IntroductionFresh Tracker 20 4G real-time data logger is an ultra-compact transport data logger designed for medical transportation, especially vaccine transport boxes, thermal boxes and incubators, etc. The real-time temperature tracker supports real-time data tracking and alerts, with breakpoint resume ensuring no data loss during offline mode and illumination intensity sensing function optional to detect the door open/close status. With a rechargeable and replaceable battery, it also combines sustainability with operational flexibility.Features89mm*59mm*21mm slim design, perfectly embedded in the thermal boxes and incubatorsReal-time data monitoring via APP and cloud platform, with API service optionalRemote SMS, email and APP push alerts, enabling rapid interventionGeolocation mapping based on LBS/GPS/WiFi positioningBluetooth printing function for on-site audit reportMulti-level administration access optional for data privacy and centralized managementDetailed FeaturesSlim Design: 89mm*59mm*21mm, engineered for seamless integration into confined spaces in cold chain transportation and logistics.Real-time Data Monitoring: User-friendly APP and cloud platform for real-time visibility into temperature, humidity, geolocation, light, and vibration. Supports breakpoint resume and offline data logging with re-upload after network restoration. API service available for integration with management systems.Multi-channel Alerts: Immediate notifications via SMS, email, or APP push for environmental deviations, allowing rapid intervention and risk reduction.Geolocation Mapping: LBS/GPS/WiFi positioning for real-time and historical travel path monitoring, enhancing supply chain visibility and security.Bluetooth Printing: Built-in Bluetooth for direct printing of compliance reports via dedicated printer, simplifying handover procedures.Multi-level Administration: Optional hierarchical access for cloud platform, enabling customized roles and permissions for centralized management and data privacy.SpecificationsModelFresh Tracker 20Fresh Tracker 20-ETUBuilt-in Sensor-30°C~+70°C; ±0.5°C F.S.0~100%RH; ±3.0%RH (25°C, 20%RH~90%RH), ±5%RH (Others)External Probe OptionalSee the external probe listOptional Sensorsillumination/ShockAlarm RangeUser configurable (Default: 2-8°C)Logging IntervalUser configurable (Default: 10 minutes)Uploading IntervalUser configurable (Default: 60 minutes)Memory CapacityMax. 30,000 readings each probeTemperature Units°C/°FLocal Report OptionalUSB Type-C interface to download trip reportFlight ModeConfigurable as neededOperation SystemWeb, APPCellular Network4G (LTE_Cat1)/2GPositioning TechnologyLBS positioning, GPS and WiFi positioning optionalBattery LifeMax. 120 daysBattery3000mAh 3.7V lithium battery, rechargeable and replaceable, Type-C DC 5V/2A, UN38.3 compliedInstallationWall mountingDimensions89mm*59mm*21mmWeight123g (Main device)External Probe List:Probe TypeMeasuring RangeMeasuring AccuracyTemperature Probe-30°C~+70°C±0.5°C (-30°C~+50°C)±1.0°C (Other)-90°C~+200°C±0.3°C (-40°C~+100°C)±0.5°C (-80°C~-40°C; +100°C~+150°C)±1.0°C (Other)-196°C~+200°C±0.5°C (-100°C~+80°C)±1.0°C (Other)Temperature and Humidity Probe-40°C~+85°C±0.5°C F.S.0-100%RH±3%RH (25°C, 20%~90%RH)±5%RH (Other)Standard cable length: 2m; Customizable length available: 5m, 10m, 15m or 20m.ApplicationsFresh Tracker 20 real-time temperature and humidity data logger is suitable for the transport and logistics of pharmaceuticals, vaccines, lab samples, diagnostic kits, clinical trial materials and other sensitive products. Fresh Tracker 20 4G data logger is a good guardian in the medical transport to safeguard product quality and efficacy and strict compliance with standards.Model: Fresh Tracker 20Built-in Sensor: -30°C~+70°C; ±0.5°C F.S.; 0~100%RH; ±3.0%RH (25°C, 20%RH~90%RH), ±5%RH (Others)External Probe: Optional, see listOptional Sensors: illumination/ShockAlarm Range: User configurable (Default: 2-8°C)Logging Interval: User configurable (Default: 10 minutes)Uploading Interval: User configurable (Default: 60 minutes)Memory Capacity: Max. 30,000 readings each probeTemperature Units: °C/°FLocal Report: USB Type-C interfaceFlight Mode: ConfigurableOperation System: Web, APPCellular Network: 4G (LTE_Cat1)/2GPositioning Technology: LBS, GPS, WiFiBattery Life: Max. 120 daysBattery: 3000mAh 3.7V lithium, rechargeable/replaceableInstallation: Wall mountingDimensions: 89mm*59mm*21mmWeight: 123g