Guildline 6675A - Page 7

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LIST OF FIGURES
FIGURE 1-1 : FRONT PANEL CONTROLS..................................................................................................................1-3
FIGURE 1-2 : REAR PANEL CONTROLS ....................................................................................................................1-5
FIGURE 3-1 : LINE VOLTAGE SELECTOR.................................................................................................................3-3
FIGURE 3-2: MENU TREE - SETUP/MEASURE .........................................................................................................3-5
FIGURE 3-3: MENU TREE - SOFCAL/VOLTMETER.................................................................................................3-6
FIGURE 3-4 : FRONT PANEL CONNECTIONS - NORMAL OHMS.......................................................................3-50
FIGURE 3-5 : RECOMMENDED GUARDING FOR NORMAL OHMS ..................................................................3-51
FIGURE 3-6 : FRONT PANEL CONNECTIONS HIGH OHMS - EXTERNAL HV SUPPLY................................3-57
FIGURE 3-7 : FRONT PANEL CONNECTIONS HIGH OHMS - INTERNAL HV SUPPLY .................................3-58
FIGURE 3-8 : RECOMMENDED GUARDING FOR HIGH RESISTANCE MODE................................................3-59
FIGURE 3-9 : FRONT PANEL CONNECTIONS LOW OHMS, 6623 RANGE EXTENDER .................................3-64
FIGURE 4-1 : DIRECT-CURRENT-COMPARATOR BRIDGE...................................................................................4-3
FIGURE 4-2 : AUTOMATIC DCC BRIDGE BALANCE .............................................................................................4-5
FIGURE 4-3 : BLOCK DIAGRAM 9975, 4-WIRE MEASUREMENT ......................................................................4-11
FIGURE 4-4 : BLOCK DIAGRAM 6675A ...................................................................................................................4-12
FIGURE 4-5 : 6675A SERVO "IS".................................................................................................................................4-15
FIGURE 4-6 : 6675A PRIMARY CURRENT "IX".......................................................................................................4-16
FIGURE 4-7 : 6675A MEASUREMENT CYCLE ........................................................................................................4-20
FIGURE 4-8 : 6675A TURN SWITCHING AND NV READING GRAPHICAL REPRESENTATION .................4-22
FIGURE 4-9 : NANOVOLT DETECTOR CPU OPTION SWITCH LOCATION....................................................4-23
FIGURE 4-10 : CHARGE BALANCE A/D CONVERTER........................................................................................4-27