Stirling Refrigeration Unit for Laboratory-Grade Cooling

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Basic Information

Model NO.

RS100 PLUS

Type

Air-Cooled

Cooling Water

Deep Cooling

System Type

Closed System

Fans Species

Single-speed Fan

Noise Level

Low

Application Fields

Chemical

Certification

RoHS, CE

Coolant

Helium=3G

Working Condition

0℃~+43℃

Temp Range

-150c~0c

Cooling Capacity

100W

Power Input

24~30V DC 6A(RMS)

Net Weight

7kg (15.43lbs)

Specification

132x132x336mm

HS Code

8412390090

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Product Description

A specialized developer of innovative cooling technology has introduced the Free Piston Stirling Cryocooler (FPSC). This cryocooler brings refrigeration to a new level, offering significant energy savings and greatly improved efficiency.

The FPSC has several advantages over traditional refrigerated compressor systems. It can achieve ultra-low temperatures down to -86ºC (Max -160ºC) and contains no moving parts except for the pistons, significantly reducing the risk of mechanical failure. Its high efficiency makes it ideal for Food, Cold chains, Laboratory Equipment, Automatic Devices, Petrochemicals, Scientific Research, Life Science, Medical Imaging, and cooling electronic components.

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Technical Data

Model	RS100 PLUS
Voltage	DC12V ~ 30V
Refrigerant	Helium 3g
Cooling Capacity	100W
Weight	15.43lbs / 7kgs
Current	3~8A
Ambient Temp	0ºC ~ 35ºC
Cold Fin Temp Range	-150ºC ~ 0ºC
Size	132x132x336mm

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Detailed Photos

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Technical Drawing

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Key Advantages

Environmentally Friendly: Uses helium gas, a naturally occurring, harmless gas for humans and the environment.
Super Cooling Capacity: Easily reaches temperatures below -99ºC on the cold head.
Lightweight & Compact: Only 6~7 kgs—half the weight of traditional compressor systems.
Precise Temp Control: Continuously modulated by electronic circuitry for a constant set temperature without on/off cycling.
Energy Savings: Consumes only 40W~100W; compatible with 12V/24V DC, solar power, or 110/220V AC.

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Applications

Free Piston Stirling Cryocoolers are CFC-free systems using natural helium. They are widely utilized in industries requiring precise temperature control under -160ºC, including:

Biotech, Pharmaceutical, Food, Energy, Chemical, Medical, Bio-Science, Logistics, and Metrology.

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Stirling Cooler Series

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Frequently Asked Questions

What is a Stirling cooler?

A Stirling cooler is a refrigeration system operating on the Stirling cycle. It uses the temperature difference between an external heat source and a cooling source to induce compression and expansion in a gas (usually helium) to transfer heat and achieve cooling.

What are the primary advantages of this technology?

Key benefits include high efficiency at ultra-low temperatures (below -100°C), no harmful refrigerants, low noise and vibration, and extremely precise temperature stability.

In which industries are Stirling coolers used?

They are widely used for cryogenic cooling in laboratories, medical devices, aerospace (satellites), environmental testing, and portable cooling for sensitive biological materials.

How does it differ from a traditional compressor-based cooler?

Unlike traditional systems that expand refrigerants via a compressor, Stirling coolers use a closed gas cycle. They are more efficient at very low temperatures and offer a more compact, lightweight form factor.

What maintenance is required?

Stirling coolers require minimal maintenance as they lack many moving parts. Maintenance typically involves checking helium pressure, ensuring air filters are clean, and inspecting heat exchange surfaces.

What is the typical lifespan of the unit?

With proper maintenance and operating conditions, these coolers are designed for long-term use, often reaching tens of thousands of operating hours.