replaceable battery bluetooth temperature data logger tempRH sensor logger

 Bluetooth temperature data logger with replaceable battery--BT05
Product overview TZ-BT05 is a low power consumption Bluetooth data logger, using the latest Bluetooth 4.0 technology, Nordic N51822 chip development and design, through Bluetooth 4.0 collecting the surrounding environment temperature, and recording and preservation of historical data, can store up to 15,000 pieces temperature data, Bluetooth 4.0 can be downloaded over the phone APP configuration tools,to achieve full stage real-time temperature recording. It has the small size, light weight, easy to carry, high accuracy and other characteristics, widely used in various other areas of refrigerated storage and transport, archives, experimental (test) rooms, museums and other temperature testing.
   Product application 1. Refrigerated storage and transportation; 2. Archives; 3. Experimental (test) rooms; 4. Workshop; 5. Museums; 6. Pharmaceutical environment; 7. Fresh transport.
   Features  1. Real-time display of parameters; 2. The high precision and high stability; 3. Bluetooth 4.0; 4. The long-distance wireless communication; 5. Built-in high sensitivity temperature sensor; 6. Can store 15,000 temperature data; 7. You can set the alarm temperature range; 8. The temperature graph can be automatically generated in the APP
 Product specification  

Project	Features
Signal transmission frequency	2.400 - 2.4835GHz
Protocol standard	Bluetooth 4.0
Modulation mode	GFSK
Transmission interval	2s ,changeable
Built in battery	CR2450
Maximum transmission distance	30 meters,adjustable
Service life	1 year (depends on working mode,can replace battery)
Net weight	25g
Outline size	50mm*35mm*15mm
Temperature detection range	-20℃~+60℃
Temperature detection accuracy	±1℃
Storge	256K,Can storge 15000pcs data

    Detailed image of BT05 has button and led light for switch on /off        App screenshot :   Factory pictures :