To provide a convenient and germination instrument can be kept inexpensive constant temperature Kura-nai . Heat insulating material 5 is a housing 1 which front side is opened provided in A peripheral wall , a door 2 for opening and closing the opening of the internal insulation is provided in the housing , the tray 3 provided inside the housing I have the , a cooling system 4 that circulates the cold air inside the housing and . Can be quickly installed , it is possible to achieve suppression of installation cost , by the housing and the door is a heat insulating structure , it is possible to perform the temperature control easy . [ Selection Figure ] Figure 1【課題】簡便かつ安価に庫内の温度を一定に保持できる発芽器を提供する。【解決手段】周壁に断熱材5が設けられ前面側が開口する筐体1と、内部に断熱材が設けられ筐体の開口部を開閉する扉2と、筐体の内部に設けられたトレイ3と、筐体の内部に冷気を循環させる冷却システム4と、を有する。速やかに設置でき、設置費用の抑制を図ることができるとともに、筐体及び扉を断熱構造としたことにより、温度管理を容易に行うことができる。【選択図】図1
