User Contributed MET/CAL PROCEDURE ============================================================================= INSTRUMENT: Sub Keithley 196 DC/AC Amps (90 day) CAL VER IEEE DATE: 13-Sep-93 AUTHOR: User Contributed REVISION: 1.0 ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 21 NUMBER OF LINES: 176 CONFIGURATION: Fluke 5700A CONFIGURATION: Fluke 5725A ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON # This procedure is based on the verification procedure in the Instruction # manual for the Keithley Model 196 DMM dated JANUARY 1988. 1.001 ASK- R N P F W 1.002 ASK+ Q 1.003 HEAD {DC CURRENT PERFORMANCE VERIFICATION} 1.004 DISP REMOVE ALL LEADS FROM UUT AND THE 5700A. 1.004 DISP 1.004 DISP CONNECT THE 5700A CALIBRATOR HI AND LO OUTPUT TO 1.004 DISP THE UUT AMPS AND LO. 1.005 MMFC C1 1.006 IEEE F3R1S2X 1.007 5700 300uA S 2W 1.008 IEEE [I][I] 1.009 MATH MEM = MEM * 1000000 1.010 MEME 1.011 MEMC 300 uA 0.290U 2.001 IEEE F3R2S2X 2.002 5700 3mA S 2W 2.003 IEEE [I][I] 2.004 MATH MEM = MEM * 1000 2.005 MEME 2.006 MEMC 3 mA 0.00160U 3.001 IEEE F3R3S2X 3.002 5700 30mA S 2W 3.003 IEEE [I][I] 3.004 MATH MEM = MEM * 1000 3.005 MEME 3.006 MEMC 30 mA 0.0160U 4.001 IEEE F3R4S2X 4.002 5700 300mA S 2W 4.003 IEEE [I][I] 4.004 MATH MEM = MEM * 1000 4.005 MEME 4.006 MEMC 300 mA 0.156U # T.U.R. WAS 3.0 USED GUARDBAND TO THE TEST LIMIT OF .975 # MAKES T.U.R. 2.89 GIVES A TEST LIMIT OF 0.156U WAS 0.160U FOR A 4:1 RATIO. 5.001 DISP MOVE THE HI AND LO LEADS THAT ARE ON THE 5700A 5.001 DISP CALIBRATOR TO THE HI AND LO CURRENT OUTPUT 5.001 DISP TERMINALS OF THE 5725A AMPLIFIER. 5.002 IEEE F3R5S2X 5.003 5700 3000mA B1 S 2W 5.004 IEEE [I][I] 5.005 MATH MEM = MEM * 1000 5.006 MEME 5.007 MEMC 3000 mA 2.604U # T.U.R. WAS 1.9 USED GUARDBAND TO THE TEST LIMIT OF .930 # MAKES T.U.R. 1.74 GIVES A TEST LIMIT OF 2.604U WAS 2.8U FOR A 4:1 RATIO. 6.001 HEAD {AC CURRENT PERFORMANCE VERIFICATION} 6.002 MMFC C1 6.003 DISP MOVE THE LEADS FROM 5725A BACK TO 5700A HI AND LO 6.003 DISP TERMINALS 6.004 IEEE F4R1S2X 6.005 ASK- Q 6.006 5700 290uA 20H S 2W 6.007 IEEE [I][I] 6.008 MATH MEM = MEM * 1000000 6.009 MEME 6.010 MEMC 300 uA 5.9U 20H 7.001 5700 290uA 45H S 2W 7.002 IEEE [I][I] 7.003 MATH MEM = MEM * 1000000 7.004 MEME 7.005 MEMC 300 uA 2.71U 45H 8.001 ASK+ Q 8.002 5700 290uA 10kH S 2W 8.003 IEEE [I][I] 8.004 MATH MEM = MEM * 1000000 8.005 MEME 8.006 MEMC 300 uA 2.5203U 10kH # T.U.R. WAS 1.9 USED GUARDBAND TO THE TEST LIMIT OF .930 # MAKES T.U.R. 1.72 GIVES A TEST LIMIT OF 2.5203U WAS 2.71U FOR A 4:1 RATIO. 9.001 IEEE F4R2S2X 9.002 ASK- Q 9.003 5700 2.9mA 20H S 2W 9.004 IEEE [I][I] 9.005 MATH MEM = MEM * 1000 9.006 MEME 9.007 MEMC 3 mA 0.059U 20H 10.001 5700 2.9mA 45H S 2W 10.002 IEEE [I][I] 10.003 MATH MEM = MEM * 1000 10.004 MEME 10.005 MEMC 3 mA 0.0184U 45H 11.001 ASK+ Q 11.002 5700 2.9mA 10kH S 2W 11.003 IEEE [I][I] 11.004 MATH MEM = MEM * 1000 11.005 MEME 11.006 MEMC 3 mA 0.0161U 10kH # T.U.R. WAS 1.3 USED GUARDBAND TO THE TEST LIMIT OF .875 # MAKES T.U.R. 1.10 GIVES A TEST LIMIT OF 0.0161U WAS 0.0184U FOR A 4:1 RATIO. 12.001 IEEE F4R3S2X 12.002 ASK- Q 12.003 5700 29mA 20H S 2W 12.004 IEEE [I][I] 12.005 MATH MEM = MEM * 1000 12.006 MEME 12.007 MEMC 30 mA 0.59U 20H 13.001 5700 29mA 45H S 2W 13.002 IEEE [I][I] 13.003 MATH MEM = MEM * 1000 13.004 MEME 13.005 MEMC 30 mA 0.184U 45H 14.001 ASK+ Q 14.002 5700 29mA 10kH S 2W 14.003 IEEE [I][I] 14.004 MATH MEM = MEM * 1000 14.005 MEME 14.006 MEMC 30 mA 0.161U 10kH # T.U.R. WAS 1.3 USED GUARDBAND TO THE TEST LIMIT OF .875 # MAKES T.U.R. 1.10 GIVES A TEST LIMIT OF 0.161U WAS 0.184U FOR A 4:1 RATIO. 15.001 IEEE F4R4S2X 15.002 ASK- Q # DEVIATION OF SPECIFIED CURRENT CALCULATED PER MFG SPEC NEW CURRENT SETTING. # METER CALIBRATOR WOULD NOT SUPPLY 290 mA 20 Hz. 15.003 5700 210mA 20H S 2W 15.004 IEEE [I][I] 15.005 MATH MEM = MEM * 1000 15.006 MEME 15.007 MEMC 300 mA 4.3U 20H # END OF THIS DEVIATION. 16.001 5700 290mA 45H S 2W 16.002 IEEE [I][I] 16.003 MATH MEM = MEM * 1000 16.004 MEME 16.005 MEMC 300 mA 1.84U 45H 17.001 ASK+ Q 17.002 5700 290mA 10kH S 2W 17.003 IEEE [I][I] 17.004 MATH MEM = MEM * 1000 17.005 MEME 17.006 MEMC 300 mA 1.472U 10kH # T.U.R. WAS 0.52 USED GUARDBAND TO THE TEST LIMIT OF .8 ( BY ESTIMATE ) # MAKES T.U.R. 1.72 GIVES A TEST LIMIT OF 1.472U WAS 1.84U FOR A 4:1 RATIO. 18.001 DISP AGAIN MOVE THE HI AND LO OUTPUT LEADS FROM THE 18.001 DISP 5700A CALIBRATOR TO THE HI AND LO OUTPUT TERMINALS 18.001 DISP OF THE 5725A AMPLIFIER. 18.002 IEEE F4R5S2X 18.003 ASK- Q 18.004 5700 2900mA 40H B1 S 2W 18.005 IEEE [I][I] 18.006 MATH MEM = MEM * 1000 18.007 MEME 18.008 MEMC 3000 mA 59U 40H 19.001 ASK+ Q 19.002 5700 2900mA 45H B1 S 2W 19.003 IEEE [I][I] 19.004 MATH MEM = MEM * 1000 19.005 MEME 19.006 MEMC 3000 mA 18.4U 45H 20.001 ASK+ Q 20.002 5700 2900mA 10kH B1 S 2W 20.003 IEEE [I][I] 20.004 MATH MEM = MEM * 1000 20.005 MEME 20.006 MEMC 3000 mA 16.928U 10kH # T.U.R. WAS 1.8 USED GUARDBAND TO THE TEST LIMIT OF .92 # MAKES T.U.R. 1.64 GIVES A TEST LIMIT OF 16.928U WAS 18.4U FOR A 4:1 RATIO. 21.001 5700 * S 21.002 IEEE J0 # DEVIATIONS FROM PERFORMANCE VERIFICATION DUE TO CALIBRATOR SPECS AND T.U.R. # NOTIFICATION IS MADE AT THE END OF THE TEST. 21.003 END