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Small Laboratory Freezer LDF-21

Small Laboratory Freezer LDF-21

Product catalog summary

Description: The Labotemp Small Laboratory Freezer LDF-21 is a portable freezer utilizing advanced Stirling Freezer technology for ultra-low temperature storage. It offers a 25 L capacity with a temperature range from +18°C to -45°C, suitable for various sensitive materials. The freezer uses a free-piston Stirling cooling engine with helium refrigerant, providing stable cooling, low vibration, and energy efficiency.

Advanced Stirling Cooling Technology: The LDF-21 features a free-piston Stirling cooling system that operates without a conventional compressor, using helium for rapid cooling and precise temperature control. It consumes an average of 40 W during steady-state operation and includes environmentally friendly R-170 refrigerant, temperature alarms, and rugged construction.

Why Choose Labotemp LDF-21? The freezer offers efficient, low-vibration, compressor-free performance, a compact design with AC/DC power compatibility, and adjustable temperatures with ±1°C stability.

Specifications:

General Specifications: Portable Ultra Low Temperature Freezer, 25 L storage volume, +18°C to -45°C temperature range, helium refrigerant, digital temperature display, and RTD sensor.
Performance & Temperature Control: Cooling from 25°C to -45°C in 1.5 hours, ±1°C temperature stability, 30 W energy consumption, <50 dB noise level, manual defrost, and ±10°C temperature alarm setpoint.
Electrical & Construction: 100–240 V AC and 12–24 V DC power supply, 100 W maximum power consumption, vacuum insulated panels, and lockable lid.
Dimensions & Packaging: Internal dimensions: 300 × 250 × 300 mm, external dimensions: 616 × 392 × 455 mm, shipping dimensions: 710 × 480 × 533 mm, and 21 kg shipping weight.

Features: The freezer ensures efficient cooling with Stirling technology, rapid pull-down performance, stable temperature maintenance, dual power operation, environmentally friendly helium refrigerant, and a gravity-driven thermosiphon system. It is quiet, energy-efficient, and equipped with a precision temperature sensor and lockable lid.

Applications: Suitable for clinical laboratories, biotechnology research, pharmaceutical industry, hospitals, blood banks, public health programs, field research, and emergency medical services, providing reliable storage and transport of temperature-sensitive materials.

Catalog excerpts

LABOTEMP Your Partner in Temperature Precision Small Laboratory Freezer LDF-21 www.labotemp.com | [email protected]

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Labotemp Small Laboratory Freezer LDF-21 combines compact portability with advanced Stirling Freezer technology for dependable ultra-low temperature storage and transportation of temperature-sensitive materials. Designed as a Portable Lab Freezer, it offers a 25 L storage capacity with an operating temperature range from +18°C to -45°C, making it suitable for biological samples, laboratory reagents, vaccines, pharmaceutical products, clinical specimens, and field research applications. The free-piston Stirling cooling engine uses environmentally friendly helium refrigerant to provide stable cooling...

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Features: Stirling Freezer Advanced Free Piston Stirling cooling technology ensures compressor-free, highly efficient cooling. Achieves a temperature range from +18C to -45C with precise temperature control. Rapid pull-down performance, cooling from 25C to -45C in approximately 1.5 hours. Maintains stable cabinet temperature with –1C temperature stability . Operates on both 100240 V AC and 1224 V DC , enabling laboratory and vehicle operation. Utilizes 100% natural Helium (He) refrigerant for environmentally friendly operation. Gravity-driven thermosiphon heat transfer system delivers reliable...

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Applications: Clinical Laboratories: Provides reliable ultra-low temperature storage and transport of clinical specimens, blood samples, and diagnostic materials. Biotechnology Research: Preserves DNA, RNA, enzymes, proteins, cell cultures, and other temperature-sensitive biological samples. Pharmaceutical Industry: Ensures safe storage and cold-chain transportation of pharmaceuticals, vaccines, and biologics. Hospitals & Healthcare Facilities: Maintains the integrity of critical medical samples during interdepartmental and off-site transportation. Blood Banks: Supports secure transportation...

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Emergency Medical Services: Provides dependable cold storage for emergency transport of biological specimens and temperature-sensitive medical materials. Your Partner in Temperature Precision 144 E, Midwest Avenue, Casper WY 82601, USA Website: www.labotemp.com | Email: [email protected]

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Small Laboratory Freezer LDF-21

Small Laboratory Freezer LDF-21

Catalog excerpts

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