BLE Temperature & RH Logger

Bluetooth Low Energy Temperature
& Relative Humidity Logger

With more than 20 years of experience in cold chain tracking we created the world’s most functional and practical device where each feature is carefully tailored for the unique demands and requirements of the cold chain.

We chose Bluetooth communication as the most versatile technology to operate in a challenging environment for RF implementations. Expanded communication range allows reading from 150m and fast download speeds. Other tags on the market only offer a simple configuration where the logger sends an alert when the threshold is exceeded.

Our logger allows the operator to set an exposure time for the specified temperature threshold and get the alert when this limit occurs. Sensor tags often need to be associated with the product/pallet/case and this association is commonly done through a software which requires the whole supply chain to share the same infrastructure.

Our logger can save this information inside the tag for download along with the sensor data. With our cost-conscious design to justify our loggers' use on the low-priced commodities of the cold chain our logger has the lowest implementation costs in the market with negligible upfront expenses compared to our competitors.

Designed for Food Cold Chain

  • Monitoring temperatures of meat, fish, seafood, produce, dairy, confectionary, ice cream, frozen foods, prepared meals during storage and distribution.

  • Most industry stakeholders are willingly to adopt, deploy, and standardize a solution that guarantees results, facilitates self-compliance, and allows visibility to regulators.

Designed for Healthcare Cold Chain

  • Monitoring temperature of vaccines, blood, plasma, insulin, medicines, medical devices, other pharmaceutical products during storage and distribution.

  • Healthcare facilities: hospitals, clinics, laboratories, blood banks, etc.

  • Manufacturers and distributors of healthcare products (Proof of temperature at delivery)

  • Retail pharmacies.

Mobile Application

Ability to set temperature and humidity parameters separately.

Status screen to monitor current values.

Visualization for the logged temperature data.

Visualization for the logged humidity data.

Monitoring old data (temperature, humidity, alert status) with timestamps.

Ability to mark important locations for the application on the fly. Operators can easily push the button to save the current location with the timestamp, temperature/humidity values and alerts.

Ability to monitor saved waypoints on the map.


  • BLE 4.2 communication

  • Wide operating temperature range of -40°C to +70°C (-22°F to +140°F)

  • up to ±0.3°C temperature accuracy

  • up to ±2% RH accuracy

  • Waterproof and washable enclosure

  • Replaceable battery

  • Custom configurations

  • 1 to 255 min sampling interval

  • Temperature, battery and memory alerts

  • Up to 16.000 data logging capability of both temperature and humidity

  • Native C++ SDK for custom applications

  • Zthru Cloud Support