Fluke Corporation MET/CAL Procedure ============================================================================= INSTRUMENT: Fluke 8840A: CAL ADJ IEEE /5700 INSTRUMENT: Fluke 8842A: CAL ADJ IEEE /5700 DATE: 03-Dec-96 AUTHOR: Fluke Corporation REVISION: $Revision: 2.3 $ ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 1 NUMBER OF LINES: 251 CONFIGURATION: Fluke 5700A ============================================================================= # # 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 4.0 or later # # Subprocedures: # None # # Required Files: # None # # System Specifications: # TUR calculation is based on specification interval of the accuracy file. # The default 5700A 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 5700A 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 MMFC C2 1.003 HEAD EQUIPMENT SETUP 1.004 DISP [32] WARNING 1.004 DISP HIGH VOLTAGE is used or exposed during the performance 1.004 DISP of this calibration. DEATH ON CONTACT may result if 1.004 DISP personnel fail to observe safety precautions. 1.005 DISP Plug in the UUT and turn it on. 1.005 DISP Warm-up time: 1 hour. 1.005 DISP Ambient temperature: 18C - 28C. 1.005 DISP Relative humidity: less than 70%. 1.005 DISP 1.005 DISP Connect the 884xA to IEEE-488 port 1 on the PC. 1.006 DISP [32] CAUTION 1.006 DISP To avoid uncalibrating the 8840A/8842A NEVER toggle 1.006 DISP the power on or off while the CAL ENABLE switch is on!!! # Reset 8840A/8842A. 1.007 IEEE *[D3000]X0T2 # Check for position FRONT/REAR switch. 1.008 IEEE G5[I] 1.009 MATH MEM1 = MEM - 1000 1.010 JMPZ 1.013 1.011 DISP Place the FRONT/REAR switch to the FRONT setting (out 1.011 DISP position). 1.012 JMP 1.008 # # 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. 1.013 IEEE F2 1.014 IEEE G7[I] 1.015 MATH M[1] = 1030 - MEM # # Check position CAL switch. 1.016 IEEE G4[I] 1.017 MATH MEM1 = MEM - 1000 1.018 JMPT 1.021 1.019 DISP Put 8840A/8842A in CAL MODE by pushing with a small 1.019 DISP screwdriver through the hole at the right side of the 1.019 DISP front panel. 1.020 JMP 1.016 # 1.021 DISP Connect the 5700A and the UUT as follows. 1.021 DISP [32] 5700A OUTPUT HI to UUT INPUT HI 1.021 DISP [32] 5700A OUTPUT LO to UUT INPUT LO 1.021 DISP [32] 5700A SENSE HI to UUT SENSE HI 1.021 DISP [32] 5700A SENSE LO to UUT SENSE LO 1.021 DISP [32] 5700A AUX CURRENT OUTPUT to UUT INPUT 2A 1.021 DISP [32] 5700A GUARD (using shields) to UUT INPUT LO 1.022 HEAD A/D CALIBRATION ADJUSTMENT # Select A/D Calibration. 1.023 IEEE C1 # Get calibration value. 1.024 IEEE G2[I] 1.025 5700 V S 2W # Tell 884xA to take readings, and compute and store calibration constants. 1.026 IEEE C0 # Set timeout to 30s. 1.027 MATH MEM1 = 30 1.028 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.029 JMPT 1.033 1.030 OPBR Timed out waiting for cal step to complete. 1.030 OPBR Would you like to repeat the step? 1.031 JMPT 1.026 1.032 JMP 1.161 1.033 IEEE G4[I] 1.034 MATH MEM1 = MEM - 1001 1.035 JMPZ 1.024 1.036 HEAD DC VOLTAGE OFFSET AND GAIN 1.037 IEEE C1F1 1.038 IEEE G2[I] 1.039 5700 V S 2W 1.040 IEEE C0 1.041 MATH MEM1 = 60 1.042 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.043 JMPT 1.047 1.044 OPBR Timed out waiting for cal step to complete. 1.044 OPBR Would you like to repeat the step? 1.045 JMPT 1.040 1.046 JMP 1.161 1.047 IEEE G4[I] 1.048 MATH MEM1 = MEM - 1002 1.049 JMPZ 1.038 1.050 5700 * S 1.051 MATH MEM1 = M[1] 1.052 JMPZ 1.072 1.053 HEAD AC VOLTAGE OFFSET AND GAIN 1.054 IEEE F2 1.055 IEEE G2[I] 1.056 MATH MEM1 = MEM - 0.022 1.057 JMPF 1.060 1.058 5700 V 1kH S 2W 1.059 JMP 1.061 1.060 5700 V 1kH O S 2W 1.061 IEEE C0 1.062 MATH MEM1 = 30 1.063 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.064 JMPT 1.068 1.065 OPBR Timed out waiting for cal step to complete. 1.065 OPBR Would you like to repeat the step? 1.066 JMPT 1.061 1.067 JMP 1.161 1.068 IEEE G4[I] 1.069 MATH MEM1 = MEM - 1002 1.070 JMPZ 1.055 1.071 5700 * S 1.072 HEAD DC CURRENT OFFSET AND GAIN 1.073 IEEE F5 1.074 IEEE G2[I] 1.075 MATH MEM1 = MEM 1.076 JMPZ 1.078 1.077 5700 A S 2W 1.078 IEEE C0 1.079 MATH MEM1 = 30 1.080 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.081 JMPT 1.085 1.082 OPBR Timed out waiting for cal step to complete. 1.082 OPBR Would you like to repeat the step? 1.083 JMPT 1.078 1.084 JMP 1.161 1.085 IEEE G4[I] 1.086 MATH MEM1 = MEM - 1002 1.087 JMPZ 1.074 1.088 5700 * S # Check AC option flag. 1.089 MATH MEM1 = M[1] 1.090 JMPZ 1.121 1.091 HEAD AC CURRENT OFFSET AND GAIN 1.092 IEEE F6 1.093 IEEE G2[I] 1.094 5700 A 1kH S 2W 1.095 IEEE C0 1.096 MATH MEM1 = 30 1.097 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.098 JMPT 1.102 1.099 OPBR Timed out waiting for cal step to complete. 1.099 OPBR Would you like to repeat the step? 1.100 JMPT 1.095 1.101 JMP 1.161 1.102 IEEE G4[I] 1.103 MATH MEM1 = MEM - 1002 1.104 JMPZ 1.093 1.105 5700 * S 1.106 HEAD HIGH FREQUENCY AC VOLTAGE 1.107 IEEE C2 1.108 IEEE G2[I] 1.109 5700 V 100kH S 2W 1.110 IEEE C0 1.111 MATH MEM1 = 30 1.112 CALL Sub Fluke 884xA Wait for Cal Step Complete 1.113 JMPT 1.117 1.114 OPBR Timed out waiting for cal step to complete. 1.114 OPBR Would you like to repeat the step? 1.115 JMPT 1.110 1.116 JMP 1.161 1.117 IEEE G4[I] 1.118 MATH MEM1 = MEM - 1004 1.119 JMPZ 1.108 1.120 5700 * S 1.121 HEAD 4-WIRE RESISTANCE 1.122 5700 0Z S 4W 1.123 IEEE F4 1.124 IEEE G2[I] 1.125 HEAD 4-WIRE RESISTANCE: [MEM] OHMS 1.126 5700 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 5700 * S 1.138 HEAD 2-WIRE RESISTANCE 1.139 DISP Change the connections as follows: 1.139 DISP [32] 5700A OUTPUT HI to UUT INPUT HI 1.139 DISP [32] 5700A OUTPUT LO to UUT INPUT LO 1.139 DISP [32] 5700A SENSE HI to UUT INPUT HI 1.139 DISP [32] 5700A SENSE LO to UUT INPUT LO 1.139 DISP [32] 5700A 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 5700 Z S 2W 1.146 JMP 1.148 1.147 5700 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 5700 * 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