1. Low-temperature thermostatic bath The low-temperature constant temperature tank is a low-temperature liquid circulation equipment that adopts mechanical refrigeration. The low- temperature thermostatic tank has the functions of providing low-temperature liquid and low-temperature water bath, combined with rotary evaporator, vacuum freeze-drying tank and circulating water multi-purpose vacuum pump. Magnetic stirring and other instruments for chemical reaction operations and drug storage at low temperature.
The large-scale low-temperature coolant circulation pump constant-flow, constant-pressure, and circulating fluid can meet the cooling needs of valuable instruments such as electron microscopes, electron probes, ultra-high vacuum sputtering instruments, X-ray machines, lasers, and accelerators. For high-purity metals, rare material purification, environmental experiments, magnetron sputtering, vacuum coating and other large equipment, it can provide cooling water that meets the dual requirements of temperature and water purity. The equipment is especially suitable for chemical, biological and physical laboratories that need to maintain low temperature and normal temperature conditions. It is a laboratory for medical and health, chemical industry, food industry, metallurgical industry, colleges and universities, scientific research, genetic engineering, polymer engineering, etc. Essential equipment.
Second, the characteristics of the low temperature constant temperature tank 1, low temperature constant temperature air cooling test fully enclosed compressor refrigeration, microcomputer controller to control the opening and closing of the refrigeration system, the refrigeration system has a variety of protection devices for delay, overheat, over current, over voltage.
2, refrigeration units, special relays, protectors, capacitors, etc. are branded products to ensure reliability and service life.
3. The circulating pump can output the cooling liquid inside the machine, cool or thermostat the experimental container outside the machine or establish a second constant temperature field.
4. The low temperature constant temperature tank circulation system adopts stainless steel material, which has the functions of anti-corrosion, anti-rust and anti-cold liquid pollution.
5, low temperature thermostat for high purity metal, rare material purification, environmental laboratory several magnetron sputtering, vacuum coating equipment and other large valuable experimental equipment, can provide cooling water to meet the dual requirements of temperature and water quality, energy saving, water saving The anti-pollution and anti-scaling features can effectively protect large-scale precision instruments and equipment.
6. The low temperature constant temperature tank is integrated with circulating cooling, which is small in size and reasonable in power, which fully shows the space saving feature.
7. All the operations of the low temperature constant temperature bath are on the microcomputer control board, press the touch soft key to complete, the operation is simple and intuitive.
Third, the preparation of the low temperature thermostat before use 1, when using the low temperature thermostat for the first time, should open the top cover, add water or antifreeze, add to the top of the top cover 3cm.
2. Connect all the cooling circulation pumps to the system used in the experiment, and connect the inlet and outlet of the equipment with the insulated hose to the inlet and outlet of the experimental instrument. This loop is a closed system loop.
3. If only the cooling circulation pump is used, connect the circulating fluid into and out of the inlet.
4. When the liquid in the tank is flammable and explosive, it is forbidden to turn on the heating.
5. When the control is below 35 degrees, if the temperature control requirement is not high, just turn on the refrigeration switch, turn off the heating switch, set the parameter cooling and cooling back to the difference dn to -0.2 degrees, and stop the compressor to control the temperature. If the temperature control requirements are high, turn on the cooling switch, heat the switch, set the parameter cooling and cooling back to the difference dn to 10 degrees, the compressor does not stop, rely on heating to control the temperature.
6. When controlling more than 35 degrees, just turn on the heating switch and turn off the cooling switch.
Fourth, low temperature thermostat function and operation 1, temperature display:
The actual measured temperature is displayed when the controller is powered up.
2, parameter setting:
(1) Set the temperature, press the SET button, the upper row shows the SP lower row as the required setting value, press the up or down button to reach the desired setting value, and then press the SET button to exit.
(2) Modify the internal parameters, press the SET button for more than 5 seconds to display the function menu of the table (1). When the SET button is clicked, press the LK to the password lock, and press the up button to display the lower row of the LK as 1. Then press the SET button, press the desired parameter, and modify it in the same way. Press the SET button for more than 5 seconds.
3. Equipment operation:
(1) After turning on the low temperature thermostat power supply, the heating or cooling switch must be pressed, otherwise the controller will display an output, but the command cannot be completed.
(2) Each time the compressor is turned on, it will delay for 3 minutes to have a cooling output.
(3) After completing the above steps, the cryostat will run automatically.
4. Fault status:
(1) The controller measures the sensor open circuit, short circuit or temperature measurement out of range with code display and sound and light alarm output.
(2) After the failure of the low temperature bath, the compressor stops and there is an audible and visual alarm output.
Provision and supply of circulating coolant a) When installing the coolant, connect the coolant inlet and outlet, press the cooling button and the cycle button to circulate it internally to reach the temperature you need, and press the cycle button to close the cycle. Then connect the inlet and outlet of the coolant to the inlet and outlet of the required equipment, and turn on the cycle button. The illumination button on the panel is the cycle button.
b) Note: All circulating liquids must be non-burning, non-explosive, non-corrosive liquids.
c) If water is used as the circulating liquid, the temperature of the output liquid is less than or equal to zero; if an aqueous solution of ethylene glycol or other freezing liquid is used, the temperature of the liquid returned to the liquid is preferably 10 degrees or less.
The large-scale low-temperature coolant circulation pump constant-flow, constant-pressure, and circulating fluid can meet the cooling needs of valuable instruments such as electron microscopes, electron probes, ultra-high vacuum sputtering instruments, X-ray machines, lasers, and accelerators. For high-purity metals, rare material purification, environmental experiments, magnetron sputtering, vacuum coating and other large equipment, it can provide cooling water that meets the dual requirements of temperature and water purity. The equipment is especially suitable for chemical, biological and physical laboratories that need to maintain low temperature and normal temperature conditions. It is a laboratory for medical and health, chemical industry, food industry, metallurgical industry, colleges and universities, scientific research, genetic engineering, polymer engineering, etc. Essential equipment.
Second, the characteristics of the low temperature constant temperature tank 1, low temperature constant temperature air cooling test fully enclosed compressor refrigeration, microcomputer controller to control the opening and closing of the refrigeration system, the refrigeration system has a variety of protection devices for delay, overheat, over current, over voltage.
2, refrigeration units, special relays, protectors, capacitors, etc. are branded products to ensure reliability and service life.
3. The circulating pump can output the cooling liquid inside the machine, cool or thermostat the experimental container outside the machine or establish a second constant temperature field.
4. The low temperature constant temperature tank circulation system adopts stainless steel material, which has the functions of anti-corrosion, anti-rust and anti-cold liquid pollution.
5, low temperature thermostat for high purity metal, rare material purification, environmental laboratory several magnetron sputtering, vacuum coating equipment and other large valuable experimental equipment, can provide cooling water to meet the dual requirements of temperature and water quality, energy saving, water saving The anti-pollution and anti-scaling features can effectively protect large-scale precision instruments and equipment.
6. The low temperature constant temperature tank is integrated with circulating cooling, which is small in size and reasonable in power, which fully shows the space saving feature.
7. All the operations of the low temperature constant temperature bath are on the microcomputer control board, press the touch soft key to complete, the operation is simple and intuitive.
Third, the preparation of the low temperature thermostat before use 1, when using the low temperature thermostat for the first time, should open the top cover, add water or antifreeze, add to the top of the top cover 3cm.
2. Connect all the cooling circulation pumps to the system used in the experiment, and connect the inlet and outlet of the equipment with the insulated hose to the inlet and outlet of the experimental instrument. This loop is a closed system loop.
3. If only the cooling circulation pump is used, connect the circulating fluid into and out of the inlet.
4. When the liquid in the tank is flammable and explosive, it is forbidden to turn on the heating.
5. When the control is below 35 degrees, if the temperature control requirement is not high, just turn on the refrigeration switch, turn off the heating switch, set the parameter cooling and cooling back to the difference dn to -0.2 degrees, and stop the compressor to control the temperature. If the temperature control requirements are high, turn on the cooling switch, heat the switch, set the parameter cooling and cooling back to the difference dn to 10 degrees, the compressor does not stop, rely on heating to control the temperature.
6. When controlling more than 35 degrees, just turn on the heating switch and turn off the cooling switch.
Fourth, low temperature thermostat function and operation 1, temperature display:
The actual measured temperature is displayed when the controller is powered up.
2, parameter setting:
(1) Set the temperature, press the SET button, the upper row shows the SP lower row as the required setting value, press the up or down button to reach the desired setting value, and then press the SET button to exit.
(2) Modify the internal parameters, press the SET button for more than 5 seconds to display the function menu of the table (1). When the SET button is clicked, press the LK to the password lock, and press the up button to display the lower row of the LK as 1. Then press the SET button, press the desired parameter, and modify it in the same way. Press the SET button for more than 5 seconds.
3. Equipment operation:
(1) After turning on the low temperature thermostat power supply, the heating or cooling switch must be pressed, otherwise the controller will display an output, but the command cannot be completed.
(2) Each time the compressor is turned on, it will delay for 3 minutes to have a cooling output.
(3) After completing the above steps, the cryostat will run automatically.
4. Fault status:
(1) The controller measures the sensor open circuit, short circuit or temperature measurement out of range with code display and sound and light alarm output.
(2) After the failure of the low temperature bath, the compressor stops and there is an audible and visual alarm output.
Provision and supply of circulating coolant a) When installing the coolant, connect the coolant inlet and outlet, press the cooling button and the cycle button to circulate it internally to reach the temperature you need, and press the cycle button to close the cycle. Then connect the inlet and outlet of the coolant to the inlet and outlet of the required equipment, and turn on the cycle button. The illumination button on the panel is the cycle button.
b) Note: All circulating liquids must be non-burning, non-explosive, non-corrosive liquids.
c) If water is used as the circulating liquid, the temperature of the output liquid is less than or equal to zero; if an aqueous solution of ethylene glycol or other freezing liquid is used, the temperature of the liquid returned to the liquid is preferably 10 degrees or less.
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