femometer DET-306
femometer Infrared Forehead Thermometer DET-306 User Manual
Non-Contact Digital Thermometer for Infants and Adults
1. Úvod
Thank you for choosing the femometer Infrared Forehead Thermometer DET-306. This device is designed for safe and accurate temperature measurement of the human body, objects, and ambient room temperature without contact. Please read this manual thoroughly before use to ensure proper operation and to maintain the device's accuracy and longevity.
Dôležité bezpečnostné informácie:
- Nepokúšajte sa teplomer rozoberať alebo opravovať.
- Chráňte zariadenie pred priamym slnečným žiarením, prachom a extrémnymi teplotami.
- Ensure the measurement area (forehead) is clean and dry for accurate readings.
- Tento teplomer je určený na použitie v domácnosti. V prípade akýchkoľvek zdravotných problémov sa poraďte s lekárom.
2. Produkt skončilview
2.1 Komponenty zariadenia

Image: The femometer Infrared Forehead Thermometer DET-306 shown with its retail packaging, highlighting its non-contact feature, 1-second instant reading, and LCD backlight.

Image: A detailed diagram of the thermometer's LCD display and control buttons, including the Start Button, Forehead/Object Mode Button, and Power Button. It also illustrates the color-coded fever alarm system (Green, Orange, Red) and various display icons.
2.2 Kľúčové vlastnosti
- Meranie 3 v 1: Measures body, object, and room temperature.
- Non-Contact: Safe and hygienic measurement from a distance.
- Instant & Accurate Readings: Provides results in 1 second with high precision.
- Alarm horúčky: Color-coded LCD display (Green, Orange, Red) indicates temperature status.
- Vyvolanie pamäte: Stores up to 10 previous readings with exact time.
- Podsvietený LCD displej: Clear readings day or night.
- Prepínateľné jednotky: Jednoduché prepínanie medzi stupňami Celzia (°C) a Fahrenheita (°F).
- Automatické vypnutie: Šetrí výdrž batérie.

Image: An infographic summarizing the key features of the femometer infrared thermometer, including Forehead Mode, Object Mode, Instant Measurement, Auto Shut-off, Fever Alarm, °C/°F Switchable, Time Setting, 10 Memory Recall, LCD Backlit Display, and Beep function.
3. Nastavenie
3.1 Inštalácia batérie
The femometer DET-306 thermometer requires 2 AAA batteries (included). To install or replace batteries:
- Nájdite kryt priehradky na batérie na zadnej strane zariadenia.
- Posunutím otvorte kryt.
- Vložte dve batérie typu AAA a dbajte na správnu polaritu (+ a -) podľa vyznačenia vo vnútri priehradky.
- Bezpečne zatvorte kryt priestoru pre batérie.
The device will emit a short beep and the display will show all segments briefly, indicating successful battery installation.
4. Návod na obsluhu
4.1 Zapnutie/vypnutie
- Zapnúť: Stlačte tlačidlo napájania (I/O). The display will show all segments, then the last measurement, and finally enter standby mode.
- Vypnúť: The device will automatically shut off after approximately 30 seconds of inactivity to conserve battery. You can also manually turn it off by pressing and holding the Power Button for a few seconds.
4.2 Režimy merania
The thermometer has two main measurement modes: Forehead Mode (for body temperature) and Object Mode (for surface/room temperature).

Image: A baby being measured with the non-contact infrared thermometer, illustrating its ease of use for infants. Key features like 10 memory readings, 1-second instant reading, and temperature alarm are highlighted.

Image: Demonstrates the thermometer in use for Forehead Mode (measuring a person's temperature) and Object Mode (measuring food and room temperature), showcasing jeho všestrannosť.
To switch between modes, press the Forehead/Object Button (person/house icon). The corresponding icon will appear on the LCD display.
4.3 Meranie

Image: A visual guide demonstrating the three steps to measure temperature: 1. Power on and select mode. 2. Point thermometer 2-3 cm from the forehead and press START. 3. Read the temperature after a short beep.
- Ensure the thermometer is in the desired mode (Forehead or Object).
- Position the thermometer 1-3 cm (0.4-1.2 inches) away from the center of the forehead (for body temperature) or the object/surface.
- Stlačte tlačidlo ŠTART tlačidlo.
- The measurement will be completed after a short beep, and the temperature reading will be displayed on the LCD screen.

Image: Illustrates the recommended measurement distance of 1-3 cm from the forehead for accurate readings, showing a child and adult using the thermometer.
4.4 Prepínanie jednotiek teploty (°C/°F)
Prepínanie medzi stupňami Celzia (°C) a Fahrenheita (°F):
- Ensure the thermometer is in the OFF state.
- Stlačte a podržte ŠTART tlačidlo po dobu 3-5 sekúnd.
- Na displeji sa zobrazí aktuálna jednotka a potom sa prepne na inú jednotku. Po zobrazení požadovanej jednotky tlačidlo uvoľnite.

Image: Shows how to switch the temperature unit between Celsius (°C) and Fahrenheit (°F) by pressing the start button, with examples of both displays.
4.5 Fever Alarm Interpretation
The thermometer's LCD backlight changes color to indicate temperature status:
- zelená: Normal body temperature (T ≤ 37.3°C / 99.1°F).
- oranžová: Low-grade fever (37.3°C < T < 37.7°C / 99.1°F < T < 99.9°F).
- červená: High fever (T ≥ 37.7°C / 99.9°F).

Image: Illustrates the three-color backlight system for temperature alerts: Green for normal, Orange for elevated, and Red for high temperature, with corresponding temperature ranges.
4.6 Vyvolanie pamäte
The thermometer automatically stores the last 10 temperature readings with the exact time. To access memory recall:
- Zapnite teplomer.
- Press the Forehead/Object Button (person/house icon) repeatedly to cycle through the stored readings.
- Each press will display the next stored reading, starting from the most recent.

Image: Shows the thermometer being used in a dark room, demonstrating its backlit LCD display for clear readings at night without disturbing others.
5. Údržba
5.1 Čistenie
- Wipe the thermometer body with a soft, dry cloth.
- For the probe, gently clean with an alcohol swab (70% isopropyl alcohol) or a cotton swab moistened with alcohol. Allow it to air dry completely before use.
- Neponárajte teplomer do vody ani do žiadnych čistiacich roztokov.
5.2 Skladovanie
- Teplomer skladujte na chladnom a suchom mieste, mimo dosahu priameho slnečného žiarenia a extrémnych teplôt.
- Ak sa zariadenie dlhší čas nepoužíva, vyberte batérie, aby ste predišli vytečeniu.
6. Riešenie problémov
| Problém | Možná príčina | Riešenie |
|---|---|---|
| Žiadny displej/Zariadenie sa nezapne | Vybité batérie, nesprávna inštalácia batérií. | Vymeňte batérie, dbajte na správnu polaritu. |
| Nepresné údaje | Incorrect measurement distance, dirty probe, environmental factors (drafts, direct sunlight), recent activity (eating, exercising). | Ensure 1-3 cm distance, clean probe, measure in stable environment, wait 30 minutes after activity. |
| Displej zobrazuje „Lo“ alebo „Hi“ | Teplota je mimo merateľného rozsahu. | Ensure measurement is within specified operating range (e.g., 32°C-42.9°C for body). |
| Displej zobrazuje „Err“ | Systémová chyba alebo porucha. | Remove and reinsert batteries. If error persists, contact customer support. |
7. Špecifikácie
- Model: DET-306
- Rozsah merania:
- Body: 32.0°C – 42.9°C (89.6°F – 109.2°F)
- Object: 0°C – 100°C (32°F – 212°F)
- Presnosť: ±0.2°C (±0.4°F) for body temperature within 35.0°C – 42.0°C (95.0°F – 107.6°F)
- Meracia vzdialenosť: 1-3 cm
- Displej: LCD s podsvietením
- pamäť: 10 prečítaní
- Zdroj napájania: 2 x AAA batteries (DC 3V)
- Automatické vypnutie: Približne. 30 sekúnd
- Rozmery: 15 x 4 x 4 cm
- Hmotnosť: 124 gramov (s batériami)
- Materiál: Plastové
- Zahrnuté komponenty: 1 Thermometer, 2 AAA Batteries
8. Záruka a podpora
femometer is committed to providing high-quality products and excellent customer service. We offer many years of friendly customer service for our products.
If you have any questions, concerns, or require assistance with your femometer Infrared Forehead Thermometer DET-306, please do not hesitate to contact our customer support team. Refer to the product packaging or the official femometer webstránky pre kontaktné údaje.

Image: The official femometer brand logo.
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