- 40 °C Upright Freezers LUF-T2025

Introduction

- 40 °C upright freezers is a microprocessor temperature controlled freezer of 778 steel plate structure with phosphate coating, galvanized steel liner and low noise design creates a comfortable working environment. It consists of hot gas heating mode for insulated time door heater. Built-in alarm sensors for high temperature, electrical sensors, power failure, condenser cooling failure, door ajar. Refrigerant used is Freon free for fast cooling and environment friendly usage. It is ideally used in cryogenic tests, scientific research, research institutes, electrical industry, hospitals, etc.

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

Widely used in scientific research, cryogenic test on special materials, blood plasma cryopreservation, low temperature resistance test on biological materials, vaccines, biological products and military products, etc. Also used in research institutions, the electronic industry, the chemical industry, hospitals, the health & disease prevention system, laboratories in colleges and universities, military, etc.

Specifications

Capacity	778 L
Cabinet type	Upright
Controller type	Microprocessor
Number of shelves	3
Temperature range	- 10 °C to - 40 °C
Ambient temperature	10 °C to 32 °C
Cooling performance temperature	- 40 °C
Compressor	1 pc
Cooling method	Direct cooling
Defrost mode	Manual
Refrigerant	R507
Insulation thickness	130 mm
Display	Digital
External material	High quality steel plates with spraying
Internal material	Galvanized steel sheet
Output
External dimensions (W × D × H)	865 × 696 × 1286 mm
Internal dimensions (W × D × H)	1205 × 1025 × 1955 mm
Packing dimensions (W × D × H)	1270 × 1105 × 2094 mm
Net weight	365 kg
Gross weight	408 kg

Features

Capacity: 778 L

Microprocessor temperature control system

Use of Freon free refrigerant R507

Manual defrost mode

Direct cooling method

Different alarm sensors for system failure, power failure and temperature failure

Double layer thermal insulation system for door

Chart recorder (optional)

Digital display for temperature observation

used a data logger

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.