Benchtop Multimeter Keithley 2001/MEM2, 7-1/2-Digit

Name: Benchtop Multimeter Keithley 2001/MEM2, 7-1/2-Digit
Brand: Keithley
SKU: 2001/MEM2
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Specification

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Description

The 2001 Series offers 7 ½ -digit resolution and basic DCV accuracy of 0.0018%, offering exceptional resolution, accuracy, and sensitivity. This high performance digital multimeter not only delivers performance specifications usually associated only with instruments that cost thousands more, but it also offers a broad range of functions not typically available in DMMs. For greater flexibility, a built-in card slot on the rear panel allows an additional multiplexer card for multi-point measurement applications.

Features:

- True 7-1/2 (Model 2001) or 8-1/2 digit (Model 2002) resolution
- Exceptional measurement integrity with high speed
- High speed function and range changing
- Broad range of built-in measurement functions
- Multiple measurement display
- Built-in 10 channel scanner option
- GPIB interface
- HP3458A emulation mode (Model 2002)

2001 General Specification
POWER	Voltage	90–134V and 180–250V, universal self-selecting.
	Frequency	50Hz, 60Hz, or 400Hz self-identifying.
	Consumption	<55VA
ENVIRONMENTAL	Operating Temperature	0° to 50°C
	Storage Temperature	–40° to 70°C
	Humidity	80% R.H., 0° to 35°C, per MIL-T-28800E 1 Para 4.5.5.1.2.
PHYSICAL	Case Dimensions	90mm high × 214mm wide × 369mm deep (3½ in. × 8½ in. × 14½ in.)
	Net Weight	<4.2kg (<9.2 lbs.)
	Shipping Weight	<9.1kg (<20 lbs.)
STANDARDS	EMI/RFI	Conforms to VDE 0871B (per Vfg 1046/1984), IEC 801-2. Meets FCC part 15 Class B, CISPR-22 (EN55022)
	Safety	Conforms to IEC348, CAN/CSA-C22.2. No. 231, MIL-T-28800E 1 . Designed to UL1244
	Note 1	For MIL-T-28800E, applies to Type III, Class 5, Style E

2001 Condensed Specifications
DC VOLTS DCV INPUT CHARACTERISTICS AND ACCURACY
Range	Full Scale	Resolution	Default Resolution	Input Resistance	Accuracy ±(ppm of reading + ppm of range)
Range	Full Scale	Resolution	Default Resolution	Input Resistance	5 Minutes	24 Hours	90 Days	1 Year	2 Years
200mV	±210.00000mV	10nV	100nV	>10GΩ	3+3	10+6	25+6	37+6	50+6
2V	±2.1000000V	100nV	1µV	>10GΩ	2+1.5	7+2	18+2	25+2	32+2
20V	±21.000000V	1µV	10µV	>10GΩ	2+1.5	7+4	18+4	24+4	32+4
200V	±210.00000V	10µV	100µV	10MΩ±1%	2+1.5	13+3	27+3	38+3	52+3
1000V	±1100.0000V	100µV	1mV	10MΩ±1%	10+1.5	17+6	31+6	41+6	55+6
DC VOLTS NOTES
For TCAL ±1°C, following 55-minute warm-up. TCAL is ambient temperature at calibration, which is 23°C from factory For TCAL ±5°C, following 55-minute warm-up. Specifications include factory traceability to US NIST When properly zeroed using REL function DCV Transfer Stability typical applications are standard cell comparisons and relative accuracy measurements. Specs apply for 10 power line cycles, 20-reading digital filter, autozero on with type synchronous, fixed range following 2-hour warm-up at full scale to 10% of full scale, at TREF ±1°C (TREF is the initial ambient temperature). Specifications on the 1000V range are for measurements within 5% of the initial measurement value and following measurement settling

2001 AC VOLTS
Range	Normal Mode RMS 90 Days, ±2°C from last AC self-cal for 1% to 100% of range ±(% of reading + % of range)
Range	20–50Hz	50–100Hz	0.1–2kHz	2–10kHz	10–30kHz
200 mV	0.25 + 0.015	0.07 + 0.015	0.03 + 0.015	0.03 + 0.015	0.035 + 0.015
2 V	0.25 + 0.015	0.07 + 0.015	0.03 + 0.015	0.03 + 0.015	0.035 + 0.015
20 V	0.25 + 0.015	0.07 + 0.015	0.04 + 0.015	0.06 + 0.015	0.08 + 0.015
200 V	0.25 + 0.015	0.07 + 0.015	0.04 + 0.015	0.06 + 0.015	0.08 + 0.015
750 V	0.25 + 0.015	0.1 + 0.015	0.08 + 0.015	0.09 + 0.015	0.12 + 0.015
AC VOLTS NOTES
Specifications apply for sinewave input, AC + DC coupling, 1 power line cycle, digital filter off, following 55 minute warm-up For 1% to 5% of range below 750V range, and for 1% to 7% of 750V range, add 0.01% to range uncertainty. For inputs from 200kHz to 2MHz, specifications apply above 10% of range Add 0.001% of reading × (VIN/100V) 2 additional uncertainty above 100V rms Typical values

2001 AC VOLTS
Range	Normal Mode RMS 90 Days, ±2°C from last AC self-cal for 1% to 100% of range ±(% of reading + % of range)
Range	30–50kHz	50–100kHz	100–200kHz	0.2–1MHz	1–2MHz
200 mV	0.05 + 0.015	0.3 + 0.015	0.75 + 0.025	2 + 0.1	5 + 0.2
2 V	0.05 + 0.015	0.3 + 0.015	0.75 + 0.025	2 + 0.1	5 + 0.2
20 V	0.1 + 0.015	0.3 + 0.015	0.75 + 0.025	4 + 0.2	7 + 0.2
200 V	0.1 + 0.015	0.3 + 0.015	0.75 + 0.025	4 + 0.2
750 V	0.15 + 0.015	0.5 + 0.015
AC VOLTS NOTES
Specifications apply for sinewave input, AC + DC coupling, 1 power line cycle, digital filter off, following 55 minute warm-up For 1% to 5% of range below 750V range, and for 1% to 7% of 750V range, add 0.01% to range uncertainty. For inputs from 200kHz to 2MHz, specifications apply above 10% of range Add 0.001% of reading × (VIN/100V) 2 additional uncertainty above 100V rms Typical values

2001 OHMS TWO-WIRE AND FOUR-WIRE OHMS (2W and 4W Ohms Functions)
Range	Full Scale	Resolution	Default Resolution	Current Source	Resistance Accuracy ±(ppm of reading + ppm of range)
Range	Full Scale	Resolution	Default Resolution	Current Source	24 Hours	90 Days	1 Year	2 Years
20 Ω	21.000000Ω	1 µΩ	10 µΩ	9.2 mA	29+7	52+7	72+7	110+7
200 Ω	210.00000Ω	10 µΩ	100 µΩ	0.98 mA	24+7	36+7	56+7	90+7
2 kΩ	2100.0000kΩ	100 µΩ	1 mΩ	0.98 mA	22+4	33+4	50+4	80+4.5
20 kΩ	21.000000kΩ	1 mΩ	10 mΩ	89µA	19+4	32+4	50+4	80+4.5
200 kΩ	210.00000kΩ	10 mΩ	100 mΩ	7µA	20+4.5	72+4.5	90+4.5	130+5
2 MΩ	2.1000000MΩ	100 mΩ	1 Ω	770 nA	50+4.5	110+4.5	160+4.5	230+5
20 MΩ	21.000000MΩ	1 Ω	10 Ω	70 nA	160+4.5	560+4.5	900+4.5	1100+5
200 MΩ	210.00000MΩ	10 Ω	100 Ω	4.4 nA	3000 + 100	10000 + 100	20000 + 100	30000 + 100
1 GΩ	1.0500000GΩ	100 Ω	1 kΩ	4.4 nA	9000 + 100	20000 + 100	40000 + 100	60000 + 100
OHMS NOTES
Current source is typically ±9% absolute accuracy For 2-wire mode Specifications are for 1 power line cycle, 10 reading digital filter, Auto Zero on, 4-wire mode, offset compensation on (for 20Ω to 20kΩ ranges) For TCAL ±1°C, following 55 minute warm-up. TCAL is ambient temperature at calibration (23°C at the factory) For TCAL ±5°C, following 55-minute warm-up. Specifications include traceability to US NIST When measuring resistance of inductive loads, the inductance of that load must be 10mH or less

2001 DC AMPS DCI INPUT CHARACTERISTICS AND ACCURACY
Range	Full Scale	Resolution	Default Resolution	Maximum Burden Voltage	Accuracy ±(ppm of reading + ppm of range)
Range	Full Scale	Resolution	Default Resolution	Maximum Burden Voltage	24 Hours	90 Days	1 Year	2 Years
200 µA	210.00000µA	10 pA	100 pA	0.25 V	63+25	300+25	500+25	1350+25
2 mA	2.1000000mA	100 pA	1 nA	0.31 V	64+20	300+20	400+20	750+20
20 mA	21.000000mA	1 nA	10 nA	0.4 V	65+20	300+20	400+20	750+20
200 mA	210.00000mA	10 nA	100 nA	0.5 V	96+20	300+20	500+20	750+20
2 A	2.1000000A	100 nA	1 µA	1.5 V	500+20	600+20	900+20	1350+20
DC AMPS NOTES
Specifications are for 1 power line cycle, Auto Zero on, 10 reading digital filter For TCAL ±1°C, following 55 minute warm-up For TCAL ±5°C, following 55 minute warm-up. Specifications include traceability to US NIST Add 50 ppm of range for current above 0.5A for self heating Actual maximum voltage burden = (maximum voltage burden) × (IMEASURED/IFULL SCALE)

2001 AC AMPS
Range	ACI ACCURACY 90 Days, 1 Year or 2 Years, TCAL ±5°C, for 5% to 100% of range, ±(% of reading + % of range)
Range	20Hz– 50Hz	50Hz– 200Hz	200Hz– 1kHz	1kHz– 10kHz	10kHz– 30kHz	30kHz– 50kHz	50kHz– 100kHz
200 µA	0.35+0.015	0.2+0.015	0.4+0.015	0.5+0.015
2 mA	0.3+0.015	0.15+0.015	0.12+0.015	0.12+0.015	0.25+0.015	0.3+0.015	0.5+0.015
20 mA	0.3+0.015	0.15+0.015	0.12+0.015	0.12+0.015	0.25+0.015	0.3+0.015	0.5+0.015
200 mA	0.3+0.015	0.15+0.015	0.12+0.015	0.15+0.015	0.5+0.015	1+0.015	3+0.015
2 A	0.35+0.015	0.2+0.015	0.3+0.015	0.45+0.015	1.5+0.015	4+0.015
AC AMPS NOTES
Specifications apply for sinewave input, AC+DC coupling, 1 power line cycle, digital filter off, following 55 minute warm-up Add 0.005% of range uncertainty for current above 0.5A rms for self-heating Typical values

FREQUENCY COUNTER
AC VOLTAGE INPUT	1Hz–15MHz
ACCURACY	±(0.03% of reading)
DC IN-CIRCUIT CURRENT
TYPICAL RANGES	Current	100µA to 12A
	Trace Resistance	1mΩ to 10Ω typical
TEMPERATURE
Built-in linearization for J, K, N, T, E, R, S, B thermocouple types to ITS-90 and 100Ω platinum RTDs DIN 43 760 or IPTS-68

2002 General Specification
POWER	Voltage	90–134V and 180–250V, universal self-selecting
	Frequency	50Hz, 60Hz, or 400Hz self-identifying at power-up.
	Consumption	<55VA
ENVIRONMENTAL	Operating Temperature	0° to 50°C
	Storage Temperature	–40° to 70°C
	Humidity	80% R.H., 0° to 35°C
PHYSICAL	Case Dimensions	90mm high × 214mm wide × 369mm deep (3½ in. × 8½ in. × 14½ in.)
	Net Weight	<4.2kg (<9.2 lbs.)
	Shipping Weight	<9.1kg (<20 lbs.)
STANDARDS	EMI/RFI	Conforms to European Union EMC directive
	Safety	Conforms to European Union Low Voltage directive
	Note 1	For MIL-T-28800E, applies to Type III, Class 5, Style E

2002 Condensed Specifications
DC VOLTS DCV INPUT CHARACTERISTICS AND ACCURACY
Enhanced Accuracy – 10PLC, DFILT 10
Range	Full Scale	Resolution	Input Resistance	Accuracy ±(ppm of reading + ppm of range)
Range	Full Scale	Resolution	Input Resistance	Transfer	24 Hours	90 Days	1 Year	2 Years
200mV	±210.00000mV	1 nV	>100 GΩ	0.4+1.5	3.5+3	15+8	19+9	23+10
2V	±2.1000000V	10nV	>100GΩ	0.2+0.15	1.2+0.3	6+0.8	10+0.9	14+1
20V	±21.000000V	100nV	>100GΩ	0.1+0.05	1.2+0.1	6+0.15	10+0.15	14+0.15
200V	±210.00000V	1µV	10MΩ±1%	0.5+0.08	5+0.4	14+2	22+2	30+2
1000V	±1100.0000V	10µV	10MΩ±1%	1+0.05	5+0.08	14+0.4	22+0.4	30+0.4
Normal Accuracy – 1PLC, DFILT off
Range	Full Scale		Resolution	Input Resistance	Accuracy ±(ppm of reading + ppm of range)
Range	Full Scale		Resolution	Input Resistance	24 Hours	90 Days	1 Year	2 Years
200mV	±210.00000mV		10 nV	>100 GΩ	3.5+6	15+11	19+12	23+13
2V	±2.1000000V		100nV	>100GΩ	1.2+0.6	6+1.1	10+1.2	14+1.3
20V	±21.000000V		100nV	>100GΩ	3.2+0.35	8+0.4	12+0.4	16+0.4
200V	±210.00000V		10µV	10MΩ±1%	5+1.2	14+2.8	22+2.8	30+2.8
1000V	±1100.0000V		100µV	10MΩ±1%	5+0.04	14+0.7	22+0.7	30+0.7
DC VOLTS NOTES
Specifications are for 10 power line cycles, synchronous autozero, 10-reading repeat digital filter, autorange off, except as noted For TCAL ±1°C, following 4-hour warm-up. TCAL is ambient temperature at calibration (23°C at the factory). Add 0.5ppm of reading uncertainty if the unit is power cycled during this interval For TCAL ±5°C, following 4-hour warm-up Care must be taken to minimize thermal offsets due to operator cables Specifications apply for 20-reading repeat digital filter, TREF ±0.5°C (TREF is the initial ambient temperature), and for measurements within 10% of the initial measurement value and within 10 minutes of the initial measurement time. Add 20ppm × (VIN/1000V) 2 additional uncertainty for inputs above 200V, except in transfer accuracy specifications Specifications are for 1 power line cycle, normal autozero, digital filter off, autorange off.

2002 AC VOLTS Normal Mode RMS
Range	Normal Mode RMS 90 Days, ±2°C from last AC self-cal for 1% to 100% of range ±(% of reading + % of range)
Range	20–50Hz	50–100Hz	0.1–2kHz	2–10kHz	10–30kHz
200 mV	0.25 + 0.015	0.07 + 0.015	0.02 + 0.02	0.02 + 0.02	0.025 + 0.02
2 V	0.25 + 0.015	0.07 + 0.015	0.02 + 0.02	0.02 + 0.02	0.025 + 0.02
20 V	0.25 + 0.015	0.07 + 0.015	0.03 + 0.015	0.04 + 0.015	0.05 + 0.015
200 V	0.25 + 0.015	0.07 + 0.015	0.03 + 0.015	0.04 + 0.015	0.05 + 0.015
750 V	0.25 + 0.015	0.1 + 0.015	0.05 + 0.015	0.06 + 0.015	0.08 + 0.015
AC VOLTS NOTES
Specifications apply for sinewave input, AC + DC coupling, 1 power line cycle, autozero on, digital filter off, following 55-minute warm-up For 1% to 5% of range below 750V range, and for 1% to 7% of 750V range, add 0.01% of range uncertainty. For inputs from 200kHz to 2MHz, specifications apply above 10% of range. Add 0.001% of reading × (VIN/100V) 2 additional uncertainty for inputs above 100V rms. Typical values

2002 AC VOLTS
Range	Normal Mode RMS 90 Days, ±2°C from last AC self-cal for 1% to 100% of range ±(% of reading + % of range)
Range	30–50kHz	50–100kHz	100–200kHz	0.2–1MHz	1–2MHz
200 mV	0.05 + 0.01	0.3 + 0.015	0.75 + 0.025	2 + 0.1	5 + 0.2
2 V	0.05 + 0.01	0.3 + 0.015	0.75 + 0.025	2 + 0.1	5 + 0.2
20 V	0.07 + 0.015	0.3 + 0.015	0.75 + 0.025	4 + 0.2	7 + 0.2
200 V	0.07 + 0.015	0.3 + 0.015	0.75 + 0.025	4 + 0.2
750 V	0.1 + 0.015	0.5 + 0.015
AC VOLTS NOTES
Specifications apply for sinewave input, AC + DC coupling, 1 power line cycle, autozero on, digital filter off, following 55-minute warm-up For 1% to 5% of range below 750V range, and for 1% to 7% of 750V range, add 0.01% of range uncertainty. For inputs from 200kHz to 2MHz, specifications apply above 10% of range. Add 0.001% of reading × (VIN/100V) 2 additional uncertainty for inputs above 100V rms. Typical values

2001 OHMS TWO-WIRE AND FOUR-WIRE OHMS (2W and 4W Ohms Functions)
Range	Full Scale	Resolution	Current Source	Resistance Accuracy ±(ppm of reading + ppm of range)
Range	Full Scale	Resolution	Current Source	Transfer	24 Hours	90 Days	1 Year	2 Years
20 Ω	21.000000Ω	100 nOΩ	7.2 mA	2.5+3	5+4.5	15+6	17+6	20+6
200 Ω	210.00000Ω	1 µΩ	960 µΩ	2.5+2	5+3	15+4	17+4	20+4
2 kΩ	2100.0000kΩ	10 µΩ	960 µΩ	1.3+0.2	2.5+0.3	7+0.4	9+0.4	11+0.4
20 kΩ	21.000000kΩ	100µΩ	96µA	1.3+0.2	2.5+0.3	7+0.4	9+0.4	11+0.4
200 kΩ	210.00000kΩ	1 mΩ	9.6 µA	2.5+0.4	5.5+0.5	29+0.8	35+0.9	40+1
2 MΩ	2.1000000MΩ	10 mΩ	1.9 µA	5+0.2	12+0.3	53+0.5	65+0.5	75+0.5
20 MΩ	21.000000MΩ	100 mΩ	1.4 µA	15+0.1	50+0.2	175+0.6	250+0.6	300+0.6
200 MΩ	210.00000MΩ	1 Ω	1.4 µA	50+0.5	150+1	500+3	550+3	600+3
1 GΩ	1.0500000GΩ	10 Ω	1.4 µA	250+2.5	750+5	2000+15	2050+15	2100+15
OHMS NOTES
Current source has an absolute accuracy of ±5% For 2-wire mode Specifications are for 10 power line cycles, 10-reading repeat digital filter, synchronous autozero, autorange off, 4-wire mode, offset compensation on (for 20Ω to 20kΩ ranges), except as noted For TCAL ±1°C, following 4-hour warm-up. TCAL is ambient temperature at calibration (23°C at the factory). For TCAL ±5°C, following 4-hour warm-up Current source is paralleled with a 10MΩ resistance Specifications apply for 20-reading repeat digital filter, TREF ±0.5°C (TREF is the initial ambient temperature), and for measurements within 10% of the initial measurement value and within 10 minutes of the initial measurement time

2002 DC AMPS DCI INPUT CHARACTERISTICS AND ACCURACY
Range	Full Scale	Resolution	Maximum Burden Voltage	Accuracy ±(ppm of reading + ppm of range)
Range	Full Scale	Resolution	Maximum Burden Voltage	24 Hours	90 Days	1 Year	2 Years
200 µA	210.00000µA	10 pA	0.25 V	50+6	275+25	350+25	500+25
2 mA	2.1000000mA	100 pA	0.3 V	50+5	275+20	350+20	500+20
20 mA	21.000000mA	1 nA	0.35 V	50+5	275+20	350+20	500+20
200 mA	210.00000mA	10 nA	0.35 V	75+5	300+20	375+20	525+20
2 A	2.1000000A	100 nA	1.1 V	350+5	600+20	750+20	1000+20
DC AMPS NOTES
For TCAL ±1°C, following 55-minute warm-up. TCAL is ambient temperature at calibration (23°C at the factory) For TCAL ±5°C, following 55-minute warm-up Actual maximum burden voltage = (maximum burden voltage) × (I MEASURED/I FULL SCALE)

2002 AC AMPS
Range	ACI ACCURACY 90 Days, 1 Year or 2 Years, TCAL ±5°C, for 5% to 100% of range, ±(% of reading + % of range)
Range	20Hz– 50Hz	50Hz– 200Hz	200Hz– 1kHz	1kHz– 10kHz	10kHz– 30kHz	30kHz– 50kHz	50kHz– 100kHz
200 µA	0.35+0.015	0.2+0.015	0.4+0.015	0.5+0.015
2 mA	0.3+0.015	0.15+0.015	0.12+0.015	0.12+0.015	0.25+0.015	0.3+0.015	0.5+0.015
20 mA	0.3+0.015	0.15+0.015	0.12+0.015	0.12+0.015	0.25+0.015	0.3+0.015	0.5+0.015
200 mA	0.3+0.015	0.15+0.015	0.12+0.015	0.15+0.015	0.5+0.015	1+0.015	3+0.015
2 A	0.35+0.015	0.2+0.015	0.3+0.015	0.45+0.015	1.5+0.015	4+0.015
AC AMPS NOTES
Specifications apply for sinewave input, AC+DC coupling, 1 power line cycle, autozero on, digital filter off, following 55-minute warm-up Add 0.005% of range uncertainty for current above 0.5A rms for self-heating Typical values

FREQUENCY COUNTER
AC VOLTAGE INPUT	1Hz–15MHz
ACCURACY	±(0.03% of reading)
DC IN-CIRCUIT CURRENT
TYPICAL RANGES	Current	100µA to 12A
	Trace Resistance	1mΩ to 10Ω typical
ACCURACY	±(5% + 500µA). For 1 power line cycle, autozero on, 10-reading digital filter, TCAL ±5°C, 90 days, 1 year or 2 years
TEMPERATURE
Built-in linearization for J, K, N, T, E, R, S, B thermocouple types to ITS-90 and 100O platinum RTDs DIN 43760, IPTS-68, and ITS-90.

Keithley 2001/MEM2 Product Specifications Summary: (for full specs please see the full specs tab or the data sheet)

Multimeters Template
Type	Digital
Style	Bench
Measures AC V	Yes
Measures DC V	Yes
Measures AC A	Yes
Measures DC A	Yes
True RMS What's This?	Yes
Test Equipment General Attributes
Power Supply Voltage	120V 50/60 Hz