| 摘要 |
PROBLEM TO BE SOLVED: To provide a low temperature show case including a decision circuit for on/off of a fluorescent lamp of the low cost without additionally providing excessive parts. SOLUTION: In a low temperature show case including a judgement circuit 31 for judging on and off of a fluorescent lamp 10 for illumination in a chamber, and alteration means for altering temperature adjusting set temperature based upon a judgement of the judgement circuit 31, an electronic stabilizer 25 is provided on an ignition circuit 23 of the fluorescent lamp 10, and the judgement circuit 31 is connected with a DC smoothing circuit 27 of the electronic stabilizer 25, which judgement circuit 31 judges on and off of the fluorescent lamp 10 with a DC signal from the DC smoothing circuit 27.
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