Fluke MET/CAL Procedure ============================================================================= INSTRUMENT: Fluke 8840A: CAL ADJ IEEE /5520 INSTRUMENT: Fluke 8842A: CAL ADJ IEEE /5520 DATE: 22-Sep-97 AUTHOR: Fluke Corporation REVISION: $Revision: 1.1 $ ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 1 NUMBER OF LINES: 255 CONFIGURATION: Fluke 5520A ============================================================================= # # Source: # 8840A Instruction Manual dated 5/84. Section 6. # 8842A Instruction Manual dated 6/86. Section 6. # Procedures are identical for both 8840A and 8842A. # The 8842A procedure include steps for the additional ranges. # # Compatibility: # 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- R Q N P J F W 1.002 HEAD EQUIPMENT SETUP 1.003 DISP [32] WARNING 1.003 DISP HIGH VOLTAGE is used or exposed during the performance 1.003 DISP of this calibration. DEATH ON CONTACT may result if 1.003 DISP personnel fail to observe safety precautions. 1.004 DISP Plug in the UUT and turn it on. 1.004 DISP Warm-up time: 1 hour. 1.004 DISP Ambient temperature: 18C - 28C. 1.004 DISP Relative humidity: less than 70%. 1.004 DISP 1.004 DISP Connect the 884xA to IEEE-488 port 1 on the PC. 1.005 DISP [32] CAUTION 1.005 DISP To avoid uncalibrating the 8840A/8842A NEVER toggle 1.005 DISP the power on or off while the CAL ENABLE switch is on!!! # Reset 8840A/8842A. 1.006 IEEE *[D3000]X0T2 # Check for position FRONT/REAR switch. 1.007 IEEE G5[I] 1.008 MATH MEM1 = MEM - 1000 1.009 JMPZ 1.012 1.010 DISP Place the FRONT/REAR switch to the FRONT setting (out 1.010 DISP position). 1.011 JMP 1.007 # # Check for AC option. # Send F2 (VAC). If option is not installed, the G7 response will be # 1030 "AC functions available only with 8842A-09 True RMS AC option. # Therefore M[1] = 30 if present or 0 if not. 1.012 IEEE F2 1.013 IEEE G7[I] 1.014 MATH M[1] = 1030 - MEM # # Check position CAL switch. 1.015 IEEE G4[I] 1.016 MATH MEM1 = MEM - 1000 1.017 JMPT 1.020 1.018 DISP Put 8840A/8842A in CAL MODE by pushing with a small 1.018 DISP screwdriver through the hole at the right side of the 1.018 DISP front panel. 1.019 JMP 1.015 # 1.020 DISP Connect the 5520A and the UUT as follows. 1.020 DISP [32] 5520A NORMAL HI to UUT INPUT HI 1.020 DISP [32] 5520A NORMAL LO to UUT INPUT LO 1.020 DISP [32] 5520A AUX HI to UUT 2A INPUT 1.020 DISP [32] 5520A AUX LO to UUT INPUT LO 1.020 DISP [32] 5520A GUARD (using shields) to UUT INPUT LO 1.021 HEAD A/D CALIBRATION ADJUSTMENT # Select A/D Calibration. 1.022 IEEE C1 # Get calibration value. 1.023 IEEE G2[I] 1.024 5520 V S 2W # Tell 884xA to take readings, and compute and store calibration constants. 1.025 IEEE C0 # Set timeout to 30s. 1.026 MATH MEM1 = 30 1.027 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.028 JMPT 1.032 1.029 OPBR Timed out waiting for cal step to complete. 1.029 OPBR Would you like to repeat the step? 1.030 JMPT 1.025 1.031 JMP 1.161 1.032 IEEE G4[I] 1.033 MATH MEM1 = MEM - 1001 1.034 JMPZ 1.023 1.035 HEAD DC VOLTAGE OFFSET AND GAIN 1.036 IEEE C1F1 1.037 IEEE G2[I] 1.038 5520 V S 2W 1.039 IEEE C0 1.040 MATH MEM1 = 60 1.041 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.042 JMPT 1.046 1.043 OPBR Timed out waiting for cal step to complete. 1.043 OPBR Would you like to repeat the step? 1.044 JMPT 1.039 1.045 JMP 1.161 1.046 IEEE G4[I] 1.047 MATH MEM1 = MEM - 1002 1.048 JMPZ 1.037 1.049 5520 * S 1.050 MATH MEM1 = M[1] 1.051 JMPZ 1.071 1.052 HEAD AC VOLTAGE OFFSET AND GAIN 1.053 IEEE F2 1.054 IEEE G2[I] 1.055 MATH MEM1 = MEM - 0.022 1.056 JMPF 1.059 1.057 5520 V 1kH SI S 2W 1.058 JMP 1.060 1.059 5520 V 1kH SI S 2W 1.060 IEEE C0 1.061 MATH MEM1 = 30 1.062 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.063 JMPT 1.067 1.064 OPBR Timed out waiting for cal step to complete. 1.064 OPBR Would you like to repeat the step? 1.065 JMPT 1.060 1.066 JMP 1.161 1.067 IEEE G4[I] 1.068 MATH MEM1 = MEM - 1002 1.069 JMPZ 1.054 1.070 5520 * S 1.071 HEAD DC CURRENT OFFSET AND GAIN 1.072 IEEE F5 1.073 IEEE G2[I] 1.074 MATH MEM1 = MEM 1.075 JMPZ 1.077 1.076 5520 A S 2W 1.077 IEEE C0 1.078 MATH MEM1 = 30 1.079 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.080 JMPT 1.084 1.081 OPBR Timed out waiting for cal step to complete. 1.081 OPBR Would you like to repeat the step? 1.082 JMPT 1.077 1.083 JMP 1.161 1.084 IEEE G4[I] 1.085 MATH MEM1 = MEM - 1002 1.086 JMPZ 1.073 1.087 5520 * S # Check AC option flag. 1.088 MATH MEM1 = M[1] 1.089 JMPZ 1.121 1.090 HEAD AC CURRENT OFFSET AND GAIN 1.091 IEEE F6 1.092 IEEE G2[I] 1.093 5520 A 1kH SI S 2W 1.094 IEEE C0 1.095 MATH MEM1 = 30 1.096 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.097 JMPT 1.101 1.098 OPBR Timed out waiting for cal step to complete. 1.098 OPBR Would you like to repeat the step? 1.099 JMPT 1.094 1.100 JMP 1.161 1.101 IEEE G4[I] 1.102 MATH MEM1 = MEM - 1002 1.103 JMPZ 1.092 1.104 5520 * S 1.105 HEAD HIGH FREQUENCY AC VOLTAGE 1.106 IEEE C2 1.107 IEEE G2[I] 1.108 5520 V 100kH SI S 2W 1.109 IEEE C0 1.110 MATH MEM1 = 30 1.111 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.112 JMPT 1.116 1.113 OPBR Timed out waiting for cal step to complete. 1.113 OPBR Would you like to repeat the step? 1.114 JMPT 1.109 1.115 JMP 1.161 1.116 IEEE G4[I] 1.117 MATH MEM1 = MEM - 1004 1.118 JMPZ 1.107 1.119 5520 * S 1.120 DISP Change the connections as follows: 1.120 DISP [32] 5520A NORMAL HI to UUT INPUT HI 1.120 DISP [32] 5520A NORMAL LO to UUT INPUT LO 1.120 DISP [32] 5520A AUX HI to UUT SENSE HI 1.120 DISP [32] 5520A AUX LO to UUT SENSE LO 1.120 DISP [32] 5520A GUARD (using shields) to UUT INPUT LO 1.121 HEAD 4-WIRE RESISTANCE 1.122 5520 0Z S 4W 1.123 IEEE F4 1.124 IEEE G2[I] 1.125 HEAD 4-WIRE RESISTANCE: [MEM] OHMS 1.126 5520 Z S 4W 1.127 IEEE [D1000]N[MEM1]P2C0 1.128 MATH MEM1 = 60 1.129 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.130 JMPT 1.134 1.131 OPBR Timed out waiting for cal step to complete. 1.131 OPBR Would you like to repeat the step? 1.132 JMPT 1.127 1.133 JMP 1.161 1.134 IEEE G4[I] 1.135 MATH MEM1 = MEM - 1002 1.136 JMPZ 1.124 1.137 5520 * S 1.138 HEAD 2-WIRE RESISTANCE 1.139 DISP Change the connections as follows: 1.139 DISP [32] 5520A NORMAL HI to UUT INPUT HI 1.139 DISP [32] 5520A NORMAL LO to UUT INPUT LO 1.139 DISP [32] 5520A AUX HI to UUT INPUT HI 1.139 DISP [32] 5520A AUX LO to UUT INPUT LO 1.139 DISP [32] 5520A GUARD (using shields) to UUT INPUT LO 1.140 IEEE C1F3 1.141 IEEE G2[I] 1.142 HEAD 2-WIRE RESISTANCE: [MEM] OHMS 1.143 MATH MEM1 = MEM - 11000 1.144 JMPF 1.147 1.145 5520 Z S 2W 1.146 JMP 1.148 1.147 5520 Z S CW 1.148 IEEE [D1000]N[MEM1]P2C0 1.149 MATH MEM1 = 60 1.150 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.151 JMPT 1.155 1.152 OPBR Timed out waiting for cal step to complete. 1.152 OPBR Would you like to repeat the step? 1.153 JMPT 1.148 1.154 JMP 1.161 1.155 IEEE G4[I] 1.156 MATH MEM1 = MEM - 1002 1.157 JMPZ 1.141 1.158 5520 * S 1.159 HEAD C A L I B R A T I O N C O M P L E T E 1.160 JMP 1.162 1.161 HEAD P R O C E D U R E A B O R T E D 1.162 DISP Take 8840A/8842A out of CAL MODE by pushing with a small 1.162 DISP screwdriver through the hole at the right side of the 1.162 DISP front panel. 1.163 IEEE * 1.164 END