PS Magazine - JULY 1973

PS, The Preventative Maintenance Monthly

1973 SERIES, ISSUE 248

JULY 1973
PS Magazine - JULY 1973 - Page 33 of 43
CONTINUiTY TESTS:
Testing for brOken Or lOOse wires, clOsed Or shOrted circuits and
sWitches, plus testing Fr burnt-Out bulbs is One Of the greatest uses
Of the multimeter. TO make cOntinuity checks With the ±105 . .
1
.
Set thE selecTor ±witch on OHMS
Xl
±
3
²
L
.
f ThE neEdle swIngs To thE
ExtRemE Right iT could meaN a closed
but gooD circuiT ²R cLosED buT shoRTeD
Circuit
³
´
³ DEpENDs on what you'RE
l²oking foR³
4³
µf IT Doesn¶T move aT ALL you·Ve
g²T a bReak oR opeN CiRcuiT³
5´
¸
j
umpIng ²r flickeRing NEEdlE
¹eAns A loo±E ConnectI²N
³
-
.±² r,n³0£´fTjFµta¶·
62
YOur AN/URM-105 ²ulti²eter
can dO a lOt ²O³e´ Like reading
DC
vOltages up tO 50,000 vOlts and curµ
rent measurem
ents up tO 100
a¶peres· But tO dO this yOu'll need
auxiliary equip²ent¸ TM 11¹6625¹
203¹12 (un
µ9)
gives the dOpe On
all thisº
1
¸fter u±ing, aLwAy± set ThE
±elector ±wºTCh To "OFF»¼ ½¾i±¿Ll ±Top
batteÀ dRAiNÁ
·¸
ÂoiL The LeaDs, plaCe T¾em on
top oà T¾e paneL aLong wiT¾ T¾e CLiPs
anD pRoDs³
3¹
ÄepLAce The coveR³ Make ceR-
TAiN TheREÅRe no LeaDs crusheD beTween
the Case AnD Cover³
4º
½esT LeaDs s¾ouLD noT be CuT oR
pRoDs CoRRoDeDÆ
5»
ÇeEdLe s¾ouLD resT over "O» on
thE LowEr sCaLe when ThE seLeCToR
swiTC¾ is oN È or ¸Â
É
ÊO˽SÌAnD
when The ¹Eter i± on iTs baCk
³
Íf IT
D²esnÅt
Î
¾Ave youR ÏS unit l²ok IT oVER
Ð
¼½
Ño Roug¾ ¾anDLºng³ ½¾e muLÒ
TimeTer ºs a DeLºCaTe insTRumenTÓ
·
6¾
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