Vacuum Oven Operating Procedure

5 1 after completion of the testing switch off the instrument.

Vacuum oven operating procedure. Once a vacuum has been established it is necessary to bleed off the vacuum in order to open the vacuum oven door. Vacuum oven procedure sample loading. Once heated to desired temperature heat activated light will turn off and red light turn on. Give the oven adequate time to achieve this setpoint and if desired use a temperature.

Input the desired temperature setpoint using the oven s interface 2. Each tick represents approximately an increase of 20 c. Then follow the 4 6 1 step 2 8. 5 2 release the vacuum carefully and slowly with pressure regulator till zero pressure observed in pressure gauge.

5 4 loose the screw door carefully and open the door take out the lod bottles and put into desiccator. 5 0 procedure 5 1 operation 5 1 1 switch on the vacuum oven 5 1 2 adjust the required temperature by adjusting temperature knob. Place samples in the oven then close the oven door. Close tightly the oven door.

Place sample in oven and ensure that the door is sealed properly. 8 0 then switch on the vacuum pump then set the required vacuum pump as per specified in test procedure. Initial operation of your vacuum drying oven. The vacuum oven will hold a vacuum for well over an hour wit h the vacuum pump turned off.

Depending on the extent and nature of danger the warnings given in these operating instructions. 7 0 connect the vacuum pump inlet to oven. General operating procedure 1. 5 3 allow the oven to cool down to room temperature.

Close the vacuum oven door. If there are other samples in the oven place your samples away from them to prevent any contamination. Read the warnings in the operating instructions carefully to familiarize yourself with the initial operation of your vacuum drying oven. Setting up the vacuum oven.

This will ensure proper operating procedures and extended life for the unit. Make sure that the sample is mostly dry i e there is no visible solvent present. Open the vacuum control valve fully counter clockwise. 4 6 3 operating in a vacuum environment.

For the vacuum oven in abb b112 there are no explicit temperatures to set. Set desired temperature on the oven. Close both the purge control and vacuum control valve. Operational procedure for vacuum oven 1 turning on flip power switch to on position press red activation switch.

If executed properly green heat activated light will turn on. Vacuum pump seals must be tolerant of any fumes from the oven. Are compatible with vapors that may be produced in the oven i e. 9 0 after the temperature and vacuum is reached switch off the vacuum pump and close valve tightly.

The typical maximum vacuum is around 18 24 mm hg. Place sample inside of the oven. The bleed valves are on the condenser located behind the vacuum oven. Please keep the operating instructions together with the warranty card for easy access whenever you need them.