Fluke MET/CAL Procedure ============================================================================= INSTRUMENT: Graphtec WX1200A: CAL ADJ /5500 DATE: 03-Sep-97 AUTHOR: Fluke Corporation REVISION: $Revision: 1.6 $ ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 1 NUMBER OF LINES: 150 CONFIGURATION: Fluke 45 CONFIGURATION: Fluke 5500A ============================================================================= # # Compatibility: # 5500/CAL 4.0 or MET/CAL 4.0 or later. # # Subprocedures: # None # # Required Files: # None # # System Specifications: # TUR calculation is based on specification interval of the accuracy file. # The default 5500A 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 DISP Procedure not formally tested with UUT. 1.001 DISP See procedure README file. 1.002 ASK- N P F V 1.003 ASK+ K X 1.004 HEAD PRELIMINARY INSTRUCTIONS 1.005 DISP Warm-up time: 20 min. - REQUIRED 1.005 DISP Temperature: 18 - 28 degC 1.005 DISP Humidity: <85% 1.006 DISP [32] WARNING 1.006 DISP HIGH VOLTAGE is used or exposed during the performance 1.006 DISP of this calibration. DEATH ON CONTACT may result if 1.006 DISP personnel fail to observe safety precautions. 1.007 HEAD INITIAL SETUP 1.008 DISP Load a sheet of graph paper (divided into cm divisions) 1.008 DISP and align the paper to be parallel in both the 1.008 DISP X and Y directions. 1.009 HEAD STABILZER VOLTAGE: X-Axis 1.010 DISP Connect the 5500 NORMAL HI and LO to the UUT X INPUT. 1.010 DISP Connect the Fluke 45 to TB101 and TB102. 1.011 MESS Adjust R142 for +8.00 +/-0.03V. 1.012 45 8.00V S 2W 1.013 MESS 1.014 HEAD GAIN ADJUSTMENT: X-Axis 1.015 DISP Set the MEAS/OFF switch to MEAS and the RANGE to 500mV. 1.016 5500 0V S 2W 1.017 DISP Using the X POSITION control, align the X pen to 0. 1.018 DISP Set the X RANGE to 10mV 1.019 DISP Adjust R122 for minimum pen vibration. 1.020 5500 * S 1.021 HEAD LIMITER AND ZERO ADJUSTMENT: X-Axis 1.022 5500 0mV S 2W 1.023 DISP Adjust the X POSITION control, from END to END. 1.024 DISP Adjust R120 so that the Total width is 254mm. 1.025 OPBR Was R120 adjusted for 254mm of pen movement? 1.026 MATH MEM = MEM1 + 1 1.027 DISP Adjust the X POSITION control, from END to END. 1.028 DISP Adjust R137 so that pen limits are centered 2mm outside 1.028 DISP ends of the recording scale. 1.029 OPBR Was R137 adjusted 2mm past chart ends? 1.030 MATH MEM = MEM + (MEM1 + 1) 1.031 MEME 1.032 JMPZ 1.035 0.1U 1.033 DISP These adjustments interact, so until NO adjustment is 1.033 DISP made on BOTH adjustments, this procedure will continue 1.033 DISP to alternate between these tests! 1.034 JMP 1.022 1.035 HEAD OFFSET ADJUSTMENT: X-Axis 1.036 DISP Set the WX1200A MEAS/OFF switch to OFF. 1.037 DISP While changing the RANGE from 500mV through 0.5mV, 1.037 DISP adjust R105 so that the pen does not move as ranges are 1.037 DISP switched. 1.038 HEAD SENSITIVITY ADJUSTMENT: X-Axis 1.039 DISP Set the MEAS/OFF switch to MEAS. 1.040 5500 0mV S 2W 1.041 DISP Set the RANGE to 100mV/cm. 1.042 DISP Adjust the X POSITION control to EXACTLY 0. 1.043 5500 2.500V S 2W 1.044 DISP Adjust R107 for a full scale pen deflection. 1.045 5500 * S 1.046 HEAD STABILZER VOLTAGE: Y-Axis 1.047 DISP Connect the 5500A NORMAL HI and LO to the UUT Y INPUT. 1.047 DISP Connect the Fluke 45 to TB201 and TB202. 1.048 MESS Adjust R242 for +8.00 +/-0.03V. 1.049 45 8.00V S 2W 1.050 MESS 1.051 HEAD GAIN ADJUSTMENT: Y-Axis 1.052 DISP Set the MEAS/OFF switch to MEAS and the RANGE to 500mV. 1.053 5500 0V S 2W 1.054 DISP Using the Y POSITION control, align the Y pen to 0. 1.055 DISP Set the Y RANGE to 10mV. 1.056 DISP Adjust R222 for minimum pen vibration. 1.057 5500 * S 1.058 HEAD LIMITER AND ZERO ADJUSTMENT: Y-Axis 1.059 5500 0mV S 2W 1.060 DISP Adjust the Y POSITION control, from END to END. 1.061 DISP Adjust R220 so that the Total width is 184mm. 1.062 OPBR Was R220 adjusted for 184mm of pen movement? 1.063 MATH MEM = MEM1 + 1 1.064 DISP Adjust the Y POSITION control, from END to END. 1.065 DISP Adjust R237 so that pen limits are centered 2mm outside 1.065 DISP both ends of the recording scale. 1.066 OPBR Was R237 adjusted 2mm past chart ends? 1.067 MATH MEM = MEM + (MEM1 + 1) 1.068 MEME 1.069 JMPZ 1.072 0.1U 1.070 DISP These adjustments interact, so until NO adjustment is 1.070 DISP made on BOTH adjustments, this procedure will continue 1.070 DISP to alternate between these tests! 1.071 JMP 1.059 1.072 HEAD OFFSET ADJUSTMENT: Y-Axis 1.073 DISP Set the MEAS/OFF switch to OFF. 1.074 DISP While changing the RANGE from 500mV through 0.5mV, 1.074 DISP adjust R205 so that the pen does not move as ranges are 1.074 DISP switched. 1.075 HEAD SENSITIVITY ADJUSTMENT: Y-Axis 1.076 DISP Set the MEAS/OFF switch to MEAS. 1.077 5500 0mV S 2W 1.078 DISP Set the RANGE to 100mV/cm. 1.079 DISP Adjust the Y POSITION control to EXACTLY 0. 1.080 5500 1.800V S 2W 1.081 DISP Adjust R207 for a full scale pen deflection. 1.082 HEAD PHASE ADJUSTMENT: Y-Axis 1.083 DISP Connect the 5500A NORMAL HI and LO to both the X and Y 1.083 DISP INPUTS using a tee connector. 1.084 DISP Set both the X and Y RANGES to 100mV/cm. 1.085 5500 0.5Vp 0.5H SI S 2W 1.086 DISP Adjust R250 so that the recorded lines are separated 1.086 DISP by no more than 0.4mm. 1.087 END