Precautions for use of low temperature thermostat circulator
1. The selection of the liquid medium in the low-temperature constant temperature bath should conform to the following principles: When the working temperature is 5 ~ 85 ℃, the liquid medium generally selects water; when the working temperature is 85 ~ 95 ℃, the liquid medium can use 15% glycerin aqueous solution; When the working temperature is higher than 95 ° C, the liquid medium generally uses oil, and the open cup flash point of the selected oil should be higher than the working temperature by more than 50 ° C;
2. Use low temperature tank-add liquid medium into the front tank of the low temperature constant temperature tank, the liquid level of the medium should be about 30mm lower than the worktable, otherwise the heater will be damaged when energized;
3. Power supply: 220V50Hz, the power supply should be greater than the total power of the instrument, the power supply must have a good "ground" device;4. The instrument should be placed in a dry and ventilated place with no obstacles within 300mm around the instrument;
5. When the working temperature of the constant temperature bath is high, you should be careful not to open the upper cover and do not enter your hand with the hand to prevent burns;
6. After use, all switches are turned off to cut off the power supply;
7. The instrument should do regular cleaning work to keep the work surface and operation panel clean;
8. Always pay attention to observe the liquid level in the tank. When the liquid level is too low, the liquid medium should be added in time; considering the safety factors, we stipulate that the constant temperature tank above 100 ℃ is made into an internal circulation. If the external circulation is changed according to the customer's requirements, the customer should pay special attention to the firmness of the connection of the outlet pipe to prevent it from falling off to avoid burns.
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