Measuring and testing – Instrument proving or calibrating – Span or set point adjustment
Reexamination Certificate
2007-03-09
2009-11-10
Williams, Hezron (Department: 2856)
Measuring and testing
Instrument proving or calibrating
Span or set point adjustment
Reexamination Certificate
active
07614274
ABSTRACT:
A method for verifying the adjustment of a plurality of measurement instruments includes measuring a first value of an un-verified test value of a parameter with a first measurement instrument; measuring a second value of the same un-verified test value of a parameter with a second measurement instrument; comparing the first value with the second value; and determining an adjustment verification state based on the comparison.
REFERENCES:
patent: 4166974 (1979-09-01), Vermeers
patent: 4260942 (1981-04-01), Fleming
patent: 4866644 (1989-09-01), Shenk et al.
DeVito Alex
Keithley Instruments Inc.
Pearne & Gordon LLP
Williams Hezron
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