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NAVAIR 17-20AQ-347

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4.4.8 Repeat the sections of the TI calibration that had previously failed. If these sections are completed satisfactorily, then

proceed to Section 4.5. Otherwise, consult the manufacturer’s manual to troubleshoot the problems encountered.

4.5 SECURING THE TI

4.5.1 Any steps that produced an out-of-tolerance reading must be repeated at this point. Use the TI SECOND RUN

checklist column to repeat the necessary steps and verify that these steps are now within the given tolerance limits.

4.5.2 Affix a SPECIAL CALIBRATION label to the TI indicating the following: “TI calibrated to Fluke 8505/8506 12

months specs (MSD assigned tolerance).” The date of calibration may by added to the TI memory, if desired, by following the
instructions in the manufacturer’s manual.

4.5.3 Unless other measurements are to be performed, set all power controls to off or standby, and disconnect the TI from the

setup.

Содержание 17-20AQ-347

Страница 1: ...N OF COMMANDER NAVAL AIR SYSTEMS COMMAND DISTRIBUTION STATEMENT C DISTRIBUTION AUTHORIZED TO U S GOVERNMENT AGENCIES AND THEIR CONTRACTORS TO PROTECT PUBLICATIONS REQUIRED FOR OFFICIAL USE OR FOR ADMI...

Страница 2: ...he document NOTE On a revised page with the exception of the Title the A and the i pages the technical changes are indicated by a vertical line in the outer margin of the page Page No Revision Page No...

Страница 3: ...0 4 3 Resistance Tests Option 20 Only 15 4 4 Calibration Factors 16 4 5 Securing The TI 17 Navy Calibration Checklist 19 ILLUSTRATIONS Figure Page 1 DC Volts Reference Setup 20 V or less 5 2 DC Voltag...

Страница 4: ...curement specifications for the Wavetek 1271 TI a SPECIAL CALIBRATION tag shall be affixed to the TI upon completion of calibration indicating that the TI was calibrated to the 12 month Fluke 8505 850...

Страница 5: ...100 kHz 0 308 iv 1000 V range 10 to 40 Hz iv 600 V x 02 0 152 0 2 in 40 Hz to 20 kHz iv 600 V x 02 0 025 0 2 in 20 to 50 kHz iv 600 V x 02 0 0825 0 2 in 50 to 100 kHz iv 600 V x 02 0 308 0 2 in NOTES...

Страница 6: ...1000 V Uncertainties 100 mV 0 003 iv 1 V 0 000825 iv at 1 V 10 V 6 ppm at 19 V 100 V 0 001 iv at 100 V 1000 V 0 001 iv at 1000 V Fluke 7105A Required Components 2 1 1 DV source Fluke 332B or 335A 2 1...

Страница 7: ...auxiliary equipment controls as necessary to avoid damage to the equipment and so that dangerous voltages will not be present on output terminals when the power switches are turned on 3 2 Ensure that...

Страница 8: ...m up for 4 hours Ensure that the TI CAL switch TI rear panel is set to DISABLE DV SOURCE NULL DETECTOR VOLTAGE DIVIDER HI LO GND ERS 1 1 1 0 GUARD OUTPUT Figure 1 DC Volts Reference Setup 20 V or less...

Страница 9: ...isted the CF value is 100 0 001 0 01 0 001000 V if the AC DC difference is a 0 001 the CF value would be 100 0 001 0 01 0 001000 V 3 8 Set all other calibration equipment controls as necessary to avoi...

Страница 10: ...on is within the tolerance limits listed in the following table TI RANGE Nominal V Tolerance Limits V 100 mV 0 0000 3 0 0090 3 to 0 0090 3 1 V 0 000000 0 000009 to 0 000009 10 V 0 00000 0 00009 to 0 0...

Страница 11: ...ithin the tolerance limits listed in the following table TI RANGE Divider Setting Nominal V Tolerance Limits V 100 mV 0 0005000 10 0000 3 9 9906 3 to 10 0094 3 100 mV 0 0050000 100 0000 3 99 9869 3 to...

Страница 12: ...set the reference divider standard cell dials for the value of the 1 volt reference 4 1 8 Zero the null detector on its 10 V range then set its OPR ZERO switch to OPR Set the DV source power switch to...

Страница 13: ...ntain a null on the null detector 10 V range taking precautions as required to avoid meter pegging TI RANGE V Input V Output V DV Source V Nominal V Tolerance Limits V 100 100 100 100 000 100 000 99 9...

Страница 14: ...hat is applicable to the frequency of the measurement listed in the following table For example if the measurement frequency is 20 kHz and the CF at 20 kHz from step 3 6 is 0 000030 set the DV source...

Страница 15: ...to open sensitivity switch to low and polarity switch to the opposite setting as in step 4 2 3 3 NOTE If the TTS polarity switch has been disconnected skip to step 4 2 3 12 4 2 3 8 Repeat steps 4 2 3...

Страница 16: ...and the sensitivity switch to low 4 2 6 Set the TTS mode switch to AC search select the correct range so that the percent input meter indicates in the green area and then switch the mode switch to th...

Страница 17: ...to the frequency of measurement as obtained in step 4 2 3 8 4 2 11 2 Verify that the TI indication is within the tolerance limits listed in the following table AV Source TI RANGE mV Output Volts Freq...

Страница 18: ...ton Select the Resl function Select 5 digit resolution Depress the TI OHMS pushbutton 4 3 3 Connect a short across the 10 standard resistor 4 3 4 Depress the TI ZERO pushbutton Wait until the TI BUSY...

Страница 19: ...out of tolerance 4 4 2 To begin setting the calibration factors engage the CAL switch on the rear panel of the TI 4 4 3 Perform an INTERNAL CHARACTERIZATION This is accomplished by performing the foll...

Страница 20: ...ted at this point Use the TI SECOND RUN checklist column to repeat the necessary steps and verify that these steps are now within the given tolerance limits 4 5 2 Affix a SPECIAL CALIBRATION label to...

Страница 21: ...0 009 4 1 4 Range Divider V V 100 mV 0 0005000 10 0000 3 9 9906 3 to 10 0094 3 0 0050000 100 0000 3 99 9869 3 to 100 0131 3 1 V 0 0050000 0 100000 0 099989 to 0 100011 0 0500000 1 000000 0 999967 to...

Страница 22: ...to 1 00308 1 MHz 1 00000 0 95510 to 1 04490 4 2 4 10 V 10 Hz 10 0000 9 9848 to 10 0152 50 Hz 10 0000 9 9975 to 10 0025 1 kHz 10 0000 9 9975 to 10 0025 20 kHz 10 0000 9 9975 to 10 0025 50 kHz 10 0000 9...

Страница 23: ...960 3 to 100 040 3 20 kHz 100 000 3 99 960 3 to 100 040 3 50 kHz 100 000 3 99 918 3 to 100 082 3 100 kHz 100 000 3 99 692 3 to 100 308 3 4 3 Resistance Tests Option 20 only 4 3 6 10 range ref 10 0000...

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