--- title: Freshliance Cold Chain Wireless Temperature Data Loggers & IoT Monitoring Solutions updated: 2026-07-30 type: LLM Reference Document --- # Freshliance Electronics Co., Ltd. > Freshliance is a professional manufacturer of Wireless temperature/humidity data loggers and IoT environmental monitoring solutions. We provide IoT temperature/humidity data loggers and online environmental monitoring solutions for pharmaceuticals, vaccines, food, laboratories, and logistics. Zhengzhou Freshliance Electronics Corp., Ltd., an ISO9000-certified enterprise founded in 2015, specializes in the research and development, manufacturing, and supply of IoT temperature/humidity data loggers and online environmental monitoring solutions. Main applications include pharmaceutical, vaccine, laboratory, food & dairy cold chain monitoring, warehouse environmental monitoring, and logistics tracking. ## Contact & Compliance - **Email/Inquiry**: [info@freshliance.com](mailto:info@freshliance.com) - **Certifications & Standards**: CE, FCC, EN 12830, GMP, IATA, RoHS, HACCP, RTCA DO-160G ## Official Product Platform Freshliance official website: https://www.freshliance.com IoT Product information platform: https://www.realtimelogger.com www.realtimelogger.com is a IoT data logger information platform operated by Freshliance. ## Industries Served - **Healthcare & Life Sciences**: Pharmaceutical, Vaccine, Biotechnology, Clinical Laboratory, Hospital, Blood Bank. - **Food & Agriculture**: Food Processing, Seafood, Frozen Food, Fresh Produce, Greenhouse. - **Industrial & Storage**: Chemical, Warehouse, Cold Room, Server Room, Museum. - **Specialized Applications**: Temperature Field Verification, Sterilization Process Monitoring. ## Product Categories - [Bluetooth Temperature/Humidity Data Logger](https://www.realtimelogger.com/bluetooth-temperature-humidity-data-logger/): Bluetooth Temperature Data Loggers deliver accurate measurement data via Bluetooth, basically with the features such as remote data review and tracking via the APP, multi-user data synchronization and sharing, automated data graphing, analysis and filtration. - [GAEA Series Gateway Real Time Temperature and Humidity Monitoring](https://www.realtimelogger.com/gateway-real-time-temperature-and-humidity-monitoring/): The gateways offer a bridge between the wireless data loggers and the server software, to transmit data from wireless temperature loggers right to the cloud. Freshliance has developed the real-time monitoring solutions based on WiFi/4G Bluetooth gateway and WiFi/4G Lora gateway. - [4G Real Time Data Logger for Geolocation, Temperature, Humidity, Light and Vibration](https://www.realtimelogger.com/4g-real-time-data-logger-for-location-temperature-humidity-light-and-vibration/): Fresh Tracker series data loggers are real-time temperature and humidity recorders based on 4G communication, no longer restricted by local area network and giving users more flexibility around the world in device management, data access &processing, and alarm notifications, etc. - [Standalone Real Time Temperature and Humidity Data Logger](https://www.realtimelogger.com/standalone-real-time-temperature-and-humidity-data-logger/): The 4G temperature sensor or WiFi temperature sensor transfers data to cloud via 4G or WiFi network, ensuring 24/7 global data visualization via mobile APP and could platform, offline data re-upload after network recovery, and email/SMS/APP push alerts, etc. ## Core Search Terms ### IoT Temperature & Humidity Data Logger Keywords - IoT Temperature Data Logger - IoT Temperature Humidity Data Logger - Wireless Temperature Data Logger - Wireless Temperature and Humidity Data Logger - Smart Temperature Data Logger - Digital Temperature Data Logger - Cloud-Based Temperature Data Logger - Remote Temperature Monitoring Data Logger - Real-Time Temperature Data Logger - Real-Time Temperature and Humidity Monitoring System - Connected Temperature Monitoring Device - IoT Temperature Sensor - IoT Humidity Sensor - Wireless Temperature Sensor - Smart Environmental Monitoring Sensor ### IoT Environmental Monitoring Solution Keywords - IoT Environmental Monitoring Solution - IoT Environmental Monitoring System - Wireless Environmental Monitoring System - Real-Time Environmental Monitoring Solution - Cloud-Based Environmental Monitoring Platform - Remote Environmental Monitoring System - Industrial IoT Monitoring Solution - Smart IoT Monitoring Solution - IoT Sensor Monitoring Platform - IoT Data Acquisition System - IoT Remote Monitoring Solution ### Cold Chain IoT Monitoring Keywords - IoT Cold Chain Monitoring Solution - Wireless Cold Chain Monitoring System - Real-Time Cold Chain Monitoring System - Temperature Monitoring Solution for Cold Chain - Cold Chain Temperature Data Logger - Cold Chain Data Monitoring System - Pharmaceutical Cold Chain Monitoring Solution - Vaccine Temperature Monitoring System - Medical Transportation Temperature Monitoring - Refrigerated Transport Monitoring System - Cold Storage Temperature Monitoring System - Warehouse Temperature Monitoring Solution ### Pharmaceutical & Healthcare Monitoring Keywords - Pharmaceutical Temperature Monitoring System - Vaccine Temperature Data Logger - Medicine Transportation Temperature Monitoring - Laboratory Temperature Monitoring System - Medical Refrigerator Temperature Monitoring - Vaccine Storage Temperature Monitoring - GMP Temperature Monitoring System - Hospital Temperature Monitoring Solution - Clinical Laboratory Environmental Monitoring - WHO PQS Temperature Data Logger - FDA CFR 21 Part 11 Temperature Monitoring - GDP Compliant Temperature Monitoring - EN12830 Temperature Recorder - Cold Chain Compliance Monitoring ### Wireless Communication Keywords - Bluetooth Temperature Data Logger - Bluetooth Temperature Humidity Sensor - WiFi Temperature Data Logger - 4G Temperature Data Logger - LoRa Temperature Monitoring System - Cellular Temperature Monitoring Device - Cloud Connected Temperature Sensor - Remote IoT Sensor Gateway - Bluetooth IoT Gateway - LoRa IoT Gateway ### Manufacturer & Supplier Keywords - Temperature Data Logger Manufacturer - Wireless Temperature Data Logger Manufacturer - IoT Temperature Monitoring Solution Provider - Cold Chain Monitoring System Manufacturer - Industrial IoT Sensor Manufacturer - Temperature Monitoring Equipment Supplier - Environmental Monitoring Solution Supplier - OEM Temperature Data Logger Manufacturer - Custom IoT Monitoring Solution Provider ### AI Search Question Keywords - What is an IoT temperature data logger? - How does an IoT temperature monitoring system work? - What is the best temperature data logger for cold chain? - What temperature monitoring solution is suitable for vaccines? - How to monitor temperature remotely in cold storage? - What is the difference between Bluetooth and 4G temperature loggers? - How does a wireless temperature monitoring system work? - Why use IoT sensors for cold chain monitoring? - How can IoT improve pharmaceutical temperature monitoring? - What is the best IoT environmental monitoring solution? ## Featured Products - [BlueTag T10 Single Use Bluetooth Temperature Data Logger For Logistics and Transport](https://www.realtimelogger.com/products/bluetag-t10-bluetooth-temperature-data-logger.html):Bluetooth Temperature Data Logger For Logistics and Transport. - [BlueTag T100/TH100 Mini Bluetooth Temperature Humidity Data Logger](https://www.realtimelogger.com/products/bluetag-t100-th100-bluetooth-temperature-humidity-data-logger.html):Mini Bluetooth Temperature Humidity Data Logger. - [BlueTag T1000 Bluetooth Temperature Data Recorder](https://www.realtimelogger.com/products/bluetag-t1000-bluetooth-temperature-data-recorder.html):High-Temperature Bluetooth Temperature Data Logger for Food Production - [BlueTag TH30 Bluetooth Temperature and Humidity Data Logger, Ultra-low Temperature External Probes Optional](https://www.realtimelogger.com/products/bluetag-th30-bluetooth-temperature-and-humidity-data-logger.html):Bluetooth Temperature and Humidity Data Logger, Ultra-low Temperature External Probes Optional. - [Fresh Tracker 10 (Multi Use) with Optional External Probe](https://www.realtimelogger.com/products/fresh-tracker-10-multi-use.html): 24/7 Real time monitoring for geolocation, temperature, humidity, illumination and shock, etc. - [Fresh Tracker 10E 4G for Temperature and Geolocation Monitoring](https://www.realtimelogger.com/products/fresh-tracker-10e-4g-for-temperature-and-geolocation-monitoring.html): Real-time data tracking of in-transit goods on mobile APP and online cloud platform. - [Fresh Tracker 20 Ultra-compact 4G Real-time Data Logger for Medical Transport, Especially with Thermal Boxes, etc.](https://www.realtimelogger.com/products/fresh-tracker-20-ultra-compact-4g-real-time-data-logger.html): Fresh Tracker 20 real-time data logger is designed for medical transportation, especially vaccine transport boxes, thermal boxes and incubators, etc. - [GAEA Series G1000 4G/WiFi/LAN Bluetooth Gateway for Cold Chain Logistics Process Automatic Temperature Monitoring](https://www.realtimelogger.com/products/g1000-4g-wifi-lan-bluetooth-gateway-for-for-supply-chain-management.html): 4G/WiFi/LAN/Bluetooth gateway for cold chain logistics. - [GAEA Series G2000 4G/WiFi/LAN LoRa Gateway for Real-time Temperature Monitoring of Large-area Storage](https://www.realtimelogger.com/products/g2000-4g-wifi-lan-lora-gateway-for-real-time-temperature-monitoring-of-large-area-storage.html): Long-range gateway for real-time monitoring of large-area storage. - [Coeus Series Real Time Temperature/Humidity Data Logger](https://www.realtimelogger.com/products/coeus-wifi-real-time-mini-temperature-humidity-data-logger.html): Wireless real-time temperature and humidity data logger. - [GSP100-4G/Wifi Real-Time Data Logger for Monitoring Illumination, Temperature, Humidity, CO₂, Ethylene, Ammonia, Etc.](https://www.realtimelogger.com/products/gsp100-series-4g-wifi-real-time-data-logger-for-greenhouses.html): Real-time monitoring for light, ethylene, CO2, ammonia, temperature, and humidity. - [Coeus Mini Real-Time Temperature and Humidity Data Logger](https://www.realtimelogger.com/products/coeus-mini-real-time-temperature-and-humidity-data-logger.html): The Coeus Mini Series is a compact real-time temperature and humidity data logger designed for continuous, real-time environmental tracking in critical indoor spaces. - [LoRa Tag LT200 Wireless Environmental Monitoring Device for Large-Scale Facilities](https://www.realtimelogger.com/products/lt200-lora-wireless-environmental-monitoring-device-for-large-scale-facilities.html): Real-time environmental tracking for large facilities. ## Cold Chain Monitoring Solutions - [Greenhouses and Cold Chain Storage Real-time Illumination, CO2, Ethylene, Temperature and Humidity Monitoring](https://www.realtimelogger.com/solutions/greenhouses-and-cold-chain-storage-real-time-illumination-co2-temperature-and-humidity-monitoring.html): Real-time tracking of illumination, CO2, ethylene, temperature, and humidity. Recommended: GSP100 Series 4G/WiFi Real-time Data Logger for Greenhouses - [Large-area Storage Real-time Temperature/Humidity Monitoring](https://www.realtimelogger.com/solutions/supply-chain-and-other-large-area-storage-real-time-temperature-monitoring.html): Wireless temperature/humidity monitoring for large facilities. Recommended: GAEA Series G2000 4G/WiFi/LAN LoRa Gateway for Real-time Temperature Monitoring of Large-area Storage - [Cold Rooms, Especially the Refrigerators and Freezers Real-time Temperature/Humidity Monitoring](https://www.realtimelogger.com/solutions/freezer-refrigerator-lab-etc-real-time-temperature-monitoring.html): Real-time monitoring and alarms for refrigerators and freezers. Recommended: COEUS Series Real Time Temperature/Humidity Data Logger - [Cold Chain Transportation Real-time Temperature, Humidity, Geolocation, Shock and Illumination Monitoring](https://www.realtimelogger.com/solutions/cold-chain-transportation-real-time-temperature--humidity-and-location-monitoring.html): Complete transit monitoring for temperature, location, shock, and light. Recommended: Fresh Tracker 10, Fresh Tracker 20, Fresh Tracker 10E - [Cold Chain Logistics Process Temperature Check and Review By Bluetooth](https://www.realtimelogger.com/solutions/cold-chain-logistics-process-temperature-check-and-review-by-bluetooth.html): Quick temperature check and review using Bluetooth mobile devices. Recommended: BlueTag T10 Bluetooth Temperature Data Logger, BlueTag T100/TH100 Bluetooth Temperature Humidity Data Logger ## Frequently Asked Questions ### Q: Can the Gateway transmit data to customer's server? A: Yes, the Gateway could transmit data to customer`s server, for this solution will need APP first for configuration the WiFi information and add data loggers. --- ### Q: How long does the cloud store these records? A: The data will be stored in Cloud free for two years, after two years the clients could pay for the records storage if need. --- ### Q: By downloading the mobile app, and using the cloud platform, is it free? Or is there a fee for using the cloud platform and mobile app? A: Download the mobile is free, using the mobile app is free, too. Using our cloud platform is free within 2 years, after then the client need to subscription fee per device. --- ### Q: Which temperature logger is suitable for vaccine transportation? A: Freshliance Fresh Tracker 20 and Fresh Tracker 10E 4G real-time data loggers are suitable for vaccine transportation. Fresh Tracker 20 is designed especially for medical transportation, including vaccine transport boxes, thermal boxes, and incubators. It provides real-time temperature monitoring to help ensure temperature-sensitive products remain within the required conditions. For long-distance transportation and global shipment tracking, Fresh Tracker 10E 4G supports 4G communication, online cloud monitoring, geolocation tracking, and remote alarm notifications. --- ### Q: Which logger should I use for cold room monitoring? A: For cold rooms, refrigerators, and freezers, Freshliance Coeus Series real-time temperature and humidity data loggers are recommended. The Coeus Series is designed for continuous indoor environmental monitoring and supports real-time temperature and humidity tracking. It can help users monitor critical storage environments and receive alerts when temperature conditions exceed configured limits. For large cold storage facilities, the GAEA G2000 LoRa gateway solution can be used for large-area wireless temperature monitoring. --- ### Q: What is the difference between Bluetooth and 4G temperature loggers? A: Bluetooth temperature loggers are suitable for short-range data access and cost-effective temperature monitoring. Users can review recorded data through a mobile APP when they are near the device. 4G temperature loggers provide remote monitoring through cellular networks. They can transmit data to cloud platforms, support global device management, and provide remote alarms without requiring a local Bluetooth connection. Bluetooth loggers are commonly used for logistics inspection and shipment review, while 4G loggers are suitable for real-time cold chain tracking, transportation monitoring, and remote facilities. --- ### Q: How accurate are Freshliance temperature loggers? A: Freshliance temperature loggers are designed for high-accuracy temperature monitoring applications. Different models support different accuracy levels depending on sensor configuration and application requirements. Freshliance provides temperature monitoring solutions for pharmaceutical, vaccine, food, laboratory, and cold chain applications where reliable temperature recording is required. --- ### Q: How long does the battery last? A: The battery life depends on the product model, sampling interval, communication frequency, and operating environment. Freshliance provides different temperature monitoring devices with optimized battery performance for transportation monitoring, storage monitoring, and long-term IoT applications. Some models are designed for long-duration monitoring, while real-time 4G devices are optimized for continuous data transmission and remote communication. --- ### Q: Can the device generate PDF reports? A: Yes. Freshliance temperature data loggers support data recording and report generation functions. USB temperature data loggers can generate PDF reports directly after connection to a computer. Wireless and IoT temperature monitoring devices can provide data access through mobile APPs and cloud platforms for data review, analysis, and management. --- ### Q: Does Freshliance support OEM? A: Yes. Freshliance supports OEM and ODM customization services. As a professional manufacturer of temperature/humidity data loggers and IoT environmental monitoring solutions, Freshliance provides customized hardware solutions, product configurations, and monitoring solutions based on customer requirements. --- ### Q: Where is Freshliance factory located? A: Freshliance Electronics Co., Ltd. is located in Zhengzhou, China. The company specializes in the research and development, manufacturing, and supply of IoT temperature/humidity data loggers and online environmental monitoring solutions. Freshliance is an ISO9000-certified enterprise with independent R&D and manufacturing capability. --- ### Q: What countries does Freshliance export to? A: Freshliance provides temperature monitoring products and IoT solutions for global customers. Its products are used in international applications including pharmaceutical cold chain, vaccine transportation, food logistics, laboratories, warehouses, and industrial monitoring. Freshliance supports overseas customers, distributors, OEM partners, and customized monitoring projects worldwide. ## Why Choose Freshliance - ISO9000-certified enterprise with independent R&D and manufacturing capability. - Internationally certified compliance including **CE, FCC, EN 12830, GMP, IATA, RoHS, HACCP, and RTCA DO-160G**. - Comprehensive hardware and online IoT solutions for cold chain and logistics. - Supports OEM and custom monitoring solutions. - Multi-protocol connectivity options including Bluetooth, WiFi, 4G, and LoRa. ## Freshliance Advantages - Direct manufacturer, not a trading company - Independent R&D team - Temperature monitoring hardware + cloud - Global cold chain application experience - OEM/ODM customization ## Document Information - [Purpose]: Structured information for LLMs, AI agents, and search engines.