Articles
Mahr 1204 IC mechanical meter
Author: Dr.-Ing. André Bülau
Created: 06 May 2023 Short teardown and review of VLDT meter for precision dimensional measurements

Review of Tinsley 5685A high stability resistance standards
Author: Ilya Tsemenko
Created: 31 December 2022 Tests and experiments with oil-filled AC/DC standard resistance standards from Tinsley, UK.

Benchmarks of old L&N 4040B 10000 Ohm resistance standard
Author: Ilya Tsemenko
Created: 15 February 2022 Quick review and measurement results of old Leeds & Northrup 4040B 10kOhm oil resistance standard

Lakeshore 331 Cryogenic Temperature Controller
Author: Ilya Tsemenko
Created: 25 April 2021 Teardown and tests of Lakeshore 331 Temperature Controller for cryogenics applications

SensePeek SP200 passive probe review
Author: Andrew Zonenberg
Created: 10 November 2020 Review of the inexpensive passive 200 MHz probe designed for positioner setups.

Benchmarks and performance of Teledyne LeCroy ZS1500 active single-ended probe
Author: Andrew Zonenberg
Created: 18 October 2020 Review and looks on LeCroy active probe, rated up to 1.5 GHz bandwidth with 10:1 attentuation.

Picotech TA061 SMA passive probe review
Author: Andrew Zonenberg
Created: 15 October 2020 Benchmarks and quick look on performance of the passive SMA probe, rated for 1.5 GHz BW.

Teledyne LeCroy PP023 passive probe review
Author: Andrew Zonenberg
Created: 15 October 2020 Review and benchmarks of the passive oscilloscope probe for general purpose use.

HP 16340A RC calibration box for electrometers
Author: Ilya Tsemenko
Created: 24 July 2020 Fixture for electrometer calibration, resistances from 100 Ω to 100 GΩ and 100 + 1000 pF capacitors.

Review and experiments with Ballantine 1394N TVC kit
Author: Ilya Tsemenko
Created: 31 May 2020 Testing thermal converters from Ballantine, DC, 10 Hz to 100 MHz capable 6-unit set.

Review of Keysight B2987A Electrometer
Author: Ilya Tsemenko
Created: 06 December 2018 Review and teardown of modern picoammeter/electrometer B2987A unit from Keysight Technologies.

Fluke 752A reference divider testing and review
Author: Todd M.
Created: 30 June 2018 Testing Fluke 752A metrology grade 0.5ppm voltage divider

Keithley DMM6500 teardown and comparison
Author:
Created: 27 May 2018 Look inside of the Tektronix/Keithley DMM6500 6.5-digit multimeter.

ESI SR104 10000 Ohm resistance standard review
Author: Ilya Tsemenko
Created: 04 April 2018 World's most proven 10000 Ω resistor. Initial checks, overall design review and calibration history.

Keysight E36312A bench DC PSU teardown
Author: Ilya Tsemenko
Created: 01 February 2018 Test and review of Keysight E36312A, triple-channel low-noise DC power supply.

Fluke 5450A Resistance calibrator
Author: Ilya Tsemenko
Created: 21 June 2017 Review and calibration of Fluke 5450A 0-100Megaohm resistance calibrator.

Fluke 719 30G pressure calibrator : short review
Author: Ilya Tsemenko
Created: 16 April 2017 Teardown and quick review of Fluke 719 30G Electrical Pressure Calibrator.

Keithley 7168 nanovolt switch card and it's use with RPI
Author: Ilya Tsemenko
Created: 21 January 2017 Application of nanovolt scanner switch card with control from Raspberry Pi

Tektronix MDO4000C mixed domain oscilloscope (MDO4054C) teardown
Author: xDevs.com Team
Created: 21 December 2016 Quick review of Tektronix Model MDO4000C series oscilloscope

Review of Keithley 2001-TCSCAN scanner card for 200x DMMs with CJC
Author: Ilya Tsemenko
Created: 25 October 2016 Quick teardown of scanner addon card for Keithley 2000/2001/2002 series DMMs

Linear DC907A-A Current sense demoboard test
Author: Ilya Tsemenko
Created: 11 October 2016 Evaluation of Linear current sense demo board

Teardown of Keithley Model 3706A switch/scan DMM
Author: Todd M.
Created: 07 October 2016 Quick teardown and overview of Keithley switching/matrix 6½-digit system DMM

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