1. Introduction
Thank you for choosing the Sanitas SFT79 Multifunction Thermometer. This device is designed for accurate and reliable temperature measurement, suitable for various applications including body temperature (forehead and ear) and object temperature. Please read this manual carefully before first use and keep it for future reference.
2. Important Safety Information
- This thermometer is not a substitute for a medical examination by a doctor. Always consult a medical professional for any health concerns.
- Do not use the device if it is damaged.
- Keep the thermometer out of reach of children. Small parts can be swallowed.
- Avoid exposing the device to direct sunlight, extreme temperatures, high humidity, or dust.
- Clean the thermometer probe before and after each use as described in the "Maintenance" section.
- Do not immerse the thermometer in water or other liquids.
- Only use the thermometer for its intended purpose as described in this manual.
3. Product Features and Components
The Sanitas SFT79 is a versatile thermometer offering high precision measurements. Key features include:
- Multifunction measurement (forehead, ear, object temperature).
- High precision sensor.
- Digital display for clear readings.
- Memory function for previous measurements.
- Bluetooth connectivity for data transfer.
- Battery-powered for portability.

Figure 1: Front view of the Sanitas SFT79 Thermometer. The digital display clearly shows a temperature reading of 36.7 degrees Celsius, along with a Bluetooth icon indicating active connectivity. The device features a power button and mode selection buttons.
Components:
- Sanitas SFT79 Thermometer unit
- Protective cap for the measurement probe
- Batteries (typically included, but check packaging)
4. Setup
4.1. Battery Installation
- Locate the battery compartment cover, usually on the back or side of the device.
- Open the cover by sliding or gently prying it off.
- Insert the required batteries (e.g., 2 x AAA) according to the polarity markings (+/-) inside the compartment.
- Close the battery compartment cover securely.
4.2. Initial Power On and Unit Selection
- Press the power button (ⓘ) to turn on the thermometer.
- The display will show a self-test, then the last measurement or standby mode.
- To switch between Celsius (℃) and Fahrenheit (℉), typically press and hold the power button or a dedicated mode button while the device is off, then turn it on. Refer to the on-screen prompts or specific button combinations for your model.
4.3. Bluetooth Pairing
If your device supports Bluetooth connectivity, follow these steps to pair it with your smartphone or tablet:
- Download the official Sanitas HealthManager app (or equivalent) from your device's app store.
- Ensure Bluetooth is enabled on your smartphone/tablet.
- Turn on the Sanitas SFT79 thermometer. The Bluetooth icon on the display should flash, indicating pairing mode.
- Open the app and follow the on-screen instructions to add a new device. Select the SFT79 from the list of available devices.
- Once paired, the Bluetooth icon on the thermometer's display will stop flashing and remain solid.
5. Operating Instructions
5.1. Selecting Measurement Mode
The SFT79 typically offers multiple measurement modes. Press the mode button (often labeled 'M' or with an icon) to cycle through available modes:
- Forehead Mode: For measuring body temperature by scanning the forehead.
- Ear Mode: For measuring body temperature via the ear canal (requires removing the protective cap).
- Object Mode: For measuring the surface temperature of objects (e.g., baby formula, bath water).

Figure 2: Side view of the Sanitas SFT79 Thermometer, illustrating the measurement probe extended for ear temperature readings. A red indicator light is visible, which may signify a high temperature or a specific mode.
5.2. Taking a Measurement
- Prepare the Thermometer: Ensure the correct mode is selected. For ear measurements, gently remove the protective cap. For forehead measurements, ensure the cap is on.
- Position the Thermometer:
- Forehead: Place the probe gently on the center of the forehead, or sweep it across the forehead as instructed by the device.
- Ear: Gently insert the probe into the ear canal. Ensure a snug fit without forcing.
- Object: Point the probe at the object whose surface temperature you wish to measure, maintaining a small distance.
- Initiate Measurement: Press the measurement button (often a dedicated button or the power button).
- Read the Result: The temperature will be displayed on the screen within a few seconds, often accompanied by an audible beep.
- Power Off: The device will usually power off automatically after a period of inactivity to conserve battery. You can also manually power it off by pressing the power button.
5.3. Memory Function
The SFT79 stores previous temperature readings. To access the memory:
- Turn on the thermometer.
- Press the memory button (often labeled 'M' or with a memory icon).
- Each press will cycle through the stored readings, usually from most recent to oldest.
6. Maintenance and Care
6.1. Cleaning
- After each use, especially for ear measurements, clean the measurement probe with an alcohol swab or a cotton swab moistened with 70% isopropyl alcohol.
- Do not use abrasive cleaning agents or immerse the device in water.
- Clean the main body of the thermometer with a soft, dry cloth.
- Ensure the probe is completely dry before storing or next use.
6.2. Storage
- Store the thermometer in its protective cap and in a clean, dry place.
- Avoid extreme temperatures, direct sunlight, and high humidity.
- If the device will not be used for an extended period, remove the batteries to prevent leakage.

Figure 3: The Sanitas SFT79 Thermometer displayed in a home setting, resting on a soft white towel. This image highlights the device's compact and ergonomic design, suitable for everyday use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Batteries are dead or incorrectly inserted. | Check battery polarity, replace batteries. |
| Inaccurate readings. | Probe is dirty; incorrect measurement technique; device not acclimatized. | Clean the probe; ensure correct positioning; allow device to sit at room temperature for 30 minutes before use. |
| "Lo" or "Hi" displayed. | Temperature is outside the measurable range. | Ensure the measurement is taken correctly within the specified temperature range. |
| Bluetooth not connecting. | Bluetooth off on phone; app not open; device not in pairing mode. | Enable Bluetooth on your phone; open the app; ensure thermometer is in pairing mode. |
8. Technical Specifications
- Model: SFT79
- Measurement Type: Multifunction (Forehead, Ear, Object)
- Display Type: Digital
- Power Source: Battery-powered
- Connectivity: Bluetooth
- Material: Plastic
- Special Feature: High precision
- Age Range (Description): Toddler (suitable for all ages)
- Dimensions (Package): 16 x 9 x 6 cm
- Weight (Package): 210 grams
- Manufacturer: Sanitas
9. Warranty and Support
Sanitas products are manufactured to the highest quality standards. If you experience any issues with your SFT79 thermometer, please refer to the troubleshooting section first. For further assistance, contact Sanitas customer support or your local retailer. Please retain your proof of purchase for warranty claims.
Information regarding spare parts availability is not provided in the product details. For service or parts, please contact the manufacturer directly.





