FREEZE DRYER
Make Dinesh Scientific MODEL DS-LYO-2.5L-50C
DESCRIPTION:
The method of extracting moisture from biological products without compromising their chemical structure, activity, or integrity is called freeze drying. Specifically, items that are often biological in origin can have their moisture removed using freeze drying technology without sacrificing any of their inherent qualities. In the fields of chemistry, pharmacy, and food preservation, freeze drying is the method of choice.
PERK OF FREEZING DRYING:
- It is possible to freeze-dry heat-sensitive biological products without compromising their efficacy. At normal temperature, the dehydrated materials can be kept for years without losing any of their original properties.
- The material that has been freeze-dried can be packaged and carried in tiny containers; no forward refrigeration is required.
- Products that have been freeze-dried do not contain bacteria or enzyme activity, and proteins do not coagulate.
- Using a high vacuum during the drying and sealing process totally prevents oxidation of various components, including vaccinations and hemoglobin.
WORKINGS OF A FREEZE DRYER:
- A drying chamber or manifold that is used to connect or hold the containers containing the samples that have already been frozen.
- A low-temperature condenser to capture moisture vapor and direct non-condensable vapors to the pump for atmospheric release.
- The following fundamental specifications are included with all units:
- A high-vacuum, two-stage pumping system with gas ballast that allows vapour to flow to the condenser quickly for drying, with an ultimate vacuum of less than 50 microns in the system and 10 microns on the pump head.
SALIENT FEATURES:
- Freeze dryer of the Bench Top type.
- The inner chamber is composed of non-magnetic stainless steel, while the outer chamber is built of appropriately powder-coated CRC sheet.
- Complete with a see-through Perspex lid.
- To reduce heat loss, high-grade PUF is insulated between the inner and exterior chambers.
- Mounted on swivel casters, it is housed in a superstructure steel frame.
- The top panel and condenser (COLD TRAP) are made of stainless steel (SS-304 grade).
- Condenser Trap: Argon-welded, entirely non-magnetic stainless steel construction with a dished bottom to ensure total effluent removal.
- Copper refrigeration coils that are bonded to the externally insulated condenser.
- Long service life, good efficiency, and low noise compressor.
- Freezers without CFCs.
- Adheres to worldwide green environment requirements.
- A pre-freeze feature is present in the big opening condenser.
- A clear drying chamber that is safe and easy to use.
- Low volume,
TECHNICAL DETAILS:
| Sample Handling | Capable of handling aqueous samples. |
| Moisture Protection | System lines protected with the latest moisture sensing technology to prevent vacuum pump from vapors or liquid. |
| Data Transfer | USB port for data transfer |
| Footprint | Benchtop system with a small footprint. |
| Ambient Conditions | Ambient temperature <25°C (AC Room). |
| Collector Coil | Upright stainless steel collector coil with SS condenser. |
| Ice Holding Capacity | 2.5 Liters of ice before defrosting |
| Drying Manifold | Stainless steel drying manifold with 10 ports or more to connect flasks of different sizes, complete with adaptors/valves, etc. |
| Refrigeration System | Single 1/3 hp HCFC/CFC-free refrigeration system to cool the collector to -50°C or below |
| Defrost Function | Hot gas defrost function with auto shut off at +55°C or +60°C. |
| Vacuum Control | Option to maintain set point vacuum level with vacuum control. |
| Oil Back-Streaming Prevention | Special arrangement to prevent oil back-streaming into collector chamber during power outage |
| Display | Color touch screen display showing operating parameters, set-up parameters, alarm messages, vacuum level, and optional endpoint detection of the sample. |
| Email Alert | Facility for email alert about the sample |
| Alarm System | Audible and visual alarm system for conditions like power failure, abnormal events during freeze-drying, improper line voltage supply, etc. (with auto emailer) |
| Vacuum Pump | Rotary Vane Vacuum Pump with displacement capacity of 90 L/min. Ultimate vacuum (total Pressure): Gas Ballast closed 2 x 10-3 (1.5 x 10-3), Gas Ballast open 5 x 10-2 (3.75 x 10-2) |
| Data Logging | Stores and displays data in table or chart format |
| Connectivity | Inbuilt facility for Ethernet connection |
| Flask and Adaptors | Flask with suitable adaptors supplied with the system |
| Manifold/No of Ports | One manifold with 8 ports |
| Drying Chamber (SS-304) | Stainless Steel 230mm (dia) x 285mm (D) |
| Ability to hold flasks | 1000ml, 500ml, 250ml, 100ml |
| Power | 1400W |
| Voltage | 220V, 50Hz |
OPTIONS ACCESSORIES:
- Filter inserts to protect product transport from round bottom flask during drying. Along with one pack of filter paper.
- Transparent drying chamber with three-stage shelf visible through it.
- Transparent drying chamber with three screwable racks that is seen through.
- A clear drying chamber with a 230 mm diameter and 285 mm depth is available for an additional fee.
- A transparent, see-through drying chamber equipped with eight vacuum handle valves and a three-stage screwable rack.
- Silicone drum adapter for 2 milliliter ampoule
- Drying in Shelf 5 nos each shelf 265 mm dia and distance between shelf 79 mm.
- Transparent, see-through drying chamber equipped with eight vacuum handle valves and a three-stage shelf.
- Lockable casters on a two-stage table cart
- Stainless Steel Manifold vertical with 12 connections for flask.
- A pack of two milliliter ampoules.
- Glass vial sealing, in-situ: an additional expense that involves setting up three trays to hold glass vials and sealing and pressing a rubber septum on them.
- A pack of 1000 aluminum caps for 2 ml vials
- 340 glass vials with a 2 ml lid in a packRubber septum (Pack of 500 septums)
- Wide neck bottle
- Disposable gas torch for vacuum-sealed ampoules.
- Stainless steel drying rack with three shelves3 Stage Bottom Heated Stainless Steel Drying Rack
- Two flame torches for vacuum sealing.
- Vertical stainless steel manifold with eight flask connections.
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