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Samsung Electronics 5-3
7. Normal temperature rise for this model is 9ûC to 11ûC at 'HIGH'.
NOTE 1: Variations or errors in the test procedure will cause a variance in the temperature rise.
Additional power test should be made if temperature rise is marginal.
NOTE 2: Output power in watts is computed by multiplying the temperature rise (step 5) by a factor of 85
times the of centigrade temperature.
4.187 x 1000 x ∆T+0.88xMcx(T2-T0)
Output Power =
49.25
49.25: Heating Time (sec)
4.187 : Coefficient for Water
1000 : Water (cc)
∆T : Temperature Rise (T2-T1)
Mc : Cylindrical borosilicate glass weight
To : Room temperature.
5-8 Output Power of Magnetron
Alignment and Adjustments
CAUTION
MICROWAVE RADIATION
PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERATOR OR OTHER PARTS
CONDUCTING MICROWAVE ENERGY.
5 9 Leakage Measuring Procedure
The output power of the magnetron can be measured by performing a water temperature rise test.
Equipment needed :
* Two 1-liter cylindrical borosilicate glass vessel (Outside diameter 190 mm)
* One glass thermometer with mercury column
NOTE: Check line voltage under load. Low voltage will lower the magnetron output. Make all temperature
and time tests with accurate equipment.
1. Fill the one liter glass vessel with water.
2. Stir water in glass vessel with thermometer, and record glass vessel's temperature ("T1", 10±1ûC).
3. After moving the water into another glass vessel, place it in the center of the cooking tray. Set the oven to high
power and operate for 51seconds exactly. (2 seconds included as a holding time of magnetron oscillation:)
4. When heating is finished, stir the water again with the thermometer and measure the temperature ("T2").
5. Subtract T1 from T2. This will give you the water temperature rise. (∆T)
6. The output power is obtained by the following formula;
5-9-1 Record keeping and notification after measurement
1) After adjustment and repair of a radiarion
preventing device, make a repair record for the
measured values, and keep the data.
2) If the radiation leakage is more than 5 mW/§† after
determining that all parts are in good condition,
functioning properly and the identical parts are
replaced as listed in this manual notift that fact to ;
J.V.SAMSUNG SERVICE LTD.
MARSHAL ZHUKOU.,1.OFFICE 201
123308,MOSCOW,RUSSIA
5-9-2 At least once a year have the microwave energy
survey meter checked for accuracy by its
manufacturer.