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Fluke 5790B, Руководство по обслуживанию

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5790B 

Service Manual 

4-2 

 

elu049.eps 

Figure 4-1. Accessing the Air Filter 

Fuse Replacement 

Access the fuse from the rear panel. The fuse rating label below the fuse holder 

shows the correct replacement fuse ratings for each operating voltage.  



Warning 

To prevent possible electrical shock, fire, or personal injury:  

•

 

Turn the Product off and remove the mains power cord. 

Stop for two minutes to let the power assemblies discharge 

before you open the fuse door. 

•

 

Replace a blown fuse with exact replacement only for 

continued protection against arc flash. 

•

 

Use only specified replacement fuses, see Table 4-1. 

To access the fuse, refer to Figure 4-2:  
1.  Disconnect the mains power cord. 
2.  With a standard screwdriver, release the fuse holder door. 
3.  Pull out the fuse holder. 
4.  If necessary, replace the fuse. 
5.  Reinsert the fuse holder. 
6.  Close the fuse holder door.

 

Содержание 5790B

Страница 1: ...Specifications are subject to change without notice All product names are trademarks of their respective companies 5790B AC Measurement Standard Service Manual Via Acquanera 29 22100 Como tel 031 526...

Страница 2: ...nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB D...

Страница 3: ...rmance 1 13 DC Secondary Performance 1 15 Operating Characteristics 1 16 AUX Input Characteristics 1 17 Absolute Wideband Specifications 5790B 3 5790B 5 and 5790B AF 1 17 2 Theory of Operation 2 1 Int...

Страница 4: ...eband AC Option 3 27 Characterizing the AC Source 3 29 Calibration Adjustment of Wideband Input Gain at 1 kHz 3 32 Calibration Adjustment of Wideband Input Flatness 3 33 Calibration Adjustment of AF O...

Страница 5: ...Removal and Installation 4 7 Analog Assembly Removal and Installation 4 7 A20 CPU Assembly Removal and Installation 4 8 Power Transformer Removal and Installation 4 8 Fan Removal and Installation 4 8...

Страница 6: ...5790B Service Manual iv...

Страница 7: ...a procedure to ensure that the Product meets its published specifications Fluke Calibration recommends a 1 year calibration cycle for the Product Use calibration adjustments to correct out of toleran...

Страница 8: ...shock fire or personal injury Read all safety information before you use the Product Carefully read all instructions Use the Product only as specified or the protection supplied by the Product can be...

Страница 9: ...d connector approved for the voltage and plug configuration in your country and rated for the Product Make sure that the Product is grounded before use Disconnect the mains power cord before you remov...

Страница 10: ...product is classed as category 9 Monitoring and Control Instrumentation product Do not dispose of this product as unsorted municipal waste Specifications Specifications are valid after a warm up peri...

Страница 11: ...due to conducted and radiated disturbances Emissions that exceed the levels required by CISPR 11 can occur when the equipment is connected to a test object Korea KCC Class A Equipment Industrial Broa...

Страница 12: ...tributed unless otherwise stated The relative specifications are provided for enhanced accuracy applications To calculate an enhanced absolute specification from the relative specification it is neces...

Страница 13: ...Hz 1 210 210 1 5 210 1 5 210 1 5 20 Hz 40 Hz 82 84 1 5 85 1 5 87 1 5 40 Hz 20 kHz 34 37 1 5 38 1 5 43 1 5 20 kHz 50 kHz 67 69 2 0 69 2 0 73 2 0 50 kHz 100 kHz 160 2 5 160 2 5 160 2 5 100 kHz 300 kHz...

Страница 14: ...7 50 kHz 100 kHz 96 98 110 100 kHz 300 kHz 210 210 260 300 kHz 500 kHz 440 500 700 700 V 10 Hz 20 Hz 4 200 200 200 200 20 Hz 40 Hz 92 96 99 110 40 Hz 20 kHz 36 39 41 47 20 kHz 50 kHz 120 130 150 50 kH...

Страница 15: ...1 3 36 1 3 43 1 3 20 kHz 50 kHz 40 2 0 45 2 0 64 2 0 50 kHz 100 kHz 53 2 5 57 2 5 73 2 5 100 kHz 300 kHz 97 4 0 110 4 0 160 4 0 300 kHz 500 kHz 310 6 0 380 8 0 610 8 0 500 kHz 1 MHz 1200 6 0 1500 8 0...

Страница 16: ...0 450 500 kHz 1 MHz 1100 1200 1500 70 V 1 10 Hz 20 Hz 55 60 62 63 20 Hz 40 Hz 19 29 31 39 40 Hz 20 kHz 15 23 25 34 20 kHz 50 kHz 22 25 27 39 50 kHz 100 kHz 64 68 85 100 kHz 300 kHz 140 150 180 300 kHz...

Страница 17: ...100 kHz 0 5 2 5 220 mV 10 Hz 45 Hz 0 1 1 5 45 Hz 1 kHz 0 1 1 5 1 kHz 20 kHz 0 17 1 5 20 kHz 100 kHz 0 5 2 5 700 mV 10 Hz 45 Hz 0 1 1 5 45 Hz 1 kHz 0 1 1 5 1 kHz 20 kHz 0 17 1 5 20 kHz 100 kHz 0 5 2 5...

Страница 18: ...dc inputs is not recommended due to the inherent thermal EMFs in a N connector See Operators Manual for details Relative DC Voltage Voltage Range 5 C of Calibration Temperature Measurement Mode ppm o...

Страница 19: ...kHz 500 kHz 3 0 150 150 500 kHz 1 MHz 4 5 200 200 7 mV 10 Hz 20 Hz 0 4 15 15 20 Hz 40 Hz 0 4 15 15 40 Hz 20 kHz 0 4 15 15 20 kHz 50 kHz 0 4 15 15 10 M 50 kHz 100 kHz 0 8 25 25 100 kHz 300 kHz 1 5 60 6...

Страница 20: ...0 8 0 100 kHz 300 kHz 18 10 0 10 0 300 kHz 500 kHz 30 20 0 20 0 500 kHz 1 MHz 90 50 0 50 0 7 V 10 Hz 20 Hz 8 1 5 3 0 20 Hz 40 Hz 5 1 5 3 0 40 Hz 20 kHz 5 1 5 3 0 20 kHz 50 kHz 5 2 0 3 0 50 k 50 kHz 1...

Страница 21: ...pacitance approximately 100 pF 3 Inputs with a V Hz product 2 2 E7 are unspecified 4 Typical specification as determined by sourcing with the Fluke 5205A Precision Power Amplifier 5 Inputs that are 30...

Страница 22: ...er reading 40 Hz 2 seconds decreasing linearly to 1 second at 200 Hz 200 Hz 1 second per reading Maximum Settling Time to Full Specifications in range lock Filter Off 1 sample dc 6 seconds 200 Hz 8 se...

Страница 23: ...z 1 2 kHz 0 05 0 75 0 5 1 2 0 6 1 5 0 8 2 1 2 kHz 120 kHz 0 05 0 75 0 5 1 2 0 6 1 5 0 8 2 120 kHz 500 kHz 0 07 1 75 0 5 1 2 0 6 1 5 0 8 2 0 1 V 500 kHz 1 2 MHz 0 07 1 75 1 2 MHz 2 MHz 0 07 1 100 2 MHz...

Страница 24: ...100 120 kHz 500 kHz 0 04 40 0 3 60 0 4 80 0 5 100 1 0 V 500 kHz 1 2 MHz 0 05 40 1 2 MHz 2 MHz 0 05 75 2 MHz 10 MHz 0 1 100 10 MHz 20 MHz 0 15 100 20 MHz 30 MHz 0 35 200 30 MHz 50 MHz 5 0 6 200 700 mV...

Страница 25: ...z 50 MHz 5 6 0 6 200 1 Range limits same as INPUT 1 or INPUT 2 2 Relative to 1 kHz for 2 year specification multiply by 1 5 3 Add to flatness specifications when more than 3 C from calibration tempera...

Страница 26: ...5790B Service Manual 1 20...

Страница 27: ...dc voltage the RMS value of the ac voltage is equal to the dc voltage The FTS has extremely flat frequency response and has short term stability approaching 1 part per million ppm Highly stable resis...

Страница 28: ...e same range amplifier The output of the FTS is measured again to yield M2 In Wideband mode the Wideband option module takes over the function of the Transfer assembly The chopped reference from the A...

Страница 29: ...PT AMPLIFIERS RMS SENSOR A D DAC CPU M1 CHOPPER MEASURE INPUT 28 Hz BINDING POSTS TYPE N CONNECTOR ATTENUATORS AND PROTECTION MODULE PROTECTION INTERRUPT AMPLIFIERS RMS SENSOR A D DAC CHOPPER CPU M2 M...

Страница 30: ...lator Guard Crossing A17 Transfer A10 A D Amplifier A15 DAC A16 Wideband A6 These analog assemblies are interfaced to the analog motherboard assembly A3 The guarded digital bus generated by the guard...

Страница 31: ...Theory of Operation Analog Section Overview 2 2 5 AC LCD LVDS Signal ics001 eps Figure 2 2 Digital Section Block Diagram...

Страница 32: ...e inputs routed through the A4 digital motherboard This assembly supplies outputs throughout the Product all of which are routed through the A4 digital motherboard The transformer assembly the filter...

Страница 33: ...LED rings that surround the front panel terminals and the high voltage hazard LED Analog Section Detailed Circuit Description Detailed descriptions of each assembly in the analog section are provided...

Страница 34: ...is used instead of dc for making the transfers for these reasons The square wave passes through the ac coupled amplifiers on the wideband board while dc would be blocked by the coupling caps Errors c...

Страница 35: ...ves 0 V 3fff hex counts gives 2 2 V full scale The instrumentation amplifier amplifies the difference between the output of the null DAC and the output of the FTS circuit on the transfer assembly The...

Страница 36: ...of the filter is a dc voltage which is the sum of the average voltages of the two waveforms The Output Stage which consists of the dc amplifier hybrid and the output buffer isolates the filter output...

Страница 37: ...embly schematic diagram for the remaining theory discussion Wideband inputs are made to the WIDEBAND 50 Type N connector on the front panel and the option is activated by pressing the WBND key In wide...

Страница 38: ...FOUR RANGES ONLY 50 ohms LOAD Z3 AMPLIFIER U3 CHOPPED REFERENCE 80 Hz SWITCHABLE ATTENUATORS 0 10 20 OR 30 dB Z4 DC OFFSET FEEDBACK AMPLIFIER U2 DC OFFSET FEEDBACK AMPLIFIER U5 RANGE COMPARATORS SENSO...

Страница 39: ...calibration cycle selection determines which set of specifications from Chapter 1 are valid and used for CalShift Reports and for display when the Setup key is pushed Set the calibration cycle to matc...

Страница 40: ...ring the passcode The front panel prompts for the passcode to unsecure the Product before it can accept new values to be eventually stored The passcode contains 1 to 8 decimal digits The Product is sh...

Страница 41: ...ee sets of calibration constants are maintained in memory Associated with each set of constants is the date and ambient temperature of the calibration Figure 3 1 shows the three sets of calibration co...

Страница 42: ...ications and substituted measurement equipment uncertainty During calibration select the fast medium or slow filter Calibrating Calibration Adjustment the Main Input Calibrate INPUT1 or INPUT2 by usin...

Страница 43: ...or outputs at lethal voltages Self Calibrate a Fluke 752A Divider with a Fluke 8508A as the Null Detector 1 Connect the 5730A 752A and 8508A as shown in Figure 3 3 2 Set the 8508A to the 200 mV dc vol...

Страница 44: ...the same for the switch in the 10 1 position as the 10 1 position but opposite sign For example if the BALANCE difference is 1 V then adjust the appropriate CALIBRATION adjustment until one switch pos...

Страница 45: ...nection DC Voltage Source Characterization Values 1 Self Calibrate the reference divider according to the procedure in the Self Calibrate a Fluke 752A Divider with a Fluke 8508A as the Null Detector s...

Страница 46: ...ard OFF 8508A Reference Multimeter NC hhp301 eps Figure 3 3 Zero Null Detector Connections 3 Set the reference divider to 0 1 V and the mode switch to OPERATE 4 Set the 8508A to dc V 200 mV range 7 di...

Страница 47: ...der Standard INPUT REFERENCE STANDARD NULL DETECTOR 732B Voltage Reference Standard 732B DC STANDARD AC PWR IN CAL CHARGE LOW BAT 10V 1 018V CHASSIS GUARD 1 018V COM 10V COM SERIAL NUMBER External Sen...

Страница 48: ...cterized nominal output relative to a reference cell Fluke 732B or 732A and a reference divider Fluke 752A Polarity is 1 for positive and 1 for negative Vstd is the output of Fluke 732B or 732A refere...

Страница 49: ...Nominal Output V V POS 0 1 220 mV 100 mV 0 1 POS 0 1 2 2 V 100 mV 0 1 NEG 0 1 220 mV 100 mV 0 1 NEG 0 1 2 2 V 100 mV 0 1 NEG 1 2 2 V 1 V 0 1 NEG 1 11 V 1 V 0 1 POS 1 2 2 V 1 V 0 1 POS 1 11 V 1 V 1 PO...

Страница 50: ...alent 50 Type N Female to Double Banana Plug Adapter Pomona Model 1740 or Equivalent Binding Posts to 50 Type N Male Adapter Pomona Model 1796 or Equivalent Low Thermal Test Leads Fluke 5440B 7002 or...

Страница 51: ...LO VOLTAGE MODE CURRENT MODE 5725A STANDBY FAULT OVERLOAD CABLE OFF POWER 0 00050mV 1 year 213 days since calibration 12 21 12 10 52am External Sense OFF External Guard OFF Wideband OFF Setup Menu St...

Страница 52: ...the 5730A to operate When the U unsettled indicator on the 5730A goes out push Continue 6 At each step you accept the default value by pushing Continue You do this because you have already applied you...

Страница 53: ...Positive dc 70 mV Negative dc 60 mV dc 60 mV dc 35 Establishes gain and dc offset for the 70 mV range 220 mV Positive dc 220 mV Negative dc 200 mV dc 200 mV dc 10 Establishes gain and dc offset for th...

Страница 54: ...z 6 mV RMS 50 kHz 6 mV RMS 100 kHz 6 mV RMS 300 kHz 6 mV RMS 500 kHz 6 mV RMS 800 kHz 6 mV RMS 1 MHz Generates flatness calibration data for the 7 mV range 22 mV AC 10 Hz 22 mV AC 100 Hz 22 mV AC 1 kH...

Страница 55: ...2 V AC 300 kHz 2 2 V AC 500 kHz 2 2 V AC 1 MHz 2 V RMS 10 Hz 2 V RMS 100 Hz 2 V RMS 1 kHz 2 V RMS 10 kHz 2 V RMS 20 kHz 2 V RMS 50 kHz 2 V RMS 100 kHz 2 V RMS 300 kHz 2 V RMS 500 kHz 2 V RMS 1 MHz Gen...

Страница 56: ...V RMS 100 kHz Generates flatness calibration data for the 1000 V range AC Calibration Adjustment Table 3 5 lists the equipment required to perform the ac calibration of the main input Before you begin...

Страница 57: ...713141 2 DC 792 DC 5790 DC 5790 EXAMPLE DC 5790B VOLTAGE NOMINAL 2 0 V 1 713135 1 999799 1 999801 1 999800 1 713146 1 713141 1 713188 1 999858 FRE QUENC Y 10 Hz 792A CORRECTION PPM 14 792A DC DC AVER...

Страница 58: ...ING DC 792 I DCI I DCI 2 DC792 AC 792 AC792 ACMEAS ACMEAS DC 792 NOMINAL DC 792 CORR 106 elu029 eps Figure 3 7 Worksheet for 60 mV to 600 mV AC Calibration Points Proceed as follows to perform ac cali...

Страница 59: ...ibrator with 5725A INT SENSE INT GUARD Strap from GUARD to GROUND I N P U T 792A P OWER PACK POWER SUPP LY OUTPUT OPER ATE LOW B AT CHARGE Coaxial Tee Only No cable between 792A and 5790B 792A Power R...

Страница 60: ...h 600 V Step 7 60 mV through 600 mV Step 8 2 mV through 20 mV 5 For an ac calibration point in the 2 V through 1000 V range proceed as follows a Obtain a copy of Figure 3 6 the worksheet for this grou...

Страница 61: ...s for you to enter Enter your computation of AC MEAS in the Product using the keypad and push the ENTER key After you push ENTER the Control Display shows the progress of the internal process of the c...

Страница 62: ...rmula k Observe the default EXACT VALUE on the display It shows the allowed number of decimal places for you to enter Enter your computation of AC MEAS in the Product using the keypad and push the ENT...

Страница 63: ...Bootstrap Ranges a Calibrate the 22 mV range as follows 1 Lock the Product in the 70 mV range The 792A may be left attached although it is not used 2 Apply the requested voltage and frequency When the...

Страница 64: ...oltage and frequency When the reading on the Product Measurement Display settles record the reading 3 Push the Continue softkey This automatically selects the 2 2 mV range 4 Enter the value you record...

Страница 65: ...Cable and 50 term 3 2 Vrms 10 Hz 50 MHz 32 mV 3 2 Vrms 1 kHz Thermal Voltage Converter Precision Measurement EL1100 3 Vrms 10 Hz 50 MHz Calibrated for voltage flatness by Fluke Calibration Precision...

Страница 66: ...0 dB Error PPM 20 dB Error PPM Total Error PPM 1 kHz Ref Error Enter Once 10 Hz 20 Hz x 50 Hz x 100 Hz x 200 Hz x 2 kHz x 10 kHz x 20 kHz x 50 kHz x 100 kHz x 200 kHz x 500 kHz x 700 kHz x 1 MHz x 1 2...

Страница 67: ...on Part 1 2 Make sure equipment warmup requirements are met 3 Set the 5730A to output 3 2 V at 1 kHz The TVC output will be about 7 mV 4 Allow the TVC to stabilize warm up for at least 10 minutes then...

Страница 68: ...200 The 50 load should be able to handle as much as 3 5 V without change in resistance Fluke 5730A WIDEBAND OUTPUT Fluke 5790B Input 1 Type N 50 Load elu036 eps Figure 3 12 Wideband Calibration Sourc...

Страница 69: ...Calibration Source Characterization Amplutude Frequency Fluke 5790B Measured 3 5 V 1 kHz 3 2 V 1 kHz 2 V 1 kHz 1 V 1 kHz 0 64 V 1 kHz 0 6 V 1 kHz 0 32 V 1 kHz 0 2 V 1 kHz 0 1 V 1 kHz 60 mV 1 kHz 32 m...

Страница 70: ...ration Adjust DC All Wideband 4 The Product will step to the first calibration point on the 7 V range 5 Use the number keys to enter the requested value recorded in Table 3 8 then push CONTINUE 6 The...

Страница 71: ...790B See Table 3 9 for attenuators required for each range elu039 eps Figure 3 13 WIDEBAND Input Flatness Calibration Test Setup 2 The 5730A will be set to a nominal 3 2 V for all flatness calibration...

Страница 72: ...V 10 Hz step 8 Set the 5730A to 3 2 V at 10 Hz and adjust the 5730A to the total error value at 10 Hz that was recorded in Table 3 8 during source characterization 9 Push the Continue key and the syst...

Страница 73: ...valid the constants must be stored Select Cal Store then enter the passcode The Cal Store field changes from Secured to Open 23 Select Save Cal constants The display indicates Save Operation Complete...

Страница 74: ...Hz source Make a measurement to establish the output of the source This value shall be used in consecutive measurement with the product 2 Connect the matching N type cable supplied as part of the AF o...

Страница 75: ...rformance of the Main Input The calibration verification of the main input dc voltage is done on Input 2 Although equivalent for transfer function to Input 1 Input 2 is recommended for the dc voltage...

Страница 76: ...V 20 V 19 999500 V 20 000500 V 12 70 V 20 V 19 99940 V 20 00060 V 13 70 V 60 V 59 99820 V 60 00180 V 14 220 V 60 V 59 99826 V 60 00174 V 15 220 V 200 V 199 99420 V 200 00580 V 16 700 V 200 V 199 9922...

Страница 77: ...the Lower and Upper limit columns 11 Repeat steps 2 to 10 for each line of the verification table Verifying the Main Input INPUT 1 or 2 Verifying the Main Input requires measurements and calculations...

Страница 78: ...22 0 002 1 MHz 6200 7500 No spec 11 0 0022 0 0006 1 kHz 2587 2587 No spec 12 0 007 0 006 10 Hz 1070 1070 No spec 13 0 007 0 006 20 Hz 587 587 No spec 14 0 007 0 006 40 Hz 427 427 No spec 15 0 007 0 00...

Страница 79: ...42 0 07 0 06 500 kHz 760 803 No spec 43 0 07 0 06 1 MHz 1200 1230 No spec 44 0 22 0 06 1 kHz 62 63 34 45 0 22 0 06 1 MHz 1040 1100 No spec 46 0 22 0 2 10 Hz 218 218 210 47 0 22 0 2 20 Hz 92 93 82 48 0...

Страница 80: ...8 2 2 0 6 1 MHz 840 900 No spec 79 2 2 1 0 10 Hz 200 200 200 80 2 2 1 0 20 Hz 65 66 63 82 2 2 1 0 40 Hz 22 24 18 83 2 2 1 0 1 kHz 22 24 18 84 2 2 1 0 20 kHz 22 24 18 85 2 2 1 0 50 kHz 45 46 43 86 2 2...

Страница 81: ...0 Hz 200 200 123 114 22 20 0 20 Hz 66 67 123 115 22 20 0 40 Hz 25 27 21 116 22 20 0 1 kHz 25 27 21 117 22 20 0 20 kHz 25 27 21 119 22 20 0 50 kHz 46 48 44 120 22 20 0 100 kHz 80 81 No spec 121 22 20 0...

Страница 82: ...700 600 0 100 kHz 400 500 No spec 148 1000 1000 0 100 Hz 37 38 33 149 1000 1000 0 1 kHz 37 38 33 150 1000 1000 0 20 kHz 37 38 33 151 1000 1000 0 30 kHz 120 130 No spec 152 1000 600 0 40 Hz 37 38 33 15...

Страница 83: ...ble 3 2 The procedure to obtain those settings is described under Characterizing the DC Source at the beginning of the calibration instructions in this chapter Use Figure 3 16 and nominal dc outputs f...

Страница 84: ...3 2 POSITIVE ERROR DISPLAY FROM TABLE 3 2 NEGATIVE 792A DC DC AVERAGE AC AC DC ERROR DC 792 DC 5790 AC 792 AC 5790 DC 5790B DC AVERAGE I DCI I DCI 2 AC DC ERROR PPM 10 792 CORR 6 DC 5790 DC 5790 AC 5...

Страница 85: ...E NOMINAL FREQUENCY 792A CORRECTION PPM 792A DC DC AVERAGE AC AC DC ERROR DC 792 DC 5790 AC 792 AC 5790 DC 5790B DC AVERAGE I DCI I DCI 2 AC DC ERROR PPM 10 792 CORR 6 DC 5790 DC 5790 AC 5790 DC 792 D...

Страница 86: ...3 2 POSITIVE ERROR DISPLAY FROM TABLE 3 2 NEGATIVE 792A DC DC AVERAGE AC AC ERROR DC 792 AC 792 AC 5790 DC 5790B DC AVERAGE I DCI I DCI 2 10 792 CORR 6 10 6 AC 5790 DC NOMINAL DC NOMINAL AC 792 DC 792...

Страница 87: ...case you take the measurements and make calculations in the same way as Regions I and III to obtain the ac dc errors You may have already calculated these errors if you are verifying both the ac dc a...

Страница 88: ...ISPLAY FROM TABLE 3 2 POSITIVE ERROR DISPLAY FROM TABLE 3 2 NEGATIVE DC DC 5790 DC ERROR DC 5790B READING DC 5790 I DCI I DCI 2 10 6 DC 5790 DC NOMINAL DC ERROR PPM DC NOMINAL elu046 eps Figure 3 17 W...

Страница 89: ..._Err ACDUT_Ver_R_Linearity_Err Where ACerr is the final result for the amplitude range under test measured in V V ACDUT_R is the mV measurement of the DUT in the range being verified ACDUT_Ver_R is th...

Страница 90: ...able 3 15 8 copies of Table 3 16 one for each voltage range and 1 copy of the overall test record Table 3 17 Note If verifying Option 5790B 3 frequencies above 30 MHz are not applicable Table 3 15 Wid...

Страница 91: ...B Error PPM 20 dB Error PPM 20 dB Error PPM 20 dB Error PPM Total Error PPM 1 kHz Ref Error Enter Once 10 Hz X 20 Hz X 50 Hz X 105 Hz X 200 Hz X 2 kHz X 10 kHz X 20 kHz X 50 kHz X 120 kHz X 200 kHz X...

Страница 92: ...500 kHz 0 03 0 31 14 7 V 3 2 V 700 kHz 0 05 No Spec No Spec 15 7 V 3 2 V 1 MHz 0 05 No Spec No Spec 16 7 V 3 2 V 1 2 MHz 0 05 No Spec No Spec 17 7 V 3 2 V 2 MHz 0 05 No Spec No Spec 18 7 V 3 2 V 3 MHz...

Страница 93: ...0 03 0 33 45 2 2 V 1 0 V 50 kHz 0 03 0 33 46 2 2 V 1 0 V 120 kHz 0 03 0 33 47 2 2 V 1 0 V 200 kHz 0 03 0 33 48 2 2 V 1 0 V 500 kHz 0 03 0 33 49 2 2 V 1 0 V 700 kHz 0 05 No Spec No Spec 50 2 2 V 1 0 V...

Страница 94: ...78 700 mV 320 mV 10 kHz 0 03 0 36 79 700 mV 320 mV 20 kHz 0 03 0 36 80 700 mV 320 mV 50 kHz 0 03 0 36 81 700 mV 320 mV 120 kHz 0 03 0 36 82 700 mV 320 mV 200 kHz 0 03 0 36 83 700 mV 320 mV 500 kHz 0 0...

Страница 95: ...z 0 04 0 36 109 220 mV 100 mV 105 Hz 0 04 0 36 110 220 mV 100 mV 200 Hz 0 04 0 36 112 220 mV 100 mV 2 kHz 0 04 0 36 113 220 mV 100 mV 10 kHz 0 04 0 36 114 220 mV 100 mV 20 kHz 0 04 0 36 115 220 mV 100...

Страница 96: ...0 mV 32 mV 20 Hz 0 10 0 46 142 70 mV 32 mV 50 Hz 0 05 0 46 143 70 mV 32 mV 105 Hz 0 05 0 46 144 70 mV 32 mV 200 Hz 0 05 0 46 146 70 mV 32 mV 2 kHz 0 05 0 46 147 70 mV 32 mV 10 kHz 0 05 0 46 148 70 mV...

Страница 97: ...0 35 No Spec No Spec 174 70 mV 32 mV 50 MHz 0 35 No Spec No Spec 175 22 mV 10 mV 10 Hz 0 10 0 5 176 22 mV 10 mV 20 Hz 0 10 0 5 177 22 mV 10 mV 50 Hz 0 05 0 5 178 22 mV 10 mV 105 Hz 0 05 0 5 179 22 mV...

Страница 98: ...0 mV 40 MHz 0 37 No Spec No Spec 208 22 mV 10 mV 45 MHz 0 37 No Spec No Spec 209 22 mV 10 mV 50 MHz 0 37 No Spec No Spec 210 7 mV 3 2 mV 10 Hz 0 10 0 55 211 7 mV 3 2 mV 20 kHz 0 10 0 55 212 7 mV 3 2 m...

Страница 99: ...pec No Spec 240 7 mV 3 2 mV 30 MHz 0 40 No Spec No Spec 241 7 mV 3 2 mV 35 MHz 0 40 No Spec No Spec 242 7 mV 3 2 mV 40 MHz 0 40 No Spec No Spec 243 7 mV 3 2 mV 45 MHz 0 40 No Spec No Spec 244 7 mV 3 2...

Страница 100: ...MHz 0 88 No Spec No Spec 273 2 2 mV 1 mV 26 MHz 0 88 No Spec No Spec 274 2 2 mV 1 mV 28 MHz 0 88 No Spec No Spec 275 2 2 mV 1 mV 30 MHz 0 88 No Spec No Spec 276 2 2 mV 1 mV 35 MHz 0 88 No Spec No Spe...

Страница 101: ...source by following the procedure under the heading Characterizing the AC Source in the Wideband Calibration procedure earlier in this chapter Use the Wideband Flatness Verification Worksheet Table 3...

Страница 102: ...are set relative to the nominal 3 2 V level 17 Verify all other ranges in the same way Verification of AF Option The following procedure is a part of calibration only if the 5790B AF Option is install...

Страница 103: ...urements in dBm instead of mW Note The test record in Table 3 19 is in mW A custom table for the test record must be created if evaluation is to be performed in dBm 10 Turn on the characterized source...

Страница 104: ...5790B Service Manual 3 66...

Страница 105: ...e circuit boards Access procedures are provided for those who want to replace a faulty module only Clean the Exterior To keep the Product looking like new clean the case front panel keys and lens usin...

Страница 106: ...duct off and remove the mains power cord Stop for two minutes to let the power assemblies discharge before you open the fuse door Replace a blown fuse with exact replacement only for continued protect...

Страница 107: ...le 4 1 Replacement Fuses Line Voltage Setting Fuse Description Fluke Part Number 100 V to 120 V T 1 5 A 250 V SB 109231 220 V to 240 V T 1 5 A 250 V SB 109231 115V 115V 115V 115V 230V PRSR 1 2 3 4 hhp...

Страница 108: ...is operated in a dusty environment The air filter is accessible from the rear panel of the Calibrator To clean the air filter refer to Figure 4 3 1 Disconnect mains power 2 Remove the filter element...

Страница 109: ...Maintenance Introduction 4 4 5 hvi026 eps Figure 4 3 Air Filter Access...

Страница 110: ...nine Phillips head screws The bottom Analog Section cover is secured with eight Phillips head screws three short five longer Rear Panel Removal and Installation Once the top and bottom covers are rem...

Страница 111: ...Remove one end of the white cable that is connected between the A2 board and display assembly 2 Remove the nine screws from the metal cover 3 Flip the metal cover to one side to access display 4 Deta...

Страница 112: ...rocedure to remove the front panel The front panel can remain connected and positioned on its handles in front of the Product 7 Remove the two screws from the front bulk head that fasten to the black...

Страница 113: ...eference Outside Of Limits 109 Measured And Entered Input Don t Match 110 Frequency Doesn t Match Expected 111 Input Is Of Wrong Polarity 112 Input Is Changing During Cal 113 Input Tripped Protection...

Страница 114: ...er 300 Level Faults Inguard processor 300 A17 Guardcrossing ROM Checksum 301 A17 Guardcrossing RAM 302 A17 Guardcrossing DUART 303 A17 Guardcrossing Watchdog 304 Hardware Initialization 400 Level Faul...

Страница 115: ...sum Bad 507 Recalling Unsaved Instrument State 508 Already Printing A Report 509 External Guard Not Available 510 Display Brightness Setting Exceeds Limits 600 Level Faults Firmware updater 601 Backup...

Страница 116: ...627 Failed to read the new source file config cal 628 Can not remove existing backup file config cal 629 Can not rename existing file to backup file config cal 630 Source file does not exist config c...

Страница 117: ...file 660 File on USB device same as installed file per timestamp 661 Error unmounting USB device 662 Can not extract ver from line 1 of src file config cal 663 Can not extract ver from line 1 of dest...

Страница 118: ...rations manager 1100 Guard Crossing Protocol Failed To Start 1101 Analog Hardware Initialization Failed 1102 Giving Up On Initializing Hardware 1103 NV Integrity Check Failed 1104 Analog Hardware Cont...

Страница 119: ...own command 1302 Bad Parameter Count 1303 Bad Keyword 1304 Bad Parameter Type 1305 Bad Parameter Unit 1306 Bad Parameter Value 1307 488 2 I O DEADLOCK 1308 488 2 INTERRUPTED Query 1309 488 2 UNTERMINA...

Страница 120: ...String Too Long 1375 Trigger GET String Too Long 1380 File Operation Failed 1400 Level Faults Report generation 1400 Unknown Report Requested 1401 Unknown Report Device Requested 1402 Serial Port Tim...

Страница 121: ...raming Parity Overrun on chan d 1702 Input queue overflow on chan d 1705 Uart failed self Test 1707 Remote interface UART 1708 Remote interface USB 1709 Guard crossing UART 1710 Boost Crossing UART 18...

Страница 122: ...Is Secured 2204 Passcode Must Be 1 to 8 Digits 2205 Cannot Store Cal Is Secured 2206 Invalid Security Passcode 2207 Cannot Set Clock Cal Is Secured 2208 Invalid command 2300 Level Faults Software Tim...

Страница 123: ...Any special notes for example factory selected part Caution A symbol indicates a device that may be damaged by static discharge How to Obtain Parts Electrical components may be ordered from Fluke Cal...

Страница 124: ...4716 PCA DAC A16 4628266 1 7 5790B 4717 PCA REGULATOR GUARD CROSSING A17 4628275 1 8 5790B 4718 PCA FILTER A18 4628282 1 9 5790B 4720 PCA MAIN CPU A20 4628294 1 A6 Option 5790B 7606 PCA WIDEBAND A6 T...

Страница 125: ...75 PAN PHILLIPS STEEL ZINC CLEAR LOCK 114124 4 39 5700A 8020 WASHER LOW THERMAL 760892 3 40 5730A 4201 TRANSFORMER MODULE ASSY 4233875 1 42 POWER ENTRY MODULE 6A 250V FILTER FUSE DPST SWITCH FLANGE MT...

Страница 126: ...4406 CABLE LVDS DISPLAY 4312028 1 65 5730A 4407 CABLE DISPLAY BACKLIGHT 4312037 1 66 5730A 4408 CABLE TOUCH CONTROLLER 4312043 1 67 5730A 8005 CLEAR STATIC CLING VINYL 4365799 1 68 NUT NUT EXT LOCK S...

Страница 127: ...1 117 5730A 2005 BOTTOM COVER 4104383 1 111 5790B 2013 FRAME FILTER 4604458 1 110 5700A 2009 INSULATOR DIGITAL MOTHERBOARD 761247 1 123 5790B 2004 FRONT PANEL SHEET METAL 4410954 1 112 5730A 2019 LCD...

Страница 128: ...5790B Service Manual 5 6 63 116 88 4 56 89 117 8 6 7 5 57 60 5790B Final Assembly 1 of 4 5790b_fa_1 eps Figure 5 1 Final Assembly...

Страница 129: ...n Parts 5 5 7 31 13 14 19 20 17 11 26 25 64 56 16 12 15 75 123 18 122 1 112 75 85 67 60 18 18 32 60 76 29 28 30 83 61 64 18 75 65 60 66 11 22 12 78 33 10 79 57 23 5790B Final Assembly 2 of 4 5790b_fa_...

Страница 130: ...5790B Service Manual 5 8 74 71 72 44 42 77 45 46 58 47 48 43 60 68 105 50 56 13 111 70 70 70 74 68 73 73 5790B Final Assembly 3 of 4 55 57 54 84 59 5790b_fa_3 eps Figure 5 1 Final Assembly Cont...

Страница 131: ...eplacable Parts How to Obtain Parts 5 5 9 5790B Final Assembly 4 of 4 53 53 60 61 118 119 60 40 9 36 37 37 51 3 2 62 109 106 110 52 108 38 69 49 121 60 60 53 62 61 5790b_fa_4 eps Figure 5 1 Final Asse...

Страница 132: ...5790B Service Manual 5 10...

Страница 133: ...Appendices Appendix Title Page A Glossary of AC DC Transfer Related Terms A 1 B ASCII and IEEE 488 Bus Codes B 1 C Calibration Constant Information C 1...

Страница 134: ...5790B Service Manual...

Страница 135: ...t uses a calibration system within the instrument to reduce the number of required external standards to a small number of artifact standards The Fluke 5730A Calibrator uses Artifact Calibration Artif...

Страница 136: ...voltage to the same RMS voltage A positive AC DC difference indicates that more alternating than direct voltage is required to produce the same reading Base Units Units in the SI system that are dime...

Страница 137: ...nce Voltage The maximum voltage that a constant current source can supply Confidence Level A percentage indicating certainty or assurance that an associated condition is true Control Chart A chart dev...

Страница 138: ...r is when the slope of a calibrator s displayed output vs its true output is not exactly 1 A calibrator with only gain error no offset or linearity error will read 0 V with 0 V on the display but some...

Страница 139: ...and systematic components of error relative to national or other designated standards is quantified and sufficiently small to meet requirements Maximum Transfer Time Maximum time that an AC DC transfe...

Страница 140: ...ly predictable Primary Standard A standard defined and maintained by some authority and used to calibrate all other secondary standards Process Metrology Tracking the accuracy drift of calibration and...

Страница 141: ...nsfer standard for the same DC input but with polarity reversed The output logged for the DC reference should be the average of the two readings RF Radio Frequency The frequency range of radio waves f...

Страница 142: ...the freedom from drift relative to a reference value over time and over changes in other variables such as temperature Note that stability is not the same as uncertainty Standard A device that is used...

Страница 143: ...ith another This does not include the uncertainty of the transfer standard Transfer Stability Change in the AC DC Difference correction over time with stated conditions Transfer Standard Any standard...

Страница 144: ...ne ampere flowing through a one ohm load In instrumentation wideband refers to the ability to measure or generate signals in the radio frequency spectrum Verification The comparison of a measurement o...

Страница 145: ...1 001 01 0000 0001 GTL STX 2 002 02 0000 0010 ETX 3 003 03 0000 0011 EOT 4 004 04 0000 0100 SDC ENQ 5 005 05 0000 0101 PPC ACK 6 006 06 0000 0110 BELL 7 007 07 0000 0111 BS 8 010 08 0000 1000 GET HT 9...

Страница 146: ...032 1A 0001 1010 ESC 27 033 1B 0001 1011 FS 28 034 1C 0001 1100 GS 29 035 1D 0001 1101 RS 30 036 1E 0001 1110 US 31 037 1F 0001 1111 SPACE 32 040 20 0010 0000 0 MLA LISTEN ADDRESSES 33 041 21 0010 000...

Страница 147: ...0011 1010 26 MLA 59 073 3B 0011 1011 27 MLA 60 074 3C 0011 1100 28 MLA 61 075 3D 0011 1101 29 MLA 62 076 3E 0011 1110 30 MLA 63 077 3F 0011 1111 UNL 64 100 40 0100 0000 0 MTA TALK ADDRESSES A 65 101 4...

Страница 148: ...133 5B 0101 1011 27 MTA 92 134 5C 0101 1100 28 MTA 93 135 5D 0101 1101 29 MTA 94 136 5E 0101 1110 30 MTA _ 95 137 5F 0101 1111 UNT 96 140 60 0110 0000 0 MSA SECONDARY ADDRESSES a 97 141 61 0110 0001...

Страница 149: ...0111 0010 18 MSA s 115 163 73 0111 0011 19 MSA t 116 164 74 0111 0100 20 MSA u 117 165 75 0111 0101 21 MSA v 118 166 76 0111 0110 22 MSA w 119 167 77 0111 0111 23 MSA x 120 170 78 0111 1000 24 MSA y 1...

Страница 150: ...5790B Service Manual B 6...

Страница 151: ...ts DAC_RATIO 16500 0 DAC coarse fine count ratio AD_DIV_Z 0 0 A D divided 1 6 range offset in counts AD_DIV_G 1 397E 8 A D divided 1 6 range gain V count AD_X1_Z 0 0 A D x1 range offset in counts AD_X...

Страница 152: ...7660e 03 Autogenerated SENSOR_C2_WB 0 0 Autogenerated Group AC_LINEARITY Name Default Function LN_C 02 Coefficient of V VEX F FEX LN_LIM 100 0 Linearitization is done only below this frequency LN_VHI...

Страница 153: ...ion for 22 mv range L1_70MV 32e 6 AC Linearity correction for 70 mv range L1_220MV 0 AC Linearity correction for 220 mv range L1_700MV 18 4e 6 AC Linearity correction for 700 mv range L1_2_2V 11 5e 6...

Страница 154: ...figuration HF_LIMHI 105 0E 3 Point above which we switch to high freq configuration MIN_FREQ 9 0 Below this point we consider the input to be DC MAX_FREQ 1 21E 6 Highest frequency measure normally MAX...

Страница 155: ...nge flatness correction 1 10 Hz F2_2_2MV 1 0 2_2MV range flatness correction 2 100 Hz F3_2_2MV 1 0 2_2MV range flatness correction 3 1 kHz F4_2_2MV 1 0 2_2MV range flatness correction 4 10 kHz F5_2_2M...

Страница 156: ...0 7MV range flatness correction 5 20 kHz F6_7MV 1 0 7MV range flatness correction 6 50 kHz F7_7MV 1 0 7MV range flatness correction 7 100 kHz F8_7MV 1 0 7MV range flatness correction 8 300 kHz F9_7MV...

Страница 157: ...0MV Name Default Function DI_70MV 100 0 70MV range DAC volts per input volt OF_70MV 0 0 70MV range DC offset Group ZC_70MV Name Default Function Z_70MV 0 0 70MV range zero SHO_70MV 0 0 70MV AUX input...

Страница 158: ...orrection 3 1 kHz F4_220MV 1 0 220MV range flatness correction 4 10 kHz F5_220MV 1 0 220MV range flatness correction 5 20 kHz F6_220MV 1 0 220MV range flatness correction 6 50 kHz F7_220MV 1 0 220MV r...

Страница 159: ...MHz Group DC_2_2V Name Default Function DI_2_2V 5 0 2_2V range DAC volts per input volt OF_2_2V 0 0 2_2V range DC offset Group ZC_2_2V Name Default Function Z_2_2V 0 0 2_2V range zero SHO_2_2V 0 0 2_2...

Страница 160: ...z F4_7V 1 0 7V range flatness correction 4 10 kHz F5_7V 1 0 7V range flatness correction 5 20 kHz F6_7V 1 0 7V range flatness correction 6 50 kHz F7_7V 1 0 7V range flatness correction 7 100 kHz Group...

Страница 161: ...on 3 1 kHz F4_22V 1 0 22V range flatness correction 4 10 kHz F5_22V 1 0 22V range flatness correction 5 20 kHz F6_22V 1 0 22V range flatness correction 6 50 kHz F7_22V 1 0 22V range flatness correctio...

Страница 162: ...ss correction 3 1 kHz F4_70V 1 0 70V range flatness correction 4 10 kHz F5_70V 1 0 70V range flatness correction 5 20 kHz F6_70V 1 0 70V range flatness correction 6 50 kHz F7_70V 1 0 70V range flatnes...

Страница 163: ...rection 8 300 kHz Group DC_700V Name Default Function DI_700V 0 01 700V range DAC volts per input volt OF_700V 0 0 700V range DC offset Group ZC_700V Name Default Function Z_700V 0 0 700V range zero S...

Страница 164: ...1_1000V 1 0 1000V range flatness correction 1 10 Hz F2_1000V 1 0 1000V range flatness correction 2 100 Hz F3_1000V 1 0 1000V range flatness correction 3 1 kHz F4_1000V 1 0 1000V range flatness correct...

Страница 165: ...s correction 10 70 kHz F11_2_2MV_WB 1 0 2_2MV range wideband input flatness correction 11 100 kHz F12_2_2MV_WB 1 0 2_2MV range wideband input flatness correction 12 500 kHz F13_2_2MV_WB 1 0 2_2MV rang...

Страница 166: ...correction 9 50 kHz F10_7MV_WB 1 0 7MV range wideband input flatness correction 10 70 kHz F11_7MV_WB 1 0 7MV range wideband input flatness correction 11 100 kHz F12_7MV_WB 1 0 7MV range wideband inpu...

Страница 167: ...atness correction 10 70 kHz F11_22MV_WB 1 0 22MV range wideband input flatness correction 11 100 kHz F12_22MV_WB 1 0 22MV range wideband input flatness correction 12 500 kHz F13_22MV_WB 1 0 22MV range...

Страница 168: ...on 10 70 kHz F11_70MV_WB 1 0 70MV range wideband input flatness correction 11 100 kHz F12_70MV_WB 1 0 70MV range wideband input flatness correction 12 500 kHz F13_70MV_WB 1 0 70MV range wideband input...

Страница 169: ...eband input flatness correction 5 4 kHz F6_220MV_WB 1 0 220MV range wideband input flatness correction 6 30 kHz F7_220MV_WB 1 0 220MV range wideband input flatness correction 7 100 kHz F8_220MV_WB 1 0...

Страница 170: ...tness correction 5 4 kHz F6_700MV_WB 1 0 700MV range wideband input flatness correction 6 30 kHz F7_700MV_WB 1 0 700MV range wideband input flatness correction 7 100 kHz F8_700MV_WB 1 0 700MV range wi...

Страница 171: ...and input flatness correction 6 30 kHz F7_2_2V_WB 1 0 2_2V range wideband input flatness correction 7 100 kHz F8_2_2V_WB 1 0 2_2V range wideband input flatness correction 8 300 kHz F9_2_2V_WB 1 0 2_2V...

Страница 172: ...eband input flatness correction 7 100 kHz F8_7V_WB 1 0 7V range wideband input flatness correction 8 300 kHz F9_7V_WB 1 0 7V range wideband input flatness correction 9 1 MHz F10_7V_WB 1 0 7V range wid...

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