The temperature test chamber is one of the core equipment in the field of environmental testing.The difference between the two main cooling systems of air cooling and water cooling directly affects the choice of test equipment performance and use.
After using the temperature test chamber for high temperature test, the first problem is cooling, so whether to choose air cooling or water cooling is mainly determined by the environment (natural environment, test site environment).
The air cooling system transfers the refrigerant heat to the finned condenser through the compressor unit, and realizes heat dissipation by the forced air convection of the axial fan. The fan speed can be automatically adjusted according to the heat load. The water cooling system is equipped with an independent cooling tower or chiller to dissipate heat and transfer heat to the cooling water circulation system.
In terms of heat exchange efficiency, the thermal conductivity of the plate heat exchanger of the water-cooled system can reach 6000W/m²·K, and the water-cooled system is higher than the air-cooled system.
The temperature of the area is higher, and the effect of water cooling is better and the efficiency is higher. However, if the area is low for a long time, the water will freeze and affect the cooling process, it is suitable for air cooling.
The air cooling unit adopts an integrated design, covers a small area, and the cost is more affordable, to ensure the ventilation environment and the temperature environment of 5 to 28 ℃ around the equipment.
The water cooling unit covers a large area and needs a wide test site and sufficient water supply conditions.
On the whole, there is no advantage or disadvantage between these two cooling methods, air cooling is suitable for conventional laboratories with limited space and temperature and humidity control, and water cooling is the first choice for large load and extreme temperature testing. You can choose according to your actual needs.
LIB Environmental Technology provides both air-cooled and water-cooled temperature test chambers, The LIB high low temperature test chamber has a wide temperature range of 20℃, -40℃, -70℃ (3 low temperature options) to +150℃, Capacity from 100L, 225L,500L,800L,1000L optional, can also be customized larger capacity. And various thermal cycle tests can be carried out.
Model | T-100 | T-225 | T-500 | T-1000 |
Internal Dimension (mm) | 400*500*500 | 500*600*750 | 700*800*900 | 1000*1000*1000 |
Overall Dimension (mm) | 900*1050*1620 | 1000*1140*1870 | 1200*1340*2020 | 1500*1540*2140 |
Interior Volume | 100L | 225L | 500L | 1000L |
Heat load | 1000W | |||
Temperature Range | A : -20℃ ～ +150 ℃ B : -40℃ ～ +150 ℃ C: -70℃ ～ +150 ℃ | |||
Temperature Fluctuation | ± 0.5 ℃ | |||
Temperature Deviation | ± 2.0 ℃ | |||
Cooling Rate | 1 ℃ / min | |||
Heating Rate | 3 ℃ / min | |||
LIB provides modular customization services for specific needs.Please leave your request and the LIB team will contact you as soon as possible.
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