Adjustment method1 liter of mercury

Adjustment method
1 liter of mercury: mercury ball gradually heated, the mercury column was raised back to the top of the ball-shaped tube.
2. Connect mercury: Hold the thermometer reversed tail toss, the mercury inside the ball back with a little tube inside
Mercury joined, and then slowly return to the thermometer vertical position.
3. Adjust the temperature measurement point: the thermometer into a thermostat to adjust the temperature of the bath Deputy Ruler
Indicates the number of measurement points in line, such as the bath and the other with a thermometer, the thermometer indicates the number to be higher
At temperature point about 3 .
4. Disconnect Mercury: thermometer with palm tap the upper part, so that the excess mercury flow in the return tube.
Instructions and Notes
1. Beckmann thermometer is adjustable measurement point thermometer, temperature adjustment range of -25-150
Changes temperature range 5 .
2. Beckmann thermometer has two scales, namely the main scale and deputy ruler. Main scale used to measure the temperature difference
Full scale 5 , minimum scale value 0.01 , if read with a magnifying glass to read 0.001 0.002
. Deputy Ruler for regulating the use of measurement points, engraved -20-150 , dividing the value of 2 .
3. Beckman thermometer because there is no fixed point, and therefore can not be used, must be accurate thermometer
In control, in order to determine the actual temperature.
4. Beckman thermometer during transportation or storage, not upside down, to avoid damage.
5. Beckman thermometer when used, should avoid large cold and hot temperature changes, so as to avoid temperature
Meter damage.
6. In regulation, when connected to a mercury column, if the mercury easily disconnected after the mercury thermometer can be connected
Do not direct the mercury down, make the thermometer slightly inclined, you can prevent the mercury column disconnected.

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