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China, Chinese Low Temperature Constant Temperature Reaction Bath with Magnetic Stirring & LCD Display1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Laboratory InstrumentsLaboratory ThermostatLow-Temp Circulating BathLow-Temperature Reaction Bath
Xinxiang Ln Special Equipment Co., Ltd.
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Product DescriptionProduct DescriptionLow-Temperature Constant BathThe DLSB-20/80 is a high-performance, dual-purpose laboratory chiller designed for both direct immersion cooling and external circulation applications. It achieves an ultra-low temperature range of -80°C to room temperature, making it an ideal solution for demanding processes in chemistry, biochemistry, pharmaceutical, and material science labs. Its robust construction and precise temperature control (±0.1°C) ensure reliability for sensitive experiments.Wide Temperature Range: Operates from -80°C to RT, covering most laboratory cooling needs.Dual Application Modes: Function as an open bath for immersing samples directly or as a powerful circulator to cool external equipment like reaction kettles, condensers, and rotary evaporators.High-Precision Control: Advanced PID control with an PT100 sensor maintains a stable temperature with an accuracy of ±0.1°C.Powerful Cooling & Circulation: Features two 3P compressors (4800W total) for rapid cooling and a corrosion-resistant pump with a 9m head and 30L/min flow rate for strong external circulation.Durable & Safe Construction: The bath is made of anti-corrosion materials, and the system includes multiple safety protections (delay, over-current, overheating). The circulation system utilizes 304 stainless steel for rust and corrosion prevention.SpecificationActual Product PhotoCompany ProfileFAQQ1: Can I use water as the cooling fluid in this chiller?A: No, absolutely not. For temperatures below 0°C, you must use a fluid with a lower freezing point, such as ethanol, silicone oil, or a glycol-water mixture. Using water will cause irreversible damage to the unit.Q2: What is the difference between the "Bath" and "Circulator" functions?A: In "Bath" mode, you place your samples directly into the internal tank of the unit. In "Circulator" mode, you connect hoses from the unit's outlets to your external equipment (like a reactor jacket) to pump coolant through it.Q3: What type of fluid should I use for -80°C operation?A: For temperatures as low as -80°C, you need a high-purity alcohol (like ethanol) or a specialized low-temperature silicone oil. Always ensure the fluid's viscosity remains low enough for the pump to circulate it effectively at your target temperature.Q4: What is the maximum pressure the pump can handle?A: The pump pressure is ≤0.4MPa. Ensure your external equipment and tubing can withstand this pressure to avoid leaks or damage.Q5: How do I connect the hoses for external circulation?A: Connect the OUTLET (lower port) on the left side of the machine to the LOWER INLET of your external device. The RETURN flow from the UPPER OUTLET of your device should connect back to the INLET on the chiller.Q6: What are the environmental requirements for operating this chiller?A: The unit operates best in an environment between 5°C to 35°C with humidity ≤70%. Ensure there is adequate ventilation around the machine, especially for the air-cooled condenser at the back.
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