1. Temperature display window
2. Defrosting key 3. Compressor operation indicator
4. Compressor start / stop button
3
、
The operating procedures of the instrument are as follows:
1. Place the cold trap on the table stably, and the table shall be flat without strong vibration
and strong heat source.
2. After confirming that it is placed stably, connect the air inlet with the pipe for
concentration instrument, and the air outlet with the pipe for vacuum pump, and lock it
with clamps.
3. Plug the power cord into the power socket.
4. Turn on the power switch.
5. Press the start button of the compressor to cool the compressor. At this time, the
operation indicator lights up. If you need to stop cooling, press the stop button directly (the
compressor will also stop when the temperature reaches the set temperature).
The temperature control settings are as follows
：
Code
Explain
Set range
Factory set
P0
Starting
temperature
-40
℃
~room
temperature
-40
℃
P1
Stop temperature
-40
℃
~room
temperature
-40
℃
P0 set the starting temperature: press the setting key to enter the internal menu. The default
