
Model
| BlueTag TH30B/TH30R | Report | PDF/CSV |
Temperature Range | -30ºC~+70ºC (Internal sensor) -40ºC~+85ºC (External probe) | Humidity Range | 0-100%RH |
Temperature Accuracy | ±0.5ºC F.S. | Humidity Accuracy | ±3.0%RH (25ºC, 20~90%RH) ±5%RH (other) |
APP OS
| Android/IOS | Connection | Bluetooth 5.2 |
Temperature Units
| ºC, ºF | Start Delay | 0min ~72h |
Battery
| 2*Replaceable AAA batteries (TH30B) Rechargeable lithium battery (TH30R) | Logging Interval | 1min ~99min |
Installation
| Magnetic adsorption, hanging, folding stand | APP Language | Chinese, English |
Weight | TH30B: about 85g TH30R: about 90g | Memory Capacity | Max. 20,000 readings |
Screen Size
| 66mm*57mm*2mm | Product Dimension | 83mm*68mm*20.5mm |












Freshliance Electronics Co., Ltd, founded in 2015, is an ISO9000-certified enterprise, located in Hengfengkechuang Center, Zhengzhou Airport Economy Zone, China. Our company specializes in the field temperature and humidity data loggers, and environmental monitoring IOT systems for warehousing, shipping and other cold chain processes in different industries like the fruits and vegetables, food processing, seafood, life science, pharmaceutical, and logistics.
We have a professional and innovative R&D team for hardware and software. All of our products are designed and produced based on customer needs and requirements. And our IOT platform based on WIFI and 4G/5G communications with sensors equipped with Bluetooth, Lora, or RF, can provide the solution you expect.
With the tenet of "Focus on fresh and safe life only", we have had nearly 10 million temperature and humidity data loggers in use all over the world and have gained a good reputation for the high accuracy for time, temperature and humidity, especially for low temperature under -30ºC. We have an independent temperature and humidity verification environment to verify the long-term performance of products in different temperature and humidity environments; and our temperature and humidity data loggers have complied with CE, FDA, ROHS, EN12830 and RTCA/DO-160 standards. In addition to stable performance and compliance with safety regulations, our products are easy to operate, durable, and advanced in functionality.
In the future, our goal is to continuously provide our customers with more innovative, accurate, and higher-quality products, as well as excellent customer service and support.
OEM and ODM orders are welcome!





10 million pcs logger used by the customer all over the world
Independent laboratory in-house verifying product performance
Ultimate production ability ensured by actual data
Professional FDA CE EN12830 ROHS certificated
A wide range of loggers to meet your diverse needs
Cost-effective based on expertise quality
24/7 customer service for fast response and delivery
Private label, complete one-stop OEM service
ISO certifed manufacturer and quality assurance
FAQ
Q1: Can I place sample order first?
A1: Yes, we will quote you different prices for small, medium and large qty. You can order with different price for different qty.
Q2: How could I pay them?
A2: We offer multiple convenient payment options including PayPal, Western Union, and T/T. Simply let us know your preferred method, and we'll provide you with the necessary bank details to facilitate the payment. Tailored solutions are also available to meet your specific requirements.
Q3: How to place the order?
A3: Placing an order is seamless! You can email us your purchase order, connect via Trade Manager, or Skype. Alternatively, request a Proforma Invoice from us, and we'll guide you through the process.
Q4: How long can I get my order?
A4: For samples, we expedite production and shipping within 2-3 working days. Bulk orders typically take 5-20 working days, depending on your design specifications. Rest assured, we prioritize timely delivery.
Q5: How to send us the products?
A5: We rely on trusted carriers such as DHL, UPS, and FedEx to ensure your products are shipped securely and arrive promptly.
Q6: Can you customize according to our designs and put our logo on the products?
A6: Absolutely! We offer both standard and bespoke products, including logo customization. Our skilled R&D team is available to address technical queries, and we welcome ODM/OEM projects to meet your unique needs.