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Содержание 8021B

Страница 1: ...t revision letters it will be necessary for you to either update or backdate this manual Refer to the supplemental change errata sheet for newer assemblies or the backdating sheet in Appendix A for older assemblies 8021 B Digital Multimeter Instruction Manual P N 616037 July 1981 Rev 1 5 82 1982 John Fluke Mfg Co Inc all rights reserved Litho in U S A IFLUKE ...

Страница 2: ...d reliable instrument whose performance and design exhibit the qualities of a finely engineered lab instrument To fully appreciate and protect your investment we suggest you take afew moments to read the manual As always Fluke stands behindyour802IB with a full 2 year warranty and a worldwide service organization If the need arises please don t hesitate to call on us Thank you for your trust and c...

Страница 3: ...S 2 2 2 13 Input Overload Protection 2 6 2 15 Input Connections to COMMON 2 6 2 17 Fuse Check 2 6 2 19 Fuse Replacement 2 7 2 21 The Display 2 7 2 25 OPERATION 2 8 2 27 INITIAL CHECK OUT PROCEDURE 2 15 2 29 MEASUREMENT TECHNIQUES 2 16 2 31 AC Measurements 2 16 2 33 Voltage AC DC 2 16 2 36 Current AC DC 2 16 2 40 Resistance 2 19 243 Continuity 2 19 3 THEORY OF OPERATION 3 1 3 1 INTRODUCTION 3 1 3 3...

Страница 4: ...1 5 1 INTRODUCTION 5 1 5 4 HOW TO OBTAIN PARTS 5 1 6 OPTIONS AND ACCESSORIES 6 1 6 1 INTRODUCTION 6 1 6 3 DELUXE CARRYING CASE C 90 6 1 6 5 TEMPERATURE PROBES 80T 150C and 80T 150F 6 1 6 6 Introduction 6 1 6 8 Specifications 6 1 6 9 CURRENT TRANSFORMER 801 600 6 4 6 10 Introduction 6 4 6 12 Specifications 6 4 6 13 HIGH VOLTAGE PROBE 80K 6 6 4 6 14 Introduction 6 4 6 16 Specifications 6 4 6 17 HIGH...

Страница 5: ... 6 6 36 Introduction 6 6 6 38 Specifications 6 6 6 39 AC CURRENT TRANSFORMER Y8101 6 7 6 40 Introduction 6 7 6 42 Specifications 6 7 6 43 SAFETY DESIGNED TEST LEAD SET Y8132 6 7 6 45 DELUXE TEST LEAD SET Y8134 6 7 6 47 SLIM FLEX TEST LEAD SET Y8140 6 7 7 SCHEMATIC DIAGRAMS 7 1 A MANUAL CHANGE AND BACKDATING INFORMATION A 1 il l lV ...

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Страница 7: ... Capability of Resistance Ranges 2 21 4 1 List of Recommended Test Equipment 4 2 4 2 Resistance Checks 4 7 4 3 DC Voltage Checks 4 8 4 4 AC Voltage Test 4 9 4 5 DC Current mA Checks 4 9 4 6 Troubleshooting Guide 4 1 5 1 802 IB Final Assembly 5 3 5 2 A1 Main PCB Assembly 5 6 5 3 A2 Annunciator PCB Assembly 5 10 5 4 Federal Supply Codes for Manufacturers 5 12 6 1 A81 Model vs Input Power 6 5 ...

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Страница 9: ...12 2 9 Resistance fi Operation 2 14 2 10 Waveform Conversion 2 17 2 11 Voltage Measurement Error Calculations Loading Error 2 18 2 12 Current Measurement Error Calculations 2 20 3 1 Model 802 IB Simplified Block Diagram 3 2 3 2 Dual Slope A D Converter 3 4 3 3 Input Signal Conditioners 3 8 4 1 Calibration Adjustment Locations 4 3 4 2 LCD Display Assembly 4 4 5 1 8021 B Final Assembly 5 5 5 2 A Mai...

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Страница 11: ...les parallax etc Each range has Full auto polarity operation Overrange indication Effective protection from overloads and transients Dual slope integration measurement technique to ensure fast accurate noise free measurements Long term calibration stability 2 years Easy calibration few adjustments Lightweight 369 grams 13 ounces Up to 200 hours of continuous operation can be expected from a single...

Страница 12: ...C 80T 150F Temperature Probe F 801 600 Current Transformer 2 jaws 80K 6 High Voltage Probe 80K 40 High Voltage Probe 80J 10 Current Shunt 83RF High Frequency Probe 85RF High Frequency Probe Y8100 AC DC Current Probe Y8101 Current Transformer 7 16 jaws Y8132 Safety Designed Test Lead Set Y8134 Deluxe Test Lead Set Y8140 Slim Flex Test Lead Set Table 1 2 8021 B Specifications The following specifica...

Страница 13: ...bove 300V rms ac Common Mode Noise Rejection Ratio 1 kO unbalance 60 dB at 50 Hz and 60 Hz Volt Hz Product 107 max 200V 50 kHz Input Impedance 10 MQ in parallel with 100 pf DC CURRENT RANGE RESOLUTION ACCURACY FOR 2 YEARS BURDEN VOLTAGE 2 mA 20 mA 200 mA 2000 mA 1 jA 10 fjA 100 fjA 1 mA 1 of reading 1 digit 0 9V rms max Overload Protection 2A 250V fuse in series with a 3A 600V fuse RESISTANCE RANG...

Страница 14: ...INUITY Audible tone OPEN CIRCUIT No audible tone Response Time 50 ys Minimum duration of continuity or open to toggle audible tone on 2 kQ range Pulse stretcher holds tone on or off for approximately 200 ms Overload Protection 500V dc rms ac on all ranges 15 sec max above 300V AC CURRENT RANGE RESOLUTION ACCURACY FOR 2 YEARS BURDEN VOLTAGE 45 Hz TO 450 Hz 2 mA 1 A 3 of reading 3 digits 20 mA 10 fj...

Страница 15: ...cation per C for 0 C to 18 C and 28 C to 50 C 32 F to 64 4 F and 82 4 F to 122 F Relates solely to insulation or grounding properties defined in I EC 348 500V dc rms ac Single 9V battery NEDA 1604 200 hours typical 100 hours typical BT on display illuminates when approximately 20 of battery life remains 3 z digit LCD 2 000 count autozero autopolarity L x W x H 18 0 cm x 8 6 cm x 4 5 cm 7 1 in x 3 ...

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Страница 17: ...t is necessary please use the original shipping container If the original container is not available a new one can be obtained from the John Fluke Mfg Co Inc Please state the instrument model number when requesting a new shipping container 2 7 Battery and or Fuse Instailation Replacement 2 8 Your 802 IB is designed to operate on a single inexpensive 9V battery of the transistor radio calculator va...

Страница 18: ...he defective fuse with fuse type AGX2 instruments that accommodate metric fuses use type F 6 Disconnect the battery clip from the battery terminals 7 Press the battery clip onto the replacement battery and return both to the battery compartment 8 Make sure the battery leads are routed by the broad side of the battery and fully within the confines of the battery compartment before sliding the cover...

Страница 19: ...8021 Figure 2 1 Removing the Battery Cover Figure 2 2 Battery Removal 2 3 ...

Страница 20: ...Eliminator Connector An external input power connector for use with the Mode A81 Battery Eliminator accessory A81 is available in a variety of voltage and plug configurations See Section 6 3 Battery Compartment and Cover Cover for the 9V battery and the current protection fuses Refer to Figure 2 1 for battery cover removal instructions WO Input Connector Protected test lead connector used as the h...

Страница 21: ... or depressed it selects 0 The out position selects mA or V depending upon the location of the high input lead 8 Range Switches Interlocked push button switches for selecting ranges i e pressing the desired range switch selects that range and cancels previous switch depressions Do not pull switches to select a range Voltage 200 mV 2V 20V 200V 1000V dc 750V ac Current 2 mA 20 mA 200 mA 2000 mA Resi...

Страница 22: ...ety R2 is a fusible resistor Use exact replacement to ensure safety 2 14 Each measurement function and its associated ranges are equipped with input overload protection The overload limits for each function and range are given in Table 2 2 2 15 Input Connections to COMMON WARNING TO AVOID ELECTRICAL SHOCK AND OR INSTRUMENT DAMAGE DO NOT CONNECT THE COMMON INPUT TERMINAL TO ANY SOURCE OF MORE THAN ...

Страница 23: ...acement instructions 2 19 Fuse Replacement 2 20 All ac and dc current ranges are fuse protected Two series fuses are used FI 2A 250V replaceable at the battery compartment See section 2 Battery and or Fuse Installation Replacement 2 F2 3 A 600V backup fuse See section 4 Battery Backup Fuse Replacement 2 21 The Display 2 22 The Front Panel Display on your 8021B is a 3 1 2 digit Liquid Crystal Displ...

Страница 24: ...B is a rugged and reliable unit which will give years of satisfactory service Display life can be extended by observing the following practices 1 Protect the display from extended exposure to bright sunlight 2 Keep the voltmeter out of high temperature high humidity environments such as the dash of a car on a hot sunny day Otherwise the display may temporarily turn black Recovery occurs at normal ...

Страница 25: ...ment The 20V range is shown selected Insure that all other pushbuttons are at the out position WARNING TO AVOID ELECTRICAL SHOCK AND OR INSTRUMENT DAMAGE DO NOT CONNECT THE 8021 B TERMINALS TO SOURCES THAT EXCEED THE FOLLOWING LIMITS WHEN MEASURING DC VOLTAGE COMMON 500V DC AC RMS WITH RESPECT TO EARTH GROUND V O 1000V DC OR 750V AC RMS WITH RESPECT TO THE COMMON TERMINAL 9 Connect the Test Leads ...

Страница 26: ... desired range of measurement The 20V range is shown selected Insure that all other pushbuttons are at the out position TO AVOID ELECTRICAL SHOCK AND OR INSTRUMENT DAMAGE DO NOT CONNECT THE 8021 B TERMINALS TO SOURCES THAT EXCEED THE FOLLOWING LIMITS WHEN MEASURING AC VOLTAGE COMMON 500V DC AC RMS WITH RESPECT TO EARTH GROUND V fl 1 000V DC OR 750V AC RMS WITH RESPECT TO THE COMMON TERMINAL IN THE...

Страница 27: ...ed m Insure that ail other pushbuttons are at the out position TO AVOID ELECTRICAL SHOCK AND OR INSTRUMENT DAMAGE DO NOT CONNECT THE 8021 B TERMINALS TO SOURCES THAT EXCEED THE FOLLOWING LIMITS WHEN MEASURING DC CURRENT COMMON 500V DC OR AC RMS WITH RESPECT TO EARTH GROUND mA CURRENT OF 2 AMPS OR OPEN CIRCUIT VOLTAGE OF 600V DC AC RMS DO NOT ATTEMPT CURRENT MEASUREMENT WHERE THE POTENTIAL IS ABOVE...

Страница 28: ...Figure 2 7 Alternating Current AC mA Operation 2 12 ...

Страница 29: ...own selected insure that ali other pushbuttons are at the out position Make sure the device being measured contains no electrical energy WARNING TO AVOID ELECTRICAL SHOCK AND OR INSTRUMENT DAMAGE DO NOT CONNECT THE 80218 TERMINALS TO SOURCES THAT EXCEED THE FOLLOWING LIMITS WHEN MEASURING RESISTANCE COMMON 500V DC AC RMS WITH RESPECT TO EARTH GROUND V 0 500V DC OR AC RMS WITH RESPECT THE COMMON TE...

Страница 30: ...inuity mode is in operation Insure that all other switches are at the out or off position 9 Insure that the device being measured contains no electrical energy TO AVOID ELECTRICAL SHOCK AND OR INSTRUMENT DAMAGE DO NOT CONNECT THE 8021 B TERMINALS TO SOURCES THAT EXCEED THE FOLLOWING LIMITS WHEN MEASURING CONTINUITY COMMON 500V DC AC RMS WITH RESPECT TO EARTH GROUND V Q 500V DC OR AC RMS WITH RESPE...

Страница 31: ...robe tip to the COMMON input terminal and sequentially depress each of the six range switches starting at the top 20 Mft The display should read zero 1 digit and the decimal point should be positioned as follows a 20 M 0 00 b 2000 k 000 e 200 k 00 0 d 20 k 0 00 e 2k 000 f 200 n 00 0 5 Remove the probe from the COMMON input terminal 6 Depress the lower function button ft and sequentially depress ea...

Страница 32: ...t of error depends upon the amount of distortion Figure 2 10 shows the relationship between sine square and triangular waveforms and the required conversion factors To convert the display reading for a given input waveform to a known measurement value multiply the reading by the appropriate Display Multiplier 2 33 Voltage AC DC 2 34 The 8021 B is equipped with five ac and five do voltage ranges 20...

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Страница 34: ... on the 802 i B 2 mA 20 in A 200 mA and 2000 mA Each range is diode protected to 2 amps and fuse protected above 2 amps If a fuse blows refer to fuse check and replacement information given earlier in this section 2 38 In high electrical noise environments near ignition switches fiourescent lights relay switches etc unstable or erroneous readings exceeding specifications may occur The effect is mo...

Страница 35: ...dard pair of test leads 2 42 Three resistance ranges 2 kft 200 kft and 20 Mfl have a high enough open circuit voltage to turn on a silicon junction These ranges can be used to check silicon diodes and transistors The 2 kfl range is preferred for this function and is marked with a diode symbol On the three alternate ranges 200ft 20 kft and 2000 kft the full scale voltage is not high enough to turn ...

Страница 36: ...RDEN VOLTAGE 2 mA to 200 mA 0 3V 2000 mA 0 9V current error due to Burden Voltage En IN 100 X 5 Eg EB E B x IN mA ES Eb Example Eg 14V R L 9Q ly 1497 mA 1497 E b 100 x x 0 9 from Table 74 9 x 0 9 0 674V 674 674 Error in 1 00 100 5 06 14 674 13 326 Increase displayed current by 5 06 to obtain true current Error in mA 674 x 1497 _ 1009 _ 76 mA 14 674 13 326 Increase displayed current by 76 mA to obt...

Страница 37: ... duration of at least 50 us are detectable on ail continuity ranges A continuously intermittent connection Is heard as a series of beeps A series of beeps due to environmental noise is also encountered when a measurement is near the threshold of the selected range The approximate thresholds for the continuity ranges are as foilws RANGE THRESHOLD 200 nS 900 kilohms 2 mS 1 10 ohms 20 vm 900 kilohms ...

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Страница 39: ...so that an acceptable dc input level 0 2 to 0 2V dc is presented to the a d converter 3 6 Timing for the overall operation of the a d converter is derived from an external quartz crystal whose frequency is a multiple of the local line frequency This allows the conditioned dc input data to be integrated over a single line cycle thus optimizing both common mode and normal mode rejection 3 7 Digitize...

Страница 40: ...Figure 3 1 Mode 80218 Simplified Block Diagram 3 2 SIGNAL CONDITIONERS ...

Страница 41: ...ed for the remainder of the measurement cycle The stored level is used to provide offset voltage correction during the integrate and read periods 3 1 5 The integrate period begins at the end of the autozero period As the period begins the AZ switch opens and the 1NTEG switch closes This applies the unknown input voltage to the input of the a d converter The voltage is buffered and passed on to the...

Страница 42: ...Figure 3 2 Dual Slope A D Converter 3 4 INPUT VOLTAGE ...

Страница 43: ...Figure 3 2 Dual Slope A D Converter cont 3 5 ...

Страница 44: ... shunt may be either ac or dc depending upon the selected function mA AC or mA DC if the input current is dc and the dc function is selected the 1 R drop is passed through a low pass filter and presented as the unknown input to thea d converter However if the input current is ac and the AC function is selected the 1 R drop is rectified by the ac converter before going to the low pass filter in eit...

Страница 45: ...ity indication 3 30 Since the values of V source and R pull up vary with the selected range it is convenient to think of the 100 mV threshold as a resistance threshold The resistance threshold and the V source R pull up values for each continuity range are given in the following list RANGE R pull up V source VOLTS THRESHOLD RESISTANCE 200 ft 4 kilohms 1 2 volts 360 ohms 2 kil 3 kilohms 2 8 volts 1...

Страница 46: ...Figure 3 3 input Signal Conditioners 3 8 VOLTAGE MEASUREMENTS ...

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Страница 48: ...Figure 3 3 Input Signal Conditioners cont 3 10 RESiSTANCE MEASUREMENTS ...

Страница 49: ...8021B CONTINUITY CIRCUIT ...

Страница 50: ... mat there is a problem 2 Learning the guidelines for handling mem J Using the procedures and packaging and Dench techniques that are recommended Tfta Sialic Sensitive S S devices a e demised in he Fluke technical manual carts li st withthesymbol S he following practices should Be followed v m n ouowec 0 minimize damage to S S devices 2 KEEP PARTS IN ORIGINAL CONTAINERS UNTIL READY FOR USE HANDLE ...

Страница 51: ...E SOLDER SUCKERS SHOULD BE USED 10 ONLY GROUNDED TIP SOLDERING IRONS SHOULD BE USED Anti static Dags for storing S S devices or pcbs with these devices on them can be ordered from the John Fluke Mlg Co Inc See section5 in any Fluke technical manual for ordering instructions Use the following part numbers when ordering these special bags John Fluke Bag size part No 453522 6 x 3 453530 3 x 12 453548...

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Страница 53: ...t available instruments having equivalent specifications may be used 4 3 SERVICE INFORMATION 4 4 The 8021 B is warranted for a period of 2 years upon delivery to the original purchaser Conditions of the warranty are given at the rear of this manual 4 5 Malfunctions that occur within the limits of the warranty will be corrected at no charge Simply mail the instrument postpaid to your nearest author...

Страница 54: ... 10 MO Accuracy 0 025 Power Rating 3 1 8 watt ESI Model DB62 4 9 BACKUP FUSE F2 AND CALIBRATION ACCESS 4 10 Use the following procedure to access the 802 IB calibration adjustments 1 Set the power switch to OFF 2 Disconnect the test leads and the battery eliminator if attached 3 Open the battery compartment and disconnect the battery 4 Remove the three phillips head screws from the bottom of the c...

Страница 55: ...8021 2 Remove the screw from the shield then lift up 4 To reassemble the 802 IB logically reverse this procedure NOTE ESSS r power switch AC CAL DC CAL Figure 4 1 Calibration Adjustment Locations ...

Страница 56: ... h fens LCD 1 Z d LZ b rka UPS de d0Wn Md ap u against y r palm The ti sM r 7 7ZZ PCB edge connections must be thorough t fC nnec ions and assure proper display operation fpartk 4 15 LSI U1 ACCESS Drtr f0 0Wing Pr CCdUre ep ace the A D Converter and Dispiay I Remove the pcb assembly v as ng the component pcb access procedure 4 4 ...

Страница 57: ...install it until the pcb has been fully dried 4 18 Clean the front panel and case with a mild solution of detergent and water Clean dust from the circuit board with low pressure 20 psi dry air Contaminates can be removed from the circuit board with demineralized water and a soft brush remove the Display Assembly before washing and avoid getting excessive amounts of water on the switches Drywith cl...

Страница 58: ... 1 Select the ft function and the 20 kfl range The display should be blanked with the exception of the overrange indicator 1 in the left hand column and a decimal point in the center of the display 2 Connect a Decade Resistor between the V ft and COMMON input terminals 3 Set the Decade Resistor to 10 kft and verify a display of 10 00 3 digits 4 Sequentially increase the resistance in 1 1 1 kft ste...

Страница 59: ...roper operation of the continuity function 1 Select the f function and 2 kH range 2 Connect the test leads to the COMMON and V fl terminals 3 Depress the AC DC switch to activate the audible tone 4 Momentarily short the test leads together and observe that the tone sounds WARNING THE LOCAL LINE VOLTAGE IS USED IN THE FOLLOWING STEP BE CAREFUL NOT TO TOUCH THE PROBE TIPS WITH FINGERS OR ALLOW THE 1...

Страница 60: ...1 9V 1 894 to 1 906 5 20V 19V 18 94 to 19 06 6 200V 190V 189 4 to 190 6 7 1000V 1000V 997 to 1003 4 33 AC Voltage Test 4 32 The ac voltage ranges are checked for accuracy and operation using the following procedure WARNING CONNECT THE GROUND COMMON LOW SIDE OF THE AC CALIBRATOR TO COMMON ON THE MODEL 8021 B 1 Set the AC Calibrator for a zero volt ac output 2 Connect the AC Calibrator output to the...

Страница 61: ...ep 1 and set the DC Current Calibrator output to provide the corresponding 802 IB input current Verify that the display reading is within the limits shown 4 Execute and verify steps 2 through 4 of Table 4 5 using the procedure described in step 3 Table 4 5 DC Current mA Checks STEP CURRENT RANGE INPUT CURRENT DC DISPLAY READING 1 2 mA 1 9 mA 1 880 to 1 920 2 20 mA 19 mA 18 80 to 19 20 3 200 mA 190...

Страница 62: ...R9 for a display of 190 0 an occasional flash of 1 digit is acceptable 9 Execute the performance test given earlier to ensure that all fixed range resistors and other non adjustable components are operating within their specified limits 4 40 TROUBLESHOOTING CAUTION Static discharge can damage MOS components contained in the 8021 B 4 41 When troubleshooting or repairing the 8021 B use the precautio...

Страница 63: ... Minus sign improperly displayed U1 Display lit but does not respond to changes in input Reference VRl crystal Y1 A D Converter U1 RESISTANCE TEST Displayed reading is out of tolerance on at least one but not all ranges Range resistor Z1 Readings are noisy on all ranges Thermistor RT1 R2 open Readings are out of tolerance on high ohms RJ1 RJ2 RJ3 RJ4 damaged from severe overload Residual reading w...

Страница 64: ...ut of tolerance on ail ranges except 200 mV DC CURRENT TEST Input does not affect display Displayed reading is out of tolerance on one or more ranges CALIBRATION DC CAL pot at limit AC CAL pot at limit Range resistor Z1 23 24 R2 fusible resistor open Out of calibration AC AC converter defective AR1 R2 fusible resistor open Z1 Z3 24 AR1 Fuse FI and or F2 open CR1 CR2 If 2000 mA and 200 mA ranges ar...

Страница 65: ...commended Quantity This entry indicates the recommended number of spare parts necessary to support one to Five instruments for a period of two years This list presumes an availability of common electronic parts at the maintenance site For maintenance for one year or more at an isolated site it is recommended that at least one of each assembly in the instrument be stocked In the case of optional su...

Страница 66: ...tructions if necessary 5 6 To ensure prompt and efficient handling of your order include the following information 1 Quantity 2 FLUKE Stock Number 3 Description 4 Reference Designation 5 Printed Circuit Board Part Number 6 Instrument Model and Serial Number CAUTION Indicated devices are subject to damage by static discharge 5 2 ...

Страница 67: ... CO CM CO co in iruo in co oi m CM co in 0 co o xr o co CO 3 CO CTl O oia a m CM in ON CO vo t CM IA3 vO Zl H E o C C j r t on 0 ino r r 0 in 0 0 CO 4 4 vo in 10 r m3 co in cO cO 3 CO M3 cc cc co c On co r T a a CO 1 0 X X CM o vO X W h H w s on m j j z M X X cc 300 yj w cm 4 XX z W M o CO o X z z O 3 CO co 3 0 0 s o M 0 X Q a x 0 0 t as W 05 H O M 3h M a 4 1 cc 05 0 ti W M CO _J a x X c H J HM3 1...

Страница 68: ...8021 Table 5 1 8021 B Final Assembly cont 5 4 ...

Страница 69: ...8021 Figure 5 1 8021 B Final Assembly 5 5 ...

Страница 70: ... mt OOv O X X X 4 a vo VO vo ar ar on VOVO 4 4 4 1104 O N c co cm in in x o x VOC044 Ol 44 r rr ar 4 vo vo in O CMommcn m in cm cm cm cm in in no ro on on t n coco m to W 4J o O O O on on cm cm cm cm o o o t o g VO o m r o r o Wt CM O I w CM x o w ft ft O o o 03 03 ft ft K X X S WWW O O X ft a s x fe w no o o CM CM i c ws 4T o Q3 in ft W O j o co ft W E I X X CJ WWW OS ft5 W W O O M IW W W W W W W...

Страница 71: ...8021 Table 5 2 A1 Main PCB Assembly cont 5 ...

Страница 72: ...802 IB 5 8 ...

Страница 73: ...8021 Figure 5 2 A1 Main PCB Assembly 5 9 ...

Страница 74: ...omfcsa tio cmt 03 0103103 cm in o in in vo co cm co co 3 0133 CO CO r r 33 333 m a m sr 3 r c o 3fflo O o n 3 CO CO O 3 r m3 CO o m k i in o E W H CC o z o L3 H Z Cm 5 CC cu co o Q oT O 3 M O w J Cm o a e o bs o CM O W 1 J 3 cc o W 3 CJ E E CM M W Id cm o o O 05 w 3 a u 3 CM to os a w u o CO Q U _ 3 Z 3 3 3T 3 3 N SS T_ 3T S3 S3 S3 in r tn in in i ii i s v v S3 in bd i bd o CO o CM bd O 05 05 O 3 ...

Страница 75: ...8021 Figure 5 3 A2 Annunciator PCB Assembly 5 11 ...

Страница 76: ...Semiconductor Mountain View California 18736 Voltronics Corp Hanover New Jersey 19647 Caddock Electronics Inc Riverside California 22526 DuPont El DeNemours Co Inc Berg Electronics Div New Cumberland Pennsylvania 30035 Jol Industries Inc Garden Grove California 50157 Midwest Components Inc Muskegon Mississippi 51404 Corning Glass Works Medical Scientific Instruments Medfield Maryland 51406 Murata ...

Страница 77: ...Manufacturers cont 79727 C W Industries Warminster Pennsylvania 80031 Mepco Electra Corp Morristown New Jersey 84411 TRW Electronic Components TRW Capacitors Ogallala Nebraska 89536 John Fluke Manufacturing Co Inc Everett Washington 5 13 5 14 ...

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Страница 80: ... dc voltmeter to 6000 volts A 1000 1 voltage divider provides the probe with a high input impedance The divider also provides high accuracy when used with a voltmeter having a 1 0 megohm input impedance A molded plastic body houses the divider and protects the user from the voltage being measured 6 16 Specifications VOLTAGE RANGE 0 to 6 kV dc or peak ac INPUT IMPEDANCE 75 megohms nominal DIVISION ...

Страница 81: ...B 2 0 30V 2 0 30V 1 0 dB EXTENDED FREQUENCY RESPONSE Useful for relative readings from 20 kHz to 250 MHz RESPONSE Responds to peak value of input calibrated to read the rms value of a sine wave VOLTAGE RANGE 0 25 to 30V dc MAXIMUM DC INPUT 200V dc TEMPERATU RE CO EFFI Cl ENT 0 to 18 C 28 to 50 F 0 1 of ac to dc transfer ratio specifications per C INPUT CAPACITANCE 5 pF 6 25 HIGH FREQUENCY PROBE 85...

Страница 82: ...TITUTE A CALCULATOR TYPE BATTERY ELIMINATOR FOR THE A81 THESE UNITS DO NOT PROVIDE THE PROTECTION NECESSARY FOR COMMON MODE MEASUREMENTS UP TO 500V DC ALWAYS USE THE MODEL A81 FOR AC LINE OPERATION NOTE The BT indicator may come on when using the A81 This does not affect the operation of the 8021 B 6 31 CURRENT SHUNT 80J 10 6 32 Introduction 6 33 The Model 803 10 Current Shunt extends the current ...

Страница 83: ...ize AA cells It measures current to 200 A dc or ac rms using almost any voltmeter Two ranges 20A and 200A produce a 2V output at full range current 6 38 Specifications RANGES 20A ac or dc 200A ac or dc RATED OUTPUT 2V at full range ACCURACY DC to 200 Hz 2 of range 200 Hz to 1 kHz 100A add 3 reading 100 A add 6 reading CALIBRATION CYCLE 1 year FREQUENCY RESPONSE dc to 1 0 kHz RECOMMENDED LOAD 3 0 k...

Страница 84: ...is set will fit John Fluke instruments with safety designed input jacks 6 45 DELUXE TEST LEAD SET Y8134 6 46 The Y8134 is a deluxe test lead set The attachments provided allow interconnection with a wide variety of leads and electronic components Included in the kit are 1 Two test leads one red and one black The Y8 1 34 leads have shrouded banana connectors on each end 2 Two test probes 3 Two insu...

Страница 85: ...TABLE OF CONTENTS FIGURE TITLE PAGE 7 1 8021 B 7 2 7 2 U1 and U3 A D Converter and Display 7 6 ...

Страница 86: ...8021 B Figure 7 1 8021 7 2 ...

Страница 87: ...8021 Figure 7 1 80218 cont 7 3 ...

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Страница 89: ...8021 8021 B 1 201 Figure 7 1 8021 B coni 7 5 ...

Страница 90: ...7 6 ...

Страница 91: ...802 IB i I i I i i i i i jJ rVpC i I Vss I LIQUID CRYSTAL DISPLAY Figure 7 2 U1 and U3 A D Converter and Display 7 777 8 ...

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Страница 93: ...ted on a supplemental change errata sheet which when applicable is inserted at the front of the manual OLDER INSTRUMENTS To backdate this manual to conform with an earlier assembly revision level perform the changes indicated in Table A l CHANGES There are no backdating changes at this printing All pcb assemblies are documented at their original revision level Table A 1 Manual Status and Backdatin...

Страница 94: ...tify the JOHN FLUKE MFG CO INC or nearest Servicefaclfity giving full defaiis of the difficulty and include the model number type number and serial number On receipt of thi3 information service data or shipping instructions will be forwarded to you 2 On receipt of the shipping instructions forward the instrument transportation prepaid Repairs will be made at the Service Facility and the Instrument...

Страница 95: ...1 770 1670 301 792 7060 Baltimore Ml DatroM John F u e vtfg Co Inc 13955 faiming cm Rd Livoma Ml 48154 313 622 91 40 MN Mtoneapods John Puke Mfg Co tnc 7373 W i I47lh Slreet Suds 196 Appw Vafiey MN 55124 Si 432 9400 MO St Louie John Fluke Mia Co fee 300 Brookes Dr Suite 100 Hazelwood MC 63042 314 731 3388 MC Gre n ooro John Fluke M g Co fnc 1310 Beaman Place Greensoofo NC 27408 519 273 1918 NJ Par...

Страница 96: ...aileruo Denmark T rf 2 6581 1 TLX 35233 Ecuador Protoco Coasin Cio Uda Edihcio J Jeoco Ave 12 de Octubre 2285 y Avo Orellana Planta 3a a Quito Ecuador Tel 529604 TlX 2865 PrOtOC Ed Protoco Coasin Cia Ltda Caidemn 103V Maiecon Casilia 9733 Guayaquil Ecuador Tel 526093 Egypt and Sudan a Lotus Engineering Organisation P O Box 1262 22 Kafl El N l Cairo Egypr Tei 971617 TLX 92604 Eire Republic ot Irela...

Страница 97: ...LX 2315 Lebanon and Jordan a Maoek Electronics Division PO Box U 3823 Seoul Lebanon Tel 2S263 1 348728 TLX 22689 Libya Fluke Holland B V P O Box 5053 Zavenhouvelerweg 5004 E0 Tilburg Netherlands Ter 0 3 673973 Tlx 52237 Malay Rank O Connar 6 PTE Limited P Q Box 91 Polling Jaya Seiangor West Malaysia Tei 566599 TLX OCONOR MA37649 Rank O Connor PTE limited Lot No 5 Tam n Mesra Mile 3 Jalan Ponampang...

Страница 98: ...l MKl t i 578936 547 1 RepvbNc ot Singapore Ran O Connor s fPTEl Lie Raputjik ot Sooth Africa Italy S 1 H S P A a Vcupeco 50 70002 C nt5eiK BftSBn 3 Bi093 Spain Apa i ai 0 m Correos 40 Japan Jc n f ltrae Ufa Co tAC Jt an 8 ar cr I H wrvdiAia m COi Vo ciui j VS Japan Tei fOaSi an sae Korea eoci o Scteoc Karaa Co CrO l o 6 de Rm 07 Bow vt BWg 90 Cfotgto 5 Kl Chcogro iu Gtnti Korea 706 261 IC2 R nx O...

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Содержание 8021B

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