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11.2 Measurement of microwave output
The output power of the magnetron can be determined by performing the IEC standard test. However, due to the
complexity of the IEC test procedures, it is recommended to test the magnetron using the simple method
outlined below.
Necessary equipment:
1 liter beaker
Glass thermometer
Wrist watch or stop watch
NOTE: Check the line voltage under load. Low voltage will lower the magnetron output. Take the temperature
readings and heating time as accurate as possible.
1. Fill the beaker with exactly one liter of tap water. Stir the water using the thermometer and record the
beakers temperature (Recorded as T1)
2. Place the beaker on the center of the glass cook plate.
3. Stir the water again and read the temperature of the beaker (Recorded as T2)
4. The normal temperature rise at the high power position for each model is shown in the table. (Figure 2)
Figure 1
