Metrology

• Metrology

  Everything metrology & Calibration related. This is where the Voltnuts hang out.

• Topics

• LT1021CMH based mini-reference

  Started by Alex Nikitin on 31 Jan, 2017 10:37
  Last post by iMo on 17 May, 2023 09:20

  Views: 65261, Replies: 105

• LM399H based reference with multiplying DAC

  Started by ejd.pol on 18 Apr, 2023 10:05
  Last post by Kleinstein on 16 May, 2023 08:49

  Views: 8761, Replies: 16

• Upgrade a garbage device

  Started by ssmsc on 08 May, 2023 14:21
  Last post by dhyddr on 10 May, 2023 01:07

  Views: 2797, Replies: 2

• ASL F17 and F700 circuits

  Started by Sengcid on 09 Apr, 2023 18:27
  Last post by mzzj on 09 May, 2023 17:00

  Views: 6429, Replies: 14

• JRL TRS-104 AC/DC Thermal Transfer Standard - Looking for GPIB command list

  Started by vvolt on 10 Oct, 2020 22:12
  Last post by EyeDontKnow on 09 May, 2023 01:47

  Views: 4729, Replies: 11

• BG7TBL GPSDO rubidium frequency standards

  Started by Raindog on 04 May, 2023 00:24
  Last post by thinkfat on 08 May, 2023 07:04

  Views: 3575, Replies: 4

• 121GW not passing calibration

  Started by mbd16 on 07 Mar, 2023 16:00
  Last post by J-R on 07 May, 2023 05:51

  Views: 9007, Replies: 15

• Transit calibration cases for our precious references.

  Started by TiN on 25 May, 2019 12:32
  Last post by HighVoltage on 02 May, 2023 09:37

  Views: 8431, Replies: 15

• FW controlled range switching for ADC input

  Started by Mark on 28 Apr, 2023 16:45
  Last post by David Hess on 01 May, 2023 13:33

  Views: 3235, Replies: 6

• Leader 856 multimer - any info?

  Started by widlokm on 06 Jul, 2021 10:31
  Last post by Jordanch68 on 01 May, 2023 04:35

  Views: 4424, Replies: 4

• 3458A / SN18 in a non-temperature controlled environment

  Started by alanambrose on 26 Apr, 2022 10:57
  Last post by Dr. Frank on 30 Apr, 2023 18:52

  Views: 4536, Replies: 12

• L&N 4393 Universal Ratio Set

  Started by Vgkid on 01 Jan, 2017 07:09
  Last post by Vgkid on 30 Apr, 2023 07:20

  Views: 6739, Replies: 11

• Spectracom 8189 GPS NetClock - looking for manuals

  Started by tkamiya on 27 Apr, 2023 12:37
  Last post by tkamiya on 28 Apr, 2023 19:48

  Views: 1709, Replies: 2

• 7V to 5V stage design? For LTZ1000 or other reference

  Started by aronake on 26 Apr, 2023 08:43
  Last post by aronake on 27 Apr, 2023 16:26

  Views: 4710, Replies: 9

• Advantest TR8641 Electronic Picoammeter Manuals?

  Started by lugaw on 12 Jun, 2022 03:18
  Last post by Swainster on 27 Apr, 2023 10:34

  Views: 2224, Replies: 3

• Short for the end of test leads when using 2W Ohms

  Started by mendip_discovery on 12 Apr, 2023 19:14
  Last post by mendip_discovery on 25 Apr, 2023 20:31

  Views: 6502, Replies: 19

• Python AsyncIO GPIB Libraries

  Started by maat on 02 Jan, 2021 08:08
  Last post by maat on 25 Apr, 2023 06:01

  Views: 9029, Replies: 20

• Gradiometric Wheatstone Bridges Calibration

  Started by Guille on 23 Apr, 2023 12:36

  Views: 1320, Replies: 0

• USB EPROM readers?...

  Started by Rax on 20 Apr, 2023 21:48
  Last post by fenugrec on 23 Apr, 2023 00:30

  Views: 4165, Replies: 9

• FLUKE 931B RMS Differential Voltmeter - operation and other checks?

  Started by Rax on 21 Apr, 2023 15:11

  Views: 1168, Replies: 0

• DIY ACV/DCV calibrator with AD5791

  Started by Micke on 04 Jun, 2020 09:39
  Last post by aronake on 21 Apr, 2023 08:26

  Views: 20597, Replies: 33

• 3458A problems with AC voltage measurement and with the ACAL AC procedure

  Started by Denisok09 on 02 May, 2020 11:34
  Last post by syau on 20 Apr, 2023 10:14

  Views: 3884, Replies: 3

• ASL F25 circuits

  Started by Sengcid on 19 Apr, 2023 18:47

  Views: 1150, Replies: 0

• ASL F26 and F300 circuits

  Started by Sengcid on 16 Apr, 2023 18:43
  Last post by Sengcid on 16 Apr, 2023 18:45

  Views: 1260, Replies: 1

• 10 MHz 0.1 ppb OXCOs on ebay for $3-20

  Started by rhb on 12 Apr, 2023 21:20
  Last post by MIS42N on 16 Apr, 2023 12:21

  Views: 2207, Replies: 2

• GM320 Infrared Thermometer calibration

  Started by devydd on 07 Jan, 2021 02:38
  Last post by hamidtq on 16 Apr, 2023 07:34

  Views: 10928, Replies: 4

• Noise spectrum of voltage reference diodes

  Started by jfphp on 08 Apr, 2023 13:49
  Last post by jfphp on 11 Apr, 2023 15:56

  Views: 3179, Replies: 6

• Help Me Understand My Resistance Measurement Error?

  Started by clansd99 on 11 Apr, 2023 11:44
  Last post by clansd99 on 11 Apr, 2023 11:57

  Views: 1544, Replies: 2

• Semiconductor leakage measurement in HTRB

  Started by arijav on 09 Apr, 2023 21:43
  Last post by mzzj on 10 Apr, 2023 10:56

  Views: 2630, Replies: 4

• How linear are 1/4W carbon film resistors?

  Started by dusan on 09 Apr, 2023 12:30
  Last post by Conrad Hoffman on 09 Apr, 2023 17:55

  Views: 2566, Replies: 6

• Unknown Voltage Reference

  Started by Survest on 08 Apr, 2023 15:27
  Last post by Kleinstein on 08 Apr, 2023 18:39

  Views: 2439, Replies: 7

• would like to get my "imperfect" Agilent 34410a calibrated : advice?

  Started by vsmith on 07 Apr, 2023 19:20

  Views: 1250, Replies: 0

• ESA609 Safety analyzer

  Started by [email protected] on 06 Apr, 2023 19:42

  Views: 1139, Replies: 0

• Have GPSDO - Now What?

  Started by NT0Z on 07 Feb, 2023 00:33
  Last post by tkamiya on 06 Apr, 2023 18:43

  Views: 11917, Replies: 29

• FFT measurements, DC bin and Power

  Started by radiolistener on 29 Mar, 2023 17:59
  Last post by radiolistener on 05 Apr, 2023 20:53

  Views: 9741, Replies: 13

• Making standard 10k resistor

  Started by nikonoid on 02 Apr, 2023 05:57
  Last post by TimFox on 05 Apr, 2023 18:15

  Views: 7848, Replies: 14

• ASL F18 Circuits

  Started by Sengcid on 21 Mar, 2023 19:36
  Last post by Sengcid on 28 Mar, 2023 18:41

  Views: 1896, Replies: 1

• Gertsch Ratio Transformer - maintenance

  Started by Rax on 25 Mar, 2023 21:29
  Last post by Rax on 28 Mar, 2023 04:22

  Views: 3134, Replies: 5

• 4263B Load calibration

  Started by metebalci on 26 Mar, 2023 17:57
  Last post by mzzj on 26 Mar, 2023 21:00

  Views: 1964, Replies: 4

• Null Detectors/Voltmeters - how useful for a turbo-hobby metrology lab?

  Started by Rax on 23 Feb, 2023 00:08
  Last post by iMo on 26 Mar, 2023 09:25

  Views: 18057, Replies: 45