HNZXIB
HNZXIB GDX-5/10 Heating Cooling Circulator -9~199°C laboratory supply
A heating and cooling circulator covering -9 °C to 199 °C with a sealed liquid cycle and integrated safety protections
- TypeHeating And Cooling Circulator
- FeaturesEco-Friendly
- Color/FinishWhite
- Continuous deep heating across the full -9 to 199 °C range
- Eco-friendly CFC- and HCFE-free refrigerants reduce environmental impact
- Large integrated heat-exchange area speeds up heating and cooling cycles
- Closed liquid circuit prevents vapour or oil mist at extreme temperatures
- Expansion vessel stays below 60 °C for safer operation
Heating Cooling Circulator
The HNZXIB GDX-5/10 is a laboratory heating and cooling circulator that integrates a low-temperature pump with a high-temperature oil bath. It delivers a sealed liquid circulation system across a -9 to 199°C range using eco-friendly CFC and HCFE-free refrigerants. The closed-loop design prevents water vapour absorption at low temperatures and oil mist release at high temperatures. An expansion vessel remains below 60°C regardless of the circulation temperature.
Suitable applications and limits
This unit suits universities, environmental protection, biochemistry, medical, chemical and scientific research fields needing continuous deep heating and fast temperature swing rates. The integrated container provides a large heat exchange area while reducing heat transfer oil volume. Buyers requiring open-bath access or a temperature range extending beyond 199°C should look at alternative equipment. The self-diagnosis and multiple overload protections support unattended operation in professional labs.
Critical specification
The operating temperature span of -9 to 199°C is the single figure that determines whether this circulator meets a specific process requirement. The sealed circulation system and expansion vessel design keep the heat transfer medium stable across the full range. Confirm that your application fits within these thermal limits before purchasing.
Highlights
- Continuous deep heating across the full -9 to 199 °C range
- Eco-friendly CFC- and HCFE-free refrigerants reduce environmental impact
- Large integrated heat-exchange area speeds up heating and cooling cycles
- Closed liquid circuit prevents vapour or oil mist at extreme temperatures
- Expansion vessel stays below 60 °C for safer operation
Specifications
| Type | Heating And Cooling Circulator |
|---|---|
| Features | Eco-Friendly |
| Brand | HNZXIB |
| Model | GDX-5/10 |
| Color/Finish | White |
Questions about this item
How can I confirm the GDX-5/10 is working correctly after installation?
Verify the self-diagnosis function runs without error codes, check that the freezer overload protection and high-pressure switch remain inactive, and confirm the expansion vessel temperature stays below 60°C during both heating and cooling cycles.
What comes with the circulator and what must I source separately?
The unit includes the integrated heating and cooling container, low-temperature pump, high-temperature oil bath, expansion vessel, and safety devices such as overload relay and thermal protection; heat-transfer oil and any external tubing or fittings are not included.
Which capacity version of the GDX-5/10 should I choose for my application?
The 10 L model covers a continuous range from -9°C to 199°C with a sealed liquid circuit, making it suitable for university, biochemical, medical and chemical research where both deep cooling and high-temperature stability are required.
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