Floor Model Manifold Freeze Dryer LFFD-T2014

Introduction

Floor Model Manifold Freeze Dryer can reach temperatures as low as -70℃ and features a 12 kg ice condenser capacity. It also has a detachable acrylic drying chamber and a 12-port manifold. The freeze dryer has proactive maintenance reminders to ensure durability and reliability. Its 5.4-inch monitoring and a user-friendly interface. Our freeze dryer is suitable for routine laboratory applications involving freeze drying of small samples.

This laboratory freeze dryer is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Floor Model Manifold Freeze Dryer is used for routine drying of small biological, food, and chemical samples in research or academic labs.

Specifications

Condenser Temperature	- 70℃
Condenser Capacity	12 kg
Cold Trap Volume	20 L
Freeze-Dried Chamber Type	Acrylic chamber with aluminum upper cover and external valve
Vacuum Level	5×10⁻³ mbar
Pumping Capacity	8 m³/h
Sample Shelf Diameter	Φ 260 mm
Shelf Area (Single Layer)	0.55 m²
Shelf Layers (Optional)	3 to 10 layers
External Valve	12 pieces
Anti-Corrosive Treatment	-coated trap and coil (standard)
Vacuum Pump Pipe Connection	Single stainless steel flexible pipe
Power Consumption	1000 W
Power Supply	220 V / 50 Hz
Dimensions	525 × 570 × 1080 mm
Net Weight	82 kg

Features

Corrosion-resistant upper cover

Short circuit protection

Color-coded numeric status display

Cold trap defrost function

Touchscreen operation

Durable structure

FAQs

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

When selecting this laboratory freeze dryer, 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 freeze dryer be calibrated to ensure accurate results?

It is recommended to calibrate this laboratory freeze dryer 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 freeze dryer?

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 freeze dryer be used with different types of samples, and are there any compatibility considerations?

Yes, this laboratory freeze dryer 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 freeze dryer 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.

1. How does the manifold system work in freeze drying?

The manifold system consists of a central drying chamber or condenser unit with several ports where flasks or containers can be attached. Each port connects to a sample via a valve, and once all the samples are secured, a vacuum is applied. Under low pressure, the frozen water in the samples sublimates and is captured in the condenser. The manifold allows each flask to be individually exposed to vacuum, ensuring uniform and independent drying. Some models also allow individual isolation of ports, so samples can be added or removed without disturbing others.

2. What types of vacuum pumps are compatible with these freeze dryers?

Floor Model Manifold Freeze Dryer typically requires external vacuum pumps. Oil-sealed rotary vane pumps are most common due to their ability to achieve deep vacuum levels and handle water vapor efficiently. However, dry scroll pumps are also used, especially in clean environments, since they reduce contamination risk and require less maintenance. The choice of pump depends on the specific drying requirements and the compatibility with the solvents or vapors being processed.

3. Are there any safety features built into the freeze dryer?

Yes, Floor Model Manifold Freeze Dryer comes with several safety features. These may include over-temperature protection, and vacuum failure alarms. It also has a large opening and passage design. The thermal electromagnetic over current short circuit protection ensures a safe operation.

4. What should be considered when choosing a Floor Model Manifold Freeze Dryer?

Key considerations include the number of ports needed, the lowest achievable condenser temperature, the ultimate vacuum level, and the type of vacuum pump required. You should also evaluate the compatibility with the solvents or samples you plan to use. Additional factors include defrost method, software interface, ease of cleaning, and available accessories like sample holders or flask adapters.