• Medical > Digital Thermometer > ST8S Series
  • ST8S Series Battery-Free Digital Thermometer

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  • First no battery required ECO friendly digital thermometer
  • Features

    • No battery required

    • Waterproof

    • Clear and correct dial with easy to read scale

    • Flexible tip for safety

    • Suitable for Oral, Armpit and Rectal Use

    • High accuracy



    Easy to use digital flexi-head thermometer suitable for all ages especially babies, young children and the elderly. This model is the waterproof flexible probe model, suitable for oral use.

    Measurement Range 32.0 °C - 42.9 °C (89.6 °F - 109.2 °F)
    Temperature Scale °C or °F
    Display Resolution 0.1°C or 0.1°F
    Accuracy ±0.1°C or ±0.2°F
    Measurement Position Oral, Armpit, and Rectal
    Measurement Time ±10 seconds in water bath
    ±20 seconds in Oral
    ±25 seconds in Armpit
    ±20 seconds in Rectal
    Auto Shut-Off Time No power
    Memory Recall No
    Operating Temperature /Humidity 10.0°C - 40.0°C (60.8°F - 104.0°F)
    15% to 95% RH
    Storage Temperature /Humidity -20.0°C - 55.0°C (-4.0°F - 131.0°F)
    15% to 95% RH
    Transportation Temperature -30 – 70°C (-22 – 158°F)
    Dimensions Approx. 158.5 x 23.5 x 29.9 mm
    Weight Approx. 23 grams



    1.Pull the handle
    2.Wind the handle clockwise, the electricity is generated by the winding operation with a speed about 1.5 rounds per second clockwise.
    3. After a total 6 to 8 rounds, the thermometer can be switched on and the LCD screen may show 188.8℃ on the digital display, while making beep sound.

    *When low power occurs, the screen will switch off automatically to avoid the measurement error. If you may need to operate again, please wind the handle one more time. The winding time would be shorter than the previous time.

    This thermometer carries a warranty of 2 year from the date of shipment (not including battery life). The distributor reserves the right either to repair or replace without charge necessary parts to correct defects in the materials or workmanship.

    The warranty does not apply to damage resulting from failure to follow the operating instructions, accidents, abuse, alteration or disassembly by unauthorized individuals. NOTE: Please keep the sticker on the back of device for easy tracking in the future.

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