High and low thermometer manufacturers direct sales Beijing Pute glass rod high and low thermometer

High and Low Thermometer Beijing High and Low Thermometer High and Low Thermometer Manufacturer High and Low Thermometer Price High and Low Thermometer Content Introduction:
High and low thermometers produced by Beijing Pute Instrument Complete Factory r # .
# .>, applicable temperature range ->℃
~+>℃
> (The red area in the scale is the temperature below zero and the black area is the temperature above zero)
r # .
# .>, can read the current temperature (mercury column Marked scale) accurately measure the minimum temperature and maximum temperature of the day (blue needle
#.>small ball below
#.>indicating scale: the left measurement is the lowest temperature and the right measurement is the highest Temperature)
r # .
# .>, clearly displayed, easy to use, and with minimal error.
r #
# - [
# - How to use]
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# .> First press the button in the middle to make the blue needle slide down and connect to The tops of the two mercury columns (the corresponding temperature at the top of the mercury columns is the current temperature). After a period of time, when the temperature drops or rises, the left and right blue needles will be pushed upward by the mercury columns respectively (until the measured ambient temperature is the highest or lowest. Limit) When the temperature changes again, the mercury column rises or falls (the blue needle remains at the original position). The two blue needles on the left and right will leave a distance from the mercury column. At this time, the top of the mercury column is below the blue needle. The corresponding scale of the difference between the small balls is the difference in temperature change between the current and previous periods.
# .>If you press and hold the middle button and wait for the left and right needles to fall back and connect with the mercury column, the temperature recording for a new period will start.
r # - [
# - Precautions]
:
r # .
# .>,
# .>Prevent strong impact or vibration< br/> r # .
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# .>If there are bubbles or scattered fractures in the mercury column, it can be repaired by the following methods:
Hold the top of the thermometer with your hands for a moment. Raise and then gently drop the mercury column to re-aggregate.
Place the thermometer under hot water of about
~>℃