Introduction
The Yuwell YHW2 is an infrared thermometer designed for non-contact temperature measurement. It is suitable for taking body temperature from the forehead in both children and adults. The device provides rapid measurements, typically within 1 second, making it convenient for use with infants. It can display temperatures in both Celsius (°C) and Fahrenheit (°F) on its backlit display. Additionally, the thermometer can measure the surface temperature of objects, such as baby food or other items.
Important Safety Information
- Read all instructions carefully before using the thermometer.
- Do not immerse the thermometer in water or other liquids.
- Keep the device out of reach of children.
- Avoid dropping the thermometer or subjecting it to strong impacts.
- Do not use the thermometer if the sensor is damaged.
- Consult a healthcare professional for any health concerns, as thermometer readings are for reference only.
Product Features
- Non-contact body temperature measurement from the forehead.
- Fast 1-second measurement time.
- Ability to measure surface temperature of objects (e.g., food items).
- Automatic power-off function to conserve battery life.
- Memory function storing up to 20 groups of readings.
- Dedicated mode for children's temperature measurement.
- Backlit display for easy reading in various lighting conditions.
- Switchable temperature units: Celsius (°C) and Fahrenheit (°F).
Package Contents
- Yuwell YHW2 Infrared Thermometer
- AAA Batteries (2)
- User Manual
Setup
Battery Installation
The Yuwell YHW2 thermometer requires two AAA batteries for operation. Ensure correct polarity when inserting the batteries.
- 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, matching the positive (+) and negative (-) terminals as shown inside the compartment.
- Close the battery compartment cover securely until it clicks into place.
Image: The Yuwell product unit, possibly showing the display and a wrist strap. This image is for illustrative purposes of a Yuwell device.
Operating Instructions
Powering On/Off
- To power on, press the measurement button. The device will perform a self-test and display the last reading.
- The thermometer will automatically power off after approximately 30 seconds of inactivity.
Measuring Body Temperature (Forehead Mode)
- Ensure the thermometer is in Body Temperature mode. If not, press the Mode button to switch.
- Hold the thermometer approximately 1-5 cm (0.4-2 inches) from the center of the forehead.
- Press and release the measurement button. A beep will sound, and the temperature reading will appear on the display within 1 second.
- For consistent results, ensure the forehead is clean and dry, free from hair or sweat.
Measuring Surface Temperature (Object Mode)
- Ensure the thermometer is in Surface Temperature mode. Press the Mode button to switch if necessary.
- Point the thermometer at the object whose surface temperature you wish to measure. Maintain a distance of 1-5 cm.
- Press and release the measurement button. The surface temperature will be displayed.
- Note: This mode measures surface temperature and is not suitable for body temperature measurement.
Switching Temperature Units (°C/°F)
To switch between Celsius and Fahrenheit, ensure the device is powered on. Press and hold the Mode button for a few seconds until the unit changes on the display.
Memory Recall
The thermometer stores up to 20 previous temperature readings. To access the memory:
- With the thermometer powered on, press the Memory button (if available, or a combination of buttons as per specific model design).
- Each press will cycle through the stored readings, from most recent to oldest.
Maintenance
Cleaning
- Wipe the thermometer body with a soft, dry cloth. For disinfection, use a cloth lightly dampened with 70% isopropyl alcohol.
- Clean the probe lens gently with a cotton swab moistened with alcohol. Do not scratch the lens.
- Do not use abrasive cleaners or immerse the device in water.
Storage
- Store the thermometer in a cool, dry place, away from direct sunlight and extreme temperatures.
- Remove batteries if the device will not be used for an extended period to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display when powered on | Batteries are dead or incorrectly inserted. | Replace batteries or reinsert them with correct polarity. |
| Inaccurate readings | Sensor dirty, incorrect measurement distance, or environmental factors. | Clean the sensor. Ensure correct distance (1-5 cm). Avoid strong air currents or direct sunlight. |
| "Lo" or "Hi" displayed | Temperature is outside the measurable range. | Ensure the measurement is within the specified operating range. |
Specifications
| Feature | Detail |
|---|---|
| Model | YHW2 |
| Measurement Method | Non-contact Infrared |
| Measurement Time | 1 second |
| Temperature Units | Celsius (°C) / Fahrenheit (°F) |
| Memory Storage | 20 groups |
| Power Source | 2 x AAA batteries (included) |
| Automatic Power Off | Yes |
| Product Care | Wipe Clean |
| Manufacturer | Jiangsu Yuyue Medical Equipment & Supply Co., Ltd. |
| Item Weight | 200 g |
| Package Dimensions | 19 x 8.99 x 5 cm |
Warranty and Support
The Yuwell YHW2 Infrared Thermometer comes with a 1-year warranty from the date of purchase, covering manufacturing defects. Please retain your purchase receipt as proof of warranty.
For technical support, warranty claims, or service inquiries, please contact Yuwell customer service through their official website or authorized distributors. Provide your product model number (YHW2) and purchase details when contacting support.
