Circulation power of imported high-quality water pump of cryostat

Shanghai Haozhuang Instrument Co., Ltd. has developed the LNB brand low-temperature thermostat, which is energy-saving and environmentally friendly, leading the country. Professional manufacturing is more secure and affordable

Low-temperature constant-temperature bath structure: the shell is made of metal plates, and the control box is directly installed on the water tank. There are two condensate pipes in and out of the water nozzle, and the imported high-quality water pump is used as the circulating power in the water tank, which solves the disadvantages of uneven temperature water, so that the temperature control accuracy of the instrument and the uniformity of water can meet higher requirements. This product can be circulated internally and externally, and the two inlet and outlet pipes can be used as internal circulation by connecting the latex pipe. Remove the latex pipe and connect the two water pipes to the inlet and outlet of the reactor respectively to form an external circulation. Only the copper water pipe is the water outlet pipe connected to the pump, and the other is the water inlet pipe. Please pay attention not to make a wrong connection when connecting to avoid backflow of water when starting up.

Precautions for use: 1. Add liquid medium into the front tank of the low temperature thermostat, the liquid level of the medium should be about 30mm lower than the workbench, otherwise the heater will be damaged when energized;

2. The selection of the liquid medium in the low-temperature constant temperature bath should meet the following principles:

When the working temperature is 5 ~ 85 ℃, the liquid medium generally uses water;

When the working temperature is 85 ~ 95 ℃, the liquid medium can choose 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;

3. Power supply: 220V AC 50Hz, 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; the instrument should be cleaned regularly to keep the work surface and operation panel clean; often pay attention to the liquid level in the observation tank. When the liquid level is too low, it should be Add the liquid medium in time; considering the safety factors, we stipulate that the constant temperature bath above 100 ℃ be 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.

Low temperature thermostat parts and internal operation principle: 1. Low temperature thermostat parts: compressor, condenser, evaporator, fan (inside and outside) circulating water pump, stainless steel liner, heating tube, intelligent temperature control meter. 2. The internal operating principle of the low-temperature tank: after the compressor is operated, it will be vaporized by suction-compression-exhaust-condensation-throttling-and then low-temperature evaporation to absorb heat. The water temperature will be reduced to the temperature set by the temperature control table, such as temperature control The table setting temperature is higher than normal temperature. The contactor in the temperature control meter works automatically, giving the heating tube a current signal, and the heating tube starts to work when working in the low temperature thermostat. The inlet and outlet of the whole machine can be used for internal circulation or external circulation of the internal water source, and the internal water source can also be led out. Do the second constant temperature field outside the cryostat. How to use the cryostat The instrument uses 220V AC power, please make sure that the rated current of the power socket is not less than 10A before use, and it has a safety grounding device (please connect the grounding device to the working room when using it). When adding water, please note that it is not less than 8cm away from the upper cover. Soft water must be used, preferably distilled water. Do not use well water, river water, spring water or other hard water to prevent the heating tube from bursting and affecting the constant temperature sensitivity. Please use it correctly according to the instructions of the temperature control instrument, set the required temperature value> first turn on the power, set the required temperature value on the instrument according to the instruction, when the temperature reaches the set temperature, you can turn on the cycle switch, so All programs enter the normal working state.

The company's main business and production scope include: testing instruments, laboratory equipment, cleaning equipment, environmental protection equipment and undertaking the design and customization of non-standard products and providing related technical services. First-class technology, first-class service.


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