用可调电阻调节电压值作为模拟温度的输入量，当温度低于30℃时，发出长嘀报警声和光报警，当温度高于60℃时，发出短嘀报警声和光报警。测量的温度范围在0－99℃。-Adjustment with adjustable resistance value as the analog voltage input temperature, when the temperature is below 30 ℃, the issue of long beep alarm sound and light alar