1. Introduction
The Yuwell YT-2 Non-Contact Infrared Thermometer is designed for quick and hygienic temperature measurement. Utilizing advanced infrared technology, it provides accurate readings of both body and surface temperatures without physical contact. This manual provides essential information for the safe and effective operation of your device.
Image 1.1: Front view of the Yuwell YT-2 Non-Contact Infrared Thermometer, showing the display and measurement button.
2. Safety Information
- Do not immerse the thermometer in water or other liquids.
- Keep the device away from direct sunlight and high temperatures.
- Avoid dropping the thermometer or subjecting it to strong impacts.
- Do not attempt to disassemble or repair the device yourself. Contact authorized service personnel.
- Keep out of reach of children.
- Ensure the measurement probe is clean before each use for accurate readings.
- This device is intended for household use and should not replace professional medical advice.
3. Product Features
The Yuwell YT-2 thermometer is equipped with several features designed for user convenience and accuracy:
- Non-Contact Measurement: Hygienic temperature readings from a distance of 3-5 cm.
- Clear LCD Display: Easy-to-read digital display.
- Fever Alarm: Visual and/or audible indicators for temperatures exceeding a set threshold.
- Memory Function: Stores previous temperature readings for tracking.
- Unit Switching: Easily switch between Celsius (°C) and Fahrenheit (°F).
- Automatic Shut-Off: Conserves battery life by turning off after a period of inactivity.
- Fast Reading System: Provides quick measurement results.
4. Package Contents
Upon unpacking, please ensure all items are present and undamaged:
- 1 x Yuwell YT-2 Non-Contact Infrared Thermometer
- 2 x AAA Batteries (included)
- 1 x User Manual (this document)
5. Setup
5.1. Battery Installation
- Locate the battery compartment cover on the back of the thermometer.
- Slide the cover open in the direction indicated by the arrow.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals match the indicators inside the compartment.
- Close the battery compartment cover until it clicks securely into place.
Note: The thermometer requires 2 AAA batteries, which are included in the package. Replace batteries when the low battery indicator appears on the display.
6. Operating Instructions
6.1. Taking a Measurement
- Power On: Press the measurement button to turn on the thermometer. The display will show all segments briefly, then enter standby mode.
- Select Mode: If applicable, ensure the thermometer is in Body Temperature mode for measuring human temperature. Refer to section 6.2 for mode switching.
- Positioning: Hold the thermometer 3-5 cm (1.2-2 inches) from the center of the forehead, ensuring no hair or sweat obstructs the measurement area.
- Measure: Press the measurement button once. A beep will sound, and the temperature reading will appear on the display within approximately 1 second.
- Read Result: Interpret the temperature reading. If a fever alarm is activated, the display may change color or an audible alert will sound.
Image 6.1: Proper positioning of the thermometer for forehead temperature measurement.
6.2. Switching Between Celsius (°C) and Fahrenheit (°F)
While the thermometer is off, press and hold the measurement button for approximately 5 seconds until the unit symbol (°C or °F) flashes. Press the button again to toggle between the units. Release the button to confirm your selection.
6.3. Memory Function
The thermometer automatically stores a certain number of previous temperature readings. To access memory mode, turn on the thermometer and then press the memory button (if available, or refer to specific button on device). Each press will cycle through the stored readings, usually from most recent to oldest.
6.4. Fever Alarm
The device is equipped with a fever alarm. If the measured body temperature exceeds 37.7°C (99.9°F), the thermometer will alert the user with a specific indicator, such as a different backlight color or a series of beeps. This threshold is typically fixed and cannot be adjusted by the user.
7. Maintenance
7.1. Cleaning
- Wipe the thermometer body with a soft, dry cloth.
- For the probe, gently wipe with an alcohol swab (70% isopropyl alcohol) or a cotton swab moistened with alcohol. Allow it to air dry completely before next use.
- Do not use abrasive cleaners, thinners, or benzene for cleaning.
7.2. Storage
- Store the thermometer in a cool, dry place, away from direct sunlight and extreme temperatures.
- If the device will not be used for an extended period, remove the batteries to prevent leakage and damage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermometer does not turn on. | Batteries are dead or incorrectly inserted. | Check battery polarity. Replace with new AAA batteries. |
| Inaccurate readings. | Dirty probe, incorrect measurement distance, or environmental interference. | Clean the probe. Ensure 3-5 cm distance. Avoid strong electromagnetic fields. Allow thermometer to acclimatize to room temperature for 30 minutes. |
| "Lo" or "Hi" displayed. | Temperature is outside the measurement range. | Ensure measurement is within the specified range (e.g., 32°C to 42.9°C for body). |
| No response from buttons. | Device malfunction or temporary software glitch. | Remove and reinsert batteries. If problem persists, contact customer support. |
9. Specifications
Image 9.1: Technical diagram and specifications of the Yuwell YT-2 Infrared Thermometer.
| Feature | Detail |
|---|---|
| Model Name | YT-2 Infrared Thermometer |
| Measurement Range (Body) | 32°C to 42.9°C (89.6°F to 109.2°F) |
| Measurement Range (Surface) | 0°C to 60°C (32°F to 140°F) |
| Accuracy | ±0.2°C (±0.4°F) within specified range |
| Measurement Distance | 3-5 cm (1.2-2 inches) |
| Temperature Units | Celsius (°C) / Fahrenheit (°F) |
| Fever Alarm Threshold | 37.7°C (99.9°F) |
| Memory Storage | 1 reading |
| Power Source | 2 x AAA batteries (included) |
| Automatic Shut-Off | Yes (after period of inactivity) |
| Dimensions (Item Length) | 18.5 Centimetres |
| Weight | 320 g |
| Certifications | CE, CFDA |
10. Warranty and Support
The Yuwell YT-2 Non-Contact Infrared Thermometer comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use.
For warranty claims, technical support, or online demonstration and installation assistance, please contact your retailer or the manufacturer's authorized service center. Please retain your purchase receipt as proof of purchase.
Manufacturer: Yuwell
Importer: Andhra Surgical Emporium, 5-8-107/B, Nampally Station Rd, Mahesh Nagar, Abids, Hyderabad, Telangana 500001
Packer: Medikart Healthcare System Pvt. Ltd. , First Floor-45 Omaxe Square Jasola District Centre Behind Apollo Hospital, New Delhi -110025
