture>Smart Agriculture
EBYTE E90 DTU in Grain Storage Environment Monitoring: Applications and Practices

Importance of Grain Storage Environment Monitoring

Grain security is a critical component of national security, and storage conditions directly impact grain quality. Abnormal temperature/humidity, pest infestations, or hazardous gas concentrations can lead to mold, spoilage, and significant economic losses. Traditional manual inspections suffer from inefficiency, delayed responses, and incomplete coverage, failing to meet modern, precision-oriented grain management needs. Intelligent wireless monitoring systems have thus become essential

Technical Features and Adaptability of E90 DTU

The Ebyte E90 Series DTU, with its unique advantages, is an ideal solution for grain storage monitoring:

1. Industrial-Grade Communication

  • LoRa Spread Spectrum Technology: Military-grade modulation(E90-DTU(433L33)-V8) achieves 12km range (open areas) and strong penetration, covering large warehouses with multiple monitoring points.

  • Ultra-Narrowband Transmission : Designed for complex electromagnetic environments, with 300% improved anti-interference to ensure data stability.

2. Multi-Dimensional Environmental Sensing

  • Multi-Protocol Interfaces: RS232/RS485 ports support mainstream sensors (temperature/humidity, gas detectors, pest monitors) and Modbus RTU protocol for PLC/RTU integration.

  • Flexible Networking: Point-to-point, multipoint, or mesh networks enable distributed monitoring across storage facilities.

3. Extreme Environment Resilience

  • Wide Voltage Input (8–28V): Compatible with solar power systems in remote warehouses.

  • Military-Grade Protection: IP67 rating and -40°C to 75°C operating range withstand dust, moisture, and temperature extremes.

Key Application Scenarios

1. Temperature & Humidity Monitoring

Deploy E90-DTU433L37-V8 with digital sensors to track grain pile conditions. Triggers alarms and activates ventilation when temperature >25°C or humidity >65%.

2. Gas Concentration Alerts

Integrate phosphine (PH₃) detectors with (FEC error correction). Initiates emergency ventilation and SMS alerts upon threshold breaches.

3. Smart Security Integration

Pair infrared/vibration sensors with  for intrusion detection. Activates alarms, CCTV capture, and real-time alerts to security centers

Solution Advantages

  • Low-Power Operation: Timed sleep/wake cycles + solar power enable year-round monitoring.

  • Edge Computing: Built-in data filtering reduces bandwidth usage by 60%.

  • Visual Management: MQTT-based IoT platforms provide GIS mapping, historical data analysis, and automated reporting.

Next-gen E90 DTUs will integrate AI edge computing modules for early pest detection and mold risk prediction, transitioning grain storage from passive monitoring to proactive defens.


The E90 DTU, with its industrial robustness and adaptability, is a cornerstone of modern grain storage monitoring systems. By establishing wireless sensor networks, it enhances operational efficiency and safeguards national grain security. As technology evolves, its applications in smart agriculture will continue to expand.