Keithley 2002, User Manual, Page: 289 / 366

Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
1-888-KEITHLEY
www.keithley.com
Specifications are subject to change without notice.
SPEC-2002 Rev. H / February 2009
Page 5 of 14
Model 2002
Multimeter Specifications
ACV CREST FACTOR MEASUREMENT
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Crest Factor: = Peak AC / rms AC.
Crest Factor Resolution: 3 digits.
Crest Factor Accuracy: Peak AC uncer AC normal mode rms uncertainty.
Measurement Time: 100ms plus rms measurement time.
Input Characteristics: Same as ACV input.
Crest Factor Frequency Range: 20Hz – 1MHz.
Crest Factor Display: Access as multiple display on AC volts.
AC COUPLING
For AC only coupling, add the following % of reading:
1–10Hz 10–20Hz 20–50Hz 50–100Hz 100–200Hz
Normal Mode (rms, average) — — 0.41 0.07 0.015
Low Frequency Mode (rms) 0.1 0.01 0 0 0
For low frequency mode below 200Hz, specifications apply for sine wave inputs only.
AC+DC COUPLING
For DC >20% of AC rms voltage, apply the following additional uncertainty, multiplied by the ratio (DC/total rms). Applies to rms and average
measurements.
Range % of Reading % of Range
200mV, 20V 0.05 0.1
2V, 200V, 750V 0.07 0.01
AVERAGE ACV MEASUREMENT
Normal mode rms specifications apply from 10% to 100% of range, for 20Hz–1MHz. Add 0.025% of range uncertainty for 50kHz–100kHz, 0.05%
of range uncertainty for 100kHz–200kHz, and 0.5% of range uncertainty for 200kHz–1MHz.
HIGH CREST FACTOR ADDITIONAL ERROR ±(% OF READING)
Applies to rms measurements.
Crest Factor 1 – 2 2 – 3 3 – 4 4 – 5
Additional Error 0 0.1 0.2 0.4
ACV PEAK VALUE MEASUREMENT
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Repetitive Peak Accuracy, ±(% of % of range), 90 Days, 1 Year or 2 Years, T
CAL
±5°C
Range
20Hz–
1kHz
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1kHz–
10kHz 10kHz–
30kHz
30kHz–
50kHz
50kHz–
100kHz 100kHz–
300kHz
300kHz–
500kHz
500kHz–
750kHz
750kHz–
1MHz
Temperature Coefficient
±(% of r% of range)/°C
Outside T
CAL
±5°C
200 mV 0.08+0.7 0.09+0.7 0.1 +0.7 0.15+0.7 0.25+0.7 1.0+0.7 2.5+0.7 5.5+0.7 9+0.7 0.002 + 0.03
2 V 0.08+0.3 0.09+0.3 0.1 +0.3 0.15+0.3 0.25+0.3 1.0+0.3 2.5+0.3 5.5+0.3 9+0.3 0.002 + 0.03
20 V 0.1 +0.7 0.11+0.7 0.14+0.7 0.19+0.7 0.25+0.7 1.0+0.7 2.5+0.7 5.5+0.7 9+0.7 0.004 + 0.03
200 V
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0.1 +0.3 0.11+0.3 0.14+0.3 0.19+0.3 0.25+0.3 1.0+0.3
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2.5+0.3
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5.5+0.3
22
9+0.3
22
0.004 + 0.03
750 V
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0.12+0.6 0.16+0.6 0.2 +0.6 0.25+0.6
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0.5 +0.6
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0.01 + 0.02
Valid % of Range
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10–400% 10–400% 10–400% 10–350% 10–350% 10–250% 10–150% 10–100% 7.5–75%
Default Measurement Resolution: 4 digits.
Non-Repetitive Peak: 10% of range per µs typical slew rate for single spikes.
Peak Width: Specifications apply for all peaks ≥ 1µs.
Peak Measurement Window: 100ms per reading.
Maximum Input: ±1100V peak, 2 x 1028V·Hz (for inputs above 20V).
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Subject to peak input voltage specification.
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AC peak specifications assume AC + DC coupling for fre-quencies below 200Hz.
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For overrange readings 200–300% of range, add 0.1% of reading uncertainty. For 300–400% of range, add 0.2% of reading uncertainty.