How to use the vacuum drying oven
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a temperature: 5 ~ 40 ° C
b Relative humidity: ≤85% RH
c power supply voltage: AC220V ± 10% 50Hz
There is no strong vibration and corrosive gas around d. 2. Vacuum debugging:
a Close the door and screw the door handle into place. Close the venting valve so that the hole in the rubber plug is 90° away from the hole in the venting valve, and the vacuum valve is turned 90° counterclockwise. The switch is tight and can be rotated by force.
bWith ​​random fittings vacuum connecting pipe inner diameter: Φ16mm wall thickness: 10mm vacuum drying box exhaust pipe outer diameter: Φ16mm and vacuum pump 2XZ-2 type, air inlet outer diameter Φ16mm connection firm 6090 and 6210 type have been connected. Turn on the vacuum pump power supply and start pumping. When the vacuum gauge indication value reaches -0.1Mpa, turn off the vacuum valve and then turn off the vacuum pump power supply to prevent the vacuum pump oil from flowing back into the working chamber. The 6090 and 6210 type vacuumless valves can directly close the panel. The upper vacuum pump power supply is in a vacuum state at this time.
3. Vacuum box debugging:
After the vacuum degree is debugged, the following operations can be performed:
a. Turn on the vacuum box power supply. At this time, the power indicator light should be on 6090 and 6210. The temperature controller should be turned on separately. The PV screen displays the temperature measured in the working room. The SV screen displays the temperature set at the factory. . The AT and HEAT lights on the temperature controller should be on, indicating that the instrument enters the warm working state.
b. Modify the set temperature 1. Press the function key SET of the temperature controller; after the SP screen displays the SP character, you can use the button to make the modification of the set temperature. 6090 and 6210 type 2 and 3 instruments should be set separately. , the following similar.
2. After the modification is completed, press the SET button again, the PV screen displays the ST character and sets the timing time.
If you do not use the timing function, still let its ST=0
3. Press the SET button again to make the PV screen display the studio temperature and the SV screen to display the new set temperature. The meter AT and HEAT lights are on, and the meter re-enters the warming state.