Ovulation thermometer OT 20 BasalControl Basic
Ovulation thermometer for pregnancy or cycle tracking – compatible with the “Ovy” app
Family and life planning in harmony: Natural methods for cycle tracking and targeted family planning are easier than ever. The modern temperature measurement technology of the Beurer OT 20 Ovulation Thermometer works in conjunction with a cycle tracking app to offer entirely new possibilities for predicting fertile and non-fertile days more reliably.
- Cycle calculated individually in the “Ovy” app for natural family planning
- Measures basal temperature to determine your fertile days
- Comfortable measurement thanks to the extra-flexible measuring tip
- Medical device
- 1 memory space – most recent measurement is automatically saved
- Suitable for natural family planning thanks to precise display to 2 decimal places
- Individually select the measurement location
- Very hygienic usage
- Measuring time: Up to 3 minutes. Acoustic signal indicates if stable temperature is reached earlier
- Record temperature, body signals and interference factors
- Handy low battery indicator in the display shows when the batteries need to be changed
- Record body signals such as days when you are ill, ovulation tests, PMS, interference factors and more in the “Ovy” app
- Simply calculate your day of ovulation, fertile days and next period in the “Ovy” app
- Acoustic signal indicates the end of the measurement time
- Preserves the battery: Automatically switches off 10 minutes after the measurement
Technical specifications
| Accessories are available for the product | No |
| Automatic switch-off | Yes |
| Can be disinfected | Yes |
| Connect product | No |
| Colour of digits | black |
| Display | Yes |
| Display height | 1.0 cm |
| Illuminated display | No |
| Display size | 2.3 cm x 1.0 cm |
| Display technology | LCD |
| Display width | 2.3 cm |
| EAN | 4211125791384 |
| Packaging size (L x W x H) | 21.50 cm x 3.00 cm x 7.40 cm |
| Weight (incl. packaging) | 0.09 kg |
| IP rating | IP27 |
| Article number | 79138 |
| Low battery indicator | Yes |
| Measurement accuracy | ±0.05°C at 35.00–38.00°C (ambient temperature 18.00–28.00°C) in remaining measurement range: ± 0.1°C |
| Measurement location | oral,vaginal |
| Measurement method | oral,rectal,vaginal |
| Measurement range (°C) | 32.00-42.99 °C |
| Measuring time | 2 Min. |
| Medical device Europe | Yes |
| Weight (without packaging) | 0.0155 kg |
| Type of power supply | battery-operated |
| Product designation | Ovulation thermometer |
| Signal | acoustic signal |
| Accuracy of the temperature display | Precise data to two decimal places |
| Number of users | 1 |
| Guarantee | 5 years |
Product reviews
3.0
| 5 Stars | |
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| 4 Stars | |
| 3 Stars | |
| 2 Stars | |
| 1 Star |
29.05.2025 | Verified purchase
Product: OT 20 BasalControl Basic
Not suitable for NFP
29.04.2019 | Verified purchase
Product: OT 20 BasalControl Basic
29.04.2019 | Verified purchase
Product: OT 20 BasalControl Basic