Beurer OT 30 BT Basal Thermometer with Bluetooth and Ovy App Connectivity

The Beurer OT 30 BT Basal Thermometer delivers clinically proven accuracy of ±0.05 °C in the critical range, ensuring you never miss a subtle temperature shift. With Bluetooth 4.0 and the Ovy app, your cycle tracking becomes effortless and insightful.

Overview

Basal body temperature (BBT) measurement is a cornerstone of natural family planning and cycle health monitoring. The OT 30 BT elevates this practice with precision engineering and digital convenience. Its flexible tip ensures comfortable use, while the waterproof design allows for easy disinfection after each reading. The device stores up to 30 measurements locally, so you can review your history even without your smartphone nearby.

What stands out

• High-precision sensor with ±0.05 °C accuracy in the fertile window range (35.00–38.00 °C)
• Seamless Bluetooth 4.0 sync to the Ovy app for automatic charting and trend analysis
• Flexible tip and waterproof construction for comfort and hygiene
• Audible signal at the end of the measurement cycle
• Long battery life – approximately 2,000 measurements from a single LR41 cell

Technical details

• Measurement range: 32.00 °C to 42.99 °C (89.60 °F to 109.38 °F)
• Display resolution: 0.01 °C / 0.01 °F
• Measurement duration: approximately 3 minutes
• Memory: 30 measurements
• Units: switchable Celsius (°C) / Fahrenheit (°F)
• Auto power-off to save battery
• Battery: 1 x 1.5V LR41 (included)
• Included accessories: storage cap and battery

Our verdict

For anyone serious about cycle tracking, the Beurer OT 30 BT offers the accuracy and connectivity that turn daily measurements into actionable insights. Its robust feature set and hygienic design make it a reliable partner on your health journey.