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[INDEX] Metrology section quick guide
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Topic: [INDEX] Metrology section quick guide (Read 134075 times)
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TiN
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[INDEX] Metrology section quick guide
«
on:
December 14, 2016, 04:47:51 am »
Having 7 pages of forums threads in Metrology section is already enough to get less frequently discussions be buried deep down. So I think small index would help newcomers and volt-nuts to navigate to interesting bits more easily.
Before you scream "use dat search button", I'd like to clarify, that being a daily reader of Metrology section since it was created from Day 0, yes, I use search, if can remember which keywords to look for, but people who just take occasional lurk, may be lost the threads, missing valueable bits and info.
How about the idea of moderated and handpicked threads list, to be of help in such cases. I also took a brave pill and linked relevant threads from other EEVBlog forum sections, if they have relevant info.
Each section is grouped around discussed matter/field or specific instrument/gear.
If you feel I missed something, let me know to add after review. If this thread is useful, perhaps Dave can make it sticky for all to see.
Linear LTZ1000/LTZ1000A
Ultra Precision Reference LTZ1000
LTZ1000A fairy-tale, or the story of little jumper.
Selection criteria for the OPAMPs in the LTZ1000A sch
LTZ1000 Supply
7 volt DC standard based on the HP/Agilent 03458-66509 LTZ1000 reference board
Motorola SZA263 / Linear LTFLU
The LTFLU (aka SZA263) reference zener diode circuit
Resistor stability in Voltage Reference amps - a way around?
LM399 and compatible references
LM399H and LM399AH difference
Tesla MAC199/MAE299/MAB399 and MAC01 : teardown and tests
LM399 based 10 V reference
DIY Voltage references
Building your own voltage reference - the JVR
Ultra Low Noise Reference 2DW232, 2DW233, 2DW23x
Resistance standards
Teardown: Standard Resistors
Fluke 742A-10K and HP3458A
General Resistance DAS56A
Zero Ohm DIY 4-wire standard
L&N 4232 Wheatstone bridge
L&N 4385 Teardown
Poor man's 1 : 100 resistance transfer standard
Precision binary (R2R) divider
Decade resistance box re-prupose to DIY 10:1 and 100:1 transfer divider
ESI SR 1050 100K transfer standard, some inside pictures.
Guildline 9730CR oil bath, under the cover+manual&cct.
ESI SR1 Standard Resistor Current Rating
BU508A's first 10kOhm reference resistor using VPG BMF
Vishay VHP101 out of tolerance? (or HP 3458A)
Zlymex building an ultra-precision high resistance bridge
Fine resistance adjustment for standard resistors
L&N 4754 : Teardown and test
T.C. measurements on precision resistors
ESI Resistance Standard SR1010 and Standard Resistor SR104
Kelvin-Varley Dividers and ratio standards
Restoration : Fluke 720A KVD/Ratio standard
KVD comparison endeavor
Divider calibration artice, anyone have a copy?
Strange ESI RV722 for sale on ebay
Anyone else built a Hamon Voltage Divider?
GenRes DV-4107D KVD
Teardown:Julie Reasearch Labs VDR106 KVD
HP/Agilent/Keysight 3458A 8.5-digit DMM
Repair : Old rusty HP 3458A
RANT - Buying a 3458A why is that hard?
3458A Issues
Steve's 3458A repair thread
Repair and experiments thread: HP 3458A U2
3458A calibration data backup and restore?
Repair : Yes, another little 3458A repair log.
New (to me) HP3458A reference
3458A ACAL 0 question
What is the next best ratio measurement device after the 3458A?
3458A autozero on/off for uV measurements
A very cheap 3458A
Replacing the Snaphat ZeroPower batteries in a KS/Agilent 3458A DMM
3458A's Current shunts/resistance current source tempco study
HP 3458A 8.5 digit calibration questions
Agilent 3458A GPIB Data Aquisition software and options ?
Stop 3458A sold in EU.
HP 3458A 40K reference issues
3458A software setup
Program by font keys the HP 3458A for a rolling average (mean)
HP 3458A input relays
Inter-distance of binding posts on 3458A
3458A worklog
3458A Elantec obsolescence
Fluke 5700A/5720A/5730A threads
Fluke 5700 capacitors power supply list
how repairable is an 5700?
Rebuild of "HULK3" Fluke 5720A calibrator rig build out of random broken boards.
How does 2-wire-compensation work on Fluke 5700 calibrator?
Fluke 5700A VFD displays
Fluke 5700A resistance troubleshooting
Fluke 5700A repair thread
Nanovolt instruments and projects
zLymex's DIY noise meter + preamp build, DIY low frequency noise meter and some measurement result of voltage references
Tinsley 6050 Nanovoltmeter (little bit unsual)
Keithley 148 Nanovoltmeter
Keithley 182-M teardown
EM Electronics Model N11 DC Nanovoltmeter
Keithley 2001 DVM factory modifications to work with a K1801 nanovolt preamp
Calibrators-related
Fluke 332A adjustment/verification
Fluke 5440B warmup time
Fluke 5440B Problems
Is the Fluke 5440B really an artifact CAL instrument?
Teardown and study of Fluke 5700A Calibrator [56K warning!]
Datron 4708 cant be calibrated error 4
Datron 4950 Multifunction Transfer Standard system
Replacing relays in a 5440B or 5440B/AF
Adjusting Quadrature Level on a 5200A
Teardown/repair : Time Electronics 9823 10ppm/year AC-DC calibrator
Original price of Fluke 5440B in the 80s
Fluke 5200A - requirements for 5205A
AC equivalent for the 5440B/AF
How does 2-wire-compensation work on Fluke 5700 calibrator?
Datron/Wavetek 4600 transconductance amplifier
Keithley 263 Calibrator/Source
Time/frequency standards
Symmetricom GPSDO / 10MHz reference OEM modules
Economical option for precision frequency reference, Lucent RFTG-u
NEC GPSDO module EPSON TOYOCOM TCO-6920N 10MHZ
Time standards: How accurate is GPS modules?
32.768hKh tuning fork cut quartz crystal - stability question
No luck on my first attempt at acquiring a cesium frequency standard
BG7TBL GPSDO master reference
Repair : TEMEX/SpectraTime LPFRS/LPRO 10MHz Rb generator
AC voltage/current meters and standards
Restoration : Wavetek 4920/4920M teardown, repair and usage cases, come join!
Commercial DC Voltage standards
Zlymex overview and teardowns: Voltage Standards
EDC 520A repair
Teardown: Valhalla 2707A DC/current standard
Fluke 341A DC voltage calibrator
Is my "new" Fluke 731B stabilizing or going crazy ?
Teardown : HP 3455A reference module 11177B-01723
Fluke 731B repair and modifications
Wavetek/Fluke 7004 system
Fluke 732A/732B/734A
Fluke 732B repair.
Fluke 732A excessive drift
Barometric pressure influence fluke 732B accuracy
Wanted - Fluke 732B DC Standard
Fluke 732B DC Standard Teardown
The Current Cost of Chasing PPM's (Fluke 732b price list)
Datron 4910/4911/4912
Datron 4910 PWM-Schematics
Looking for a Datron 4910
Repair Datron/Wavetek 4910 Voltage Standard
Weston chemical standard cells
Dr.Frank's #1000: My (hi)story of the Weston cell, of the Volt, and of being a volt-nuts
Cropico ESC1 electronic standard cell / a look inside
Weston Standard Cell
Muirhead STD and REF cells - all catalogue info uploaded !
«
Last Edit: December 03, 2021, 06:08:35 am by TiN
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TiN
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Re: [INDEX] Metrology section quick guide
«
Reply #1 on:
December 14, 2016, 04:49:25 am »
Low current/high-impedance measurements
Measuring nanoamps and below like a Ninja
HighVoltage's TRIAX cable shielded box project
DMM/standards comparisons
DMM Noise comparison testing
7.5 digit bench DMMs comparison
8.5 digit DMMs
Rigol DM3068 vs Agilent 34461A
Comparing calibration (DC 10V) on Fluke/Keysight/Keithley bench DMM's
Datalogging/metrology-related software and analysis
Raspberry Pi image from Phil supporting NI GPIB USB, Agilent GPIB USB and HPAK E5810 VXI controllers (2021)
Raspberry Pi2/3 logging platform for Voltnuts
RF Scientific GPIB Logger v 1.0
Flood of new Agilent 82357B GPIB-USB adaptors on eBay the real deal?
Understanding Allan Deviation measurements
Cabling, scanners and interfacing in metrology
Low thermal EMF binding posts - a quality warning
Recommended DMM banana TEST leads for Metrology applications
Low thermal EMF scanner and ordinary non-latching relays
Measurements on emf-error of switches
How a precision DMM have a high input impedance in the Gohm Rang?
DIY Low EMF cable and connectors
Teardown : Data Proof 160A
Binding posts/banana sockets cleaning on DMMs/metrology lab gear?
Other meters
New Agilent 34461A 6.5 Digit Bench Multimeter
Keysight 34465A (6.5 digit) and 34470A (7.5 dight) share same hardware?
Keysight's new 34465A (6.5 digit) and 34470A (7.5 digit) bench multimeters
Datron/Wavetek 1271
Datron 1071 repair
Datron 1281 Internal source Calibration Error codes 2202, 2192, & 2162
Datron Wavetek 1271 1281 self test question + details of successful repair
Teardown : Fluke 845A/AB/AR nullmeter/HZ voltmeter tweaks and mods (and repairs)
Keithley 2002 8.5 digit DMM review and teardown
Keithley 2002 from 1994, repair good ol' cap leaks destuction derby
Restoration glory of Keithley 2001 DMM
Teardown : Keithley 2001-TCSCAN CJC card for K2000/2001/2002
Null voltmeters
Keithley DMM7510 7.5-Digit Multimeter Review, Teardown & Experiments
Tektronix DMM 4050 shows exceptionally good performance
Solartron 7071 / 7081 last digit is jumping all over the place
Uncertainty analysis and metrology statistics / methods
Uncertainty Budgets and Decision Rules
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Last Edit: December 17, 2021, 12:40:45 am by TiN
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TiN
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Re: [INDEX] Metrology section quick guide
«
Reply #2 on:
December 14, 2016, 04:52:26 am »
RSVD for future updates.
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EEVblog
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Re: [INDEX] Metrology section quick guide
«
Reply #3 on:
December 14, 2016, 05:25:41 am »
I've set this topic as a sticky.
Can't put all those threads as stickies obviously, so this nice list will be do the job
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edpalmer42
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Re: [INDEX] Metrology section quick guide
«
Reply #4 on:
December 14, 2016, 05:56:06 am »
TiN,
Since there's a 20 KB limit per message, you might want to make sure that there's room in each message so that new threads can be added to the relevant sections.
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CalMachine
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Metrology Nut
Re: [INDEX] Metrology section quick guide
«
Reply #5 on:
December 14, 2016, 01:50:35 pm »
I love you TiN!!
Thank you so much for all your hard work and effort! This well help me a lot in the next coming year or 2 as I am starting to plan out ways I want to try to improve the multislope ADC topology. I also want to see if I can implement those new Chinese 2DW23X zener references somehow.
I recently started watching a few of your videos on youtube, and I am extremely impressed.
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mimmus78
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Re: [INDEX] Metrology section quick guide
«
Reply #6 on:
December 14, 2016, 03:31:02 pm »
Well yes I love you are the right words. Really impressive work to organise all this stuff.
Inviato dal mio Nexus 6P utilizzando Tapatalk
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edpalmer42
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Re: [INDEX] Metrology section quick guide
«
Reply #7 on:
December 18, 2016, 02:52:28 am »
These threads should be added to the Time & Frequency topic:
https://www.eevblog.com/forum/projects/a-look-at-my-symmetricom-gpsdo-(ocxo-furuno-receiver)/
https://www.eevblog.com/forum/beginners/does-anyone-recognize-this-board-is-it-a-gpsdo/
- NEC GPSDO with an Epson Toyocom TC-6920N OCXO.
https://www.eevblog.com/forum/testgear/economical-option-for-precision-frequency-reference/
- Lucent RFTG-u GPSDO (mostly)
https://www.eevblog.com/forum/beginners/help-me-understand-allan-deviation-measurements/
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TiN
MegaVolt
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Re: [INDEX] Metrology section quick guide
«
Reply #8 on:
September 02, 2019, 10:15:29 am »
"Selection criteria for the OPAMPs in the LTZ1000A sch" invalid link.
I could not find this topic myself through a search
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cnt
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Re: [INDEX] Metrology section quick guide
«
Reply #9 on:
December 03, 2021, 05:35:07 am »
"poor man's 1:100 resistance transfer standard" link is broken. it should be: (the ' in the url should be a _)
https://www.eevblog.com/forum/metrology/poor-man_s-1-100-resistance-transfer-standard/
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TiN
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Re: [INDEX] Metrology section quick guide
«
Reply #10 on:
December 03, 2021, 06:08:44 am »
Thanks, fixed.
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RikV
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Re: [INDEX] Metrology section quick guide
«
Reply #11 on:
June 14, 2022, 08:56:47 pm »
Could ADR1399 be added to LM399 links?
Siglent meters?
Thanks for this great help!
What about ADR1000?
«
Last Edit: June 18, 2022, 01:27:42 pm by RikV
»
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Rax
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Re: [INDEX] Metrology section quick guide
«
Reply #12 on:
January 28, 2024, 04:33:46 pm »
TiN - suggesting a couple of threads which I believe belong in your repository:
Linear LTZ1000/LTZ1000A
:
https://www.eevblog.com/forum/metrology/agilent-keysight-03458-66509-dcv-reference-pca-for-3458a/.
It's a thread that puts good effort in compacting and boiling down essential information for building a simple LTZ1000/A 10V reference kit. The humongous equivalent thread is very difficult to navigate.
Other meters
:
https://www.eevblog.com/forum/metrology/prema-6048-teardown/.
By far the best thread on this meter, including thorough analysis of its performance, issues (INL!), and even modifications intended to cure its design issues. A lot of good work put in this long-ish thread.
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