Daily maintenance of low temperature thermostatic bath

Laboratory low-temperature and constant-temperature tanks are widely used in petroleum, chemical industry, electronic instruments, physics, chemistry, bioengineering, medicine and health, life sciences, light industrial food, physical property testing and chemical analysis, quality inspection and production departments of colleges and universities, enterprises, providing users with a field source with controllable cold and heat, uniform and constant temperature, and can also be used as a heat source or cold source for direct heating or refrigeration and auxiliary heating or refrigeration.

Intelligent thermostatic circulator ZX-30A

1. Before use, liquid medium must be added to the low-temperature thermostat, otherwise the heater will be damaged when power is applied, and the liquid level of the medium should be about 30mm lower than the workbench.

2. The selection of liquid medium in the low-temperature incubator shall conform to the following principles:

A. When the working temperature is 5 ~ 85℃, water is generally used as the liquid medium;

B. When the working temperature is 85 ~ 95℃, the liquid medium can be 15% glycerol aqueous solution;

C when the working temperature is lower than 5℃, alcohol or frozen liquid is generally used as the liquid medium.

3. After the refrigeration switch of the low-temperature thermostatic bath is turned off, the interval of turning on the refrigeration switch again should be 10~20 minutes (depending on the ambient temperature).

4. Low temperature and constant temperature power supply: 220V50Hz, which should be greater than the total power of the instrument, and the power supply must have a good "grounding" device.

5. The low-temperature incubator should be placed in a dry and ventilated place, and there are no obstacles within 300mm around the instrument. When the working temperature of the low-temperature thermostatic bath is low, care should be taken not to enter the bath to prevent * *. Turn off all switches and cut off the power supply after use. The low-temperature thermostatic bath should be cleaned regularly to keep the countertop and operation panel clean.