Keithley brand products

Tehencom company supplies measuring equipment of the brand Keithley: multimeters, generators, signal sources, data acquisition devices, etc. We offer a full range of Keithley measuring and control devices, as well as provide service, warranty and post-warranty service.

Company Keithley (www.keithley.com), founded in the late 1950s, is the world's leading manufacturer of precision equipment for the laboratory and industry. The main production facilities and development laboratories are located in the USA. Keithley products are sold in more than 80 countries, and the annual turnover in 2010 exceeded $120,000,000. Tektronix.

Keithley Distributor Certificate (1 page; 225 KB)

Catalog of Tektronix and Keithley devices (2019) (in Russian) (140 pages; 14 MB)

Full catalog of Keithley instruments (in Russian) (108 pages; 5.4 MB)

Below are the most popular brand equipment models Keithley. Regarding prices and delivery times for the entire range of instrumentation, simply call us or write to us at E-mail and we will be happy to answer your questions.

Model A photo Short description
Multimeters of the Keithley brand
Keithley
2110
Keithley 2110 - Budget Lab Multimeter

Product code: 1000685

Budget laboratory multimeter Keithley 2110
Resolution: 5.5 digit.
Basic Accuracy (DCV): 0.012%.
Voltage measurement range: 1 µV to 1000 V.
Current measurement range: 0.1 µA to 10 A.
Resistance measurement range: 1 mΩ to 100 MΩ.
Capacitance measurement range: 10 pF to 100 uF.
Speed: 50,000 measurements per second. External trigger input (BNC connector).
15 types of measurements: DC and AC voltage and current, resistance (2-wire and 4-wire), frequency, capacitance, temperature (using thermocouples and thermistors), diode test, break detection, etc. Programmable filter. 7 mathematical operations on measurement results. Computer software.
Interfaces: standard USB-TMC, optional IEEE-488.2 (GPIB). Weight: 2.23 kg.
Budget multimeter with good accuracy and feature set
Keithley
DMM6500
Keithley DMM6500 6.5 Digit Precision Laboratory Multimeter

Product code: 1000683

Keithley DMM6500 Laboratory Multimeter
Resolution: 6.5 digit.
Basic Accuracy (DCV): 0.0025%.
Voltage measurement range: 0.1 µV to 1010 V.
Current measurement range: 10 pA to 10.1 A.
Resistance measurement range: 1 µΩ to 120 GΩ.
Capacitance measurement range: 0.1pF to 120uF.
Up to 21,000 measurements per second. Connection of signals on the front and rear panels.
Digitization of voltage and current signals: 16 bits (from 1 kS/s to 1 MS/s).
15 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire), capacitance, period, frequency, diode test, temperature (using thermocouples, thermistors and RTDs), etc.
10 channels of voltage or resistance (optional) 2000-SCAN).
Free computer software, LabVIEW, IVI-C, IVI-COM drivers.
12.7 cm widescreen touchscreen (800 x 480 resolution). Weight: 4.54 kg.
Interfaces: Ethernet/LXI and USB (standard); IEEE-488.2 (GPIB), RS-232 and TSP-Link (optional).
Basic multimeter for laboratory and production
Keithley
2000
2000-SCAN
Keithley 2000 and 2000-SCAN - 6.5 Digit Laboratory Multimeters

Product code: 1000686

Keithley 2000 and 2000-SCAN Laboratory Multimeters
Resolution: 6.5 digit.
Basic Accuracy (DCV): 0.002%.
Voltage measurement range: 0.1 µV to 1000 V.
Current measurement range: 10 nA to 3 A.
Resistance measurement range: 100 µΩ to 100 MΩ.
Speed: 2,000 measurements per second. Compatible with Fluke 8840/42 commands.
Model 2000-SCAN contains scanner board for 10 channels.
13 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire), frequency, period, temperature (using thermocouples), diode test, open detection, dB, dBm.
Interfaces: IEEE-488.2 (GPIB), RS-232. Weight: 2.9 kg.
Basic laboratory multimeter for a wide range of applications
Keithley
2100
Keithley 2100 - Laboratory multimeter

Product code: 1000687

Laboratory multimeter Keithley 2100
Resolution: 6.5 digit.
Basic Accuracy (DCV): 0.0038%.
Voltage measurement range: 0.1 µV to 1000 V.
Current measurement range: 10 nA to 3 A.
Resistance measurement range: 100 µΩ to 100 MΩ.
Speed: 2,000 measurements per second. Connection of signals on the front and rear panels.
11 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire), frequency, period, diode test. Programmable filter. Computer software.
Interfaces: USB-TMC. Weight: 4.1 kg.
Basic laboratory multimeter with USB connection
Keithley
DMM7510
Keithley DMM7510 - 7.5 Digit Graphical Laboratory Multimeter with Storage Oscilloscope Function

Product code: 1000688

Keithley DMM7510 Graphical Laboratory Multimeter with Storage Oscilloscope Function
Resolution: 7.5 digit.
Basic Accuracy (DCV): 0.0014%.
Voltage measurement range: 10 nV to 1010 V.
Current measurement range: 1 pA to 10.1 A.
Resistance measurement range: 0.1 μΩ to 1.2 GΩ.
Capacitance measurement range: 0.1pF to 1200uF.
Speed: 24,000 measurements per second. Connection of signals on the front and rear panels.
Speed digitization of voltage and current signals: 10 kSa/s to 1 MSa/s.
Digitization of voltage and current signals: from 12 bits to 18 bits.
15 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire, "dry contact"), capacitance, frequency, period, temperature (using thermocouples, thermistors and RTDs).
Free PC software and drivers LabVIEW, IVI.
12.7 cm widescreen touchscreen (800 x 480 resolution).
Interfaces: IEEE-488.2 (GPIB), Ethernet/LXI, USB, TSP-Link. Weight: 4.08 kg.
Accurate digital multimeter with touch control
Keithley
2010
Keithley 2010 - Laboratory multimeter for production lines

Product code: 1000689

Laboratory multimeter for production lines Keithley 2010
Resolution: 7.5 digit.
Basic Accuracy (DCV): 0.0018%.
Voltage measurement range: 10 nV to 1000 V.
Current measurement range: 1 nA to 3 A.
Resistance measurement range: 1 μΩ to 100 MΩ.
Speed: 2,000 measurements per second. Ability to measure the ratio of signals.
Scanner module for 10 channels (option). Built-in memory: 1024 results.
15 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire, "dry contact"), frequency, period,
temperature (using thermocouples and resistance temperature detectors (RTD)), diode test, open detection, ratio two values, etc.
Interfaces: IEEE-488.2 (GPIB), RS-232. Weight: 2.9 kg.
Accurate multimeter for product testing on production lines
Keithley
2001
Keithley 2001 - Laboratory multimeter

Product code: 1000690

Keithley 2001 Laboratory Multimeter
Resolution: 7.5 digit.
Basic Accuracy (DCV): 0.0018%.
Voltage measurement range: 10 nV to 1100 V.
Current measurement range: 10 pA to 2.1 A.
Resistance measurement range: 1 μΩ to 1 GΩ.
Speed: 2,000 measurements per second.
Scanner module for 10 channels (option). Built-in memory: 8K (optional up to 128K).
15 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire), frequency, period, temperature (using thermocouples and resistance temperature detectors (RTD)), crest factor, peak level measurement, etc.
Interfaces: IEEE-488.2 (GPIB). Weight: 4.2 kg.
Precision laboratory multimeter for a wide range of applications
Keithley
2002
Keithley 2002 - Precision laboratory multimeter

Product code: 1000691

Keithley 2002 Precision Laboratory Multimeter
Resolution: 8.5 digit.
Basic Accuracy (DCV): 0.0006%.
Voltage measurement range: 1 nV to 1100 V.
Current measurement range: 10 pA to 2.1 A.
Resistance measurement range: 100 nΩ to 1 GΩ.
Speed: 2,000 measurements per second. Compatible with Agilent 3458A commands.
Scanner module for 10 channels (option). Built-in memory: 8K (optional up to 128K).
15 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire), frequency, period, temperature (using thermocouples and resistance temperature detectors (RTD)), crest factor, peak level measurement, etc.
Interfaces: IEEE-488.2 (GPIB). Weight: 4.2 kg.
Precision multimeter for metrology laboratories
Keithley
2015
2015-P
2016
2016-P
Keithley 2015, 2015-P, 2016, 2016-P - Laboratory multimeters with built-in audio analyzer and harmonic distortion meter

Product code: 1000692

Keithley 2015, 2015-P, 2016, 2016-P Laboratory Multimeters with Built-in Audio Analyzer and THD
Multimeter + Distortion Analysis + 4V Audio Generator (Model 2015).
Multimeter + Distortion Analysis + 4V Audio Generator + Harmonics (Model 2015-P).
Multimeter + Distortion Analysis + 9.5V Audio Generator (Model 2016).
Multimeter + Distortion Analysis + 9.5V Audio Generator + Harmonics (Model 2016-P).
Multimeter resolution: 6.5 digit.
Basic Multimeter Accuracy (DCV): 0.002%.
Voltage measurement range: 0.1 µV to 1000 V.
Current measurement range: 10 nA to 3 A.
Resistance measurement range: 100 µΩ to 100 MΩ.
Speed: 2,000 measurements per second.
13 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire), frequency, period, temperature (using thermocouples), diode test, open detection, dB, dBm.
The built-in distortion analyzer measures: THD, THD+Noise and SINAD.
The built-in harmonic analyzer measures individual harmonic levels.
Audio analyzer frequency range: 20 Hz - 20 kHz. Five standard audio filters.
Interfaces: IEEE-488.2 (GPIB), RS-232. Weight: 4.2 kg.
An excellent tool for developing and configuring devices in the audio range
Multifunctional data acquisition and control systems of the Keithley brand
Keithley
DAQ6510
Keithley DAQ6510 Multifunction Data Acquisition System with Built-in 6.5 Digit Multimeter

Product code: 1000684

Keithley DAQ6510 Laboratory Multimeter with Integrated Data Acquisition, Switching and Channel Scanning
Resolution: 6.5 digit.
Basic Accuracy (DCV): 0.0025%.
Voltage measurement range: 0.1 µV to 1010 V.
Current measurement range: 10 pA to 10.1 A.
Resistance measurement range: 1 µΩ to 120 GΩ.
Capacitance measurement range: 0.1pF to 120uF.
Digitization of voltage and current signals: 16 bits (from 1 kS/s to 1 MS/s).
12 types of switching and control modules. Possibility to install two modules.
Depending on the type, the modules may contain: a switch for 20, 32 or 40 input channels, 16 digital and 2 analog control outputs, a 6x8 arbitrary switching matrix, a 3.5 GHz microwave switch, etc. The maximum number of channels: 80.
15 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire), capacitance, period, frequency, diode test, temperature (using thermocouples, thermistors and RTDs), etc.
Free computer software, drivers LabVIEW, IVI-C, IVI-COM.
12.7 cm widescreen touchscreen (800 x 480 resolution). Weight: 4.54 kg.
Interfaces: Ethernet/LXI and USB (standard); IEEE-488.2 (GPIB), RS-232 and TSP-Link (optional).
Multifunctional data acquisition system with 6.5 digit multimeter
Keithley
2700
2701
2750
Keithley 2700, 2701, 2750 - Laboratory multimeters with built-in data acquisition, switching and channel scanning

Product code: 1000693

Keithley 2700, 2701, 2750 laboratory multimeters with built-in data acquisition, switching and channel scanning
Resolution: 6.5 digit.
Basic Accuracy (DCV): 0.002%.
Voltage measurement range: 0.1 µV to 1000 V.
Current measurement range: 10 nA to 3 A.
Resistance measurement range: 1 µΩ to 100 MΩ.
Speed: 3,500 measurements per second. 12 types of switching and control modules.
Model 2700, 2701 can install up to two modules, model 2750 up to five modules.
Depending on the type, the modules may contain: a switch for 32 or 40 input channels,
16 digital and 2 analog control outputs, a 6x8 arbitrary switching matrix, a 3.5 GHz microwave switch, etc. The maximum number of channels: 200.
13 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire, "dry contact"), frequency, period,
temperature (using thermocouples, thermistors and RTDs), break detection, etc.
Interfaces: IEEE- 488.2 (GPIB) (on models 2700, 2750), Ethernet (on model 2701), RS-232.
Compact measuring system with the possibility of switching and control
Keithley
3700A
Keithley 2700, 2701, 2750 - Laboratory multimeters with built-in data acquisition, switching and channel scanning

Product code: 1000694

Keithley 3700A Series Lab Multimeters with Integrated Data Acquisition, Switching, and Channel Scanning
Resolution: 7.5 digit.
Basic Accuracy (DCV): 0.002%.
Voltage measurement range: 10 nV to 300 V.
Current measurement range: 1 pA to 3 A.
Resistance measurement range: 100 nΩ to 120 MΩ.
Speed: 14,000 measurements per second. 10 types of switching and control modules.
The Model 3706A accepts up to six modules.
Depending on the type, the modules may contain: a switcher for 20, 30 or 40 input channels, a multifunctional control unit, a 6x16 or 4x28 random switching matrix, etc. The maximum number of channels: 576. Several 3700A series units can be interconnected and controlled as one device.
13 types of measurements: DC and AC voltage and current,
resistance (2-wire and 4-wire, "dry contact"), frequency, period,
temperature (using thermocouples, thermistors and RTDs), break detection, etc.
Interfaces: USB- TMC, IEEE-488.2 (GPIB), Ethernet.
Powerful measuring system with switching and control capability
Calibrators - multimeters (SMUs) of the Keithley brand
Keithley
2450
Keithley 2450 - Touch Calibrator Multimeter (SMU)

Product code: 1000695

Keithley 2450 Touch Calibrator Multimeter (SMU)
Resolution: 6.5 digit. Basic Accuracy (DCV): 0.012%.
Voltage: 500 nV to 200 V (generation), 10 nV to 210 V (measurement).
Current: 500 fA to 1 A (generation), 10 fA to 1.05 A (measurement).
Resistance: 1 µΩ to 200 MΩ (measurement). Output power: up to 20 W.
4-quadrant operating area (voltage/current generation or load operation).
Speed: up to 3,130 measurements per second. Formation of a series of control points.
Free PC software and drivers LabVIEW, IVI.
12.7 cm widescreen touchscreen (800 x 480 resolution).
Interfaces: IEEE-488.2 (GPIB), Ethernet/LXI, USB, TSP-Link. Weight: 4.04 kg.
Convenient, accurate and affordable touch-controlled device
Keithley
2401
Keithley 2401 - Multimeter Calibrator (SMU)

Product code: 1000696

Keithley 2401 Multimeter Calibrator (SMU)
Resolution: 6.5 digit. Basic Accuracy (DCV): 0.012%.
Voltage: 5 µV to 20 V (generation), 1 µV to 21 V (measurement).
Current: 50 pA to 1 A (generation), 10 pA to 1.05 A (measurement).
Resistance: from 100 µΩ to 200 MΩ (measurement). Output power: up to 20 W.
4-quadrant operating area (voltage/current generation or load operation).
2-wire, 4-wire and 6-wire connection scheme. Speed: up to 2,081 measurements per second.
Built-in pass/fail comparator for automatic rejection.
Ability to automatically generate a series of control points.
Free PC software and LabVIEW driver.
Interfaces: IEEE-488.2 (GPIB), RS-232, Keithley Trigger Link. Weight: 3.21 kg.
Inexpensive Low Voltage Calibrator Multimeter (SMU) up to 20V
Keithley
2400
2400-C
Keithley 2400 and 2400-C - Multimeter Calibrators (SMUs)

Product code: 1000697

Keithley 2400 and 2400-C SMU Calibrators
Resolution: 6.5 digit. Basic Accuracy (DCV): 0.012%.
Voltage: 5 µV to 200 V (generation), 1 µV to 210 V (measurement).
Current: 50 pA to 1 A (generation), 10 pA to 1.05 A (measurement).
Resistance: from 100 µΩ to 200 MΩ (measurement). Output power: up to 20 W.
4-quadrant operating area (voltage/current generation or load operation).
2-wire, 4-wire and 6-wire connection scheme. Speed: up to 2,081 measurements per second.
Built-in pass/fail comparator for automatic rejection.
Ability to automatically generate a series of control points.
Automatic testing of connection contacts (Model 2400-C).
Free PC software and LabVIEW driver.
Interfaces: IEEE-488.2 (GPIB), RS-232, Keithley Trigger Link. Weight: 3.21 kg.
Basic calibrator-multimeter (SMU) for a wide range of applications
Keithley
2410
2410-C
Keithley 2410 and 2410-C High Voltage Calibrator Multimeters (SMUs)

Product code: 1000698

Keithley 2410 and 2410-C High Voltage Calibrators/Multimeters (SMUs)
Resolution: 6.5 digit. Basic Accuracy (DCV): 0.012%.
Voltage: 5 µV to 1000 V (generation), from 1 µV to 1100 V (measurement).
Current: 50 pA to 1 A (generation), 10 pA to 1.05 A (measurement).
Resistance: from 100 µΩ to 200 MΩ (measurement). Output power: up to 20 W.
4-quadrant operating area (voltage/current generation or load operation).
2-wire, 4-wire and 6-wire connection scheme. Speed: up to 2,081 measurements per second.
Built-in pass/fail comparator for automatic rejection.
Ability to automatically generate a series of control points.
Automatic testing of connection contacts (Model 2410-C).
Free PC software and LabVIEW driver.
Interfaces: IEEE-488.2 (GPIB), RS-232, Keithley Trigger Link. Weight: 3.21 kg.
High voltage multimeter calibrator (SMU) up to 1000 V
Keithley
2425
2425-C
Keithley 2425 and 2425-C Powerful (up to 100 W) Calibrator-Multimeters (SMUs)

Product code: 1000699

Powerful (up to 100 W) Keithley 2425 and 2425-C Calibrators/Multimeters (SMUs)
Resolution: 6.5 digit. Basic Accuracy (DCV): 0.012%.
Voltage: 5 µV to 100 V (generation), 1 µV to 105 V (measurement).
Current: 500 pA to 3 A (generation), 100 pA to 3.15 A (measurement).
Resistance: 10 µΩ to 20 MΩ (measurement). Output power: up to 100 W.
4-quadrant operating area (voltage/current generation or load operation).
2-wire, 4-wire and 6-wire connection scheme. Speed: up to 2,081 measurements per second.
Built-in pass/fail comparator for automatic rejection.
Ability to automatically generate a series of control points.
Automatic testing of connection contacts (Model 2425-C).
Free PC software and LabVIEW driver.
Interfaces: IEEE-488.2 (GPIB), RS-232, Keithley Trigger Link. Weight: 4.1 kg.
Powerful multimeter calibrator (SMU) up to 100 W
Parametric Analyzers of the Keithley brand
Keithley
4200A-SCS
Keithley 4200A-SCS - Parametric Analyzer

Product code: 1000702

Keithley 4200A-SCS Parametric Analyzer
Current-voltage characteristic (CVC) range: up to 210 V, up to 1 A.
Capacitance-voltage characteristic (CVC) frequency range: from 1 kHz to 10 MHz.
Pulse current-voltage characteristic range: ±40 V, ±800 mA, 200 MSa/s.
Current resolution: up to 0.1 pA. Connection diagram: 2-wire and 4-wire.
Allows you to measure the I-V characteristics, the complex resistance to alternating current, register signals and measure the I-V characteristics of transients.
39.6 cm color touch screen (1920 x 1080 resolution).
Interfaces: USB, Ethernet (LAN), IEEE-488.2 (GPIB), RS-232, SVGA.
Weight: 29.7 kg. Dimensions: 436 x 223 x 565 mm. Working temperature: from +10°С to +40°С.
Accurate characterization of semiconductors and materials
Laboratory power supplies of the Keithley brand
Keithley
2220
Keithley 2220 transformer bipolar power supply series Keithley 2220 Transformer bipolar power supplies
Two outputs: 30 V, 1.5 A, 45 W (models 2220-30-1 and 2220G-30-1).
Two outputs: 30 V, 1.5 A, 45 W+ third output: 6 V, 5 A, 30 W (model 2230-30-1 and G).
Number of channels: 2 or 3. All channels galvanically isolated.
Possibility of parallel and serial connection of channels.
Possibility of compensating the voltage drop in the connection wires.
Very high accuracy and high resolution (1 mV and 1 mA).
Interfaces: USB (standard), IEEE-488.2 (GPIB) (on 2220G and 2230G models).
Weight: 8.2 - 8.5 kg (depending on model). Dimensions: 105 x 242 x 384 mm.
2- and 3-channel power supplies with isolated outputs
Keithley
2290E-5
2290-10
Keithley 2290 - a series of high voltage laboratory DC power supplies

Product code: 1000573

Keithley 2290 High Voltage DC Power Supplies
Voltage: up to 5 000 V, current: up to 5 mA (model 2290E-5).
Voltage: up to 10 000 V, current: up to 1 mA (model 2290-10).
Number of channels: 1. Current measurement with a resolution of 1 μA.
The presence of filters to reduce the output noise to 3 mV per 5 kV.
Safe high voltage output control mechanism.
Interfaces: IEEE-488.2 (GPIB) (standard) and RS-232 (on Model 2290-10).
Weight: 3.7 - 5.5 kg (depending on model). Dimensions: 89 x 206 x 406 mm.
Precise and safe generation of high voltage
Functional signal generators of the Keithley brand
Keithley
3390
Keithley 3390 Special Waveform and Arbitrary Waveform Generator

Product code: 1000753

3390 Special Waveform and Arbitrary Waveform Generator
Frequency: up to 50 MHz.
Resolution: 14 bit. Sampling: 125 MS/s. Memory: 256K dots. Channels: 1. Output voltage: 20V. Waveforms: 12 standard waveforms. Modulation: AM, FM, FM, PWM, FSK.
Interfaces: IEEE-488.2 (GPIB), LAN, LXI-C, USB.
Pulse and pattern generators of the Keithley brand
Keithley
3401-F
3401-R
3402-F
3402-R
Keithley 3401-F, 3401-R, 3402-F, 3402-R - Pulse and pattern generators

Product code: 1000754

3400 Series Pulse and Pattern Generators
Frequency: up to 165 MHz.
Number of channels: 1 (model 3401), 2 (model 3402).
Output signal amplitude from 100 mV to 20 V.
Memory: 16 Kbps per channel. Data formats: PRBS 2^n-1, n=5-14; rz, nrz.
Independent rise and fall times. Output locations: on the front panel (suffix -F), on the rear panel (suffix -R). Interfaces: IEEE-488.2 (GPIB), USB.

Economy offer

Tehencom company offers both completely new devices, as well as used and fully restored in the factory. The cost of refurbished devices can be 1.5 - 2 times lower than the cost of new ones. All proposed refurbished devices are 100% operational, meet the technical requirements of the manufacturer and are provided 1 year warranty.

Below are some of the many refurbished instruments we offer.

Model A photo Short description
Multimeters of the Keithley brand (refurbished)
Keithley
2000
Keithley 2000 - Bench multimeter. 100 mV - 1 kV. 6.5 digit. Desktop multimeter. 100 mV - 1 kV. 6.5 digit.

Accuracy: 0.0015%. DCV, ACV, R, wire break, diode,
DCA, ACA, TRMS.
Keithley
2700/2701
Keithley 2700 / 2701 - Bench multimeter. 100 mV - 1 kV. 6.5 digit. Desktop multimeter. 100 mV - 1 kV. 6.5 digit.

Accuracy: 10ppm. DCV, ACV, R, DCA, ACA, frequency, temperature. Control and registration modules.
Keithley
2010
Keithley 2010 - Bench multimeter. 100 mV - 1 kV. 7.5 digit. Desktop multimeter. 100 mV - 1 kV. 7.5 digit.

Accuracy: 10ppm. DCV, ACV, R, DCA, ACA, frequency, period, temperature.
Keithley
2750
Keithley 2750 - Bench multimeter. 100 mV - 1 kV. 6.5 digit. Desktop multimeter. 100 mV - 1 kV. 6.5 digit.

Accuracy: 10ppm. DCV, ACV, R, DCA, ACA, frequency, temperature. Control and registration modules.
Keithley
2015 / 2016
Keithley 2015 / 2016 - Bench multimeter. 100 mV - 750 V. 6.5 digit Desktop multimeter. 100 mV - 750 V. 6.5 digit

Accuracy: 30ppm. DCV, ACV, DCA, ACA, frequency, diode, temperature, harmonic distortion.
Keithley
2001
Keithley 2001 - Bench multimeter. 200 mV - 1 kV. 7.5 digit. Desktop multimeter. 200 mV - 1 kV. 7.5 digit.

Accuracy: 27ppm. DCV, ACV, R, DCA, ACA.