Service Information
5-5
12. The unit will then prompt for a 10
4
divider ratio as
follows:
Set 262 to 10^4
Set the Model 262 divider ratio to 10
4
, then press
ENTER.
13. Next, the Model 2001 will prompt you to set the DC
calibrator output voltage to 200mV as follows:
Calibrator to 200 mV
Set the calibrator output to 0.20000V DC.
Output HI
Output LO
5700A Calibrator (Output DC Volts)
Sense LO
Sense HI
Sense
HI
LO
Input
Output
NOTE : Put calibrator in external sense mode, and
use 2.2V range.
262 Low-thermal
Voltage Divider
Input HI
HI (Red)
Input LO
LO (Black)
b. Output Connections
1801 NANOVOLT PREAMP
INPUTS
41V
PEAK
V ZERO
I ZERO
CAUTION:
NO INTERNAL OPERATOR SERVICEABLE PARTS,
SERVICE BY QUALIFIED PERSONNEL ONLY.
!
KEITHLEY
2mV
PEAK
a. Input Connections
HI
LO
1507 Low-thermal Cable
Figure 5-3
Calibration connections