Lab Freeze Dryer with -102°C Cold Trap | Touchscreen Control | 27L Volume | Multi-Chamber Options
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Lab Freeze Dryer with -102°C Cold Trap | Touchscreen Control | 27L Volume | Multi-Chamber Options

Drying Chamber: Standard / Stoppering / Manifold
Area: 0.25m2 / 0.18m2 / 8 or 16 tubes
No-load temperature (cold trap): min.≤-65℃ or min.≤-102℃ (Depend on models)
Cold trap volume: 27L
Ice holding capacity: 15kg
No-load vacuum pressure: 5Pa
Ultimate vacuum: 1Pa
Number of shelves: 3 layers or 4 layers
Material tray diameter: Ø280mm
Tray-loaded solution: 2.5L
 
Availability:
Quantity:
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  • PGJ-25C /PGJ-25S

  • TOP

1. The cooling system

·Equipped with:

1) A hermetic compressor;

2) A plate heat exchanger;

3) A high-power condenser;

·The refrigeration technology utilized in this system is eco-friendly, employing a blend of mixed  refrigerants and a single compressor;

·Stable, low vibration, low noise;

·The cold trap’s temperature is low and the number is real.

2. The control system

·Equipped with:

1) A two-stage rotary vane vacuum pump to prevent oil return;

2) KF-25, the standard size for quick flange fittings;

3) A 5" color touch screen:

- Record and present real-time data. Get an at-a-glance view of live readings, including vacuum pressure, cold trap temperature, and material and shelf temperatures. These readings collectively construct the freeze-drying curve;

- Efficiently capture and continuously monitor comprehensive data on the material and the freeze dryer’soperational status;

- Off-linedata is available for analysis, printing, and storage;

4) USB ports.

·Automatically monitor the vacuum pressure. If the vacuum pressure fails to reach the designated setpoint within the stipulated timeframe, an automatic shutdown of the vacuum pump is triggered;

·Access the cumulative operating hours of the vacuum pump, serving as a reliable indicator to determine the optimal timing for changing the vacuum pump oil;

·The compressor incorporates a restart delay mechanism, and an integrated thermal overload module is employed to safeguard the freeze-dryer from overheating.

3. Structural designs

·Casing: a vertical, arc-shaped integrated structure;      ·Display: a circular round screen, positioned at a forty-  five-degree angle to the freeze-dryer. This design conforms to ergonomics, making it simple, elegant, and aesthetically pleasing;

·The top surface is constructed from 304 stainless steel, renowned for its exceptional corrosion resistance and resistance to acids and alkalis;

·The cold trap’s design features a large opening and omits the need for internal condenser coils, helping speed up the sublimation process and facilitating convenient CIP (clean-in-place) procedures. Without the condenser coils, the cold trap offersample room for accommodating shelves and pre-freezing samples,saving you the trouble of purchasing a separate ULT  freezer or utilizing liquid nitrogen to pre-freeze samples;  ·A distinctive flange design is employed in the cold trap  to prevent frost build-up;

·A distinctive corrugated seal is created through molding,  resulting  in  multiple  layers  of  sealing  that  provide  enhanced protection.


Technical parameters:

Specification

PGJ-25C

PGJ-25S

Drying Chamber

Standard

Stoppering

Manifold

Standard

Stoppering

Manifold

Area

0.25m2

0.18m2

8 or 16 tubes

0.25m2

0.18m2

8 or 16 tubes

No-load temperature (cold trap)

min.≤-65℃

min.≤-102℃

Cold trap volume

27L

27L

Ice holding capacity

15kg

15kg

24-hour maximum ice holding capacity

5kg

5kg

No-load vacuum pressure

5Pa

5Pa

Ultimate vacuum

1Pa

1Pa

Number of shelves

4 layers

3 layers

/

4 layers

3 layers

/

Material tray diameter

Ø280mm

Shelf spacing

60mm (can be removed and adjusted)

60mm (can be removed and adjusted)

Compressor

Single one

Two interconnected compressors,

with one responsible for refrigerating the other.

Tray-loaded solution

2.5L

2.5L

Installed capacity (220V 50Hz)

1.8kW

2.8kW

Operating noise

≤55dB

≤60dB

Ambient temperature

≤26℃

Net weight

120kg

160kg

Unit dimensions (mm)

W650*D630*H770

W700*D700*H870


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ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.

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