Key Value

• Real-time temperature monitoring 
• Enables cold chain compliance 
• Reduces spoilage and product loss 
• Supports multi-zone tracking 

How It Works

• Uses DS18B20 sensor (digital temperature probe) 
• Communicates via 1-Wire interface through M8 cable 
• Data is transmitted through TT603 to Geotab 

Wiring:

• Yellow → Data (1-Wire) 
• Black → Ground 

Technical Highlights

• Accuracy: ±0.5°C (-10 to 85°C) 
• Resolution: 12-bit 
• Operating temp: -40°C to +85°C 
• Cable length: 20m 

Best for:

• Refrigerated trailers (reefers) 
• Food & beverage logistics 
• Pharma / sensitive goods