User Contributed MET/CAL PROCEDURE ============================================================================== INSTRUMENT: Data-Precision 2440: Digital Multimeter. DATE: 22-Apr-87 AUTHOR: User Contributed REVISION: 0.1 ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 23 NUMBER OF LINES: 155 CONFIGURATION: Fluke 5440B Fluke 5450A CONFIGURATION: 15A ============================================================================== STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK- J 1.002 DRAW 7 78 8 78 75 5 50 60 1.003 OPBR Has the unit warmed up for an hour yet. 1.004 JMPT 1.009 1.005 DISP Plug it in. 1.006 SET POWER: On(In) [DRAW0,70,F] 1.007 DISP Let it warm up for an hour, then restart this procedure. 1.008 JMP 1.009 HEAD {DC Calibration.} 1.010 DISP Remove the top cover to get access to the calibration 1.010 DISP adjustments. 1.011 SET MODE: DC [DRAW75,70,F] 1.012 SET RATIO: Off (Out) [DRAW50,25,B] 1.013 DISP Remove any shorting bars connecting the Vx & Rx posts. 1.013 DISP [DRAW50,85,F] 1.013 DISP Leave the shorting bar between GUARD & Vx LO in place. 1.014 DISP Connect a 10M[24] resistor across the Vx posts. 1.014 DISP [DRAW50,90,F] 1.015 SET RANGE: 10 [DRAW25,20,F] 1.016 EVAL {Is the display + or - 00.000?} 1.017 DISP Adjust R 45 to zero the meter. [DRAW56,76,T] 2.001 DISP Connect a shorting bar across the Vx posts in place of 2.001 DISP the 10M[24] resistor. [DRAW50,95,F] 2.002 EVAL {Is the display + or - 00.000?} 2.003 DISP Adjust R 46 to zero the meter. [DRAW67,76,T] 2.004 JMP 1.014 3.001 DISP Remove the shorting bar across the Vx posts. 3.001 DISP [DRAW50,90,F] 3.002 SET RANGE: 1 [DRAW25,15,F] 3.003 DISP Remove the shorting bar between the GUARD & Vx LO posts. 3.003 DISP 3.003 DISP Connect GUARD to DV CALIBRATOR GUARD. [DRAW0,95,F] 3.004 5440 1V S 2W 3.005 MEMI {Insert the meter reading.} 3.006 MEME >3 3.007 5440 -1V S 2W 3.008 MEMI {Insert the meter reading.} 3.009 MEM* -1 3.010 MEME 3.011 MEME <3 3.012 MEMC V 0.0001U 3.013 MEM+ 3.014 MEM/ 2 3.015 MEM* -1 3.016 5440 -1V S 2W 3.017 DISP Adjust R83 for [MEM] Volts. [DRAW44,76,T] 3.018 JMP 3.004 4.001 5440 1 1V .0001U .007% 2W 4.002 5440 1V S 2W 4.003 DISP Adjust R87 for a reading of 1.0000 Volts. [DRAW78,76,T] 5.001 5440 10 10V .001U .007% 2W 5.002 5440 10V S 2W 5.003 DISP Adjust R51 for 10.000 Volts display. [DRAW67,76,T] 6.001 5440 100 100V .01U .007% 2W 6.002 5440 100V S 2W 6.003 DISP Adjust R43 for 100.00 Volts display. [DRAW67,76,T] 7.001 5440 1000 1000V .1U .007% 2W 8.001 HEAD {Resistance Calibration.} 8.002 SET MODE: kOhm [DRAW25,70,F] 8.003 DISP Connect meter GUARD to Rx LO. [DRAW0,90,F] 8.003 DISP 8.003 DISP Remove any GUARD connection to the TEST INTERFACE PANEL. 8.004 5450 1 1KZ .0001U .007% 4W 8.005 5450 1KZ S 4W 8.006 DISP Adjust R30 for a reading of [MEM1]. [DRAW67,65,T] 9.001 5450 10 10KZ .001U .007% 4W 9.002 5450 10KZ S 4W 9.003 DISP Adjust R32 for a display of [MEM1]. [DRAW67,65,T] 10.001 5450 100 100KZ .01U .007% 4W 10.002 5450 100KZ S 4W 10.003 DISP Adjust R34 for a display of [MEM1]. [DRAW67,65,T] 11.001 5450 1000 1000KZ .1U .02% 4W 11.002 5450 1MZ S 4W 11.003 DISP Adjust R38 for a display of [MEM1]. [DRAW78,65,T] 11.003 DISP Noise may mask last digit's significance. 12.001 5450 10000 10000KZ 1U .25% 4W 12.002 5450 10000KZ S 4W 12.003 DISP Adjust R36 for a display of [MEM1]. [DRAW78,65,T] 12.003 DISP Noise may mask the last digit's significance. 13.001 HEAD {AC Calibration.} 13.002 DISP Move meter GUARD connection from Rx LO to Vx LO. 13.002 DISP [DRAW25,90,F] 13.003 SET MODE: AC [DRAW50,70,F] 13.004 SET RANGE: 100 [DRAW25,30,F] 13.005 DISP Connect a shorting bar across the Vx posts.[DRAW50,90,F] 13.006 EVAL {Is the display 000.00?} 13.007 DISP Adjust R59 for a display of 000.00. [DRAW44,76,T] 14.001 DISP Remove the shorting bar at the Vx posts. [DRAW50,90,F] 14.002 5200 1 1V .02/ .05% 100H 2W 14.003 5200 1V 100H S 2W 14.004 DISP Adjust R69 for a reading of 1 Volt +/- .0005V. 14.004 DISP [DRAW56,76,T] 15.001 5200 10 10V .02/ .05% 100H 2W 15.002 5200 10V 100H S 2W 15.003 DISP Adjust R73 for a display of 10 Volts +/- .005V. 15.003 DISP [DRAW56,76,T] 16.001 5200 100 100V .02/ .05% 100H 2W 16.002 5200 100V 100H S 2W 16.003 DISP Adjust R75 for a display of 100 Volts +/- .05V. 16.003 DISP [DRAW56,76,T] 17.001 5200 1000 500V .02/ .05% 100H 2W 17.002 5200 500V 100H S 2W 17.003 DISP Adjust R78 for a display of 500 Volts +/- .25V. 17.003 DISP [DRAW56,65,T] 18.001 5200 1000 200V .04/ .75% 50KH 2W 18.002 5200 200V 50KH S 2W 18.003 DISP Adjust C9 for a display of 200 Volts +/- 1.5V. 18.003 DISP [DRAW44,65,T] 19.001 5200 100 100V .04/ .75% 50KH 2W 19.002 5200 100V 50KH S 2W 19.003 DISP Adjust C30 for a display of 100 Volts +/- .75V. 19.003 DISP [DRAW56,65,T] 20.001 5200 10 10V .04/ .75% 50KH 2W 20.002 5200 10V 50KH S 2W 20.003 DISP Adjust C28 for a display of 10 Volts +/- .075V. 20.003 DISP [DRAW56,65,T] 21.001 5200 1 1V .04/ .75% 50KH 2W 21.002 5200 1V 50KH S 2W 21.003 DISP Adjust C27 for a meter reading of 1 Volt +/- .0075V. 21.003 DISP [DRAW56,65,T] 22.001 HEAD {Ratio Calibration.} 22.002 SET MODE: DC [DRAW75,70,F] 22.003 SET RATIO: On(In) [DRAW50,25,B] 22.004 DISP Jumper the Vx posts to the corresponding Rx posts with 22.004 DISP the shorting bars removed earlier. [DRAW50,85,F] 22.005 SET RANGE: 10 [DRAW25,25,F] 22.006 5440 10V S 2W 22.007 MEMI {Enter meter reading.} 22.008 MEMC 10 10V 0.001U 0.009% 22.009 5440 10V S 2W 22.010 DISP Adjust R86 for a reading of +10.0000. [DRAW56,76,T] 23.001 SET RATIO: Off(Out) [DRAW50,25,B] 23.002 SET POWER: Off [DRAW0,80,F]END