[volt-nuts] Poll

[Electronics and Books]

In the inventory are

- Voltage standards
  Datron 4910
  Guildline 4410
- Resistance standards
  ESI DB877 box to 10M
  Absolute Ohm resistors from 1m to 10k by Bleeker
- Inductance standards
  Different General Radio Primary inductors
- Calibrator
  Fluke 5200
- Measuring
  8 digit
    HP 3458A
  7 digit
    Fluke 8506
    Keithley 2001
    Keithley 2010
    Philips PM2530
  6 digit
    HP 34401A
  Different Keithley and HP units for very low voltage (1pV)
   , very low current (100aA) and high resistance (>POhm)
  Frequency
    SR620
    HP 53132
  Impedance
    General Radio 1620
    General Radio 1689M
    Ando AG-4311 for which i search for the manual
    Tongui

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--- On Wed, 12/30/09, Randy Scott <scottr9 at yahoo.com> wrote:

> From: Randy Scott <scottr9 at yahoo.com>
> Subject: [volt-nuts] Poll
> To: volt-nuts at febo.com
> Date: Wednesday, December 30, 2009, 11:53 AM
> Nuts,
> 
> I'm curious to know if people are maintaining their own
> standards of voltage and resistance.  If so, do you
> have a single standard or multiple?  How often do you
> send your standard(s) for calibration?  How often do
> you perform comparisons between your multiple standards?
> 
> Do you maintain a standard "just because" or do you use it
> to calibrate other equipment (e.g., artifact calibration of
> a multimeter)?
> 
> Thanks.
> 
> Randy.
> 
> 
>       
> 
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