A mercury-free underarm thermometer is a mercury-free thermometer specifically designed for measuring body temperature, typically in the axilla (axilla). Unlike traditional mercury thermometers, this thermometer uses non-toxic, environmentally friendly alternative materials, such as alcohol, digital sensors, or liquid columns, to ensure user safety and avoid the potential health risks of mercury leakage. It is widely used in homes and clinics, and is particularly suitable for children, pregnant women, and those who are sensitive to mercury.

Product Parameters
| Type: | Mercury-free Thermometer |
| Measure Range: | 35℃-42℃ |
| Accuracy: | +0.1℃,-0.15℃/Resolution:0.1℃ |
| Accessories: | liquid:Gallium,tin,indium plastic case glass tube |
| Feature: | Measure human temperature |
| Dimension: | Length:120+8mm and -5mm,width:12±0.4mm |
| Weight: | Approx. 0.01Kg |
| Color: | Yellow inner tube or blue inner tube |
| Expected service life: | five years |
| operation and storage condition: | Work Conditions: 15 ℃to 30℃ (If the temperature for storage is less than 15℃, please put the thermometers in the temperature 15℃to 30℃ for at least1-2 hours or 30 ℃to 35℃ for ten minutes before use or test.) Storage Condition: The temperature should be -15℃-42℃ and less than humidity 80%, when it is stored and transported. |
| Certificate: | CE,ISO |
Instructions for use
Mercury free clinical thermometer is a kind of measuring device for patient's temperature, and it can be used to measure the temperature of patient's mouth or armpit or anus.
1. Before taking the patient's temperature, check whether the column of liquid is below 36℃.
2. Clean the thermometer before and after each use. In doing so, please pay attention to the ""Notes on Cleaning"" below.
3. Position the thermometer on the body according to the method of measurement to be used (axillary, rectal or oral)
4. After about 4 minutes the thermometer will have reached the body temperature. The measuring fluid in the measurement capillary of the thermometer shows the measured body temperature on the temperature scale.
The temperature can be read off by rotating the thermometer gently to and fro.
5. After measuring, the liquid must be returned to the bottom of the scale. To do this, hold the thermometer as close as possible to the upper end and shake it with 15 to 20 rapid wrist movements
Key Features
1. Mercury-Free Design: Utilizes a mixture of gallium, indium, and tin instead of traditional mercury, making it safe, non-toxic, and environmentally friendly.
2. Easy to Read: Features yellow/blue graduations and large numerals for easy reading of body temperatures.
3. Versatile Use: Suitable for oral and underarm measurements.
4. Accurate Measurement: Measuring range: 35°C to 42°C, with graduations as small as 0.1°C.
5. Durable Design: Glass housing with a protective case prevents damage during transport.
6. Convenience: Compact size and plastic storage case for easy portability.
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