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  5. OT 20
4.0 | 2 Customer ratings

OT 20

Basal thermometer
OverviewFunctionsTechnical data & FAQReviews
Beurer basal thermometer OT 20

Ovulation thermometer for pregnancy or cycle tracking – compatible with the “Ovy” app

Family and life planning in harmony: natural methods for cycle tracking and purposeful family planning can be easily implemented. The modern temperature measurement technology of Beurer basal thermometers work in conjunction with a cycle tracking app to offer entirely new possibilities for predicting fertile and non-fertile days more reliably.

  • Display to 2 decimal places
  • Use with the “Ovy” app for natural cycle tracking1)
  • Contact-measurement technology
  • Suitable for oral & vaginal measurements
  • Flexible measuring tip
  • Waterproof
  • Can be disinfected
  • Measurement accuracy: ±0.05°C at 35.00°C - 38.00°C (ambient temperature 18.00°C - 28.00°C) in remaining measurement range: ± 0.1°C
  • 1 memory space
  • Automatic switch-off
  • Acoustic signal when measurement is complete
  • Medical device
  • With protective cap
  • Free download of the “Ovy” app

1) Manual recording of temperature

  • For measuring basal temperature in connection with the “Ovy” app, for natural family planning (NFP)
  • Display to 2 decimal places
  • Manual temperature entry
  • Measurement accuracy: ±0.05°C
OT 20
OT 20

Key Features

WaterproofWaterproofThe product is waterproof
Calculate cycleCalculate cycleUse with the “Ovy” app for natural cycle tracking
Automatic switch-offAutomatic switch-offThe product is equipped with an automatic switch-off function
Memory functionMemory functionDisplays the last measured value
WaterproofWaterproofThe product is waterproof
Calculate cycleCalculate cycleUse with the “Ovy” app for natural cycle tracking
Automatic switch-offAutomatic switch-offThe product is equipped with an automatic switch-off function
Memory functionMemory functionDisplays the last measured value
WaterproofWaterproofThe product is waterproof
Calculate cycleCalculate cycleUse with the “Ovy” app for natural cycle tracking

Technical specifications

Acoustic signalyes
Automatic switch-offyes
Battery-operatedyes
CEyes
Can be disinfectedyes
Connectno
Low battery indicatoryes
Measurement accuracy±0.05°C at 35.00°C - 38.00°C (ambient temperature 18.00°C - 28.00°C) in remaining measurement range: ± 0.1°C
Measurement range32.00 - 42.99 °C
Medical deviceyes
Memory spaces1
Product designationBasal thermometer
Product dimensions (L x W x H)142 x 23 x 13 mm
Product weightapprox. 12,9 g (incl. batteries)
Transfer of the measurement values via Bluetooth®no
Warranty (more information in the manual)5
Waterproofyes
EAN4211125791384
Article number79138

Product reviews

4.0/5
2 Customer ratings
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
29.04.2019 | Verified purchase
Product: OT 20
Nice, handy and compact device. The autoflash mode makes it very easy to use and with the app you always have an overview
29.04.2019 | Verified purchase
Product: OT 20
I use the OT20 together with the Ovy app for natural contraception. Both work very easily and the thermometer also measures quite accurately.
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