Fluke MET/CAL Procedure ============================================================================= INSTRUMENT: Fluke 8010A: CAL ADJ /5520,45 INSTRUMENT: Fluke 8012A: CAL ADJ /5520,45 DATE: 19-Aug-97 AUTHOR: Fluke Corporation REVISION: $Revision: 1.1 $ ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 1 NUMBER OF LINES: 155 CONFIGURATION: Fluke 5520A CONFIGURATION: Fluke 45 ============================================================================= # # Source: # Fluke 8010A/8012A Digital Multimeter Instrucion Manual # (August 1978, Rev. 1 9/78) # # 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. # # The 90 day specifications of the 5520A are used in TUR computations. # STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK- N P F W 1.002 HEAD PRELIMINARY INSTRUCTIONS 1.003 DISP Remove the screw on the back panel of the instrument 1.003 DISP and slide the cover off. Since the components are on 1.003 DISP the bottom side of the pcb's, it will be necessary to 1.003 DISP turn the instrument upside down to gain access to the 1.003 DISP adjustments. 1.004 DISP Before performing verification allow the UUT to 1.004 DISP stablize @ 23+/-5degC in an environment of less than 80% 1.004 DISP humidity. 1.004 DISP 1.004 DISP Turn on UUT. 1.005 HEAD DC CALIBRATION ADJUSTMENT 1.006 DISP Connect the 5520A and the UUT as follows. 1.006 DISP [32] 5520A NORMAL HI to UUT V/kOhm/S 1.006 DISP [32] 5520A NORMAL Lo to UUT COMMON 1.007 RNG 2V 1.008 5520 1.888V S 2W 1.009 DISP Adjust R4 (DC CAL) for a UUT display of exactly 1.888V. 1.010 5520 -1.888V S 2W 1.011 OPBR Does UUT Indicate -1.888+/-0.001V? 1.012 JMPT 1.019 1.013 DISP Adjust R6 for a UUT display of -1.888+/-0.001V. 1.014 5520 1.888V S 2W 1.015 OPBR Does UUT Indicate 1.888+/-0.001V? 1.016 JMPT 1.019 1.017 DISP Adjust R6 for a UUT display of 1.888+/-0.001V. 1.018 JMP 1.010 1.019 5520 * S 1.020 DISP Remove all connections. 1.021 HEAD RMS CONVERTER OFFSET ADJUSTMENT 1.022 RNG 2V AC 1.023 DISP Short the UUT V/kOhm/S & COMMON terminals together. 1.024 DISP Connect the 45 and the UUT as follows. 1.024 DISP [32] 45 INPUT HI to TP1 1.024 DISP [32] 45 INPUT LO to COMMON 1.025 45 0.00V N 2W 1.026 MATH MEM1 = MEM * 1000 1.027 JMPZ 1.032 20U 1.028 DISP Failure! Voltage at TP1 is not between +/-20mV. 1.029 OPBR Do you wish to repeat the adjustment? 1.030 JMPT 1.021 1.031 JMP 1.097 1.032 DISP Connect the 45 and the UUT as follows. 1.032 DISP [32] 45 INPUT HI to TP2 1.032 DISP [32] 45 INPUT LO to COMMON 1.033 MESS Adjust R7 for an 45 display of [MEM1]+/-0.5mV. 1.034 45 0.5mV S 2W 1.035 DISP Remove all connections. 1.036 HEAD AC CALIBRATION ADJUSTMENT 1.037 DISP Connect the 5520A and the UUT as follows. 1.037 DISP [32] 5520A NORMAL HI to UUT V/kOhm/S 1.037 DISP [32] 5520A NORMAL Lo to UUT COMMON 1.038 DISP Adjust R21 to the middle of its range. 1.039 RNG 2V AC 1.040 5520 1.900V 100H SI S 2W 1.041 DISP Adjust R19 for a display of exactly 1.900V. 1.042 5520 * S 1.043 RNG 200mV AC 1.044 5520 190.0mV 100H SI S 2W 1.045 DISP Adjust R21 for a display of exactly 190.0mV. 1.046 5520 * S 1.047 RNG 2V AC 1.048 5520 1.900V 100H SI S 2W 1.049 OPBR Does UUT Indicate 1.900+/-0.001V? 1.050 JMPT 1.059 1.051 DISP Adjust R19 for a display of 1.900+/-0.001V. 1.052 5520 * S 1.053 RNG 200mV AC 1.054 5520 190.0mV 100H SI S 2W 1.055 DISP Does UUT Indicate 190.0+/-0.1mV? 1.056 JMPT 1.059 1.057 DISP Adjust R21 for a display of 190.0+/-0.1mV. 1.058 JMP 1.048 1.059 5520 * S 1.060 RNG 20V AC 1.061 5520 19.00V 10kH SI S 2W 1.062 DISP Adjust C1 for a display of exactly 19.00V. 1.063 5520 * S 1.064 RNG 200V AC 1.065 5520 110.0V 10kH SI S 2W 1.066 DISP Adjust C4 for a display of exactly 110.0V. 1.067 5520 * S # Recheck AC HI & HI LO adjustments 1.068 RNG 2V AC 1.069 5520 1.900V 100H SI S 2W 1.070 OPBR Does UUT Indicate 1.900+/-0.001V? 1.071 JMPF 1.051 1.072 5520 * S 1.073 RNG 200mV AC 1.074 5520 190.0mV 100H SI S 2W 1.075 OPBR Does UUT Indicate 190.0+/-0.1mV? 1.076 JMPF 1.057 1.077 5520 * S 1.078 DISP Remove all connections. 1.079 JMPT 1.097 Fluke 8010A: CAL ADJ /5520 # ASK- U used because UUT compensates for lead resistance. 1.080 ASK- U 1.081 HEAD LO RANGE Ohms CALIBRATION ADJUSTMENT 1.082 DISP Connect the 5520A and the UUT as follows. 1.082 DISP [32] 5520A NORMAL HI to UUT LO RANGE Ohms 1.082 DISP [32] 5520A NORMAL LO to UUT COMMON 1.083 DISP Set UUT to LO RANGE Ohm 1.084 RNG 20Z 1.085 5520 0Z S 2W 1.086 DISP Adjust the front panel ZERO control to read 00.00 1.087 5520 19Z S 2W 1.088 DISP Adjust R57 for a display of exactly 19.00 Ohms. 1.089 5520 * S 1.090 RNG 2Z 1.091 5520 1.9Z S 2W 1.092 MEMI Enter UUT reading in Ohms: 1.093 MATH MEM1 = MEM - 1.9 1.094 JMPZ 1.097 0.021U 1.095 OPBR 2 Ohm Range failed! 1.095 OPBR Do you wish to repeat the adjustment? 1.096 JMPT 1.081 1.097 END