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Labotemp Systems
Portable Laboratory Stirling Freezer LDF-22

Portable Laboratory Stirling Freezer LDF-22

Product catalog summary

Description: The Labotemp Portable Laboratory Stirling Freezer LDF-22 is a compact and portable freezer designed for ultra-low temperature storage and transport of biological samples, vaccines, pharmaceuticals, and research materials. It features a 25 L storage capacity with a temperature range from +25°C to -60°C and maintains a temperature stability of ±1°C. The freezer is equipped with high-performance vacuum insulation panels and polyurethane foam to minimize heat loss and improve energy efficiency. It is compatible with both AC and DC power sources, making it suitable for mobile laboratories and cold chain transportation.

Advanced Stirling Cooling Technology: The LDF-22 utilizes a free-piston Stirling cooling engine, which is a compressor-free refrigeration system that uses helium gas. This technology reduces vibration, noise, and maintenance needs while providing rapid cooling to -60°C and maintaining energy efficiency with an average consumption of 40 W. The environmentally friendly R-170 refrigerant and intelligent temperature monitoring ensure reliable and sustainable ultra-low temperature storage.

Key Features:

Compressor-free technology for quiet and efficient cooling.
25 L capacity with AC/DC power compatibility.
High-performance vacuum insulation and eco-friendly refrigerant.
Energy-efficient operation with a noise level below 55 dB.
Manual defrost method and lockable lid for security.

Specifications:

Storage Volume: 25 L
Temperature Range: +18°C to -60°C
Cooling Technology: Free Piston Stirling Cooler
Refrigerant: Helium (He)
Operating Environment: 5°C to 35°C, ≤80% RH, Altitude ≤2000 m
Internal Dimensions: 300 × 250 × 300 mm
External Dimensions: 616 × 392 × 455 mm
Net Weight: 17.5 kg
Power Supply: 100–240 V AC, 50/60 Hz; 12–24 V DC
Maximum Power Consumption: 100 W

Applications: The LDF-22 is ideal for various applications including biological sample storage, pharmaceutical cold chain, clinical laboratories, biotechnology research, blood banks, medical facilities, research institutes, field research, industrial temperature testing, and portable cold chain logistics.

Catalog excerpts

Portable Laboratory Stirling Freezer LDF-22-1

LABOTEMP Your Partner in Temperature Precision Portable Laboratory Stirling Freezer LDF-22 www.labotemp.com | [email protected]

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Portable Laboratory Stirling Freezer LDF-22-2

Description: Labotemp Portable Laboratory Stirling Freezer LDF-22 is a compact portable freezer engineered for reliable ultra-low temperature storage and transport of biological samples, vaccines, pharmaceuticals, reagents, and research materials. Featuring a 25 L storage capacity, adjustable temperature range from +25°C to -60°C, and ±1°C temperature stability, it provides dependable cold storage for laboratory, clinical, pharmaceutical, and field applications. The high-performance vacuum insulation panels and polyurethane foam insulation minimize heat loss while improving energy efficiency,...

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Portable Laboratory Stirling Freezer LDF-22-3

□ Energy-Efficient Operation: High-performance vacuum insulation and ecofriendly R-170 refrigerant reduce power consumption while maintaining dependable cooling.

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Portable Laboratory Stirling Freezer LDF-22-5

Features: Stirling Cooling Military-grade Free Piston Stirling cooling technology delivers highly efficient and compressor-free ultra-low temperature refrigeration. Provides dependable storage and transportation of biological samples, pharmaceuticals, vaccines, and other temperature-sensitive materials. Reaches temperatures as low as -60C , making it suitable for demanding coldchain applications. Compact and lightweight construction enables convenient transport between laboratories, healthcare facilities, and field locations. Rapid cooling performance minimizes sample exposure time and preserves...

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Portable Laboratory Stirling Freezer LDF-22-6

Applications: Biological Sample Storage: Provides reliable ultra-low temperature preservation of biological specimens, tissues, and research samples. Pharmaceutical Cold Chain: Ensures safe storage and transportation of pharmaceuticals, vaccines, biologics, and temperature-sensitive medicines. Clinical Laboratories: Maintains the integrity of clinical specimens during storage and transport for diagnostic and research applications. Biotechnology Research: Supports the preservation of DNA, RNA, proteins, enzymes, cell cultures, and other sensitive biomaterials. Blood Banks: Facilitates the temporary...

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Portable Laboratory Stirling Freezer LDF-22-7

Field Research & Environmental Monitoring: Enables secure preservation of environmental, agricultural, and ecological samples collected from remote locations. Industrial Temperature Testing: Suitable for industrial low-temperature simulation and testing of materials requiring controlled ultra-low temperature environments. Portable Cold Chain Logistics: Designed for mobile transportation of temperature-sensitive products while maintaining an uninterrupted cold chain. 144 E, Midwest Avenue, Casper WY 82601, USA Website: www.labotemp.com | Email: [email protected]

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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