Peter Huber Ministat 240 Refrigerated Heating Bath Circulator, Temperature Range: -45 to 200°C

The Peter Huber Ministat 240 is the quintessential compact refrigerated heating bath circulator, holding the title of the world's smallest cooling circulator since 1976. This air-cooled unit is specifically designed to fit into tight laboratory spaces, such as fume hoods or technical plant integrations, without compromising on power or precision. Featuring the Pilot ONE multi-touch controller with a 5.7" TFT color display, it provides a smartphone-like user experience with detailed graphical data and an integrated technical glossary. With a temperature range spanning from -45 to 200°C and a powerful heating system, the Ministat 240 delivers exceptionally rapid heating and cooling rates. Its variable-speed pressure/suction pump is equipped with VPC (Variable Pressure Control) technology to protect delicate glassware, making it the premier choice for external thermoregulation of photometers, refractometers, and viscosimeters.

Key Features:

• Brand: Peter Huber
• Temperature Range: -45 to 200°C
• Temperature Stability: Ultra-precise thermal regulation with ±0.02 K stability according to DIN 12876
• Controller: Pilot ONE multi-touch controller with a 5.7" TFT touchscreen and smartphone-style navigation
• Heating Capacity: Variable heating power reaching 2.0 kW at 230V and 2.1 kW at 240V
• Cooling Capacity: High-performance cooling with 0.6 kW at 20°C, 0.55 kW at 0°C, 0.35 kW at -20°C, and 0.05 kW at -40°C
• Circulation Pump: Variable speed pressure/suction pump (max. 22 l/min pressure; 16 l/min suction)
• Power Supply: 220-240V 1~/2~ 50/60Hz with a maximum current consumption of 12 A
• Bath Construction: 4.9-liter stainless steel bath (volume reducible to 2.8L with optional displacement insert)
• Digital Interfaces: Standard Ethernet, USB (Host and Device), and RS232 for modern lab connectivity
• Safety Standards: Safety Class III (FL) according to DIN 12876 for unsupervised continual operation
• Eco-Friendly: Uses natural R290 refrigerant with zero ODP and negligible GWP

The Ministat 240 is built for longevity and flexibility, featuring "Plug & Play" controller technology that allows for easy service or upgrades. The unit includes Active Cooling Control to maintain performance at high working temperatures and automatic regulation for energy efficiency. All wetted parts are constructed from high-quality stainless steel or polycarbonate, ensuring durability and chemical resistance for a wide range of laboratory fluids.

Frequently Asked Questions

1. How does the Ministat 240 save space in the laboratory?
With its compact footprint (300 x 465 x 516 mm), the Ministat 240 is designed to fit where other circulators cannot, making it ideal for placement inside crowded fume hoods or small laboratory benches.

2. Can I adjust the pump speed for sensitive glass applications?
Yes, the Pilot ONE controller allows you to infinitely adjust the pump speed. Additionally, the optional VPC (Variable Pressure Control) can be used to monitor and limit maximum pressure to protect delicate glassware.

3. What are the advantages of using the optional displacement insert?
The displacement insert reduces the internal bath volume by approximately 50%, which leads to even faster heating and cooling rates and reduces the total volume of thermal fluid required.

4. Is the Ministat 240 suitable for unsupervised operation?
Yes, it complies with DIN 12876 Class 3 standards, featuring overtemperature and low-level protection, allowing it to be used safely for continuous, unattended operation.

5. Does the unit handle power failures automatically?
The Pilot ONE controller includes an autostart function that can be configured to automatically resume operation once power is restored, preventing the loss of valuable experimental time.