Keithley 2000 User Manual page 218

2000 6½-Digit Multimeter Specifications
TRUE RMS AC VOLTAGE AND CURRENT CHARACTERISTICS
1
ACCURACY : ±(% 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
9
3.00000 A 10 µA
High Crest Factor Additional Error ±(% of reading)
1–2
CREST FACTOR:
0.05
ADDITIONAL ERROR:
AC Operating Characteristics
Function Digits Readings/s
3
ACV 6½ 2s/reading
(all ranges),
3
6½ 1.4
and ACI
4
6½ 4.8
(all ranges)
3
6½ 2.2
4
6½ 35
Additional Low Frequency Errors ±(% of reading)
SLOW
20Hz - 30Hz 0
30Hz - 50Hz 0
50Hz - 100Hz 0
100Hz - 200Hz 0
200Hz - 300Hz 0
> 300Hz 0
Calibration Cycle 3 Hz-10 Hz
90 Days 0.35 + 0.03
1 Year 0.35 + 0.03
Temperature
0.035 + 0.003
8
Coefficient/°C
Calibration Cycle 3 Hz-10 Hz
0.30 + 0.04
90 Day/1 Year
0.35 + 0.06
90 Day/1 Year
Temperature
0.035 + 0.006
8
Coefficient/°C
7
2–3 3–4 4–5
0.15 0.30 0.40
2
Rate Bandwidth
SLOW 3 Hz-300kHz
MED 30 Hz-300kHz
MED 30 Hz-300kHz
FAST 300 Hz-300kHz
FAST 300 Hz-300kHz
MED FAST
0.3 —
0 —
0 1.0
0 0.18
0 0.10
0 0
10 Hz-20 kHz 20 kHz-50 kHz 50 kHz-100 kHz 100 kHz-300 kHz
0.05 + 0.03 0.11 + 0.05
0.06 + 0.03 0.12 + 0.05
0.005 + 0.003 0.006 + 0.005
10 Hz-5 kHz
0.10 + 0.04
0.15 + 0.06
0.015 + 0.006
2, 5
AC System Speeds
FUNCTION/RANGE CHANGE
AUTORANGE TIME: <3 s.
ASCII READINGS TO RS-232 (19.2k BAUD)
MAX. INTERNAL TRIGGER RATE
MAX. EXTERNAL TRIGGER RATE
AC General
INPUT IMPEDANCE: 1M ±2% paralleled by <100pF.
ACV INPUT PROTECTION: 1000Vp.
MAXIMUM DCV: 400V on any ACV range.
ACI INPUT PROTECTION: 3A, 250V fuse.
BURDEN VOLTAGE: 1A Range: <0.3V rms. 3A Range: <1V rms.
SHUNT RESISTOR: 0.1 on all ACI ranges.
AC CMRR: >70dB with 1k in LO lead.
MAXIMUM CREST FACTOR: 5 at full scale.
VOLT HERTZ PRODUCT: <8 × 10
OVERRANGE: 120% of range except on 750V and 3A ranges.
AC Notes
1
Specifications are for SLOW rate and sinewave inputs >5% of range.
2
Speeds are for 60 Hz operation using factory default operating
conditions (*RST). Auto zero off, Auto range off, Display off,
includes measurement and binary data transfer out the GPIB.
3
0.01% of step settling error. Trigger delay = 400ms.
4
Trigger delay = 0.
5
DETector:BANDwidth 300, NPLC = 0.01.
6
Maximum useful limit with trigger delay = 175ms.
7
Applies to non-sinewaves >5Hz.
8
Applies to 0°–18°C and 28°–50°C.
9
For signal levels > 2.2A, add additional 0.4% to "of reading"
uncertainty.
0.60 + 0.08 4 + 0.5
0.60 + 0.08 4 + 0.5
0.01 + 0.006 0.03 + 0.01
6 : 4/s.
4 : 50/s.
4
: 300/s.
4 : 300/s.
7
V·Hz.
JMM 8/8/01
Rev. E