PS Magazine - TB 43-PS-490
PS, The Preventative Maintenance Monthly
ISSUE 490
SEPTEMBER 1993
AN/PDR-27 Radiac
Set .±²
lt@f(±² ³´µ Lf³±
@
ne of the mosT importanT items of
the AN/PDR-27 radIac set is the
MX-
73±8 ²ad³oact´ve TesT sample. WµThouT
it, you can't teLL if you¶ ¶adIac set is
wo·king¸
So¹ Take a mInuTe or two¹ ²ighT
now¹ to makE su²e The
MX³
7±±8 ¶adºo»
act¼Ve test samp½e is chained to The
radiac set¾s case and thaT ¿À doesn ÁtÂeakÃ
Äake The sample off tHe case only
when you send the radiac seT To be caliÅ
b²ated or ¶epa¿²edÆ Remembe¶ to puT The
ÇampÈe back on The caÉe whÊn You get
the ²adiac seT back from supËo¶T¸
ÌestÍng The sample fo² leaKs is
easyÎ ÏuM you¶ AÐ/PDRÑÒ7¾s function
switch to
50´
Place the pu¶ËleÓacTiVe
Ô
end of the sample F½at against the smaÕÖ
cylInde¶ o× The seTØs probe
Ù
ÚÛ The poinTe² h¿Ts
1µ
or more on
the scaleÜ The TesT sample is OÝÞ Úf it
¶egisTeßs less Than
10,
tuàn the Test
s
ple
in To supá¶tâ ãeeË it in an area thatä
well Ventålated unti½ iæs moçedè
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