Blue Tag TH20 Bluetooth HACCP Temperature and Humidity Data Logger
Introducing the Blue Tag TH20, an intelligent Bluetooth HACCP temperature and humidity data logger by Zhengzhou Freshliance Electronics Corp., Ltd. This innovative Bluetooth temperature recorder offers high resolution temperature ranges from -30ºC to +70ºC, with up to 65000 readings and a real-time temperature and humidity display. Widely used in various industries to monitor environmental temperature, this HACCP temperature sensor ensures accurate data collection.
With the Bluetooth App software provided by our company, setting various parameters of the product is quick and precise. Simply connect via Bluetooth through the app on your phone to access temperature data effortlessly. The Bluetooth temperature monitor is CE, CE-RED certified, and compliant with EN12830 for the transportation, storage, and distribution of food, ensuring quality and safety.

Model | BlueTag TH20 | Memory Capacity | 65000 readings |
Shelf Life | 1 year | Start Delay | 0 minute-72 hours |
Operating Life | 200 days | Logging Interval | 1 minute-99 minutes |
Wireless Connection | Bluetooth 5.2, NFC (optional) | Battery | 3.0V CR2032 lithium battery |
APP Language | English, Chinese | APP OS | Android |
Temperature Unit | ºC, ºF | Report Format | PDF & CSV |
Temperature Range | -30ºC~+70ºC | Temperature Accuracy | ±0.5ºC at full range (-30ºC to +70ºC) |
Humidity Range | 0~100%RH | Humidity Accuracy | ±3.0%RH |
Weight | 36.5g | Dimension | 62mm*47mm*13mm |
Installation | 3M stickers, magnetic | Certification | CE, CE-RED, EN12830 |


About Us
Zhengzhou Freshliance Electronics Corp., Ltd
Founded in 2015, Freshliance Electronics is an ISO9000-certified enterprise based in China. We specialize in temperature and humidity data loggers, and environmental monitoring IOT systems for various industries.
Our professional R&D team ensures that all products are tailored to customer needs. Our IOT platform, utilizing WIFI and 4G/5G communications, along with sensors equipped with Bluetooth, Lora, or RF, provides the solutions you require.
With a focus on fresh and safe life, we have nearly 10 million data loggers in use worldwide, known for high accuracy even in temperatures below -30ºC. Our products comply with CE, FDA, ROHS, EN12830, and RTCA/DO-160 standards, offering stability, safety, ease of use, durability, and advanced functionality.
Our commitment is to continuously deliver innovative, accurate, and high-quality products, along with exceptional customer service. OEM and ODM orders are welcome!





Why Choose Zhengzhou Freshliance Electronics Corp., Ltd
- 10 million pcs logger used by customers worldwide
- Independent laboratory for product performance verification
- Ultimate production ability backed by actual data
- Professional FDA, CE, EN12830, and ROHS certifications
- Wide range of loggers to meet diverse needs
- Cost-effective with expertise quality
- 24/7 customer service for fast response and delivery
- Private label and complete one-stop OEM service
- ISO certified manufacturer with quality assurance
Welcome to Zhengzhou Freshliance Electronics Corp., Ltd
Product Features:
- Customizable orders for small, medium, and large quantities
- Accepted payment methods: PayPal, Western Union, and T/T
- Fast production and shipping times for both samples and bulk orders
- Shipping options include DHL, UPS, and FedEx
- Support for customized designs and logo placement
Benefits:
- Convenient ordering process via email, Trade Manager, or Skype
- Quick turnaround time for sample orders within 2-3 working days
- Experienced R&D team for technical support and customization
- ODM/OEM services available for tailored products