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Low temperature circulation bath
The cryogenic liquid bath is a high-precision constant temperature source with its own refrigeration. It can be used for constant temperature freezing experiments in the water tank of the machine, or connected to other equipment through a hose, and used as a constant temperature source. Widely used in petroleum, chemical, electronic instrumentation, physics, chemistry, bio-pharmaceutical, medical and health, life sciences, light industrial food, biotechnology, beer quality assurance test, wood-based panel manufacturing physical property test and chemical analysis research institutes, universities, The quality inspection and production department of the enterprise can meet the high-precision cyclic cooling from large industrial equipment to small experimental analytical instruments. The user can provide a field source with uniform and constant cold controlled temperature for test samples or production. The product is subjected to constant temperature testing or testing and can also be used as a direct cooling source.
1. Adopting single-compressor natural cascade refrigeration technology, the result is simple and stable, and has multiple protection devices for overheating and overcurrent.
2. Easy to operate: simply connect the power supply to use
3. Efficient: The coolant is only about 30 minutes from normal temperature to the target temperature.
4. Coolant temperature range: -35 ° C ~ -125 ° C adjustable
5. Low cost of use: just connect the power supply, the average is less than 5 kWh per hour, no other consumables, consumables, safe and reliable.
6. The circulation pump can externally introduce the constant temperature liquid in the tank to establish a second constant temperature field.
7. The cold liquid in the tank can be externally led, and the experimental container outside the cooling machine can also be directly subjected to low temperature and constant temperature experiment in the tank.
8. Adopt PLC automatic control system, temperature digital display.
9. The inner liner and the countertop are all 304 stainless steel, clean and hygienic, beautiful and corrosion resistant.
Precautions for use
1. Use liquid medium in the front tank of the low temperature constant temperature tank. The liquid level of the medium should be lower than 40mm of the work board. Otherwise, the heater will be damaged when the power is on.
2. The selection of the refrigerant medium in the cryostat should meet the following principles:
When the working temperature is between 15 and 7 ° C, the brine medium is generally selected from water;
When the working temperature is between 5 and -25 ° C, the brine medium may be selected from a 35% aqueous solution of ethylene glycol;
When the working temperature is between -30 ° C and -100 ° C, the refrigerant medium is generally selected from alcohols.
When the working temperature is between -100 ° C and -125 ° C, the brine medium is generally selected from synthetic alcohols.
3, power: 220V-380v 50Hz, the power supply should be greater than the total power of the equipment, the power supply must have a good "grounding" device
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