Fluke                                                       MET/CAL Procedure
=============================================================================
INSTRUMENT:            Sub Yokogawa uR100 Zero and Span CAL ADJ /5520
DATE:                  15-Sep-97
AUTHOR:                Fluke Corporation
REVISION:              $Revision: 1.1 $
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       1
NUMBER OF LINES:       70
CONFIGURATION:         Fluke 5520A
=============================================================================
#
# Compatibility:
#   5500/CAL 5.0 or MET/CAL 5.0 or later.
#
# Subprocedures:
#   None
#
# Required Files:
#   None
#
# System Specifications:
#   TUR calculation is based on specification interval of the accuracy file.
#   The default 5520A accuracy file contains 90 day specs.
#
# Fluke makes no warranty, expressed or implied, as to the fitness
# or suitability of this procedure in the customer's application.
#
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  HEAD         ADJUSTMENT LOCATION
  1.002  DISP         Leave internal assembly pulled out.  The adjustments
  1.002  DISP         are located on the left side of the unit.
  1.002  DISP
  1.002  DISP         Channel 1 adjustments are the TOP set, channel 2 are
  1.002  DISP         under that, and channel 3 are under those.

  1.003  HEAD         CHANNEL [MEM] ZERO and SPAN Adjustments
  1.004  DISP         Using the keyboard on the side of the UUT...
  1.004  DISP
  1.004  DISP         Set the CHANNEL NUMBER to [MEM].
  1.004  DISP         Set the MEASUREMENT RANGE to 00.
  1.004  DISP         Set the RECORDING RANGE to -20.00mV to 20.00mV.
  1.004  DISP
  1.004  DISP         Refer to instruction manual if unfamiliar w/keyboard
  1.005  DISP         Using the keyboard on the side of the UUT..
  1.005  DISP
  1.005  DISP         Set the DISPLAY to MAN DATA.
  1.005  DISP
  1.005  DISP         USING the < > keys SELECT CHANNEL [MEM].
  1.006  DISP         Connect the 5520 to the UUT Channel [MEM] as follows:
  1.006  DISP         [32] 5520A NORMAL HI to UUT A - TOP INPUT TERMINAL
  1.006  DISP         [32] 5520A NORMAL LO to UUT B - BOTTOM INPUT TERMINAL
  1.007  5520         -20.00mV                                          S  2W
  1.008  DISP         Adjust the channel [MEM] ZERO adjustment for a
  1.008  DISP         recording at the LEFT EDGE of the chart (0).
  1.008  DISP
  1.008  DISP         NOTE: The 100% point will be moved the same amount.
  1.009  5520         20.00mV                                           S  2W
  1.010  DISP         Adjust the channel [MEM] SPAN adjustment for a
  1.010  DISP         recording at the RIGHT EDGE of the chart (100).
  1.010  DISP
  1.010  DISP         NOTE: The zero point is slightly affected by span adj.
  1.011  5520         -20.00mV                                          S  2W
  1.012  OPBR         Is the ZERO at the LEFT EDGE of the chart +/- 1div?
  1.013  JMPF         1.007
  1.014  5520         20.00mV                                           S  2W
  1.015  OPBR         Is the 100% at the RIGHT EDGE of the chart +/-1 div?
  1.016  JMPF         1.009
  1.017  5520         *                                                 S
  1.018  END