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Seed Preservation Rooms – SPR-L/M/S

Temp. Range: -18℃ to 15℃
Humidity Range: ≤50%RH
Moisture Content for Seeds: 5% to 10%
Lifetime for Seeds Preservation: ≥20 years
Temp. & Hum. Sensor: Equipped with WAISALA HMP60
Programmable Interactive Control system with 10" Touch Screen
Equipped with smart phone APP remote control system
Fresh Air System: Equipped with fresh air system
Growing Volume: 19.66m³/13.11m³
Exterior Dimension (W×D×H): 2310×2910/4200×3000mm


Seed Preservation Rooms


The seed preservation room designed by JIUPO can be divided into short-term storage, medium-term storage and long-term storage according to storage requirement for germplasm resources, with the longest storage time up to 50+ years.  The functional areas of seed preservation room is including pre-storage processing area, low temperature cold storage structure, refrigeration and dehumidification system, control system and seed rack.  Pre-storage processing area is including seed acceptance room, cleaning room, fumigation room, germination room, drying room, water content determination room, packaging room and temporary storage room etc. 


Rooms Type


Long-term Type

 Temperature Range: -18℃ to -10℃

 Humidity Range: ≤50% RH

 Moisture Content for Seeds: 5% to 7%

 Packing for Seed: Sealed packing

 Quantity of Each Packing: ≥3000 pcs for cross-pollination seeds, ≥5000 pcs for self-pollination seeds

 Lifetime for Seeds Preservation: ≥20 years

  Medium-term Type  

 Temperature Range: -4℃ to 4℃

 Humidity Range: ≤50% RH

 Moisture Content for Seeds: 5% to 7%

 Packing for Seed: Sealed packing or container storage

 Quantity of Each Packing: ≥5000 pcs for cross-pollination seeds, ≥10000 pcs for self-pollination seeds.

 Lifetime for Seeds Preservation: 10 years to 20 year

Short-term Type

 Temperature Range: 10℃ to 15℃

 Humidity Range: ≤50% RH

 Moisture Content for Seeds: Approximate 10%

 Packing for Seed: Sealed packing or container storage

 Lifetime for Seeds Preservation: 3 years to 5 years

Product Details


➤   Construction

Insulation Thickness: ≥100mm, Surface Material: Dual surface with 0.5mm painted steel plate, The Core Material: PU with the standard of 40kg/m³, Heat Conductivity: ≤0.021W/(㎡*K), Water Absorption: ≤2.2%(v/v), Fire Rating: B2 for six sides, Surface Material for Baseboard: Upper surface with 0.5mm painted steel plate and the lower surface with 1.5mm embossed aluminum plate, Door: W900*H2000

➤   Control System

1. Refrigerant refrigeration system with automatic regulation for cooling system

2. Widely temperature ranges from -18℃ to 25℃ with fluctuation regulated of ±0.5℃

3. Short circuit, leakage and other protection for Insulated distribution box, which equipped with galvanized steel shell

4. Programmable control system with 10-inch touch-screen, while temperature control suing PID control execution

5. SCM control system with 8-channel 12-bit AD sampling, 4-channel terminal device feedback signal, 6-channel standby terminal device for power supply, 7-channel terminal device control. Centralized intelligent control for indoor temperature parameters with high quality sensors, there is no need to with other control systems, easy for users to quickly replace and deal with faults

6. The control system is equipped with embedded Linux system, with 128G hard disk, supporting digital camera, timing photo storage, supporting TF/SD card for data storage, supporting Ethernet, supporting GUI, supporting EXT4/NFS/FAT32 format for file output

7. The temperature data is stored in the SCM control system, which can view the historical temperature records of up to one year. 8000 records, 1G memory capacity, and the records can be downloaded directly with USB storage device 

8. Status implementation display, for control parameter set, history record and alarm record etc.


➤   Cooling System

1. Refrigerant unit

- The refrigeration unit equipped with the valley wheel frozen scroll compressor, the power of compressor≥2P/1.47Kw

- R404a refrigerant for environmental protection

- Well-known branded parts for fans, magnetic valve, expansion valve, filter etc.

2. Air Cooler

- Single side air cooler with 5mm fin spacing, the capacity of heat exchange is approximate 40㎡

- 3 six-graded motors with 88W power consumption of each

- Equipped with frost function

➤   Dehumidification System

Stable dehumidification system makes the indoor humidity around 50%, smart ranges for humidity regulation according to the type of seed preservation room to ensure the safety of storage for seeds.

➤   Racks

Moveable seed storage rack with storage containers, the dimensions for the rack is D685*W600*H3500mm (for reference, it can be customized according the rooms proposal)

Company Profile

We are a professional manufacturer working on environmental-simulation products for agriculture science and life science since 2011. A powerful team we have which working for environmental controlled research, development and production, we serve clients worldwide mainly from the areas of North America, Europe and Asia etc.

Our main products are environmental controlled rooms, plant growth chamber, movable plant growth lighting solutions which range from standard style to highly configured style and customized solutions. We are never stop our steps moving forward to make us to be one of leading supplier in the world for science research and agriculture production.

Over 10 years we have worked on control system based on high technology, different LED spectrum solutions using for specific plant research, good feedbacks always got, all of these inspire us JIUPO a powerful supplier for over 250 clients worldwide.





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