-40℃ Upright Freezer LUF-T2026

Introduction

-40℃ Upright Freezer offers a spacious 308L capacity and operates within a temperature range of -20°C to -40°C. It ensures precise temperature control through its advanced microprocessor controller. Our -40℃ Upright Freezer features high-quality coated steel inside and out for enhanced durability and long-lasting performance. Cyclopentane is used as a foaming agent for effective insulation. It also includes a manual defrost system that requires periodic ice removal to maintain optimal performance. This laboratory freezers is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

-40℃ Upright Freezer can be utilized in hospitals, epidemic prevention stations, universities, research institutes, and laboratories in the electronics and chemical industries.

Specifications

Capacity	308 L
Temperature Range	-20 to -40℃
Temperature Accuracy	0.1 ℃
Temperature Uniformity	4℃
Controller	Microprocessor
Display
Refrigerant	R290
Cooling Type	Direct Cooling
Defrost	Manual
Foaming Agent	Cyclopentane
Thickness of the Foaming layer	75 mm
Noise	45 dB
Stacking Layer	1
Exterior Material	High quality Coated steel
Interior material	High quality Coated steel
Alarms	Sound Alarm Light Alarm Power Failure Alarm Sensor Failure Alarm Environment Temperature Alarm Door ajar Alarm High-Temperature Alarm Low Temperature Alarm Remote Alarm
Current	1.9 A
Power	295 W
Power Supply	220 to 240V/50Hz
Exterior Dimension	700 × 690 × 1920 mm
Interior Dimension	540 × 450 × 1277 mm
Package Dimension	755 × 715 × 2035 mm
Net Weight	102 Kg
Gross Weight	114 Kg

Features

Temperature Control System

Forming Technology

Three-dimensional seal

Micro-channel condenser

Multi-alarm functions

FAQs

1. What are the key factors to consider when selecting this laboratory freezers for laboratory use?

When selecting this laboratory freezers, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this laboratory freezers be calibrated to ensure accurate results?

It is recommended to calibrate this laboratory freezers at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this laboratory freezers?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this laboratory freezers be used with different types of samples, and are there any compatibility considerations?

Yes, this laboratory freezers can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the laboratory freezers malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.