Keithley 263

MAINTENANCE
Table 8-9. “Cold” High Ohms Calibration
(Direct Measurement Method)*
263
263
Range
Guard
10MR OFF
1OOMfl ON
1GR ON
1OGQ ON
1OOGR ON
Measured Resistance
(Calibration Value)
MO
---.---
MR
Gil
GQ
GO
*Do not use this table if the “ladder” technique is used to
calibrate the 1OMR through 1OOGR ranges.
Table 8-10. “Hot” High Ohms Calibration
(Direct Measurement Method)’
263 263 Measured Resistance
Range Guard (Calibration Value)
(
I
10MR OFF
1OOMQ ON
1GO ON
1OGR ON
100GR ON
MCl
MCl
Gil
GR
--- ---
Gfl
MODEL
263
(TOP VIEW SHOWN)
REAR
fR9
ANALOG
BOARD
SHIELDS
ANALOG
BOARD
Figure 8-5. Offset Voltage Adjust
*Do not use this table if the “ladder” technique is used to
calibrate the 1OMR through 1OOGQ ranges.
8-9