5Ma Range Readback Accuracy - Keithley 2302 Instruction Manual

13-12 Performance Verification

5mA range readback accuracy

The following test applies to the Models 2306, 2306-VS, and 2302 (not applicable for
Models 2306-PJ or 2302-PJ).
1.
Figure 13-3
Connections for 5mA current verification tests
DCV ACV DCI
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REL TRIG STORE RECALL
POWER
INFO LOCAL CHAN SCAN
Note: Use 4-wire connections
to resistor terminals.
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With the power supply's output off, connect the digital multimeter and characterized
3kΩ resistor to the Model 2306 OUTPUT #1 terminals, as shown in
to observe proper polarity and connections (3kΩ resistor between SOURCE + and DMM
INPUT HI; SOURCE - to DMM INPUT LO).
2001 MULTIMETER
Ω2 Ω4
ACI FREQ TEMP
RANGE
AUTO
FILTER MATH
RANGE
CONFIG MENU EXIT ENTER
Model 2001 DMM
Input HI
Input LO
SENSE
INPUT
Ω 4 WIRE
HI
350V 1100V
!
PEAK PEAK
LO
500V
PEAK
INPUTS
F R
FRONT/REAR
2A 250V
AMPS
CAL
Sense +
Source +
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
OUTPUT #1
SOURCE
+ +
CAT
RELAY
CONTROL
24VDC MAX
FROM FRONT PANEL MENU)
MADE IN
U.S.A.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
Model 2306
Figure 13-3. Be sure
OUTPUT #1 connections
shown. Use OUTPUT #2
for Charger Channel.
3k Ω Resistor
Sense -
Source -
DVM IN
OUTPUT #2
+30 VDC MAX
SENSE SOURCE DVM IN SOURCE SENSE SOURCE DVM IN
+ _ _ _ _ + _ _ _ _
+ + + +
ISOLATION FROM EARTH: 22 VOLTS MAX.
I
LINE FUSE
SLOWBLOW
2.0A, 250V
LINE RATING
100-120VAC, 200-240VAC
50, 60 HZ 165VA MAX
IEEE-488 REMOTE
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