User Contributed                                           MET/CAL PROCEDURE
=============================================================================
INSTRUMENT:            Keithley 177:Microvolt DMM
INSTRUMENT:            Keithley 177:Microvolt DMM (DTB# 9-18)
DATE:                  02-Oct-97
AUTHOR:                User Contributed
REVISION:              0
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       31
NUMBER OF LINES:       79
CONFIGURATION:         Fluke 5700A
=============================================================================
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  ASK-                                                     F        W
  1.002  ASK+           K                              X
  1.003  HEAD         * INITIAL CONDITIONS *
  1.004  DISP         Allow the UUT a 1 hour warm-up.
  1.005  DISP         [32] Connect the 5700A and the UUT as follows:
  1.005  DISP         [32]                         2-WIRE COMP
  1.005  DISP         [32]               5700A        TO        177
  1.005  DISP         [32]    OUTPUT-HI ------------> INPUT-HI
  1.005  DISP         [32]    OUTPUT-LO ------------> INPUT-LO
  1.005  DISP         [32]     SENSE-HI ------------> INPUT-HI
  1.005  DISP         [32]     SENSE-LO ------------> INPUT-LO
  1.006  HEAD         {* DC VOLTS TEST *}
  1.007  5700   2     1.0000V        0.0004U                               2W
  2.001  5700   2     -1.0000V       0.0004U                               2W
  3.001  5700   20    10.000V        0.004U                                2W
  4.001  5700   20    -10.000V       0.004U                                2W
  5.001  5700   200   100.00V        0.04U                                 2W
  6.001  5700   200   -100.00V       0.04U                                 2W
  7.001  5700   1000  1000.0V        0.5U                                  2W
  8.001  5700   1000  -1000.0V       0.5U                                  2W
  9.001  DISP         Set UUT to 20mV range.
  9.002  ASK-   R
  9.003  5700         0mV                                               S  2W
  9.004  DRAW          8 78  8 78                  100  5 66 70
  9.005  DISP         Adjust UUT front panel ZERO for a display indication
  9.005  DISP         of 0.000mV +/-0.001mV. [DRAW66,10,F]
  9.006  5700   20    19.000mV       0.013U                                2W
 10.001  5700   20    -19.000mV      0.013U                                2W
 11.001  ASK+   R
 11.002  5700   200   190.00mV       0.11U                                 2W
 12.001  5700   200   -190.00mV      0.11U                                 2W
 13.001  HEAD         { * AC VOLTS TEST *}
 13.002  5700   200   100.00mV       0.65U         1kH                     2W
 14.001  5700   2     1.0000V        0.0065U       1kH                     2W
 15.001  5700   20    10.000V        0.065U        1kH                     2W
 16.001  5700   200   100.00V        0.65U         1kH                     2W
 17.001  5700   1000  1000.0V        6.5U          1kH                     2W
 18.001  5700   20    10.000V        0.085U        45H                     2W
 19.001  5700   20    10.000V        0.085U        20kH                    2W
 20.001  HEAD         {* DC CURRENT TEST *}
 20.002  5700   200   100.00uA       0.21U                                 2W
 21.001  5700   2     1.0000mA       0.0021U                               2W
 22.001  5700   20    10.000mA       0.021U                                2W
 23.001  5700   200   100.00mA       0.21U                                 2W
 24.001  5700   2000  1000.0mA       2.1U                                  2W
 25.001  HEAD         {* RESISTANCE TEST *}
 25.002  ASK-   R
 25.003  DISP         Set UUT to the 200 Ohm range.
 25.004  5700         0Z                                                S  CW
 25.005  DRAW          8 78  8 78                  100  5 66 70
 25.006  DISP         Adjust UUT front panel ZERO for a display indication
 25.006  DISP         of 00.00 Ohm +/- 0.01 Ohm. [DRAW66,10,F]
 25.007  5700   200   190.00Z        0.14U                                 CW
 26.001  ASK+   R
 26.002  5700   2     1.9000kZ       0.0011U                               CW
 27.001  5700   20    19.000kZ       0.011U                                CW
 28.001  5700   200   190.00kZ       0.11U                                 2W
 29.001  5700   2000  1900.0kZ       1.1U                                  2W
#30.001  JMPT         31.001         Keithley 177:Microvolt DMM (DTB# 9-18)
 30.001  5700   20    10.000MZ       0.100U                                2W
#31.001  5700   20    10.000MZ       0.100U                                2W
 31.003  END