Fluke MET/CAL Procedure ============================================================================= INSTRUMENT: Fluke 78: (1 year) CAL VER /5700,5725,8842,5191 DATE: 16-Sep-97 AUTHOR: Fluke Corporation REVISION: $Revision: 1.7 $ ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 42 NUMBER OF LINES: 231 CONFIGURATION: Fluke 5700A CONFIGURATION: Fluke 5725A CONFIGURATION: Fluke 8842A CONFIGURATION: Philips PM 5191 STANDARD: Fluke 80T-150U STANDARD: Precision Celsius Thermometer ============================================================================= # # Source: # Fluke 78 Service Manual (PN 926923, March 1993, Errata No. 2 9/94). # # 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 STD Fluke 80T-150U 1.002 STD Precision Celsius Thermometer 1.003 ASK- R N P J F W 1.004 ASK+ K 1.005 HEAD EQUIPMENT SETUP 1.006 DISP [32] WARNING 1.006 DISP HIGH VOLTAGE is used or exposed during the performance 1.006 DISP of this calibration. DEATH ON CONTACT may result if 1.006 DISP personnel fail to observe safety precautions. 1.007 DISP Allow the UUT to stablize to room temperature 1.007 DISP 23degC +/-5degC (73degF +/-9degF). 1.007 DISP 1.007 DISP Check the fuses and battery, and replace them if 1.007 DISP necessary. 1.008 HEAD {DISPLAY TEST} 1.009 DISP Rotate the UUT function switch from OFF to VAC. 1.009 DISP 1.009 DISP AS the UUT is turned ON, verify that all display 1.009 DISP segments momentarily light up. 1.010 EVAL Did the UUT display test pass? 2.001 HEAD {AC VOLTAGE TESTS} 2.002 DISP Connect the 5700A and the UUT as follows. 2.002 DISP [32] 5700A OUTPUT HI to UUT V Ohm DIODE 2.002 DISP [32] 5700A OUTPUT LO to UUT COM 2.002 DISP [32] 5700A SENSE HI to UUT V Ohm DIODE 2.002 DISP [32] 5700A SENSE LO to UUT COM 2.002 DISP [32] 5725A CURRENT OUTPUT HI to UUT 10A 2.002 DISP [32] 5725A CURRENT OUTPUT LO to UUT COM 2.003 HEAD AC VOLTAGE TESTS: {4V Range} 2.004 5700 0.0mV S 2W 2.005 MEMI Enter UUT reading in volts AC: 2.006 MEME 2.007 MEMC 4 mV +0.002U 3.001 5700 4 3.500V 0.090U 100H 2W 4.001 5700 4 3.500V 0.090U 1kH 2W 5.001 5700 4 3.000V 0.900U 20kH 2W 6.001 HEAD AC VOLTAGE TESTS: {40V Range} 6.002 5700 40 35.00V 0.90U 1kH 2W 7.001 HEAD AC VOLTAGE TESTS: {400V Range} 7.002 5700 400 350.0V 9.0U 1kH 2W 8.001 HEAD AC VOLTAGE TESTS: {500V Range} 8.002 5700 500 500V 15U 1kH 2W 9.001 HEAD {FREQUENCY TEST} 9.002 DISP Press the push button for 2s to select Hz. 9.003 HEAD FREQUENCY TEST 9.004 5700 20.00kH 0.02U 300mV 2W 10.001 HEAD {DC VOLTAGE TESTS} 10.002 DISP Rotate the UUT function switch to VDC. 10.003 DISP Press the push button 3 times to select AUTO 400mV Range 10.004 HEAD DC VOLTAGE TESTS: {400mV Range} 10.005 5700 400 0.0mV 0.5U 2W 11.001 HEAD DC VOLTAGE TESTS: {4000mV(4V) Range} 11.002 5700 4000 3500mV 12U 2W 12.001 MATH M[1] = MEM1 12.002 5700 4000 -3500mV 12U 2W 13.001 MATH M[2] = mem1 13.002 HEAD DC VOLTAGE TESTS: {4000mV Range, +/- reading difference} # RSS sys tol = sqrt(2 * (0.0215mV)^2) 13.003 ACC 0V 0.03U 13.004 MATH MEM = M[1] + M[2] 13.005 MEME 13.006 MEMC 4000 mV 2U 14.001 HEAD DC VOLTAGE TESTS: {40V Range} 14.002 5700 40 35.00V 0.12U 2W 15.001 HEAD DC VOLTAGE TESTS: {400V Range} 15.002 5700 400 350.0V 1.2U 2W 16.001 HEAD DC VOLTAGE TESTS: {500V Range} 16.002 5700 500 500V 3U 2W 17.001 HEAD {RESISTANCE TESTS} 17.002 DISP Rotate the UUT function switch to Ohms. 17.003 HEAD RESISTANCE TESTS: {400 Ohm Range} 17.004 5700 400 0Z +0.2U CW 18.001 5700 400 190.0Z 1.2U CW 19.001 HEAD RESISTANCE TESTS: {4 kOhm Range} 19.002 5700 4 1.900kZ 0.011U CW 20.001 HEAD RESISTANCE TESTS: {40 kOhm Range} 20.002 5700 40 19.00kZ 0.11U CW 21.001 HEAD RESISTANCE TESTS: {400 kOhm Range} 21.002 5700 400 190.0kZ 1.1U 2W 22.001 HEAD RESISTANCE TESTS: {4 MOhm Range} 22.002 5700 4 1.900MZ 0.011U 2W 23.001 HEAD RESISTANCE TESTS: {40 MOhm Range} 23.002 5700 40 19.00MZ 0.22U 2W 24.001 HEAD {DIODE TEST} 24.002 DISP Rotate the UUT function switch to degC degF. 24.002 DISP Press the push button for 2s to select Diode (VDC) 24.003 EVAL Is the {beeper off}? 25.001 EVAL Is UUT displaying the {overload indicator} (-.OL-)? 26.001 5700 2.000V 0.080U 2W 27.001 HEAD {DC CURRENT TESTS} 27.002 DISP Rotate the UUT function switch to Amps DC. 27.003 HEAD DC CURRENT TESTS: {4A Range} 27.004 5700 4 3.500A 0.040U B1 2W 28.001 HEAD DC CURRENT TESTS: {10A Range} 28.002 5700 10 10.00A 0.12U B1 2W 29.001 HEAD {AC CURRENT TESTS} 29.002 DISP Press the push button for 2s to select AC. 29.003 HEAD AC CURRENT TESTS: {10A Range} 29.004 5700 10 10.00A 0.27U 1kH B1 2W 30.001 HEAD {TEMPERATURE TESTS} 30.002 DISP Rotate the UUT function switch to degC degF. 30.003 HEAD TEMPERATURE TESTS: {UUT Internal} 30.004 5700 0V S 2W 30.005 MESS Does the display show a {steady reading} of the meter's 30.006 EVAL internal temperature? 31.001 MESS Is the {display flashing} the same temperature reading 31.002 EVAL at a rate of about once every 1.3 seconds? 32.001 MESS 32.002 DISP Remove all connections. 32.003 HEAD TEMPERATURE TESTS: {Ambient} 32.004 DISP Place the precision thermometer in the lag bath. 32.005 DISP Connect the 80T-150U to the 8842A and turn on the 32.005 DISP 80T-150U to degC. 32.006 DISP Immerse the probe of the 80T-150U to the same depth as 32.006 DISP the thermometer and allow the system to stabilize. 32.007 8842 20.000mV N 2W 32.008 MATH M[1] = MEM 32.009 MEMI Enter thermometer reading in degrees Celsius: # Calculate correction factor. 32.010 MATH M[1] = M[1] - MEM 32.011 DISP Remove the 80T-150U probe from the lag bath and insert 32.011 DISP it into the 78 COM input, down to the bottom. 32.011 DISP 32.011 DISP Allow the readings to settle. 32.012 8842 20.000mV N 2W # Correct 80T-150U/8842A reading. 32.013 MATH MEM1 = MEM - M[1] # This system tolerance must be modified to reflect the actual system accuracy 32.014 ACC 20.000degC 3U 32.015 MEMI Enter UUT reading in degrees Celsius: 32.016 MEME 32.017 MEMC degC 3U 33.001 DISP Remove all connections. 33.002 HEAD {CONTINUITY TEST} 33.003 DISP Rotate the UUT function switch to Ohms. 33.003 DISP Press the push button for 2s to select Continuity. 33.004 EVAL Is UUT displaying the {overload indicator} (-.OL-)? 34.001 EVAL Is the {beeper off}? 35.001 DISP Connect 30 Ohms between the V Ohm Diode & COM terminals. 35.002 EVAL Is the {beeper on}? 36.001 DISP Remove all connections. 36.002 ASK- U 36.003 HEAD {RPM TEST} 36.004 DISP Rotate the UUT function switch to RPM. 36.005 DISP Connect the PM5191 and UUT as follows: 36.005 DISP [32] PM 5191 Output to UUT RPM+ & 10A 36.005 DISP [32] using a BNC to Dual Banana adapter. 36.006 HEAD RPM TEST: {4V Range} 36.007 5191 1.7V -D S 36.008 5191 2Vpp 10H -D SQ S # This ACC statement forces "rpm" instead of "Vpp" as units in the results. 36.009 ACC 1200rpm TOL 36.010 MEMI Enter UUT reading in rpm: 36.011 MEME 36.012 MEMC rpm 4U 37.001 5191 3.8V -D S 37.002 5191 2Vpp 10H -D SQ S 37.003 EVAL Is UUT {displaying 0000}? 38.001 HEAD RPM TEST: {40V Range} 38.002 DISP Press the push button to select the 40V Range. 38.003 5191 3.8V -D S 38.004 5191 2Vpp 10H -D SQ S # This ACC statement forces "rpm" instead of "Vpp" as units in the results. 38.005 ACC 1200rpm TOL 38.006 MEMI Enter UUT reading in rpm: 38.007 MEME 38.008 MEMC rpm 4U 39.001 5191 1.7V -D S 39.002 5191 2Vpp 10H -D SQ S 39.003 EVAL Is UUT {displaying 0000}? 40.001 HEAD {DWELL TEST} 40.002 DISP Rotate the UUT function switch to Dwell. 40.003 DISP Connect the PM5191 and UUT as follows: 40.003 DISP [32] PM 5191 Output to UUT V Ohm Diode & COM 40.003 DISP [32] using a BNC to Dual Banana adapter. 40.004 5191 4.00V -D S 40.005 5191 8.00Vpp 100H -D TI S # This ACC statement forces "deg" instead of "Vpp" as units in the results. 40.006 ACC 52deg TOL 40.007 MEMI Enter UUT dwell reading (ex. XX in 4-XX): 40.008 MEME 40.009 MEMC deg 19U 41.001 ASK+ U 41.002 HEAD {DUTY CYCLE TEST} 41.003 DISP Press the push button for 2s to select %. 41.004 5191 1.70V -D S 41.005 5191 3.40Vpp 100H -D TI S 41.006 ACC 50pct 0.2% 41.007 MEMI Enter UUT reading in percent: 41.008 MEME 41.009 MEMC pct 14U 42.001 END