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The constant temperature medium has good fluidity, good heat transfer performance, and high temperature control sensitivity;The heater power should be suitable, the heat capacity should be small, and the temperature control sensitivity should be high;The stirring speed of the stirrer should be large enough to ensure constant temperatur.
The temperature in the tank is uniform;The relay electromagnetically attracts the electric key, the shorter the time for the latter to act mechanically, the smaller the remanence of the iron core in the coil when the power is turned off, and the higher the temperature control sensitivity;The heat capacity of the electric contact thermometer is small , sensitive to changes in temperature, the sensitivity is high;The smaller the difference between the ambient temperature and the set temperature, the better the temperature control effec.
Precautions for the use of low temperature thermostats For liquid medium, the liquid level of the medium should be about 30mm lower than the working table, otherwise the heater will be damaged when the power is turned on;The selection of the liquid medium in the low temperature constant temperature bath should comply with the following principles: when the working temperature is between 5 and 85 °C, the liquid The medium is generally water; when the working temperature is between 85 and 95 °C, the liquid medium can be 15% glycerin aqueous solution; when the working temperature is higher than 95 °C, the liquid medium is generally oil, and the selected oil has an open cup flash poin.
The value should be higher than the working temperature by more than 50 ℃;Power supply: 220V50Hz, the power of the power supply should be greater than the total power of the instrument, and the power supply has a good "grounding" device;The instrument should be placed in a dry and ventilated place, and there are no obstacles within 300mm around the instrumentWhen the working temperature of the thermostatic bath is high, be careful not to open the top cover and keep your hands from entering the bath to prevent burns;After use, turn off all switches and cut off the power supply; Cleaning work, keeping the work surface and operation panel clean; often pay attention to observe the liquid level in the tank, when the liquid level is too low, liquid medium should be added in time; considering the safety factor, we stipulate that the constant temperature tank higher than 100 ℃ should be used for cleanin.
into an inner cycl.
If the external circulation is changed according to the customer's requirements, the customer should pay attention to the firmness of the connection of the outlet pipe, and strictly prevent it from falling off to avoid burn.
The temperature in the tank is uniform;The relay electromagnetically attracts the electric key, the shorter the time for the latter to act mechanically, the smaller the remanence of the iron core in the coil when the power is turned off, and the higher the temperature control sensitivity;The heat capacity of the electric contact thermometer is small , sensitive to changes in temperature, the sensitivity is high;The smaller the difference between the ambient temperature and the set temperature, the better the temperature control effec.
Precautions for the use of low temperature thermostats For liquid medium, the liquid level of the medium should be about 30mm lower than the working table, otherwise the heater will be damaged when the power is turned on;The selection of the liquid medium in the low temperature constant temperature bath should comply with the following principles: when the working temperature is between 5 and 85 °C, the liquid The medium is generally water; when the working temperature is between 85 and 95 °C, the liquid medium can be 15% glycerin aqueous solution; when the working temperature is higher than 95 °C, the liquid medium is generally oil, and the selected oil has an open cup flash poin.
The value should be higher than the working temperature by more than 50 ℃;Power supply: 220V50Hz, the power of the power supply should be greater than the total power of the instrument, and the power supply has a good "grounding" device;The instrument should be placed in a dry and ventilated place, and there are no obstacles within 300mm around the instrumentWhen the working temperature of the thermostatic bath is high, be careful not to open the top cover and keep your hands from entering the bath to prevent burns;After use, turn off all switches and cut off the power supply; Cleaning work, keeping the work surface and operation panel clean; often pay attention to observe the liquid level in the tank, when the liquid level is too low, liquid medium should be added in time; considering the safety factor, we stipulate that the constant temperature tank higher than 100 ℃ should be used for cleanin.
into an inner cycl.
If the external circulation is changed according to the customer's requirements, the customer should pay attention to the firmness of the connection of the outlet pipe, and strictly prevent it from falling off to avoid burn.
