

Introduction
The Series F20 sensor leverages the power of nine integrated sensors, each designed to monitor specific parameters crucial for maintaining the optimal conditions of shipments. These sensors include:
Number of sensors consist in Series F20

01
Temperature Sensor
Measures the ambient temperature within the reefer to ensure that goods are kept at the correct temperature to prevent spoilage or damage

01
Temperature Sensor
Measures the ambient temperature within the reefer to ensure that goods are kept at the correct temperature to prevent spoilage or damage

02
Humidity Sensor
Monitors the moisture levels in the air inside the reefer to ensure that conditions remain within the optimal range for the stored goods.

02
Humidity Sensor
Monitors the moisture levels in the air inside the reefer to ensure that conditions remain within the optimal range for the stored goods.

03
Vibration Sensor
Detects and records vibrations that could indicate rough handling, which may cause damage to sensitive goods

03
Vibration Sensor
Detects and records vibrations that could indicate rough handling, which may cause damage to sensitive goods

04
Light Sensor
Monitors light exposure inside the reefer to detect any unauthorized opening of the container that could compromise the security of the shipment

04
Light Sensor
Monitors light exposure inside the reefer to detect any unauthorized opening of the container that could compromise the security of the shipment

05
Pressure Sensor
Measures atmospheric pressure inside the reefer to ensure that conditions remain stable and do not affect the integrity of the shipment

05
Pressure Sensor
Measures atmospheric pressure inside the reefer to ensure that conditions remain stable and do not affect the integrity of the shipment

06
Motion Sensor
Detects movement within the reefer to monitor any unauthorized access or movement of goods that could indicate tampering or theft

06
Motion Sensor
Detects movement within the reefer to monitor any unauthorized access or movement of goods that could indicate tampering or theft

07
Proximity Sensor
Detects the presence of objects or persons near the reefer doors, providing alerts for potential unauthorized access

07
Proximity Sensor
Detects the presence of objects or persons near the reefer doors, providing alerts for potential unauthorized access

08
GPS Tracker
Provides real-time location updates, tracking the longitude and latitude of the shipment to facilitate planning and logistics management

08
GPS Tracker
Provides real-time location updates, tracking the longitude and latitude of the shipment to facilitate planning and logistics management

09
Shock Sensor
Detects sudden shocks or impacts that could damage the goods, allowing for immediate action to mitigate any potential harm.

09
Shock Sensor
Detects sudden shocks or impacts that could damage the goods, allowing for immediate action to mitigate any potential harm.
Sensor Specifications
Temperature Sensor Specifications
Temperature Sensor Specifications
Range: -40°C to +85°C (-40°F to +185°F) Accuracy: ±0.5°C
Humidity Sensor Specifications
Humidity Sensor Specifications
Range: 0% to 100% RH Accuracy: ±2% RH
Shock Sensor Specifications
Shock Sensor Specifications
Sensitivity: 2g to 16g Accuracy: ±0.5g
Light Sensor Specifications
Light Sensor Specifications
Detection Range: 0 to 100,000 lux Accuracy: ±5%
Tilt Sensor Specifications
Tilt Sensor Specifications
Range: ±90 degrees Accuracy: ±1 degree
Pressure Sensor Specifications
Pressure Sensor Specifications
Range: 300 hPa to 1100 hPa Accuracy: ±1 hPa
GPS Location Sensor Specifications
GPS Location Sensor Specifications
Accuracy: ±2.5 meters (open sky) Update Rate: 1 Hz
Motion Sensor Specifications
Motion Sensor Specifications
Range: ±2g to ±16g Accuracy: ±0.1g
Battery Status Sensor
Battery Status Sensor
Battery Life: Up to 6 months (depending on usage) Low Battery Alert: Yes
Connectivity
Connectivity
Cellular Connectivity: GSM, LTE Frequency Bands: Quad-band (850/900/1800/1900 MHz) Data Transmission: Real-time data transmission to the Hefson Timeline Platform
Power Specifications
Power Specifications
Battery Type: Rechargeable lithium-ion battery Battery Capacity: 5000 mAh Battery Life: Up to 6 months (under normal usage conditions) Charging Time: 4-6 hours
Physical Specifications
Physical Specifications
Dimensions: 120 mm x 80 mm x 40 mm (L x W x H) Weight: 200 grams Enclosure Material: Industrial-grade plastic IP Rating: IP67 (dustproof and waterproof)
Environmental Specifications
Environmental Specifications
Operating Temperature: -40°C to +85°C (-40°F to +185°F) Storage Temperature: -40°C to +85°C (-40°F to +185°F) Operating Humidity: 0% to 95% RH (non-condensing)
Sotware and Integration
Sotware and Integration
Platform: Hefson Timeline Platform Data Access: Real-time data via web interface and mobile app Alerts and Notifications: Customizable thresholds for temperature, humidity, shock, and other parameters; alerts via email, SMS, and platform notifications APIs: Available for integration with existing logistics and supply chain management systems
Compliance and Certifications
Compliance and Certifications
Certifications: CE, FCC, RoHS Compliance: ISO 9001, ISO 14001
Warranty
Warranty
Warranty Period: 1 year Coverage: Manufacturing defects and hardware malfunctions
Innovating the Future with Cutting-Edge Technologies.

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© Hefson 2025
Innovating the Future with Cutting-Edge Technologies.

Let’s start a conversation
Let’s connect and unlock endless possibilities — we’re here to innovate together!
© Hefson 2025
Innovating the Future with Cutting-Edge Technologies.

Let’s start a conversation
Let’s connect and unlock endless possibilities — we’re here to innovate together!