HDN系列热风干燥机特点采用PID控温，温度误差在1度以内。
PID is adopted to control the temperature,keeping the temperature error within ±1℃.
设有热电偶断偶报警、高温报警、过载保护多种安全保护。
Several protective devices adopted:alarm for open circuit of thermocouple,alarm for overheat and overloading protect.
双数码管直接显示实测温度和设定温度。
Dual digital display shows the actual temperature and the setting temperature.
开机自动延时开电热，关机自动延时关风机。
Auto time-delay to start the heater when the machine is started and auto time-delay to stop the blower when the machine is stopped.
轻触开关控制一键自动开机。
Light-touch switch to start the machine with only one press.
标准设置排风滤清器，减少压损，防止粉尘分散，保护工厂环境。
Standardized Exhaust filter,reduce pressure damage prevent dessemination of dust and protect envirorment.

HDN系列热风干燥机技术参数：