― 8 ―
①Meter zero adjuster
②Test button
③Scale plate
④Pointer
⑤Insulation resistance scale
⑥AC voltage scale
⑦"BATTERY-GOOD" range
⑧Power-on-indication LED
⑨Guard terminal
⑩Probe socket
⑪Backlight switch
⑫Range switch
⑬Test lead with remote control switch (MODEL7103)
⑭Remote control switch
⑮Line probe
⑯Earth cord
⑰Standard prod (MODEL8072)
⑱Probe connector
⑲Flat test bar (MODEL7101)
⑳Safety alligator clip(MODEL7131)
○
21
Extension prod (MODEL8017)
○
22
Test lead for Guard terminal (MODEL7081)
※ Item⑨and
○
22
are only for MODEL3321A.
４．Instrument layout
Fig. 1 Instrument layout
Summary of Contents for 3321A
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