Shanghai Qiaofeng Industrial Co., Ltd., in order to reveal the common sense of the precautions for the use of low temperature thermostats, the specific instructions are as follows:
1. If it is the first time to use a cryostat, it is necessary to read the instruction manual and related materials before using it, and really grasp its planning principles, performance indicators, operating procedures, protection and protection and related precautions.
2. Before using the cryostat, it is necessary to carefully check whether the connection between the equipment and the external wiring (parts) are correct and normal, check whether the power plug is correctly inserted, and whether the voltage, frequency, and indication appearance meet the requirements of the instrument. Is the device in normal condition?
3. It is necessary to participate in the liquid medium in the low temperature thermostat before use, otherwise the heater will be damaged when the power is turned on, and the medium liquid level should be about 30mm lower than the worktable.
4. The selection of the liquid medium in the low-temperature constant temperature bath should meet the following criteria:
a. When the operating temperature is 5 ~ 85 ℃, the liquid medium is usually water;
b. When the operating temperature is 85 ~ 95 ℃, the liquid medium can choose 15% glycerin aqueous solution;
c. When the operating temperature is lower than 5 ℃, the liquid medium is usually alcohol or freezing liquid.
5. After the refrigeration switch of the low temperature constant temperature bath is closed, the refrigeration switch should be opened again for 10 ~ 20 minutes (depending on the ambient temperature).
6. If the water, electricity, gas source is defective or continuous during the test, the relevant switches that affect the safety of the cryostat should be closed immediately, and safety protection measures should be implemented
7. The low temperature thermostat should be placed in a monotonously ventilated place with no obstacles within 300mm around the instrument. When the operating temperature of the low-temperature constant temperature bath is low, care should be taken not to enter the bath with hands to prevent frostbite.
8. After the operation is completed, all switches are placed in a closed state to block the power supply. The low temperature thermostat should do regular cleaning operations, and adhere to the regularity of the work surface and operation panel.
Concerned about the information of the cryostat can be found at http: //
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