User Contributed                                           MET/CAL PROCEDURE
=============================================================================
INSTRUMENT:            Lab-Chron 1402:Timer
DATE:                  31-Aug-97
AUTHOR:                User Contributed
REVISION:              0
ADJUSTMENT THRESHOLD:  70%
NUMBER OF TESTS:       7
NUMBER OF LINES:       127
CONFIGURATION:         Fluke 5700A
CONFIGURATION:         HP 5335A
STANDARD:              Stanford Research FS700
=============================================================================
 STEP    FSC    RANGE NOMINAL        TOLERANCE     MOD1        MOD2  3  4 CON
  1.001  ASK-                        P     U                      F        W
  1.002  ASK+                                          X
  1.003  HEAD         * INITIAL CONDITIONS *
  1.004  DISP         The following additional equipment is required for
  1.004  DISP         this procedure:
  1.004  DISP         Timer Calibration Fixture
  1.005  DISP         Connect the Stanford Research FS700 rear panel 10MHz
  1.005  DISP         OUTPUT to the TIME BASE input on the 5335A counter.
  1.006  STD          Stanford Research FS700
  1.007  DISP         Connect the UUT AC plug into the
  1.007  DISP         appropriate 115VAC receptacle.
  1.008  OPBR         Is the UUT counting?
  1.009  JMPT         1.013
  1.010  DISP         Press the UUT start/stop switch.
  1.011  OPBR         Is the UUT counting?
  1.012  JMPF         1.007
  1.013  DISP         Disconnect the UUT from the AC outlet.
  1.014  DISP         Connect the UUT AC plug to the Timer Calibration Fixture
  1.014  DISP         "TIMER" AC receptacle.
  1.015  DISP         Set the Fixture's OPEN/SHORT switch to the OPEN
  1.015  DISP         position.
  1.016  DISP         Plug Timer Calibration Fixture AC plug into the
  1.016  DISP         appropriate 115VAC receptacle.
  1.017  DISP         Rotate the UUT thumbwheels in a downward direction
  1.017  DISP         for a reading of 00000.
  1.018  DISP         Connect the Timer Calibration Fixture as follows:
  1.018  DISP         TO COUNTER ........................ 5335A INPUT A
  1.018  DISP         VOLTAGE IN ........................ 5700A OUTPUT
  1.019  HEAD         {* Timer Calibration *}
  1.020  JMP          2.005
  1.021  EVAL
  2.001  DISP         Set the Fixture's OPEN/SHORT switch to the OPEN
  2.001  DISP         position.
  2.002  DISP         Rotate the UUT thumbwheels in a downward direction
  2.002  DISP         for a reading of 00000.
  2.003  IEEE         [@5335]RE
  2.004  JMP          2.009
  2.005  IEEE         [@5335][TERM LF]
  2.006  IEEE         [@5335]IN[D2000]
  2.007  IEEE         [@5335]FN2, AF1, CO1, TR1, AS1, AT1.25, BT4.75;
  2.008  IEEE         [@5335]WA1;
  2.009  5700         5.00V                                             S  2W
  2.010  DISP         Set the Fixture's OPEN/SHORT switch to the SHORT
  2.010  DISP         position.
  2.011  OPBR         Is the counter's GATE light on?
  2.012  JMPF         2.001
  2.013  HEAD         TEST RUNNING
  2.014  DISP         When the UUT's display reads 10, set the Fixture's
  2.014  DISP         OPEN/SHORT switch to the OPEN position.
  2.015  HEAD         * Timer Calibration *
  2.016  ACC          T              0.001%
  2.017  IEEE         [@5335][I]
  2.018  MEME
  2.019  MEMI         Use keyboard to enter actual UUT reading in Seconds:
  2.020  MEME
  2.021  MEMC         T              1.000U
#!          Test Tol 1, Sys Tol 0.0001, TUR 10000.000 (>= 4.00).
  3.001  DISP         Rotate the UUT thumbwheel in a downward direction
  3.001  DISP         until the UUT reads all zeros.
  3.002  JMP          4.003
  3.003  EVAL
  4.001  DISP         Set the Fixture's OPEN/SHORT switch to the OPEN
  4.001  DISP         position.
  4.002  DISP         Rotate the UUT thumbwheel in a downward direction
  4.002  DISP         until the UUT reads all zeros.
  4.003  IEEE         [@5335]RE;[D1000]
  4.004  5700         5.00V                                             S  2W
  4.005  DISP         Set the Fixture's OPEN/SHORT switch to the SHORT
  4.005  DISP         position.
  4.006  OPBR         Is the counter's GATE light on?
  4.007  JMPF         4.001
  4.008  HEAD         [27][91]7m[27][91]5mTEST RUNNING
  4.009  DISP         When the UUT's display reads 100, set the Fixture's
  4.009  DISP         OPEN/SHORT switch to the OPEN position.
  4.010  HEAD         * Timer Calibration *
  4.011  ACC          T              0.001%
  4.012  IEEE         [@5335][I]
  4.013  MEME
  4.014  MEMI         Use keyboard to enter actual UUT reading in Seconds:
  4.015  MEME
  4.016  MEMC         T              1.000U
#!          Test Tol 1, Sys Tol 0.001, TUR 1000.000 (>= 4.00).
  5.001  DISP         Rotate the UUT thumbwheel in a downward direction
  5.001  DISP         until the UUT reads all zeros.
  5.002  JMP          6.003
  5.003  EVAL
  6.001  DISP         Set the Fixture's OPEN/SHORT switch to the OPEN
  6.001  DISP         position.
  6.002  DISP         Rotate the UUT thumbwheel in a downward direction
  6.002  DISP         until the UUT reads all zeros.
  6.003  IEEE         [@5335]RE;[D1000]
  6.004  5700         5.00V                                             S  2W
  6.005  DISP         Set the Fixture's OPEN/SHORT switch to the SHORT
  6.005  DISP         position.
  6.006  OPBR         Is the counter's GATE light on?
  6.007  JMPF         6.001
  6.008  HEAD         TEST RUNNING
  6.009  DISP         When the UUT's display reads 1000, set the Fixture's
  6.009  DISP         OPEN/SHORT switch to the OPEN position.
  6.010  HEAD         * Timer Calibration *
  6.011  ACC          1000.00T       0.001%
  6.012  IEEE         [@5335][I]
  6.013  MEME
  6.014  MEMI         Use keyboard to enter actual UUT reading in Seconds:
  6.015  MEME
  6.016  MEMC         T              1.000U
#!          Test Tol 1, Sys Tol 0.01, TUR 100.000 (>= 4.00).
  7.001  END
#! T.U.R.s less than 4.00:                  0
#! T.U.R.s estimated using RANGE value:     0
#! T.U.R.s not calculated (ASK- U):         0
#! T.U.R.s not computable at compile time:  0
#! FOR JUSTIFICATION REFER TO COMMENTS FOLLOWING EACH TEST IN THIS LISTING.