The low temperature constant temperature circulator belongs to a series of products of the constant temperature bath. Here we take a look at the use and maintenance method of the low temperature constant temperature circulator of Shanghai Bilang Instrument Manufacturing Co., Ltd. The use and maintenance of the cryostat is viewed from the following aspects:
First, let us look at the low-temperature constant-temperature circulator device unit to see if the steering of the fan is accurate. If the forward rotation can be turned on, the reverse rotation indicates that the power supply wiring is reversed, and the phase sequence must be replaced before starting. The setting values ​​of the various protection devices of the unit of the cryogenic constant temperature circulator are set up by the factory, and the user should not arbitrarily change it.
Secondly, when the unit of the low temperature constant temperature circulator malfunctions and stops, first press the unit's stop button (the alarm light will go out), then check the cause of the fault, and must not force the machine to run before the fault is eliminated. If it is not an emergency, the unit should not be closed by blocking the main power supply; if the unit of the low temperature constant temperature circulator is used for a long time in the winter, the unit will be closed first, then the main power supply will be closed, and the water in the system will be drained.
The third point is to keep the equipment room clean and well ventilated, and clean and remove the condenser on time to ensure that the low temperature constant temperature circulator unit does not work properly. The downstream low temperature constant temperature circulator should keep the cooling water tower clean, and keep the air near the water tower smooth and smooth, and the temperature is low, so as to prevent debris from entering the cooling tower to reduce heat dissipation efficiency.
The fourth point of the air-cooled low-temperature coolant recirculating device of the cryogenic constant temperature circulator should keep the surface of the cooling coil of the low-temperature coolant recirculating device clean, ensure the smooth flow of the nearby air, low temperature, and clean the scale on the coil to ensure good Heat transfer effect. If the cryostat has been used for more than six months, or the high/low voltage switch is often malfunctioning, or the cooling capacity is reduced, please arrange for the staff to clean the condenser. If the repair is performed according to the above instructions many times, the alarm of the low-temperature coolant recirculation device still sounds long, then the professional maintenance of the low-temperature coolant recirculation device staff should be repaired.
The above article is provided by Shanghai Billion Instruments. You are welcome to learn more about laboratory equipment from Baidu Search Shanghai Billion Instrument Mall.
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