Panasonic NE-1252, Руководство по обслуживанию

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10.2. Procedure for measuring microwave energy leakage
NOTE: The U. S. Government standard is 5 mW/cm
2
while
in the customer's home. 2 mW/cm
2
stated here is our own
voluntary standard. (1 mW/cm
2
for Canada)
10.2.1. Equipment
Note before measuring.
1. Do not exceed meter full scale deflection. Leakage moni-
tor should initially be set to the highest scale.
2. To prevent false readings the test probe should be held
by the grip portion of the handle only and moved along
the shaded area shown in Figure no faster than 1 inch/
sec (2.5 cm/sec).
3. Leakage with the outer panel removed - less than 5 mW/
cm
2
.
4. Leakage for a fully assembled oven with door normally
closed - less than 2 mW/cm
2
(1 mW/cm
2
for Canada).
5. Leakage for a fully assembled oven [Before the latch
switch (primary) is interrupted] while pulling the door -
less than 2 mW/cm
2
.
6. Pour 275± 15cc (9ozs ± 1/2oz) of 20 ± 5
°
C (68± 9
°
F)
water in a beaker which has graduations to 600cc, and
place in the center of the oven.
7. Set the radiation monitor to 2450MHz and use it following
the manufacture's recommended test procedure to
assure correct results.
8. When measuring the leakage, always use the 2 inch (5
cm) spacer supplied with the probe.
9. Tap the start pad or set the timer and with the magnetron
oscillating, measure the leakage by holding the probe
perpendicular to the surface being measured.
10. Measurement with the outer panel removed.
Whenever you replace the magnetron, measure for radia-
tion leakage before the outer panel is installed and after
all necessary components are replaced or adjusted. Spe-
cial care should be taken when measuring around the
magnetron.
11. Measurements with a fully assembled oven.
After all components, including outer panel are fully
assembled, measure for radiation leakage around the
door periphery, the door viewing window, the exhaust
opening and air inlet openings.
10.2.2. Record keeping and notification
after measurement
1. After any adjustment or repair to a microwave oven, a
leakage reading must be taken. Record this leakage
reading on the repair ticket even if it is zero.
A copy of this repair ticket and the microwave leakage
reading should be kept by repair facility.
2. Should the radiation leakage be more than 2 mW/cm
2
(1
mW/cm
2
for Canada) after determining that all parts are in
good condition, functioning properly, and genuine
replacement parts as listed in this manual have been
used, immediately notify PCMNA, PSC, or PCI.
10.2.3. At least once a year, have the radia-
tion monitor checked for calibra-
tion by its manufacturer.