6517B-900-01 Rev. A / Jun 2008 Return to Section Topics 3-9
Model 6517B Electrometer User’s Manual Section 3: Basic Measurements
Figure 3-4
Resistivity measurements
Charge measurements
Assuming “BENCH” reset conditions, the basic procedure is as follows:
1. With zero check enabled (“ZeroCheck” display
ed), select the coulombs function by pressing
Q.
2. Select a measurement range or use autoranging:
a. To automatically select the most sensitive range, enable autorange. The AUTO key
enables and disables autorange. When enabled, the AUTO annunciator is on.
b. For manual ranging, use the RANGE keys ( and ) to select a measurement range
consistent with the expected charge reading.
3. Connect the test cable (see Figure 3-5) to the input of the Model 6517B. With the input
open, disable zero check. If needed, press REL to zero the display.
4. Connect the instrument to the charge to be measured as shown in Figure 3-5.
CAUTION Do not apply more than 250V peak (DC to 60Hz) or instrument damage may
oc
cur.
5. Take a reading from the display. The reading can be reset to zero by enabling zero check. If
you
wish to have the reading reset to zero when a specified charge level is reached, enable
Auto Discharge as explained in the following paragraph.
Warning: Connect of fixture to
safety earth ground using
safety ground wire.
Triax Cable
Interlock Cable
METER SOURCE
LID
INTERLOCK
TRIAX
250 MAX
HI-LO
MAX INPUT
1100V
!
Banana Plug
Cables
Model 8009
Model 6517B
OPTION SLOT
250VDC MAX
MADE IN
U.S.A
LINE RATING
50-60 Hz
100 VA MAX.
LINE
WARNING: NO INTERNAL OPERATOR SERVICABLE PARTS, SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE FUSE WITH SAME TYPE AND RATING
.
1250Vpk
PREAMP
OUT
1000VDC
MAX
FUSE
630mAT
315mAT
100V
120V
220V
240V
COMMON 2V OUT
LO HI
V SOURCE
TRIGGER LINK RS-232
DIGITAL I/O
HUMIDITY
TEMP
TYPE K
INTERLOCK
IEEE-488
2VDC MAX
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
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