Keithley 2001 Calibration Manual

AC VOLTS (cont’d)
NORMAL MODE RMS
1
90 Days, ± 2 ° C from last AC self-cal for 1% to 100% of range
3
± (% of reading + % of range)
RANGE 20–50Hz 50–100Hz 0.1–2kHz 2–10kHz 10–30kHz 30–50kHz 50–100kHz 100–200kHz 0.2–1MHz 1–2MHz
200 mV 0.25+0.015 0.07+0.015 0.03+0.015 0.03+0.015 0.035+0.015 0.05+0.015 0.17+0.015 0.5+0.025 2+0.1 5+0.2
2 V 0.25+0.015 0.07+0.015 0.03+0.015 0.03+0.015 0.035+0.015 0.05+0.015 0.17+0.015 0.5+0.025 2+0.1 5+0.2
20 V 0.25+0.015 0.07+0.015 0.04+0.015 0.06+0.015 0.08 +0.015 0.1 +0.015 0.17+0.015 0.5+0.025 4+0.2 7+0.2
5
200 V
4
0.25+0.015 0.07+0.015 0.04+0.015 0.06+0.015 0.08 +0.015 0.1 +0.015 0.17+0.015 0.5+0.025
5
4+0.2
5
750 V
4
0.25+0.015 0.1 +0.015 0.08+0.015 0.09+0.015 0.12 +0.015 0.15+0.015
5
0.5 +0.015
5
NORMAL MODE RMS
1
1 or 2 Years, TCAL ± 5 ° C for 1% to 100% of range
3
± (% of reading + % of range)
RANGE 20–50Hz 50–100Hz 0.1–2kHz 2–10kHz 10–30kHz 30–50kHz 50–100kHz 100–200kHz 0.2–1MHz 1–2MHz
200 mV 0.25+0.015 0.08+0.015 0.05+0.015 0.05 +0.015 0.05+0.015 0.06+0.015 0.17+0.015 0.5+0.025 2+0.1 5+0.2
2 V 0.25+0.015 0.08+0.015 0.05+0.015 0.05 +0.015 0.05+0.015 0.06+0.015 0.17+0.015 0.5+0.025 2+0.1 5+0.2
20 V 0.25+0.015 0.08+0.015 0.06+0.015 0.085+0.015 0.12+0.015 0.13+0.015 0.17+0.015 0.5+0.025 4+0.2 7+0.2
5
200 V
4
0.25+0.015 0.08+0.015 0.06+0.015 0.085+0.015 0.12+0.015 0.13+0.015 0.17+0.015 0.5+0.025
5
4+0.2
5
750 V
4
0.27+0.015 0.11+0.015 0.1 +0.015 0.13 +0.015 0.18+0.015 0.22+0.015
5
0.5 +0.015
5
dB ACCURACY RMS ± dB, 90 Days, 1 or 2 Years, TCAL ± 5 ° C, Reference=1V, Autoranging, Low Frequency Mode, AC+DC Coupling
INPUT 1–100Hz 0.1–30kHz 30–100kHz 100–200kHz 0.2–1MHz 1–2MHz
–54 to–40 dB (2 mV to 10mV) 0.230 0.225 0.236 0.355
–40 to–34 dB (10mV to 20mV) 0.036 0.031 0.041 0.088
–34 to 6 dB (20mV to 2 V) 0.023 0.018 0.028 0.066 0.265 0.630
6 to 26 dB (2 V to 20 V) 0.024 0.024 0.028 0.066 0.538 0.820
5
26 to 46 dB (20 V to 200 V) 0.024 0.024 0.028 0.066
5
0.538
5
46 to 57.8 dB (200 V to 775 V) 0.018 0.021 0.049
5
ACV READING RATES
5,6
READINGS/SECOND WITH
MEASUREMENT DEFAULT READINGS/SECOND TO MEMORY READINGS/SECOND TO IEEE-488 TIME STAMP TO IEEE-488
NPLC APERTURE BITS DIGITS Auto Zero Off Auto Zero On Auto Zero Off Auto Zero On Auto Zero Off Auto Zero On
10 167 ms (200 ms) 28 6
1
⁄2 6 (5.1) 2 (1.7) 2 2 (1.6) 2 2 (1.5)
2 33.4 ms (40 ms) 26 5
1
⁄2 30 (24) 9 (7.9) 28 (23) 9 (7.6) 27 (22) 9 (7.5)
1 16.7 ms (20 ms) 25 5
1
⁄2 57 (48) 38 (35) 53 (45) 36 (33) 48 (41) 34 (30)
0.1 1.67 ms (2 ms) 21 5
1
⁄2 136 (136) 70 (70) 122 (122) 64 (64) 98 (98) 56 (56)
0.01 167
μ s (167 μ s) 16 4
1
⁄2 140 (140) 71 (71) 127 (127) 66 (66) 99 (99) 58 (58)
0.01
8
167 μ s (167 μ s) 16 4
1
⁄2 2000 (2000) 2000 (2000)
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/AC 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
ACV CREST FACTOR MEASUREMENT
11
CREST FACTOR = Peak AC / rms AC.
CREST FACTOR RESOLUTION: 3 digits.
CREST FACTOR ACCURACY: Peak AC uncertainty + 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.
ACV PEAK VALUE MEASUREMENT
10
REPETITIVE PEAK ACCURACY, ± (% of reading+% of range), 90 Days, 1 Year or 2 Years, TCAL ± 5 ° C
TEMPERATURE COEFFICIENT
20Hz– 1kHz– 10kHz– 30kHz– 50kHz– 100kHz– 300kHz– 500kHz– 750kHz–
± (% of reading+% of range)/ ° C
RANGE 1kHz
9
10kHz 30kHz 50kHz 100kHz 300kHz 500kHz 750kHz 1MHz Outside TCAL ± 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
4
0.1 +0.3 0.11+0.3 0.14+0.3 0.19+0.3 0.25+0.3 1.0+0.3
5
2.5+0.3
5
5.5+0.3
5
9+0.3
5
0.004 + 0.03
750 V
4
0.12+0.6 0.16+0.6 0.2 +0.6 0.25+0.6
5
0.5 +0.6
5
0.01 + 0.02
Valid % of Range
7
10–400% 10–400% 10–400% 10–350% 10–350% 10–250% 10–150% 10–100% 7.5–75%
PEAK MEASUREMENT WINDOW: 100ms per reading.
MAXIMUM INPUT:
± 1100V peak, 2×10
7
V•Hz (for inputs above 20V).
DEFAULT MEASUREMENT RESOLUTION: 4 digits.
NON-REPETITIVE PEAK: 10% of range per μ s typical slew rate for single spikes.
PEAK WIDTH: Specifications apply for all peaks
≥ 1 μ s.
AVERAGE ACV MEASUREMENT
Normal mode rms specifications apply from 10% to 100% of range, for 20Hz–
1MHz. Add 0.025% of range for 50kHz–100kHz, 0.05% of range for 100kHz–
200kHz, and 0.5% of range 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

Keithley 2001 Specifications

General

Model	2001
Category	Multimeter
Manufacturer	Keithley
Type	Digital Multimeter
Digits of Resolution	7.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Connectivity	GPIB, RS-232
Display	VFD
Resistance Accuracy	0.008% + 2.0 mΩ
Frequency Accuracy	±0.01%
DC Current Range	10 μA to 3 A
AC Current Range	10 μA to 3 A
Power Supply	100 V to 240 V AC, 45 Hz to 66 Hz