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Rectangular metal lab chiller with digital display and pump connections

HNZXIB

HNZXIB DLSB-5/30 -30°C 5L 220V laboratory supply

SKU CH-5QRM-W15NM MPN DLSB-5/30

A 5 L refrigerated circulator that cools liquid to -30 °C with ±0.2 °C precision and delivers 20 L/min flow for rotary evaporators and jacketed reactors

  • TypeCooling Chiller
  • Temperature Range-30°C~RT
  • Capacity5L
  • Voltage220V
  • Cools to -30 °C with 5 L reservoir
  • ±0.2 °C precision via microcomputer controller
  • 20 L/min pump flow and 4-6 m lift
  • Built-in protection for connected equipment
  • Wooden-case packaging for safe transit

Purpose and users

The HNZXIB DLSB-5/30 is a 5L refrigerated circulator designed for laboratory cooling tasks. It supplies chilled liquid to equipment such as rotary evaporators, jacketed reactors and vacuum freeze-drying ovens. Researchers needing stable sub-ambient temperatures for chemical reactions or sample storage will find it suitable. It is not intended for applications that require a larger reservoir or higher flow rates.

Critical specification

The unit delivers a no-load minimum temperature of -33°C with a working range down to -30°C and a precision of ±0.2°C. Its circulation pump provides a flow of 20L/min and a lift of 4-6m, driven by a compressor rated at 2733-627W. Buyers who need deeper cold such as -40°C or -80°C, or a capacity beyond 5L, must select a different model.

Sustained-load behaviour

Under continuous operation the chiller maintains temperature stability within ±0.2°C at an ambient 25°C and 60-80% humidity. The microcomputer controller manages compressor cycling to sustain the set point over long runs. The wooden-case construction protects internal components during extended use. Users with a 110V or 60Hz supply must confirm compatibility before ordering.

Highlights

  • Cools to -30 °C with 5 L reservoir
  • ±0.2 °C precision via microcomputer controller
  • 20 L/min pump flow and 4-6 m lift
  • Built-in protection for connected equipment
  • Wooden-case packaging for safe transit

Specifications

TypeCooling Chiller
Temperature Range-30°C~RT
Capacity5L
Voltage220V

Questions about this item

What does the -30 °C rating mean once the chiller is running in my lab?

The unit can cool its 5 L reservoir down to -30 °C with no load, reaching a minimum of -33 °C, and it holds the set point within ±0.2 °C during operation.

What circulation standard does the pump use and what flow does it deliver?

The built-in pump delivers 20 L/min at a head of 4–6 m, providing continuous liquid circulation to connected equipment such as rotary evaporators or jacketed reactors.

What bench space and clearance does the DLSB-5/30 need to fit and operate?

The cabinet measures 545 mm wide × 370 mm deep × 640 mm high and requires a ventilated area at 25 °C ambient with 60–80 % humidity for proper heat rejection.

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