Compact, Wireless with All-in-One Temperature-Humidity Sensor and Extended Battery Life

Compact Wireless Logger for Measuring Temperature and Humidity with Extended Battery Life


RTR500B Series
Channels Temperature 1ch, Humidity 1ch
Range Temperature: 0 to 55°C
Humidity: 10 to 95%RH
Optical, Short Range Wireless, Bluetooth 4.2 (Bluetooth Low Energy)



The RTR500B series allows you to mix and match an array of wireless radio communication loggers with various Base Units or Data Collectors to meet your needs. Logged data can be automatically sent via network or mobile communication to be saved in cloud storage or to a specified location.

The all-in-one sensor for RTR503BL has a temperature measurement range of 0-55℃ and can measure humidity from 10 to 95%RH, plus you get an extended battery life of up to 4 years. (Battery Not Included)

Note: The RTR500B series is the new generation model of our RTR-500 series.

Compatibility Info for RTR500B and RTR-500 Series
RTR-500 Series Discontinued Models

Special Features


RTR503BL loggers have a wireless radio communication range with compatible base units of up to 150m (500ft).

Data can be transmitted from a logger to a base unit and then automatically uploaded to cloud storage or saved to a specified location. Data can also be checked on your PC screen or on site with one of our compatible data collectors.

The RTR503BL with its wireless radio communication capabilities is perfect for applications where temperature and humidity at various measurement points are managed at once, such as in temperature-controlled storage facilities and warehouses.

The large capacity battery (not included) reduces the risk of data loss and lessens the troubles of changing batteries.


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