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Performance Verification
18-15
Ohms measurement accuracy
Follow the steps below to verify that Model 6514 ohms function measurement accuracy is
within specified limits. This procedure involves applying accurate resistances from a resistance
calibrator or standard and then verifying that Model 6514 resistance measurements are within
required limits.
WARNING
With the ohms function selected, the Model 6514 can output an open-circuit
voltage up to 250V. Place the unit in zero check when leads are not con-
nected.
2k
Ω
-20M
Ω
range accuracy
1.
Connect the resistance calibrator to Model 6514 INPUT jack, as shown in Figure 18-4.
2.
Select Model 6514 ohms function by pressing the
Ω
key, and set the calibrator to the
resistance function.
3.
With zero check enabled, zero correct the instrument, then disable zero check.
4.
Output 0
Ω
from the calibrator, and then press REL.
RS232
DIGITAL I/O
PREAMP OUT
250V PK
2V ANALOG
OUTPUT
COMMON
CHASSIS
120
FUSE
LINE
630mA
LINE RATING
50, 60Hz
60 VA MAX
500V
PEAK
T
(SB)
100 VAC
120 VAC
315mAT
(SB)
220 VAC
240 VAC
INPUT 250V PK
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
TRIGGER LINK
!
!
MADE IN
U.S.A.
V,
GUARD
(PROGRAMMABLE)
OFF
ON
GUARD
(FOLLOWS
INPUT)
(INTERNAL)
INPUT
PREAMP
10K
PREAMP
OUT
2V ANALOG
OUTPUT
COM
Input
Triax-to-BNC Adapter
Model 6514 Electrometer
Resistance Calibrator
BNC-to-dual
Banana Plug
Adapter (Connect
Cable Shield to
Output LO)
Calibrator
Output
Low-noise Coax BNC Cable
Figure 18-4
Connections for
ohms verification
(2k
Ω
-20M
Ω
ranges)
Содержание 6514
Страница 203: ...14 CommonCommands...
Страница 207: ...15 SCPISignalOriented MeasurementCommands...
Страница 235: ...18 PerformanceVerification...
Страница 254: ...19 Calibration...
Страница 274: ...20 RoutineMaintenance...
Страница 278: ...A Specifications...
Страница 282: ...B StatusandErrorMessages...
Страница 288: ...C GeneralMeasurement Considerations...
Страница 294: ...D DDCEmulationCommands...
Страница 299: ...E ExamplePrograms...
Страница 306: ...F IEEE 488BusOverview...
Страница 320: ...G IEEE 488andSCPI ConformanceInformation...
Страница 324: ...H CalibrationOptions...