Keithley 2015 Service Manual

Performance Verification 1-13
Verifying AC current
Check AC current accuracy by applying accurate AC voltage current at specific frequencies
from the AC current calibrator to the Model 2015 input and verifying that the displayed readings
fall within specified limits. Follow these steps to verify AC current:
1. Connect the Model 2015 AMPS and INPUT LO jacks to the calibrator as shown in
Figure 1-4.
Figure 1-4
Connections for AC current verification
2. Select the AC current function by pressing the ACI key, then choose the SLOW integra-
tion rate with the RATE key.
3. Set the Model 2015 for the 1A range.
4. Source 1A and 2.2A, 1kHz full-scale AC currents as summarized in Table 1-5, and
verify that the readings are within stated limits.
Table 1-5
ACI limits
ACV
range Applied AC voltage Reading limits @ 1kHz (1 year, 18°C-28°C)
1A
3A
1.000000A
2.20000A
0.99860 to 1.00140A
2.1949 to 2.2051A
Output HI
Output
LO
2015 THD MULTIMETER
RANGE
!
F
500V
PEAK
FRONT/REAR
3A 250V
AMPS
HI
INPUT
LO
SENSE
Ω 4 WIRE
INPUTS
350V
PEAK
1000V
PEAK
AUTO
SHIFT
LOCAL
POWER
RANGE
R
SHIFT
CH1REM
TALK
LSTN
SRQ
STAT
REL FILT
4W
BUFFER
MATH
REAR
SCAN
TIMER
STEP CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH9 CH10
HOLD TRIG FAST MED SLOW AUTO ERR
EXIT ENTER
DIGITS RATE
RELFILTER
TRIG
EX TRIG
STORE RECALL
SOURCE MEAS
DCV
DCI
MATH
THD
dBm
ACV
ACI
Ω2 Ω4
FREQ
TEMP
dB
CONT PERIOD TCOUPL
LIMITS ON/OFFDELAY
HOLD
SAVE SETUP
CONFIG HALT
TEST
RS232
GPIB
CAL
STEP SCAN
Model 2015
Input
LO
AC Current Calibrator
Amps
THD

Keithley 2015 Specifications

General

Model	Keithley 2015
Category	Multimeter
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 300 kHz
Resistance Range	100 MΩ
DC Current Range	3 A
DC Current Accuracy	0.05%
AC Current Range	3 A
Display	5.5 digit
Connectivity	GPIB
Power Supply	100 V to 240 V AC, 50 Hz to 60 Hz