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White boxy laboratory chiller with digital display and hose connections on front panel

HNZXIB

HNZXIB DLSB-5/20 -20°C Lab Chiller 5L 110V laboratory supply

SKU CH-D07A-61SKT MPN DLSB-5/20

A 5 L refrigerated circulator delivers liquid down to −20 °C with ±0.2 °C precision and a 20 L/min pump for rotary evaporators or jacketed reactors

  • TypeCooling Chiller
  • Temperature Range-10°C~RT
  • Capacity5L
  • Voltage110V
  • 5 L reservoir supplies ample coolant volume
  • Microcomputer controller with digital display simplifies operation
  • Circulation pump delivers 20 L/min flow at 4-6 m lift
  • Mechanical refrigeration reaches -24 °C no-load minimum
  • Top-class brand compressors and key parts ensure reliable performance

5 L laboratory chiller

The HNZXIB DLSB-5/20 is a 5 L refrigerated circulator designed for laboratory low-temperature applications. It supplies chilled liquid to equipment such as rotary evaporators, jacketed reactors and vacuum freeze-drying ovens. The unit operates on a 110 V 60 Hz supply and is intended for users who need stable sub-ambient cooling in a compact bench-top format.

Sustained cooling performance

The chiller delivers a no-load minimum temperature of -24 °C and a working range down to -20 °C with a precision of ±0.2 °C. Its refrigeration capacity spans 1328 W down to 319 W depending on load, while the circulation pump provides a flow of 20 L/min at a lift of 4-6 m. These figures describe continuous operation rather than short-term pull-down.

5 L reservoir capacity

The internal reservoir holds 5 L or 5000 ml of heat-transfer fluid, which determines how much thermal mass the system can buffer during prolonged reactions. Buyers who need a larger fluid volume for bigger reactors or longer runs should consider the 10 L, 20 L or higher-capacity models in the same series.

Highlights

  • 5 L reservoir supplies ample coolant volume
  • Microcomputer controller with digital display simplifies operation
  • Circulation pump delivers 20 L/min flow at 4-6 m lift
  • Mechanical refrigeration reaches -24 °C no-load minimum
  • Top-class brand compressors and key parts ensure reliable performance

Specifications

TypeCooling Chiller
Temperature Range-10°C~RT
Capacity5L
Voltage110V

Questions about this item

How much heat and power does the 110V compressor draw when the chiller runs continuously at -20°C?

The unit draws 110V at 60Hz with a refrigeration capacity ranging from 319W to 1328W depending on load, so sustained operation at the lowest temperature will sit near the upper end of that range.

Which fittings or tubing must I already have to connect the 20L/min pump to my reactor?

The circulator delivers 20L/min at 4-6m lift through standard laboratory hose barbs, so you will need compatible tubing and clamps rated for sub-zero coolant.

Will the ±0.2°C stability hold when I plumb this 5L chiller into an older rotary evaporator?

Yes, the microcomputer controller maintains ±0.2°C precision across the -20°C to ambient range, and the 5L reservoir buffers temperature swings from legacy glassware.

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