Keithley 2015 Service Manual page 120

A-6 Specifications
TRUE RMS AC VOLTAGE AND CURRENT CHARACTERISTICS
ACCURACY 1 : ±(% of reading + % of range), 23°C ±5 °C
VOLTAGE
RANGE RESOLUTION
100.0000 mV 0.1 µV
1.000000 V 1.0 µV
10.00000 V 10 µV
100.0000 V 100 µV
750.000 V 1 mV
CURRENT
RANGE RESOLUTION
1.000000 A 1 µA
3.00000 A 10 µA
HIGH CREST FACTOR ADDITIONAL ERROR ±(% of reading)
CREST FACTOR: 1–2
ADDITIONAL ERROR: 0.05
AC OPERATING CHARACTERISTICS
FUNCTION DIGITS
ACV (all ranges), and 6 1 ⁄ 2 3
ACI (all ranges) 6 1 ⁄ 2 3
6 1 ⁄ 2 4
1 2 3
6 ⁄
6 1 ⁄ 2 4
ADDITIONAL LOW FREQUENCY ERRORS ±(% of reading)
20Hz – 30Hz
30Hz – 50Hz
50Hz – 100Hz
100Hz – 200Hz
200Hz – 300Hz
> 300Hz
AC SYSTEM SPEEDS 2, 5
FUNCTION/RANGE CHANGE 6
AUTORANGE TIME: <3 s.
ASCII READINGS TO RS-232 (19.2K BAUD)
MAX. INTERNAL TRIGGER RATE
MAX. EXTERNAL TRIGGER RATE
CALIBRATION
CYCLE
90 Days
1 Year
TEMPERATURE
COEFFICIENT 8
CALIBRATION
CYCLE
90 Day/1 Year
90 Day/1 Year
TEMPERATURE
8
COEFFICIENT
2–3 3–4
0.15 0.30
2
READINGS/s RATE
2s/reading SLOW
1.4 MED
4.8 MED
2.2 FAST
35 FAST
SLOW MED
0 0.3
0 0
0 0
0 0
0 0
0 0
: 4 / s.
4 : 50 / s.
4 : 300 / s.
4 : 260 / s.
3 Hz– 10 Hz–
10 Hz 20 kHz
0.35 + 0.03 0.05 + 0.03
0.35 + 0.03 0.06 + 0.03
0.035 + 0.003 0.005 + 0.003
3 Hz - 10 Hz -
10 Hz 5 kHz
0.30 + 0.04 0.10 + 0.04
0.35 + 0.06 0.15 + 0.06
0.035 + 0.006 0.015 + 0.006
7
4–5
0.40
BANDWIDTH
3 Hz–300 kHz
30 Hz–300 kHz
30 Hz–300 kHz
300 Hz–300 kHz
300 Hz–300 kHz
FAST
—
—
1.0
0.18
0.10
0
20 kHz– 50 kHz–
50 kHz 100 kHz
0.11 + 0.05 0.60 + 0.08
0.12 + 0.05 0.60 + 0.08
0.006 + 0.005 0.01 + 0.006
100 kHz–
300 kHz
4 + 0.5
4 + 0.5
0.03 + 0.01