21.
With the electrometer voltage source in standby, connect the electrometer to channel 1
HI and chassis ground, as shown in
Figure 4-5
.
22.
Program the Model 2000 to close channel 1.
23.
On the Model 617, disable zero check, and press OPERATE to 100V.
24.
After allowing the reading on the Model 617 to settle, verify that it is >1G
Ω
(10
9
Ω
).
25.
Put the electrometer in standby, and enable zero check.
26.
Repeat steps 21 through 25 for channels 2 through 10. One electrometer lead should be
connected to the HI terminal of the channel being testing, and the other lead should be
connected to chassis ground.
27.
Repeat steps 21 through 26 for channels 1 through 10 LO terminals. One electrometer
lead should be connected to the LO terminal of the channel being tested, and the other
lead should be connected to chassis ground. In addition, channel 1 should be closed.
HI
LO
Channel 1
HI
LO
Channel 2-4
Channel 5
HI
LO
Channel 6
HI
LO
Channel 7-9
Channel 10
HI
LO
OUT A
OUT B
HI
LO
2-Pole
4-Pole
Model 2000-SCAN
HI
Model 617
INPUT
Model 7025
Unterminated
Triax Cable
(Red)
Banana to Banana Cable
Ground Link
Removed
Source V and
Measure V/I
Chassis Ground
Unterminated to
Banana Cable
Com
V-Source LO
V-Source HI
Figure 4-5
Connections for HI and
LO terminal to chassis
ground isolation tests
4-10
Service Information
Содержание 2000-Scan
Страница 1: ...Model 2000 ScanScanner Card Instruction Manual A G R E A T E R M E A S U R E O F C O N F I D E N C E ...
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Страница 13: ...1 General Information General Information ...
Страница 17: ...2 CardConnections andInstallation CardConnec tionsandInstal lation ...
Страница 35: ...3 Operation Operation ...
Страница 58: ...3 24 Operation Section 3 Page 24 Tuesday July 8 2003 2 30 PM ...
Страница 59: ...4 Service Information Service Information ...
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Страница 76: ...5 4 Replaceable Parts ...
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Страница 79: ...A Specifications Specifica tions ...
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