Shanghai Bilang Instrument is a professional manufacturer of low-temperature constant temperature baths. It has good product quality, high price-to-price ratio, and is loved by new and old customers. We have always followed the product development tenet of "high starting point, high technology, high quality". 3. Follow the service tenet of "customer satisfaction" and reward each of our users with high-quality products and services! Here, the editor of Bilang elaborates the information about the cryostat!
Low temperature thermostat parts: compressor, condenser, evaporator, fan (inside and outside) circulating water pump, stainless steel liner, heating tube, intelligent temperature control meter. The internal operating principle of the low-temperature tank: after the compressor is operated, it is suctioned, compressed, exhausted, condensed, throttled, and then evaporated at low temperature to absorb heat and vaporize. The water temperature is reduced to the temperature set by the temperature control table, such as the temperature control table The fixed 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.
Bilang editor briefly describes the operating temperature setting of the low-temperature constant-temperature water bath instrument: press the setting function key to enter the temperature setting state, the last bit of the setting value flashes, then press shift first and then add and subtract to set what you need Working temperature, then press the setting function key and save the setting value. At this time, the measurement shows the temperature of the liquid medium in the current tank, and then the microcomputer enters the automatic control state. The set working temperature should be higher than the indoor temperature +8 ℃
The constant temperature water tank is a low temperature experimental instrument developed for scientific research, biology, physics, medicine, chemical industry and other departments that have high requirements for constant temperature accuracy. It has the characteristics of making the temperature in the tank uniform and intelligent temperature control more accurate. It can also be used as an ordinary thermometer and Calibration purpose in the manufacture of other temperature measuring instruments.
Cautions in the operation of cryostat
A. The liquid medium must be added into the cryostat before use, otherwise the heater will be damaged when the power is turned on, and the medium liquid level should be about 30mm below the worktable.
B. The selection of the liquid medium in the low-temperature constant temperature bath should comply with the following principles: a. When the working temperature is 5 ~ 85 ℃, the liquid medium generally selects water; b. When the working temperature is 85 ~ 95 ℃, the liquid medium can use 15 % Glycerin aqueous solution; c. When the working temperature is lower than 5 ℃, the liquid medium is generally alcohol or freezing liquid.
C. After the refrigeration switch of the low-temperature constant-temperature bath is turned off, the refrigeration switch should be turned on again at intervals of 10 ~ 20 minutes (depending on the ambient temperature).
D. Low temperature thermostat 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.
E. The low-temperature constant-temperature bath should be placed in a dry and ventilated place with no obstacles within 300mm around the instrument. When the working temperature of the low-temperature constant temperature bath is low, care should be taken not to enter the bath to prevent frostbite. After use, all switches are turned off to cut off the power. The low temperature thermostat should do regular cleaning work to keep the work surface and operation panel clean.
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