User Contributed MET/CAL PROCEDURE ============================================================================= INSTRUMENT: Keithley 2001 Calibrate DATE: 01-Apr-93 AUTHOR: User Contributed REVISION: A ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 1 NUMBER OF LINES: 191 CONFIGURATION: Fluke 5700A ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK- R W 1.002 HEAD Keithley Model 2001 User Calibration Procedure 1.003 DISP This procedure calibrates the Keithley Model 2001 DMM. 1.003 DISP Throughout this procedure, "UUT" will be used to refer 1.003 DISP to the Keithley Model 2001, and "5700" will refer to the 1.003 DISP Fluke 5700 calibrator. 1.003 DISP # Make sure UUT wasn't powered up with Cal Lock switch held in. 1.004 IEEE :CAL:PROT:LLEV:SWIT? 1.005 IEEE [D500][I] 1.006 MEME 1.007 JMPZ 1.011 1.008 MEM2 =[27][91]1m[27][91]5mDO NOT[27][91]m 1.009 DISP Power cycle the UUT and allow it to power-up normally. 1.009 DISP [MEM2] hold in the CAL LOCK switch. 1.009 DISP Select ADV when UUT finishes powering-up. 1.010 JMP 1.004 1.011 IEEE :CAL:PROT:SWIT?[I] 1.012 MEME 1.013 JMPT 1.020 1.014 HEAD [27][91]5mPress the CAL LOCK switch now. 1.015 IEEE :CAL:PROT:SWIT?[I] 1.016 IEEE [GTL][D1000] 1.017 MEME 1.018 JMPZ 1.015 1.019 HEAD # Turn off the UUT's Trigger Model so OPC will be set. 1.020 IEEE :INIT:CONT OFF 1.021 IEEE :ABOR # Check for any errors in the error queue at power-up. Abort calibration if # any error is present except -314 or 510 thru 515. 1.022 IEEE :SYST:ERR? 1.023 IEEE [D1000][I] 1.024 MATH MEM1=MEM 1.025 JMPZ 1.035 1.026 MATH MEM1=MEM+314 1.027 JMPZ 1.022 1.028 MATH MEM1=MEM-510 1.029 JMPF 1.033 1.030 MATH MEM1=MEM-515 1.031 JMPT 1.033 1.032 JMP 1.022 1.033 DISP [7]Error [MEM] Detected in UUT's Error Queue at 1.033 DISP power-up. Calibration will ABORT. 1.034 JMP # Start-up Instructions 1.035 HEAD UUT Calibration Setup 1.036 DISP [7]Install the Keithley Model 8610 Low Thermal Short in 1.036 DISP the UUT's front inputs and wait for at least 3 minutes 1.036 DISP for thermal equilibrium to be achieved. 1.036 DISP 1.036 DISP Also make sure the FRONT inputs are selected on the UUT. # Make sure the UUT's FRONT inputs are selected 1.037 IEEE :SYST:FRSW?[D500][I] 1.038 MEME 1.039 JMPT 1.042 1.040 HEAD [27][91]5mPlease select the FRONT inputs on the UUT. 1.041 JMP 1.037 # Start User DC calibration 1.042 HEAD User DC Cal: Zero Step 1.043 IEEE *ESE 1 1.044 IEEE *ESR?[D1000][I] 1.044 IEEE :CAL:PROT:DC:ZERO;*OPC 1.045 MEME 2 1.046 CALL Utilities 1.047 HEAD User DC Cal: 2 Volt DC Step 1.048 DISP [7]Remove the shorting plug. Connect the UUT's front 1.048 DISP inputs to the 5700 calibrator using "CABLE1". 1.049 5700 2V S 2W 1.050 IEEE *ESE 1 1.051 IEEE *ESR?[D10000][I] 1.052 IEEE :CAL:PROT:DC:LOW 2.0;*OPC 1.053 MEME 2 1.054 CALL Utilities 1.055 HEAD User DC Cal: 20 Volt DC Step 1.056 5700 20V S 2W 1.057 IEEE [D1000] 1.058 IEEE *ESE 1 1.059 IEEE *ESR?[D1000][I] 1.060 IEEE :CAL:PROT:DC:HIGH 20.0;*OPC 1.061 MEME 2 1.062 CALL Utilities 1.063 HEAD User DC Cal: 20kę Step 1.064 5700 19000Z S 4W 1.065 IEEE [D1000] 1.066 IEEE *ESE 1 1.067 IEEE *ESR?[D1000][I] 1.068 IEEE :CAL:PROT:DC:LOHM [MEM1];*OPC 1.069 MEME 2 1.070 CALL Utilities 1.071 HEAD [27][91]1m[27][91]5m****** User DC Cal: 1Mę Step ****** 1.072 5700 1e6Z S 2W 1.073 IEEE [D1000] 1.074 IEEE *ESE 1 1.075 IEEE *ESR?[D1000][I] 1.076 IEEE :CAL:PROT:DC:HOHM [MEM1];*OPC 1.077 MEME 2 1.078 CALL Utilities 1.079 HEAD User DC Cal: Open Circuit Step 1.080 5700 * S 1.081 DISP [7]Remove ALL cables from the UUT inputs. 1.082 IEEE *ESE 1 1.083 IEEE *ESR?[D1000][I] 1.084 IEEE :CAL:PROT:DC:OPEN;*OPC 1.085 MEME 2 1.086 CALL Utilities # Calculate calibration constants 1.087 HEAD Calculating DC calibration constants... 1.088 IEEE [D1000] 1.089 IEEE *ESE 1 1.090 IEEE *ESR?[D1000][I] 1.091 IEEE :CAL:PROT:DC:CALC;*OPC 1.092 MEME 2 1.093 CALL Utilities # Check for calibration errors 1.094 IEEE :SYST:ERR? 1.095 IEEE [D1000][I] 1.096 MEME 1.097 JMPZ 1.102 1.098 OPBR Calibration Error [MEM1] Detected in User DC Cal. 1.098 OPBR You must re-cal or abort. 1.098 OPBR 1.098 OPBR [7]Do you want to re-calibrate? 1.099 JMPT 1.001 1.100 DISP [7]Calibration terminated by operator 1.100 DISP due to calibration error(s). 1.101 JMP 1.123 # Perform User AC calibration 1.102 HEAD Performing User AC calibration... 1.103 IEEE [D1000] 1.104 IEEE *ESE 1 1.105 IEEE *ESR?[D1000][I] 1.106 IEEE :CAL:UNPR:ACC;*OPC 1.107 MEME 2 1.108 CALL Utilities # Check for calibration errors 1.109 IEEE :SYST:ERR? 1.110 IEEE [D1000][I] 1.111 MEME 1.112 JMPZ 1.118 1.113 OPBR Calibration Error [MEM1] Detected in User AC Cal. 1.113 OPBR You must re-cal or abort. 1.113 OPBR 1.113 OPBR [7]Do you want to re-calibrate? 1.114 JMPT 1.001 1.115 DISP [7]Calibration terminated by operator 1.115 DISP due to calibration error(s). 1.116 JMP 1.123 # Write today's date and cal due date to UUT and save everything in EEPROM 1.117 HEAD [7] Get Calibration Dates 1.118 MEM2 Enter today's date in MM/DD/YY format: 1.119 IEEE [D1000]:CAL:PROT:DATE "[MEM2]" 1.120 MEM2 Enter the calibration due date (1 year from today): 1.121 IEEE [D1000]:CAL:PROT:NDUE "[MEM2]" 1.122 IEEE [D1000]:CAL:PROT:SAVE # Lock calibration 1.123 IEEE [D1000]:CAL:PROT:LOCK 1.124 IEEE :INIT:CONT ON 1.125 END