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Manufacturer and global supplier
of temperature data-collecting
devices used for documenting
products throughout the cold
chain. ISO 9001:2008 certified.


Cold Chain Solutions

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•Bluetooth Temperature & Humidity Logger

EDL-BT04RH Temperature and Humidity Logger

Our Multi-use Temperature and Humidity Logger withBluetooth connectivity.

The EDL-BT04 is a power-saving wireless temperature and RH data logger, using the latest Bluetooth 4.0 technology. This device uses a state-of-the-art Nordic N51822 chip design. Now collect temperature and RH measurement values on your Android phone and email data files anywhere in the world. Up to 15,000 data points can be captured, stored and analyzed.

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With our mobile phone APP, the user can wirelessly download the data through the GPRS network and use configuration tools to download a full-stage real-time temperature and humidity graph. The small footprint, and light weight makes it ideal for temperature testing and mapping environmental conditions.

Memory 256k Temperature and Relative Humidity
Storage Up to 15,000 data points
Temperature Range -40° C to +125° C / -40° F to +257° F
Temperature Accuracy ±0.3° C / ±0.54° F
Humidity Detection Range 0% to 100% RH
Humidity Detection Accuracy ±3.0% RH
Signal Frequency Transmission 2.400 - 2.4835 GHztd>
Protocol Bluetooth 4.0
Modulation Mode GFSK
Transmission Interval 10S-24H Continuous setting
Communication Rate 1 Mbps
Receiving Sensitivity 1 Mbps @ -93 bm
Maximum Transmission Distance 25 meters, adjustable
Internal Battery 600 mAh / 3V
Battery Life 1 year. (Depends on mode of operation. Replaceable battery)
Net Weight 30 g
Dimension 50 mm X 50 mm x 20 mm



For more information:

Download a PDF of the EDL-BT04 Product Brief.

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   rev. Feb-06-2017