User Contributed MET/CAL PROCEDURE ============================================================================= INSTRUMENT: HP 6112A:DC Power Supply DATE: 10-Sep-97 AUTHOR: User Contributed REVISION: 0 ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 10 NUMBER OF LINES: 146 CONFIGURATION: HP 34401A STANDARD: DTB Metered Variac STANDARD: Transistor Devices DLP 50 STANDARD: EPC HS 5-500 ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK+ X 1.002 ASK- P F 1.003 IEEE [@34401]*RST 1.004 HEAD INITIAL CONDITIONS 1.005 DISP The following test equipment is required: 1.005 DISP 1. Metered vaiac DTB # 2-172 1.005 DISP 2. Transistor Devices DLP 50-150-3000A 1.005 DISP 3. EPC HS 5-500 5 Amp Shunt DTB # 14-107 1.006 DISP Set the UUT front panel controls as follows: 1.006 DISP LINE ON/OFF ........................................ OFF 1.006 DISP VOLTAGE switches .............................. all zero 1.006 DISP CURRENT ...................................... fully CCW 1.006 DISP METER sw. .......................................... 50V 1.007 DISP All UUT connections are made at the rear terminal strip. 1.007 DISP Connect the UUT as follows: 1.007 DISP +S ..................................... 34401A Input HI 1.007 DISP -S ..................................... 34401A Input Lo 1.007 DISP OUTPUT + .................... 5 amp shunt right terminal 1.007 DISP OUTPUT - ................................ DLP 50 - Input 1.007 DISP 5 amp shunt left terminal ............... DLP 50 + Input 1.008 DISP Connect UUT AC line cord to Metered Variac. 1.009 DISP Set the DLP 50 front panel controls as follows: 1.009 DISP VOLTS RANGE ........................................ 60V 1.009 DISP AMPS RANGE ......................................... 18A 1.009 DISP MODE ............................................. 0-30A 1.009 DISP DC switch .......................................... OFF 1.009 DISP LOAD ADJUST COARSE/FINE ...................... fully ccw 1.009 DISP AC ON ............................................... ON 1.010 DISP Set the variac to 115 VAC. 1.011 DISP Set the UUT POWER switch to the ON position. 1.012 HEAD {* METER ACCURACY TEST *} 1.013 STD DTB Metered Variac 1.014 STD Transistor Devices DLP 50 1.015 STD EPC HS 5-500 1.016 JMP 2.001 1.017 EVAL 2.001 DISP Set the UUT front panel controls as follows: 2.001 DISP CURRENT ....................................... fully CW 2.002 IEEE [@34401]FUNC "VOLT:DC" 2.003 IEEE [@34401]VOLT:DC:RANG:AUTO ON 2.004 DISP Set UUT VOLTAGE controls for a UUT reading of exactly 2.004 DISP 40 Volts. 2.005 IEEE [@34401] [D3000]READ?[I] 2.006 ACC 100 40.000V 10P% 0.2P/ 2.007 MEME 2.008 MEMC V 2% 0.000U #! Test Tol 0.8, Sys Tol 0.00042, TUR 1904.762 (>= 4.00). 3.001 DISP Connect the 34401A rear Hi/Lo Input across the shunt 3.001 DISP as follows: 3.001 DISP 34401A Rear Input HI ....... RIGHT SHUNT METER TERMINAL 3.001 DISP 34401A Rear INPUT LO ....... LEFT SHUNT METER TERMINAL 3.002 IEEE [@34401]FUNC "VOLT:DC" 3.003 IEEE [@34401]VOLT:DC:RANG:AUTO ON 3.004 DISP Depress the 33401A front panel Terminals button. 3.005 MEMI Use keyboard to enter actual shunt value in ohms: 3.006 MATH M[1] = MEM 3.007 DISP Set the UUT front panel controls as follows: 3.007 DISP VOLTAGE switches ............................... 39.9910 3.007 DISP METER sw. .......................................... .6A 3.008 DISP Set the DLP 50 front panel controls as follows: 3.008 DISP DC switch ........................................... ON 3.009 DISP Adjust DLP 50 COARSE and FINE LOAD ADJUST controls 3.009 DISP for a UUT reading of exactly 0.5 amps. 3.010 IEEE [@34401] [D3000]READ?[I] 3.011 MATH MEM = MEM / M[1] 3.012 ACC .500A 0.100% 3.013 MEME 3.014 MEMC 1 A 2% 0.00U #! Test Tol 0.01, Sys Tol 0.0005, TUR 20.000 (>= 4.00). 4.001 HEAD {* LOAD REGULATION TEST *} 4.002 JMP 5.002 4.003 EVAL 5.001 DISP Set the DLP 50 front panel controls as follows: 5.001 DISP DC switch ........................................... ON 5.002 DISP Release the 34401A Terminals button to select Front. 5.003 IEEE [@34401]FUNC "VOLT:DC" 5.004 IEEE [@34401]VOLT:DC:RANG:AUTO ON 5.005 DISP Adjust variac for an reading of 115VAC. 5.006 IEEE [@34401] [D3000]READ?[I] 5.007 MEME 5.008 IEEE [D2000] 5.009 DISP Set the DLP 50 front panel controls as follows: 5.009 DISP DC switch .......................................... OFF 5.010 IEEE [@34401] [D3000]READ?[I] 5.011 MATH MEM = (MEM - MEM1) * 1000 5.012 ACC 100 0.000mV 7P% 0.5P/ 5.013 MEME 5.014 MEMC mV 0.750U FULL_to_NO #! Test Tol 0.75, Sys Tol 5e-005, TUR 15000.000 (>= 4.00). 6.001 HEAD {* LINE REGULATION TEST *} 6.002 JMP 7.001 6.003 EVAL 7.001 DISP Set the DLP 50 front panel controls as follows: 7.001 DISP DC switch ........................................... ON 7.002 IEEE [@34401]FUNC "VOLT:DC" 7.003 IEEE [@34401]VOLT:DC:RANG:AUTO ON 7.004 DISP Set the variac to 105 VAC. 7.005 IEEE [@34401] [D3000]READ?[I] 7.006 MEME 7.007 DISP Set the variac to 125 VAC. 7.008 IEEE [@34401] [D3000]READ?[I] 7.009 MATH MEM = (MEM - MEM1) * 1000 7.010 ACC 100 0.000mV 7P% 0.5P/ 7.011 MEME 7.012 MEMC mV 0.400U 105_to_125VAC #! Test Tol 0.4, Sys Tol 5e-005, TUR 8000.000 (>= 4.00). 8.001 HEAD {* RIPPLE AND NOISE TEST *} 8.002 JMP 9.001 8.003 EVAL 9.001 IEEE [@34401]FUNC "VOLT:AC" 9.002 DISP Set the variac to 115 VAC. 9.003 IEEE [@34401][D500]READ?[I] 9.004 MEM* 1000 9.005 ACC 100 0.000mV 700P% 100P/ 9.006 MEME 9.007 MEMC mVRMS 1.00U #! Test Tol 1, Sys Tol 0.01, TUR 100.000 (>= 4.00). 10.001 DISP Set the DLP 50 front panel controls as follows: 10.001 DISP DC switch .......................................... OFF 10.001 DISP AC switch .......................................... OFF 10.002 CALL HP 6112A Sub 1 10.003 CALL HP 6112A Sub 2 10.004 HEAD 10.005 DISP Set the UUT front panel controls as follows: 10.005 DISP LINE ON/OFF ........................................ OFF 10.006 END #! T.U.R.s less than 4.00: 0 #! T.U.R.s estimated using RANGE value: 0 #! T.U.R.s not calculated (ASK- U): 0 #! T.U.R.s not computable at compile time: 0 #! FOR JUSTIFICATION REFER TO COMMENTS FOLLOWING EACH TEST IN THIS LISTING.