User Contributed MET/CAL Procedure ============================================================================= INSTRUMENT: HP 403B: (1 Year) CAL VER DATE: 16-Mar-95 AUTHOR: User Contributed REVISION: 1.0 ADJUSTMENT THRESHOLD: 70% NUMBER OF TESTS: 41 NUMBER OF LINES: 304 CONFIGURATION: Fluke 5700A (WB) ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON # # This procedure was extracted from the Model 403B AC Voltmeter # Operating and Service Manual P/N 00403-90007, May 1969 and ERRATA 1. # 1.001 ASK+ B X 1.002 ASK- R N P J F V 1.003 5700 * S # # 1.004 HEAD [32] [27][91]1mEQUIPMENT SETUP 1.005 DISP WARNING !! HIGH VOLTAGE is used or exposed during the 1.005 DISP performance of this calibration. DEATH ON CONTACT may 1.005 DISP result if personnel fail to observe safety precautions. 1.005 DISP 1.005 DISP Ambient temperature: 23øC ñ5øC 1.005 DISP [32] Relative humidity: ó80% # # 1.006 HEAD [32] [27][91]1m5-6. TEST EQUIPMENT REQUIRED 1.007 DISP Fluke 5700A Calibrator 1.007 DISP 100 Kê Shielded load 1.007 DISP 200 Kê Shielded load 1.007 DISP Short 50ê cable 1.007 DISP Two BNCF to double banana adapters 1.007 DISP 7405A-4207 AC Divider # # 1.008 HEAD [32] [27][91]1m{5-8. METER, MECHANICAL ZERO} 1.009 DISP Plug the 403B power cord into the same power strip 1.009 DISP as used by the Fluke 5700A and turn the 403B on.[7] # 1.010 DISP 5-9. When the meter is properly zero-set, the pointer 1.010 DISP will rest over the zero mark on the meter scale when 1.010 DISP the voltmeter is 1) at normal operating temperature, 1.010 DISP 2) in its normal operating position, and 3) turned off. 1.010 DISP Zero-set as follows to obtain best accuracy and mechan- 1.010 DISP ical stability. # 1.011 DISP a. Allow the voltmeter to operate for at least 20 1.011 DISP minutes; this allows the meter movement to reach 1.011 DISP normal operating temperature. 1.011 DISP 1.011 DISP b. Turn voltmeter off and allow 30 seconds for all 1.011 DISP capacitors to discharge. # 1.012 DISP c. Rotate mechanical zero-adjustment screw CLOCKWISE. 1.012 DISP 1.012 DISP d. Continue to rotate adjustment screw CLOCKWISE; STOP 1.012 DISP when pointer is right on zero. 1.012 DISP 1.012 DISP e. Rotate adjustment screw COUNTERCLOCKWISE 15ø to 1.012 DISP remove tension. # 1.013 OPBR f. If step e. causes the meter to move off zero, repeat 1.013 OPBR procedure, making the COUNTERCLOCKWISE rotation less 1.013 OPBR than 15ø. Is the meter pointer still on zero? 1.014 JMPF 1.011 # # 1.015 HEAD [32] [27][91]1m5-10. PERFORMANCE CHECKS 1.016 DISP 5-11. The performance checks are in-cabinet tests that 1.016 DISP compare the 403B with its specifications. These pro- 1.016 DISP cedures can be of use both for incoming inspection and 1.016 DISP periodic inspections. # # 1.017 HEAD [32] [27][91]1m5-12. CALIBRATION CHECKS 1.018 DISP a. Rotate the 403B FUNCTION switch to BATT TEST. Meter 1.018 DISP should read 2.4 Volts on the 3.0 Volt scale. If 403B 1.018 DISP does not read 2.4 volts, recharge the batteries. # # 1.019 HEAD [32] [27][91]1mCONNECTION DATA 1.020 DISP b. Connect the 5700A to the 403B using a short 50ê 1.020 DISP [32] cable and two BNCF to double banana adapters. 1.020 DISP 1.020 DISP [32] Connect the 403B Ground terminal to the 403B 1.020 DISP [32] LOW INPUT terminal. This connection may be 1.020 DISP [32] used for all tests to avoid ground loops but 1.020 DISP [32] may be removed if required for any test.[7] # # 1.021 HEAD [27][91]1m[32] {5-12. CALIBRATION CHECKS} 1.022 DISP c. Select the 300 Volt range on the 403B.[7] 1.023 5700 300 300V 2/ 400H 2W # 2.001 5700 100V 400H S 2W 2.002 DISP e. Select the 100 Volt range on the 403B.[7] 2.003 5700 100 100V 2/ 400H 2W # 3.001 5700 30V 400H S 2W 3.002 DISP e. Select the 30 Volt range on the 403B.[7] 3.003 5700 30 30V 2/ 400H 2W # 4.001 5700 10V 400H S 2W 4.002 DISP e. Select the 10 Volt range on the 403B.[7] 4.003 5700 10 10V 2/ 400H 2W # 5.001 5700 3V 400H S 2W 5.002 DISP e. Select the 3 Volt range on the 403B.[7] 5.003 5700 3 3V 2/ 400H 2W # 6.001 5700 1V 400H S 2W 6.002 DISP e. Select the 1 Volt range on the 403B.[7] 6.003 5700 1 1V 2/ 400H 2W # 7.001 5700 0.3V 400H S 2W 7.002 DISP e. Select the .3 Volt range on the 403B.[7] 7.003 5700 0.3 0.3V 2/ 400H 2W # 8.001 5700 0.1V 400H S 2W 8.002 DISP e. Select the .1 Volt range on the 403B.[7] 8.003 5700 0.1 0.1V 2/ 400H 2W # 9.001 5700 30mV 400H S 2W 9.002 DISP e. Select the .03 Volt range on the 403B.[7] 9.003 5700 30 30mV 2/ 400H 2W # 10.001 5700 * S 10.002 DISP 1. Remove all connections to the 403B. 10.002 DISP 10.002 DISP 2. Connect the 5700A to the 403B using the 7405A-4207 10.002 DISP [32] AC DIVIDER and a BNCF to double banana adapter. 10.002 DISP 10.002 DISP e. Select the .01 Volt range on the 403B.[7] 10.003 5700 10 10mV 2/ 400H 2W # 11.001 5700 3mV 400H S 2W 11.002 DISP e. Select the .003 Volt range on the 403B.[7] 11.003 5700 3 3mV 2/ 400H 2W # 12.001 5700 1mV 400H S 2W 12.002 DISP e. Select the .001 Volt range on the 403B.[7] 12.003 5700 1 1mV 2/ 400H 2W # # 13.001 HEAD [27][91]1m[32] {5-13. FREQUENCY RESPONSE CHECKS} 13.002 5700 1 0.94mV 2/ 500kH 2W #! T.U.R. not calculated because tolerance or floor unspecified. 14.001 5700 1 0.94mV 2/ 1MH 2W #! T.U.R. not calculated because tolerance or floor unspecified. # 15.001 5700 1mV 400H S 2W 15.002 DISP Select the .003 Volt range on the 403B.[7] 15.003 5700 3 2.82mV 2/ 500kH 2W #! T.U.R. not calculated because tolerance or floor unspecified. 16.001 5700 3 2.82mV 2/ 1MH 2W #! T.U.R. not calculated because tolerance or floor unspecified. # 17.001 5700 3mV 400H S 2W 17.002 DISP Select the .01 Volt range on the 403B.[7] 17.003 5700 10 9.4mV 2/ 500kH 2W #! T.U.R. not calculated because tolerance or floor unspecified. 18.001 5700 10 9.4mV 2/ 1MH 2W #! T.U.R. not calculated because tolerance or floor unspecified. # 19.001 5700 * S 19.002 DISP 1. Remove all connections to the 403B. 19.002 DISP 19.002 DISP 2. Connect the 5700A to the 403B using a short 50ê 19.002 DISP [32] cable and two BNCF to double banana adapters. 19.002 DISP 19.002 DISP Select the .03 Volt range on the 403B.[7] 19.003 5700 30 28.2mV 2/ 500kH 2W 20.001 5700 30 28.2mV 2/ 1MH 2W #! WARNING: Test Tol 0.0006, Sys Tol 0.00019306, TUR 3.108 (< 4.00). # 21.001 5700 30mV 400H S 2W 21.002 DISP Select the .1 Volt range on the 403B.[7] 21.003 5700 0.1 0.094V 2/ 500kH 2W 22.001 5700 0.1 0.094V 2/ 1MH 2W # 23.001 5700 0.1V 400H S 2W 23.002 DISP Select the 3 Volt range on the 403B.[7] 23.003 5700 3 2.82V 2/ 500kH 2W 24.001 5700 3 2.82V 2/ 1MH 2W #! WARNING: Test Tol 0.06, Sys Tol 0.016896, TUR 3.551 (< 4.00). # # 25.001 5700 * S 25.002 DISP Remove all connections to the 403B. 25.002 DISP 25.002 DISP Connect the 5700A WIDEBAND output to the 403B using a 25.002 DISP wideband cable, termination, and dual banana connector. 25.003 5700 3 2.82V 5/ 2MH W 2W # 26.001 5700 0.094V 2MH W S 2W 26.002 DISP Select the .1 Volt range on the 403B.[7] 26.003 5700 0.1 0.094V 5/ 2MH W 2W # 27.001 5700 28.2mV 2MH W S 2W 27.002 DISP Select the .03 Volt range on the 403B.[7] 27.003 5700 30 28.2mV 5/ 2MH W 2W # 28.001 5700 9.4mV 2MH W S 2W 28.002 DISP Select the .01 Volt range on the 403B.[7] 28.003 5700 10 9.4mV 5/ 2MH W 2W # 29.001 5700 2.82mV 2MH W S 2W 29.002 DISP Select the .003 Volt range on the 403B.[7] 29.003 5700 3 2.82mV 5/ 2MH W 2W # 30.001 5700 0.94mV 2MH W S 2W 30.002 DISP Select the .001 Volt range on the 403B.[7] 30.003 5700 1 0.94mV 5/ 2MH W 2W # # # Note: This test added IAW ERRATA 1. 31.001 HEAD [27][91]1m[32] {5-26a. 30-VOLT RESPONSE CHECK} 31.002 5700 * S 31.003 DISP [32] Remove all connections to the 403B. 31.003 DISP 31.004 DISP a. Rotate the 403B RANGE switch to 30.0 volts. 31.005 DISP 31.006 DISP b. Connect the 5700A to the 403B using a short 50ê 31.006 DISP [32] cable and two BNCF to double banana adapters. 31.007 5700 30 20V 2/ 300kH 2W # # 32.001 HEAD [27][91]1m[32] {5-15. LOW FREQUENCY RESPONSE CHECK} 32.002 5700 * S 32.003 DISP Remove all connections to the 403B. 32.003 DISP 32.003 DISP Connect the 5700A to the 403B using the 7405A-4207 32.003 DISP AC DIVIDER and a BNCF to double banana adapter.[7] 32.003 DISP 32.003 DISP b. Select the .001 Volt range on the 403B.[7] 32.004 5700 1 0.94mV 2/ 10H 2W # 33.001 DISP f. Select the .003 Volt range on the 403B.[7] 33.002 5700 3 2.82mV 2/ 10H 2W # 34.001 DISP f. Select the .01 Volt range on the 403B.[7] 34.002 5700 10 9.4mV 2/ 10H 2W # 35.001 DISP Remove all connections to the 403B. 35.001 DISP 35.001 DISP Connect the 5700A to the 403B using a short 50ê 35.001 DISP cable and two BNCF to double banana adapters. 35.001 DISP 35.001 DISP f. Select the .03 Volt range on the 403B.[7] 35.002 5700 30 28.2mV 2/ 10H 2W # 36.001 DISP f. Select the .1 Volt range on the 403B.[7] 36.002 5700 0.1 0.094V 2/ 10H 2W # 37.001 DISP f. Select the 3 Volt range on the 403B.[7] 37.002 5700 3 2.82V 2/ 10H 2W # # 38.001 HEAD [27][91]1m[32] {5-16. NOISE CHECK} 38.002 MESS a. Disconnect the 403B from the 5700A and rotate the 38.002 MESS 403B FUNCTION switch to ON. The 403B should be using 38.002 MESS line power to start this test. 38.002 MESS 38.002 MESS b. Terminate the 403B input with a 100Kê shielded load. 38.002 MESS The 403B meter deflection should be less than 8% on any 38.002 MESS range with AC operation. 38.002 MESS 38.003 EVAL Is the 403B meter deflection less than 8% on any range? # 39.001 MESS a. Disconnect the 403B from line power 39.001 MESS 39.001 MESS b. The 403B meter deflection should be less than 3% on 39.001 MESS any range with battery operation. 39.001 MESS 39.002 EVAL Is the 403B meter deflection less than 3% on any range? # # 40.001 MESS 40.002 5700 * S 40.003 HEAD [27][91]1m[32] {5-17. INPUT RESISTANCE CHECK} 40.004 DISP a. Remove all connections to the 403B. 40.004 DISP 40.004 DISP [32] Connect the 5700A to the 403B using the 7405A-4207 40.004 DISP [32] AC DIVIDER, a 200Kê feedthrogh resistor and a BNCF 40.004 DISP [32] to double banana adapter.[7] 40.004 DISP 40.004 DISP b. Rotata the 403B RANGE switch to 0.01. 40.005 5700 10mV 400H S 2W 40.006 EVAL Does the 403B meter indicate between 9.0mV and 9.5mV? # # 41.001 5700 * S 41.002 HEAD [27][91]1mHP 403B: (1 Year) CAL VER Completed 41.003 DISP Select the 300 Volt range and turn off the 403B.[7] 41.004 END #! T.U.R.s less than 4.00: 2 #! 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: 6 #! FOR JUSTIFICATION REFER TO COMMENTS FOLLOWING EACH TEST IN THIS LISTING.