EVC Central Exhaust Ventilation System – Rat, Suzhou Houzhuang Animal Equipment Technology Co., Ltd. (CAT#: STEM-LEAR-0166-YJL)

EVC Central Exhaust Ventilation System – Rat, model HH-A-5II is manufactured by Suzhou Houzhuang Animal Equipment Technology Co., Ltd.
The cage frame adopts modular combination to form a rotatable cylinder. The circular rotating chassis is divided into five areas and ten equal parts or three areas and six equal parts. Each equal part has a track chute and a fixing hole. The cage box moves into the designated position through the track chute, and the fixing holes and chute form a stable triangle to fix each independent cage box. In addition, the cage box is equipped with a card slot, and the card can record the animal's name, age, gender, cage changing status, etc. It ensures that the experimenter can rotate the cage 360° at any position and choose the cage box he needs at will, effectively reducing the workload. At the same time, the stocking density is maximized.

Overall specifications: 108 × 108 × 210 (cm), 42 cages for rats
Cage size: 108×94×210 (cm)
Cage box size: 170 × 500 × 300 (mm) (front edge x rear edge x bottom height)
Cage box height: 220(mm)
Cage box material optional: PC/PSU/PEI/PPSU
Number of air changes, times/h: Parameter: 15-100 (adjustable) Reference value: >15
Air velocity, m/s: Parameter: W0.1 Reference value: W0.2
Static pressure difference in the same area, pa: Parameter: >15 Reference value: >15
Cleanliness, class: Parameter: Barrier environment (10000) Reference value: 10000
Preliminary number, pieces/dish, hour: Parameter: W3 in barrier environment Reference value: W3
Noise, dB(A): Parameter: W60 Reference value: W60
Animal illumination, IX: Parameter: 15-20 (adjustable) Reference value: 15-20

Negative pressure ventilation technology
The single-channel negative pressure ventilation technology used in the breeding cage reduces the possibility of turbulence in the cage. This not only ensures smooth airflow in the cage box, but also effectively reduces the ammonia concentration in the cage box and reduces the workload of experimental personnel. At the same time, it is ensured that the air flow in the cage box will not leak out, preventing cross-contamination of different breeding units and protecting experimental personnel.
It also extends the service life of the air inlet and outlet filters and saves usage costs.
At the same time, the time period of day and night can be set independently, which is an innovation in the function of experimental animal cages.

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