The NB-IoT wireless low temperature data logger is designed for accurate temperature recording in environments with extreme cold or fluctuating temperatures. This logger is ideal for cryogenic applications, pharmaceutical storage, food processing and laboratories, where reliable temperature monitoring is essential.
The logger measures temperatures from -200 to +200°C with an accuracy of up to 0.5°C at +200°C and 1.3°C at -200°C. Thanks to the 1-metre external, waterproof sensor, the logger can remain outside the measuring zone while the probe is placed in the controlled environment. The probe is available in a standard version or a variant suitable for food contact.
The logger sends data via the NB-IoT mobile network, so no WiFi or extra gateways are needed. Configuration is easy via the free mobile app using Bluetooth Low Energy (BLE).
Key features
- Wide measuring range: -200 to +200°C, accuracy up to 0.5°C at +200°C and 1.3°C at -200°C
- 1-metre external, waterproof sensor, optionally available in a food-safe version
- Wireless data transmission via NB-IoT – no WiFi or extra gateway needed
- Adjustable measuring intervals: 1 minute to 10 days
- Memory for 40,000 measurements – oldest data is automatically overwritten
- Battery life up to 5 years, replaceable battery
- Alarm notifications when threshold values are exceeded
- Free mobile app for configuration, data readout and reporting
- Full cloud integration with Efento Cloud or your own platform via API
Applications
- Cryogenic storage of medical and pharmaceutical products
- Monitoring of refrigerated and freezer rooms in the food industry
- Temperature recording in laboratories and research centres
- Industrial use in production facilities and storage areas
Why choose this low temperature data logger?
- No WiFi or extra infrastructure needed – direct connection via the NB-IoT network
- Long battery life up to 5 years – maintenance-free use
- Free app for easy installation and configuration
- Flexibly expandable with Efento Cloud for data management and reporting
- Optionally available in a food-safe version
Included
- NB-IoT wireless low temperature data logger
- External, waterproof sensor (1 metre, optionally food-safe)
- Battery (3 x AA, 6300 mAh, replaceable)
- User manual
- Free mobile configuration app
Requirements for use
- NB-IoT SIM card and data plan (available separately)
- Optional: Efento Cloud for real-time monitoring, alarms and reporting
- Smartphone (Android/iOS) voor configuratie via Bluetooth
Optionally available
- Calibration certificate compliant with ISO 17025
- Efento Cloud licence (2 or 5 years)
- SMS credits for alarm notifications via SMS or phone call
With the NB-IoT wireless low temperature data logger, you have a reliable and accurate solution for temperature monitoring in extremely cold environments.
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