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BEIBOZhengzhou Beibo Electronics

System 01

Multi-Parameter Grain Temperature Monitoring

Know storage conditions at every point. A configured system for grain temperature, air temperature and humidity across flat warehouses, shallow circular silos and vertical silos.

Measurement

Published measurement ranges

Ranges and accuracies as stated in the 2026 product catalog. Final configuration is specified per project.

  • −40 to 60 °CAir-temperature measurement range
  • ±0.5 °CTemperature measurement accuracy
  • 10–99% RHAir-humidity measurement range
  • ±3% RHHumidity measurement accuracy
  • 512Temperature sensors per controller
  • 6Humidity sensors per controller
  • IP68Temperature cable protection rating
  • 300 kgHDPE cable sheath tensile strength

Digital temperature and humidity sensing can be configured around the storage layout. 304 stainless steel enclosures and a Zone 21 dust-atmosphere option are available.

Communications

Wired or wireless, central or remote

Communications can be configured as wired RS-485, Ethernet, or wireless, depending on the site and the retrofit constraints.

The system supports central control rooms, local workstations and remote terminals, so a depot group can supervise several sites from one place.

  • Wired RS-485 or Ethernet
  • Wireless in-bin temperature monitoring for retrofits
  • Central control room, local workstation and remote terminal access
  • Replaceable-core cable option for shallow circular silos
Diagram showing sensors in a silo and warehouse connected to a local workstation, network switch and remote terminal
Field hardware

Monitoring components

Field hardware is selected for the grain-storage structure and the operating environment.

Pest & gas detection

Typical gas-monitoring ranges

Sampling-based configurations can combine pest, gas, temperature and humidity detection in a modular field system.

  • 0–2,000 ppmPH₃ · ±3% F.S.
  • 0–30% Vol.O₂ · ±1% Vol.
  • 0–50,000 ppmCO₂ · ±5% F.S.
  • AI-assistedInsect species identification from in-bin images
Grain-surface inspection robot inside a storage bin
Inspection

Inspect without entering the grain

A mobile in-bin device performs grain-surface temperature measurement, gas detection, grain sampling and video monitoring, so personnel do not have to enter high-risk bins.

  • Grain-surface temperature
  • Gas detection
  • Grain sampling
  • Video monitoring

Tell us about your depot

Send us your storage type, capacity and existing equipment. Our engineers will come back with a system configuration and an outline proposal.