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Fluke 8600A User's Manual

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1. 6 1 6 5 CARRYING CASE C86 6 1 6 7 FRONT PANEL DUST COVER M00 100 714 4 Gu 1303 6 1 6 9 RACK MOUNTING KITS 6 1 6 10 Introduction 6 1 6 12 Installation Procedure Meus XN Moule Fes ML 6 2 6 16 DELUXE TEST LEAD KIT A80 MP P 6 2 6 18 CURRENT PROBE CLAMP ON 801 600 6 4 6 19 ee 6 4 6 21 Operation oes ue der SEIEN 64 6 23 HIGH VOLTAGE PROBE 80K 40 lw hr say 12 15 6 5 6 24 Introduction 2 6 5 6 26 Sp cifications n 2 52 2 a 6 5 6 27 Operation af ah te 6 5 6 29 HIGH FREQUENCY PROBE 1 M it ro 6 6 6 30 Introduction 2 2 2 6 6 6 32 Specifications lt a 2 2 so soa e oa 6 6 continued on page iii TABLE OF CONTENTS continued 1 77 6 33 6 36 6 38 6 41 6 50 6 51 6 53 6 54 6 56 6 59 6 60 6 62 6 64 6 66 6 69 6 80 6 81 6 83 6 85 Operating Notes Operation Theory of Operation Maintenance HIGH FREQUENCY PROBE SIRF Introduction Specifications Operation TEMPERATURE PROBE 80T 150 BATTERY PACK OPTION 01 Introduction Specifications Operation Theory of Maintenance DATA OUTPUT UNIT ION 02 Introduction S
2. LE AES ECH Figure 5 3 FRONT PANEL AND MAIN PCB ASSEMBLY 8600A 01 Battery Power 5 14 1 77 8600 DESCRIPTION DISPLAY PCB ASSEMBLY 8600 4002 373860 373860 Figure 5 4 Diode light emitting red 385914 Xstr Si NPN 218396 2N3904 Xstr Si PNP 340026 MPS6563 Xstr Si PNP 195974 2N3906 Res comp 560 5 147991 CB5615 Res comp 68 5 147918 CB6805 Res network 381376 381376 IC TTL decoder driver 340109 SN7447 AN Display LED 429936 Display LED 429928 29083 72 03032 4 Figure 5 4 DISPLAY ASSEMBLY 1 77 5 15 8600 DESCRIPTION BATTERY POWER SUPPLY PCB ASSY 01 Option 8600 4006 100VAC Version 378380 378380 115VAC Version 373837 373837 230VAC Version 378372 378372 Figure 5 5 Cap mylar 5 0uF 5 150V 364190 TYPE 439 P Used on 115V ac version Cap mylar 6 6uF 5 135V 394189 TYPE 439P Used on 100V ac version Cap metalized polypropylene 394197 394197 2 8uF 5 300V Used on 230V ac version Cap Ta 6 8uF 20 35V 363713 196D685X0035 Cap Ta 22uF 10 15V 182816 Cap cer 0 01uF 80 20 500V 105668 33C4186 Diode Hi speed switching 203323 1N4148 Choke 6 turn 320911 320911 Xstr Si NPN 330803 MPS6560 Xstr Si PNP 195974 2N3906 Res comp 1M 5 4W 182204 CB1055 Res comp 1 2K 5 4W 190371 CB1225
3. Figure 5 2 FRONT PANEL AND MAIN PCB ASSEMBLY 8600A Line Power 1 77 5 9 DESCRIPTION PART NO FRONT PANEL AND MAIN PCB ASSY 366906 8600A 01 Battery Power Main PCB Assembly Figure 5 3 Battery Ni Cad 1 2V 346924 346924 Cap polystyrene 0 022uF 10 100V 333823 863VW22391 Cap polycarbon 0 47uF 21095 100V 288860 X463VW47491 Cap cer 2 7pF 0 25pF 100V 363705 2222 63 1 09278 Cap var 0 25 1 5pF 0 25pF 200V 218206 530 000 10uF 20 20V 330662 1960106 0020 JA1 Cap polypropylene 0 47uF 4107 20V 363085 JF86 Cap cer 0 001uF 20 5 25 105635 29C300 Cap mylar 0 01uF 20 159996 663UW103 010 Diode rectifier Si 2A SOV 347559 1N5400 Diode Si 150 mA 203323 Zener reference set 377283 377283 Diode zener 291575 UZ8720 Diode zener 256446 IN755A Diode Si rectifier 1A 100V 343491 1N4002 Fuse Slow blow 4A 109322 MDL Relay telephone DPDT 357107 10 2662 2 Choke rf 100uH 111542 1537 76 5 10 1 77 DESCRIPTION Inductor 6 turn Xstr Si PNP Xstr Si NPN Xstr Si NPN selected Xstr J FET N channel Xstr J FET N channel Xstr J FET N channel Triac Res fxd comp 100K 4596 Res fxd WW card 0 1 0 05 Res comp 470K 5 Res comp 100K 5 2W Res WW 900 0 05 1 10W Res WW 90 0 0595 1 10W Res WW 9 0 05 1 10W Res WW card 1 0 05 Res met film 60 4K 4176
4. C80 Vinyl Carrying Case w strap C86 Molded Hard Shell Carrying Case A80 Deluxe Test Lead Kit 801 600 Clamp on AC Current Probe 2A to 600A High Voltage Probe 1 to 40kV RF Probe 100kHz to 100 MHz RF Probe 100 kHz to 500 MHz 80K 40 81RF 80 1 M00 100 714 00 200 611 00 200 612 00 200 613 Front Panel Cover Rack Mount Center Rack Mount Offset Left or Right Rack Mount Side by Side 1 8 Input power for the 86004 is switch selectable to provide operation at either 115 Vac or 230 Vac 50 Hz or 60 Hz The 8600 will also operate from 100 Vac 50 Hz or 60 Hz when in the 115V switch position The 8600 01 1 1 8600 battery power option is configured at the factory for 115 Vac or 230 Vac 50 Hz or 60 Hz line power operation The battery power option must not be operated from any other line voltage or frequency than that for which it is configured see decal on bottom of case The operation of the front panel controls is the same for all power configu rations of the 8600A 8600A 01 and 8600A 02 instruments 1 9 SPECIFICATIONS 1 10 Specifications for the Model 8600A are presented in Table 1 3 under headings of DC VOLTAGE AC VOLTAGE DC CURRENT AC CURRENT OHMS and GENERAL Specifications for each option are listed under the option heading Table 1 3 MODEL 8600A SPECIFICATIONS DC VOLTAGE Ranges Accuracy 200mVrange 2V 20V and
5. PIN 7 AS s R76 TO AC CONV PCB PIN 5 TO AC CONV PCB PIN 4 TO INPUT DIV PCB PIN 9 70 INPUT DIV PCB PIN 8 AC CONV PIN 3 OHMS CONV FIN I Y Y UG PIN 7 ux 7 2280 GET E 888 Neues Y NER I 8 3 3 2 FROM PIN 3 BATT 3 lt PWR SPLY PCB DISPLAY PCB 86004 4002 86004 1002 SEE SH 2 1 77 8600 75 CONVERTER PCB S600A 4004 1 MAT 1004 NOTES SEE SCHEMATIC 86004 00 BEB INDICATES ELEMENT OF RESISTOR NETWORK PN BV LE 15 2 O DENOTES SCREWDRIVER ADJUST 3 UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS AND ALL CAPACITANCES ARE IN MICROFARADS EE RELAY gt INDICATES ELEMENT OF PRECISION RESISTOR WEN NETWORK AN 3 1 5 Y ANALOG COMMON LOGIC COMMON OHMS IN SKE FROM FROM FROM REF ASSY DWG 8O600A 400 8600 401 5 zt e US 25 4 PIN38 FINZ PINGS 7 DENOTES CALIBRATION ADT POINTS 220K amp SEE SH 2 FOR LINE BATT PWR SUPPLY Qi 47 ASV Q23 2 5v 5v R87 4 7K FROM ROM 5y DOU CONNECTOR 14 PIN DIP SOCKET FIGURE 8 1 1 2 FRONT PANEL AND MAIN PCB ASSEMBLY 8600 1001 1 77 8 3 8600 8 4 rwESE COMPONENTS LOCATED ON PWR SPLY PCB 66004 4006 23 2
6. 8600 INPUT COMMON Figure 6 8 HIGH VOLTAGE PROBE SCHEMATIC 6 5 8600A Table 6 3 8600A RANGES FOR DC HV PROBE 80K 40 RANGE SELECTED VOLTAGE RANGE WITH 80K 40 PROBE 20 to 40 210 20 1102 6 29 HIGH FREQUENCY PROBE 80RF 1 6 30 Introduction 6 31 The Model 80RF 1 High Frequency Probe Figure 6 9 extends the frequency range of the 8600A to include 100 kHz to 500 MHz for ac voltage measurements from 0 25 to 30V rms The 80 1 operates in conjunc tion with the dc voltage ranges and is connected to the 8600 using a shielded dual banana plug and an adapter 6 32 Specifications Voltage 0 25V to 30V Response Responds to peak value of input Calibrated to read rms value of a sine wave input AC to DC Transfer Accuracy Loaded with 10 megohms 10 100 2 100 MHz 100 MHz 500 MHz 10 C to 30 5 7 10 to 40 7 15 lt 3 db at 10 kHz and 700 MHz Input Impedance 4 megohms shunted by 2 40 5 pf Maximum Input 30 volts rms ac 200 volts dc Cable Connections Shielded dual banana plug fits all standard inch dual banana connectors Cable Length 4 ft 121 9 cm minimum Weight 3 oz net Accessories Ground lead straight tip hook tip high frequency adapter 6 6 6 33 Operating Notes 6 34 straight and the hooked tips supplied with the probe are useful for making voltage measurements up to 100 MHz For measurements abo
7. TABLE OF CONTENTS continued SECTION TITLE PAGE 4 MAINTENANCE 4 ox 9 Y a 4 1 4 1 INTRODUCTION 2 4 1 4 3 SERVICE INFORMATION 4 1 4 6 GENERAL MAINTENANCE 4 2 4 7 Access Disassembly 2 4 2 4 10 Cleaning 3 2 De di 4 2 4 12 Fuse Bode LG g De n 4 2 414 PERFORMANCE TESTS 4 2 4 16 DC Voltage Test 4 2 4 18 Ohms Test via g Sa E STEG 4 2 4 20 DC Current Test 2 2 4 3 4 22 AC Voltage Test 4 3 4 24 CALIBRATION 4 3 4 25 Introduction 2 2 4 3 4 27 DC Volts Calibration 2 2 2 2 2 4 3 4 29 Ohms Calibration 2 2 2 2 20 0 4 5 4 31 AC Volts Calibration 2 2 4 5 433 TROUBLESHOOTING 4 5 4 35 Initial Troubleshooting 4 6 4 38 Power Supply Checks 4 6 4 40 Fault eee 4 7 5 LIST OF REPLACEABLE PARTS 2 2 5 1 5 1 INTRODUCTION 5 2 5 4 HOW TO OBTAIN PARTS 5 2 5 7 USE CODE EFFECTIVITY LIST 5 2 6 OPTIONS AND ACCESSORY INFORMATION 6 1 6 1 INTRODUCTION 6 1 6 3 5 80
8. 04946 Standard Wire and Cable Rancho Dominquez CA 05173 General Radio NY NY Replaced by 24655 Genrad INC Concord MA 05236 Jonathan Mfg Co Fullerton CA 05245 Corcom Inc Libertyville IL 05276 ITT Pomona Electronics Div Pomona CA 05277 Westinghouse Elec Corp Semiconductor Div Youngwood PA 05347 Ultronix Inc Grand Junction CO 05397 Union Carbide Corp Materials Systems Div Cleveland OH 05571 Sprague Electric Co Now 56289 05574 Viking Connectors Inc Sub of Criton Corp Chatsworth CA 05791 LYN TRON Burbank CA 05820 EG amp G Wakefield Engineering Wakefield MA 05839 Advance Electrical Chicago IL 05972 Loctite Corp Newington CT 06001 General Electric Co Electric Capacitor Product Section Columbia SC 06141 Fairchild Weston Systems Inc Data Systems Div Sarasota FL 06192 La Deau Mfg Co Glendale CA 06229 Electrovert Inc Eimsford NY 06383 Panduit Corp Tinley Park IL 06473 Bunker Ramo Corp Amphenol NA Div SAMS Operation Chatsworth CA 06540 Mite Corp Amatom Electrical Div 06555 Beede Electrical Instrument Penacook NH 06665 Precision Monolithics Sub of Boums Inc Santa Clara CA 06666 General Devices Co Inc INpolis IN 06739 Electron Corp Littleton CO 06743 Gould Inc Foil Div Eastlake OH 06751 Components Inc Semcor Div Phoenix AZ 06776 Robinson Nugent Inc New Alban
9. Amatrom Div Santa Clara CA 52840 Western Digital Corp Costa Mesa CA 53021 Sangamo Weston Inc See 06141 53036 Textool Co Houston TX 53184 Xciton Corp Lathan NY 53217 Technical Wire Products Inc Santa Barbara CA 53342 Opt Industries Inc Phillipsburg NJ 53673 Thompson CSF Components Corp Semiconductor Div Conaga Park CA 53718 Airmold W Grese amp Co Roanoke Rapids NC 3848 Standard Microsystems Hauppauge NY 53894 AHAM Inc RanchoCA CA 53944 Glow Lite Pauls Valley 54178 Plasmetex Industries Inc San Marcos CA 54294 Shallcross Inc Smithfield NC 54453 Sullins Electronic Corp San Marcos CA 54473 Matsushita Electric Corp Panasonic Secaucus NJ 54492 Cinch Clamp Co Inc Santa Rosa CA 54583 TDK Garden City NY 54590 RCA Cop Distribution amp Special Products Cherry Hill NY 54869 Piher International Corp Arlington Heights IL 54937 DeYoung Mfg Bellevue WA 54590 RCA Corp Electronic Components Div Cherry Hill NJ 55026 American Gage amp Machine Co Simpson Electric Co Div Elgin IL 55112 Plessey Capacitors Inc Now 60935 55261 LSI Computer Systems Inc Melville NY 55285 Bercquist Co Minneapolis MN 55322 Samtech Inc New Albany IN 55408 STI CO Industries Co Buffalo NY 55464 Central Semiconductor Corp Hauppauge NY 55557 Microwave Diode Corp W Stewarstown NH
10. C1 R1 R3 100pf 825K selected Figure 6 10 80RF 1 SCHEMATIC AC SIGNAL SOURCE 50 OHM FEED THRU PROBE 80 RF 1 N CONNECTION BNC ADAPTER 8600A as a dc blocking capacitor diode CR1 is used as a detector and resistors R1 R2 R3 and form a divider network During the negative half cycle of the ac input voltage C1 charges through to the negative peak value of the input signal This negative charge path provides the zero reference for the dc output signal During the positive half cycle of the input signal the charge on C1 is added to the peak value of the positive input to produce a positive peak peak voltage at the junction of C1 and CR1 The divider network scales this voltage to provide a dc output voltage which is equal to the rms value of the input signal 6 40 Diode CR2 compensates for non linearity of the detector and R3 is a selected part having a value of 50 to 100 6 41 Maintenance 642 PERFORMANCE TEST 643 The low and high frequency tests given below are used to verify the ac to dc transfer accuracy of the 80RF 1 High Frequency Probe 644 LOW FREQUENCY RESPONSE 645 Connect equipment as shown in Figure 6 11 and perform the following steps CONNECTION A 1 1 i t 1 1 1 1 1 1 M Figure 6 11 LOW FREQUENCY RESPONSE CHE
11. Overload Response Time OHMS Ranges Ranging 1 77 50 Hz 10 kHz 0 3 of input 0 08 of range all ranges except 2000 mA range 50 Hz 5 kHz 30 Hz 50 Hz 0 6 of input 0 1 of range all ranges X 0 01596 of input 0 005 of range C 0 25V maximum up to 200mA 0 5V maximum at 2A Protected to 2A on all ranges fused above 2A 1 sec max to rated accuracy 2002 2 9 20 200 2000 20 Full autoranging or manual ranging 8600 Table 1 3 MODEL 8600A SPECIFICATIONS Accuracy 6 Months 15 C to 35 2002 range KO eh te 20 to 2000 ranges 20 Temperature Coefficient 2kQ to 2000 kQ ranges 200 2 and 20 range Configuration Overvoltage Protection Maximum Open Circuit Voltage Response Time 200 2 to 2000 kQ ranges 20 MQ range Current Through Unknown GENERAL Display Size Weight Operating Temperatures Storage Temperature Humidity Range Overload Indication Maximum Common Mode Voltage Power BATTERY PACK OPTION 01 Continuous Operation Charge Time DATA OUTPUT UNIT DOU OPTION 02 Available Data Data Coding Logic Levels Drive Capability Flags Controls 0 1 of input 0 015 of range 0 1 of input 0 005 of range 0 05 of input 0 005 of range 0 2 of input 0 005 of range 0 003 of input 0 0005 of range C 0 005 of input
12. S S G 2 o N o pvo jo ja Jo jo 4 5 RESISTANCE VALUES FOR ANE PINS VALUE 6 11 68 PA 5 5 12 00068 2 DISPLAY SEGMENTATION 4 13 68 rm 3 4 68 X f lt 2 5 68 8 9 6 B 6 1 270 NOTE 1 UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHM 2 REFERENCE ASSY DWG 86004 4002 FIGURE 8 2 DISPLAY PCB ASSEMBLY 8600A 1002 8 7 8600 5V 56 025 FROM Spt VY 7 ONERE 3 4 A88 59K 684 R72 20K 52 025 I CRI7 ADT V 5 FROM ANALOG COM FROM 15v PWR SPLY gt sv 20v FROM I5V PWR SPLY gt gt 2 7 15vV K7 V FROM RELAY gt gt C33 025 RANGE 5 T T 1 FROM U9 FROM U9 FROM U9 PIN PIN 2 HOW 1 77 E CLI A40 Q7 OR 240 e CAI R32 R33 15K 15K R26 2 2K 5v V R46 E gt 498 9K C9 7 91 SOKH 27 pt aD Z 4 0 9 487 L5 1 5pt 17 Cio 4 E gt R47 E gt 55 5K 4 787K R38 400pf 250 9100 pF REF DES NOT USED 3 4 8 2 31 4 6 10 13 15 12 18 24527 313 41 42 44 4 476 78 80 I w wos yA 1 77 8600 UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS AND ALL CAPACITANCES ARE IN MICROFARADS gt FIVE FC MATCHED RESISTOR SET Q DENOT
13. 08806 General Electric Co Minature Lamp Products Cleveland OH 08863 Nylomatic Fallsington PA 08988 Skottie Electronics Inc Archbald PA 09021 Airco Inc Airco Electronics Bradford PA 09023 Cornell Dublier Electronics Fuquay Varina NC 09214 General Electric Semiconductor Products Dept Aubum NY 09353 C and K Components Inc Newton MA 09423 Scientific Components Inc Santa Barbara CA 09922 Bumdy Corp Norwalk CT 09969 Dale Electronics Inc Yankton SD 09975 Burroughs Corp Electronics Components Detroit MI 1A791 LFE Electronics Danvers MA 1B715 United Shoe amp Nylock Corp Nylock Fastener Corp Paramus NJ 10059 Barker Engineering Corp Kenilworth NJ 10389 IL Tool Works Inc Licon Div Chicago IL 11236 CTS Corp Resistor Products Div Beme IN 11237 CTS Corp of CA Electro Mechanical Div Paso Robles CA 11295 ECM Motor Co Schaumburg IL 11358 Columbia Broadcasting System CBS Electronic Div Newburyport MA 11403 Vacuum Can Co Best Coffee Maker Div Chicago IL 11502 can also use 35009 TRW Inc TRW Resistive Products Div Boone NC 11503 Keystone Columbia Inc Freemont IN 11532 Teledyne Relays Teledyne Industries Inc Hawthome CA 11711 General Instrument Corp Rectifier Div Hicksville NY 11726 Qualidyne Corp Santa Clara CA 12014 Chicago Rivet amp Machine Co Naperville IL 12020
14. 1 8W Res met film 30 1K 419 1 8W Res met film 90 9K 1 1 8W Res var cer 500 10 AW Res matched set 3 piece Res comp 10K 5 Res met film 22 1 1 1 8W 320911 195974 159855 352138 370072 357897 357889 413013 148189 374611 188441 285056 357483 357517 357525 356097 291419 168286 223537 325613 375782 148106 235234 8600A MFG PART NO 320911 2N3906 523030 352138 4393 2691 413013 1045 374611 4745 1045 357483 357517 357525 356097 1 86042 MFF1 83012F MFF1 89092F 360T501A 375782 CB1035 MFF1 82212F 8600 5 12 DESCRIPTION Res comp 56K 5 4W Res met film 8 06K 1 1 8W Res met film 2K 1 1 8W Res comp 4 7M 5 Res met film 200K 419 1 8W Res comp 10 5 14W Res 2 7M 5 Res comp 22K 5 Res comp 4 7K 5 Res comp 5 4W Res comp 220 5 Res network 15 piece Switch assembly push button Xfmr power IC operational amp yellow dot IC operational amp red dot IC linear ampl IC hex buffer converter See Final Assembly IC bipolar ROM IC digital C MOS 2 channel multiplexer IC digital C MOS Quad switch 9 Battery holder Fuse holder Crystal 1 000 MHz Battery polarity label Connector post Connector post Contact battery 170738 294942 23522
15. 49 089 9605 260 7 13 7 14 8600 M M Section 8 schematic Diagrams m TABLE OF CONTENTS FIGURE NO NAME DRAWING NO PAGE 8 1 Front Panel and Main PCB Assembly 2 sheets 8600A 1001 8 3 82 Display PCB Assembly 8600A 1002 8 7 8 3 AC Converter PCB Assembly 8600A 1003 8 9 84 Ohms Converter PCB Assembly 8600A 1004 8 11 8 5 Battery Power Supply PCB Assembly Option 01 8600 1006 8 13 8 6 Data Output Unit PCB Assembly Option 02 8800A 1005 8 15 6 75 8 1 8600 8 2 3 INPUT DIVIDER PCB 86004 4005 7 PSR gt E voc H4 5 6 87 3 90vDC ADT 4 000VDC ADT ra INPUT HI NPUT LO CURRENT INPUT HI CURRENT INPUT LO ML 5 GED 52 53 54 Ka 55 225 gt 57 58 59 gt 510 Qn 5 5 2 900K 500 90K 4 y RELAY COM R20 20K E lt gt z 5 OHMS ad Li 6 39 FROM Q2 d EMITTER ssc 52 24 5 100K 47pt AT PCB 8600A 4003 SEE SCHEMATIC 9500 1003 9 gt 2 AC CONV OUTPUT gt gt IN 900 FROM US PIN LEDD v RANGE i FROM US PIN 2 HD gt RANGE 90 FROM US 7 gt gt 12000 RANGE Dc 15 14 100w4h 9 RELAY COM 8 6 35 0 8992 v TO INPUT DIV
16. 80K 40 DOU Data Identification List of Abbreviations amp Symbols Federal Supply Codes For Manufacturers Fluke Technical Service Centers International Service Center Sales Representatives Domestic Sales Representatives International vi PAGE 1 1 1 1 12 22 23 3 5 3 5 44 42 4 3 4 3 4 3 4 5 4 5 4 6 47 4 8 4 10 441 62 6 5 6 6 6 12 72 73 77 7 7 7 8 7 9 1 77 8600 Section 1 Introduction amp Specifications 1 1 INTRODUCTION 1 2 The Model 8600 is a compact and light weight digital multimeter DMM It features a 4 digit display push button selection of range and function auto polarity self locating decimal point self zeroing to eliminate offset uncertainties and overload protection for all ranges Auto ranging can be selected when the ac volts dc volts or kil ohms functions are selected Several options and accessor ies for the 8600A are available see Section 6 1 3 Push button controls allow the selection of five ac and dc voltage ranges five ac and dc current ranges and six resistance ranges The measurement capabilities of the 8600 range from 10 microvolts to 1199 9 volts ac and dc 10 nanoamperes to 1 9999 amperes ac and dc and 10 milliohms to 19 999 megohms 14 The front panel readout features a 4 digit display using light emitting diodes LED s The display include
17. CURRENT SHUNT 3 34 The Current Shunt produces an output voltage ac or dc proportional to the current ac or dc applied to the input A schematic diagram of the Current Shunt is located in Figure 8 1 3 35 The Current Shunt consists of series connected shunt resistors R13 R14 R15 R16 and R2 contacts of range switches S6 through 510 and input protection com ponents F1 CR1 CR2 CR6 and CR8 The input current is applied across a portion of the shunt resistor network via contacts of the selected range switch The voltage developed by the current flow through the shunt resistance for direct current inputs is applied to the A D Converter for alternat ing current the developed ac voltage is applied to the AC Converter 3 36 The Current Shunt is not only protected against inputs exceeding two amperes as provided by fuse F1 it is also protected from possible damage caused by an overrange input Diodes CR1 CR2 CR6 and CR8 will start to con duct if the voltage drop across the shunt resistors exceeds 1 2 volts 3 37 A D Converter 3 38 The A D Converter uses a dual slope conversion technique The dc voltage at the input of the A D Con verter is integrated charges a capacitor for a controlled amount of time 100 ms The level to which the capacitor is charged is directly proportional to the level of dc voltage applied to the input The charged capacitor is then discharg ed at a controlled rate so that the discharge time
18. Cannon Electric Woodbury TN 31827 Budwig Ramona CA 31918 ITT Schadow Eden Prairie MN 32293 Intersil Cupertino CA 32539 Mura Corp Westbury Long Island N Y 32559 Bivar Santa Ana CA 32719 Siltronics Santa Ana CA 32167 Griffith Plastics Corp Burlingame CA 32879 Advanced Mechanical Components Northridge CA 32897 Murata Erie North America Inc Carlisle Operations Carlisle Pennsylvania 32997 Boums Inc Trimpot Div Riverside 33025 M A ComOmni Spectra Inc Replacing Omni Spectra Microwave Subsystems Div Tempe AZ 33096 CO Crystal Corp Loveland CO 33173 General Electric Co Owensboro KY Manufacturers cont 33246 Epoxy Technology Inc Billerica MA 33292 Pioneer Sterilized Wiping Cloth Co Portland OR 33297 NEC Electronics USA Inc Electronic Arrays Inc Div Mountain View CA 33919 Nortek Inc Cranston RI 34114 Oak Industries Rancho Bemardo CA 34263 CTS Electronics Corp Brownsville TX 34333 Silicon General Inc Garden Grove CA 34335 Advanced Micro Devices AMD Sunnyvale CA 34359 MN Mining amp Mfg Co Commercial Office Supply Div Saint Paul MN 34371 Harris Corp Harris Semiconductor Products Group Melboume FL 34576 Rockwell International Corp Newport Beach CA 34641 Instrument Specialties Euless TX 34649 Intel Corp Santa Clara CA 34802 Electromotive Inc Kenilworth NJ 34848 Ha
19. 0 001 of range C Two wire 250V rms or dc applied continuously 5 volts 1 second maximum to displayed input 4 seconds maximum to displayed input E Seven segment LED 3 character height automatic decimal location 8 55 wide 2 52 high 10 65 deep See Figure 1 1 21 72 cm x 640 cm x 27 05 3 5 Ibs 1 6 kg line power 4 5 Ibs 2 1 kg with batteries 0 to 50 C 40 to 75 C 40 C to 60 C with batteries 80 RH 5 C to 35 C 70 RH 35 C to 50 C Flashing display of 18888 built in segment test of LED display for out of range indication 1000V or peak ac 100 115 230V ac 10 50 or 60 Hz 7 watts line powered 10 watts battery powered 8 hours typical 6 hours minimum 16 hours maximum O lt 30 C ambient to achieve full charge Digits polarity both logic senses range and reference output 8 4 2 1 BCD positive true parallel 1 5V 0 0V All output can drive a minimum of two TTL loads i e sink 3 2 mA Busy busy and overload External trigger positive going edge trigger and External trigger enable 1 77 8600A 8 55 in 21 72 cm 7 50 in 19 05 cm 10 65 in 27 05 cm 9 90 in 25 15 cm 16 40 cm Figure 1 1 MODEL 8600A OUTLINE DRAWING 1 5 1 6 8600 Section 2 Operating Instructions 2 1 INTRODUCTION 2 2 This section of the manual contains information re garding installation and operatio
20. 00V 3189 95 to 190 05V 1000 0V 999 7 to 1000 3V 17000V 169 91 to 170 09mV 1 7000V 1 6996 to 1 7004V 17 000V 16 996 to 17 004V 170 00V 169 96 to 170 04V 999 7 to 1000 3V 1 77 Table 4 3 OHMS PERFORMANCE TEST 8600A INPUT 8600A DISPLAY RANGE REQUIRED LIMITS SHORT 00 00 to 00 03 100 002 99 87 to 100 13 1 0000 9 9989 to 1 0011 10 000kQ 9 994 to 10 006 100 00kQ 99 94 to 100 06 1000 0k82 999 4 to 1000 6 10 000MQ 9 979 to 10 021 OPEN 18 888 Flashing 20MQ LED lit 4 20 DC Current Test 4 21 Using the dc current calibrator check Table 4 1 for correct calibrator sequentially apply the values of current indicated in Table 4 4 to the 8600A MA input terminals and select the ranges prescribed The 8600A should display a reading within the indicated limits Table 4 4 DC CURRENT PERFORMANCE TEST 00 05 to 100 05 190 00 uA 189 79 to 190 21 1 9000 mA 1 8979 to 1 9021 19 000 mA 18 979 to 19 021 190 00 mA 189 79 to 190 21 1 9000 1897 9 to 1902 1 NOTE Because the current measurements of ac and dc are made using the same shunt resistors a check of ac current is not made 4 22 Voltage Test 4 23 Using the ac voltage calibrator apply the ac vol tages indicated in Table 4 5 to the 8600A V Q input ter minals and select the ranges prescribed The 8600A should display a reading within the indicated limits 4 24
21. 801 600 High Current Probe 80K 40 High Voltage Probe Schematic 80RF 1 High Frequency Probe 80RF 1 Schematic Low Frequency Response Check High Frequency Response Check High Frequency Probe 81 RF DOU Timing Diagram Front Panel and Main PCB Assembly 2 sheets Display PCB Assembly AC Converter PCB Assembly Ohms Converter PCB Assembly Battery Power Supply PCB Assembly Option 01 Data Output Unit PCB Assembly Option 02 8600A PAGE 6 1 6 2 6 3 6 4 6 4 6 4 6 5 6 5 6 6 6 7 6 7 6 8 6 9 6 12 8 3 8 7 8 9 8 11 8 13 8 15 8600A List of Tables TABLE 1 1 1 2 1 3 2 1 2 2 3 1 3 2 44 4 2 4 3 44 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 6 1 6 2 6 3 6 4 7 1 7 2 73 7 4 7 5 7 6 TITLE 8600A Options 8600A Accessories Model 8600 Specifications 8600A Controls Indicators and Connections Basic Measurement Instructions Ohms Converter Operating Conditions AC Converter Relay Operation Required Test Equipment DCV Performance Test Ohms Performance Test DC Current Performance Test ACV Performance Test DC Volts Calibration Procedure Ohms Calibration Procedure AC Volts Calibration Procedure Fault Area Indication Input Divider Test Operation of U8 with Respect To A D Converter Range Information Rack Mounting Kits ee 8600A Ranges For Current Probe 801 600 8600A Ranges For DC HV Probe
22. A D analog to digital Converter and the third is the Control and Display section 3 10 When making a resistance measurement the un The basic operational relationship of these functional areas known resistance connected across the input is supplied will be discussed in the following paragraphs with a known value of current by the ohms converter and input divider The voltage drop across the unknown 3 6 Input Signal Conditioners resistance is then applied to the A D converter as a direct representation of that resistance The input divider is 3 7 The term input signal conditioner describes the used to change the amount of current applied to the un basic function of the four subsections grouped under it known resistance when different ranges are selected The input divider current shunts ohms converter and ac converter provide the A D converter with a dc analog volt 3 11 When making current measurements ac or dc age representative of the input ac volts dc volts ac cur the unknown current is applied directly via the MA rent dc current or resistance applied to the instrument INPUT terminals to the current shunt The unknown The path that each input signal follows as it is conditioned current is directed via the range switch contacts through for the A D converter is illustrated in Figure 3 1 a precision resistor network so that the voltage developed 1 77 3 1 8600 INPUT SIGNAL CONDITIONERS 200 mV 2V amp 0
23. AND ALL CAPACITANCES ARE IN MICROFARADS E gt CAPACITOR VALUE SELECTED FOR AC LINE VOLTAGE 1 5 230 ete 3 REF ASSY DWG 8600A 4006 4 ANALOG COMMON LOGIC COMMON REF DES NOT USED HIGHEST REF DES ck 206 FIGURE 8 5 BATTERY POWER SUPPLY PCB ASSEMBLY OPTION 01 8600A 1006 1 77 8 13 8600 GUARD FROM KEW e SECONDARY rx OF PWR XFMR ve n Hat 5 5 GND LOGIC SUPPLY 10 sv LOGIC SUPPLY HIGH 801 va 4 w 8 NOTES UNLESS OTHERWISE SPECIFIED ALL RESISTANCE VALUES IN OHMS TOL 15 2 ALL CAPACITANCE VALUES IN MICROFARADS B gt UIS5 15 NOT REQUIRED 8600A gt PART OF RN I RESISTOR NETWORK 5 gt PART OF US gt PART OF 06 gt gt JUMPER AS REQUIRED 8 SEE SBBOOA 4005 FOR ASSY i 8 14 1 77 8600 E WHEN HIGH NOT USED ARM INPUT ARM ENABLI FREE RUN We z ws Ws a X2 b Ya Ys EEE 2 on gt ETT Ter 2 5 220 RN I DETAIL ms ifr 4 8 Sy JE 8 2 TRIG SYNC CKT 4 3 22 3 Es 8 15 8 16 FIGURE 8 6 DATA OUTPUT UNIT PCB ASSEMBL Y 02 OPTION 88004 1005 1 77
24. CALIBRATION 4 25 Introduction 4 26 The 8600A should be calibrated every 6 months or whenever repairs have been made to insure the instrument continues to operate at its rated accuracy After calibration is completed the DC current performance test paragraph 1 77 8600 4 20 should be run through to verify the functioning and accuracy of the current dividers The calibration should be performed under the following environmental conditons ambient temperature of 23 5 and a relative humidity of less than 80 Refer to Table 4 1 for the recommended test equipment Calibration adjustment locations are pictured in Figure 4 1 Perform the follow ing preliminary steps before calibrating the instrument a Remove the instrument from the case b Connect the 8600A to the appropriate 115V ac or 230V ac line power Turn the instrument on and allow it to warm up for a minimum of 15 minutes d Insure that the ac and dc calibrators are up to their normal operating temperatures NOTE Use only non metalic adjustment tools Table 4 5 PERFORMANCE TEST QUENCY Hz INPUT REQUIRED 8600A DISPLAY LIMITS 190 00 mV 190 00 mV 39 00 mV 1 9000 V 188 05 to 191 95 mV 189 46 to 190 54 mV 38 60 to 39 40 m 1 8959 to 1 9041 V 9000 V 8979 to 9021 V 1 9000 V 1 8900 to 1 9100 V 1 9000 V 1 8800 to 1 9200 V 1 0000 V 9945 to 1 00
25. Erie PA 73138 Beckman Industrial corp Helipot Div Fullerton CA 73168 Fenwal Inc Ashland MA 73293 Hughes Aircraft Co Electron Dynamics Div Torrance CA 73445 Amperex Electronic Corp Hicksville NY 73559 Carlingswitch Inc Hartford CT 73586 Circle F Industries Trenton NJ 73734 Federal Screw Products Inc Chicago IL 73743 Fischer Special Mfg Co Cold Spring KY 73893 Microdot Mt Clemens MS 73899 JFD Electronic Components Div of Murata Erie Oceanside NY 73905 FL Industries Inc San Jose CA 73949 Guardian Electric Mfg Co Chicago IL 74199 Quam Nichols Co Chicago IL 74217 Radio Switch Co Marlboro NJ 74306 Piezo Crystal Co Div of PPA Industries Inc Carlisle PA 74445 Holo Krome Co Elmwood CT 74542 Hoyt Elect Instr Works Inc Penacook NH 74840 IL Capacitor Inc Lincolnwood IL 74970 Johnson EF Co Waseca MN 75042 TRW Inc IRC Fixed Resistors Philadelphia PA 75297 Kester Solder Div Litton Systems Inc Des Plaines IL 75376 Kurz Kasch Inc Dayton OH 75378 CTS Knights Inc Sandwich IL 75382 Kulka Electric Corp Now 83330 Mount Vemon NY 75569 Performance Semiconductor Corp Sunnyvale CA 75915 Littelfuse Tracor Formerly Tracor Littelfuse Des Plaines IL 76854 Oak Switch Systems Inc Crystal Lake IL 71122 TRW Assemblies amp Fasteners Group Fastener Div Moutainside NJ 71342 AMF
26. Inc Potter amp Brumfield Div Princeton IN 77542 Ray O Vac Corp Madison WI 71638 General Instrument Corp Rectifier Div Brooklyn NY 77900 Shakeproof Lock Washer Co Now 78189 71969 Rubbercraft Corp of CA Ltd Torrance CA 78189 IL Tool Works Inc Shakeproof Div Elgin IL 78277 Sigma Instruments Inc South Braintree 78290 Struthers Dunn Inc Pitman NJ 78553 Eaton Corp Engineered Fastener Div Cleveland OH 7 9 78592 Stoeger Industries South Hackensack NJ 79497 Western Rubber Co Goshen IN 79721 C W Industries Southampton PA 79963 Zierick Mfg Corp Mount Kisco NY 8 798 Ken Tronics Inc Milan IL 8D528 Baumgartens Atlanta 8F330 Eaton Corp Cutler Hammer Product Sales Office Mountain View CA 8T100 Tellabs Inc Naperville IL 80009 Tektronix Beaverton OR 80031 Mepco Electra Inc Morristown NJ 80032 Ford Aerospace amp Communications Corp Western Development Laboratories Div Palo Alto CA 80145 LFE Corp Process Control Div Clinton OH 80183 Sprague Products Now 56289 80294 Boums Instruments Inc Riverside CA 80583 Hammerlund Mfg Co Inc Paramus NJ 80640 Computer Products Inc Stevens Amold Div South Boston MA 81073 Grayhill Inc La Grange IL 1312 Litton Systems Inc Winchester Electronics Div Watertown CT Federal Supply Codes for Manufacturers cont 81439 Therm
27. Ovenai Div of Electronic Technologies Charlottesville VA 12038 Simco Div of Ransburg Corp Hatfield PA 12040 National Semiconductor Corp Danbury CT 7 3 12060 Diodes Inc Northridge CA 12136 PHC Industries Inc Formerly Philadelphia Handle Co Camden NJ 12300 AMF Canada Ltd Potter Brumfield Guelph Ontario Canada 12323 Practical Automation Inc Shelton CT 12327 Freeway Corp Cleveland OH 12406 Elpac Electronics Inc Santa Ana CA 12443 Budd Co The Plastics Products Div Phoenixville PA 12581 Hitachi Metals Inernational Lid Hitachi Magna Lock Div Big Rapids MO 12615 US Terminals Inc Cincinnati OH 12617 Hamlin Inc LaKe Mills WI 12673 Wesco Electrical Greenfield MA 12697 Clarostat Mfg Co Inc Dover NH 12749 James Electronic Inc Chicago IL 12856 MicroMetals Inc Anaheim CA 12881 Metex Corp Edison NJ 12895 Cleveland Electric Motor Co Cleveland OH 12954 Microsemi Corp Components Group Scottsdale AZ 12969 Unitrode Corp Lexington MA Federal Supply Codes for Manufacturers cont 13050 Potter Co Wesson MS 13103 Thermalloy Co Inc Dallas TX 13327 Solitron Devices Inc Tappan NY 13511 Bunker Ramo Corp Amphenol Cadre Div Los Gatos CA 13606 Sprague Electric Co Use 56289 13689 SPS Technologies Inc Hatfield NJ 13764 Micro Plastics Flippin AZ 13919 Burr Brown Research Corp
28. Res comp 22 5 147884 CB2205 Res comp 82K 5 4W 160796 CB8225 Res met film 4 53K 1 1 8W 260331 MFF1 84531F Res met film 16 9K 1 1 8W 267146 1 81692 Xfmr inverter 372011 372011 IC voltage regulator 413187 MC7815CP IC voltage regulator 413179 MC7915CP Connector plug jack red 170480 105 752 Receptacle Amp Mode II 375329 85863 3 8600 Ceo FAR SIDE Figure 5 5 BATTERY POWER SUPPLY PCB ASSEMBLY 01 Option 1 77 5 17 8600 DESCRIPTION PART NO AC CONVERTER PCB ASSEMBLY 373852 373852 8600A 4003 Figure 5 6 Cap cer 0 05uF GMV IKV 2KV 355420 2DD65N5032 Cap var 0 25 1 5pF 2000VDC 218206 530 000 Cap cer 15pF 2 100V 369074 2222 631 10159 Cap cer 0 025uF 20 100V 168435 C023B101H253 Cap cer 27pF 2 100V 362749 631 Cap var cer 1 7 10 pF 250V 375238 Cap polystyrene 9100pF 355321 Cap Ta 330uF 20 385963 Cap mylar 0 47uF 41075 100V 369124 Cap Ta 39uF 20 6V 163915 196D396X0006 JA1 Cap Ta 5 6uF 20 20V 368969 196D565 X0020 Cap mica 400pF 196 500V 385328 DM15F401F Cap cer 2 2pF 0 25pF 100V 362731 2222 631 09228 Current limiter regulator 334714 TCR5315 Diode low cap 375907 TYPE FD700 Relay reed SPST 357566 8182 Xstr dual FET 379321 E7024 Xstr Si NPN 218396 2N3904 Xstr Si PNP 352146 352146 Xstr Si NPN 330803 MPS6560 Res met film 2M 0 5 1W 354894 MF8C205 8600 DESCRIPTION PART NO
29. The ohms converter and input divider boards can be removed by pulling them straight up from the main board until they are free of the connector pins The ac converter however must be removed with care because of a wire connection to the ACMA switch When the ac converter is free of the connector pins it should then be held to one side so the buss wire can be disconnected NOTE When reinstalling the plug in boards insure that all connector pins are properly aligned before seating the board 4 10 Cleaning 4 11 Clean the instrument periodically to remove dust grease and other contamination Use the following proce dure a Clean the interior with clean dry air at low pressure 20 psi The contaminants on printed circuit boards can first be loosened by spraying them with Freon T F Degreaser MS 180 then removed with low pressure air b Clean the front panel and exterior surfaces with an hydrous ethyl alcohol or a soft cloth dampened with a mild solution of detergent and water 4 12 Fuse Replacement 4 13 power fuse F2 is located on the main printed circuit board near the power transformer Access to the fuse is accomplished by following the Access Disassembly procedure found in this section of the manual If replace ment is necessary use a 1 8 ampere fuse for either 115V ac or 230V ac power configuration 14 ampere fuse for 8600 01 The HI terminal is a fuse holder for current overload protection
30. Tucson AZ 14099 Semtech Corp Newbury Park CA 14140 McGray Edison Co Commercial Development Div Manchester NH 14189 Ortronics Inc Orlando FL 14193 Cal R Inc Santa Monica CA 14301 Anderson Electronics Hollidaysburg PA 14329 Wells Electronics Inc South Bend IN 14482 Watkins Johnson Co Palo Alto CA 14552 Microsemi Corp Formerly Micro Semiconductor Santa Ana CA 14604 Elmwood Sensors Inc Pawtucket RI 14655 Comell Dublier Electronics Div of Federal Pacific Electric Co Govt Cont Dept Newark NJ 14704 Crydom Controls Division of Int Rectifier El Segundo CA 14752 Electro Cube Inc San Gabriel CA 14936 General Instrument Corp Discrete Semi Conductor Div Hicksville NY 14949 Trompeter Electronics Chatsworth CA 15412 Amtron Midlothian IL 15542 Scientific Components Corp Mini Circuits Laboratory Div Brooklyn NY 15636 Elec Trol Inc Saugus CA 15782 Bausch amp Lomb Inc Graphics amp Control Div Austin TX 15801 Fenwal Eletronics Inc Div of Kidde Inc Framingham MA 15818 Teledyne Inc Co Teledyne Semiconductor Div Mountain View CA 15849 Useco Inc Now 88245 15898 International Business Machines Corp Essex Junction VT 16068 Intemational Diode Div Harrison NJ 16162 MMI Southfield MI 16245 Conap Inc Olean NY 16258 Space Lok Inc Burbank CA 16352 Codi Corp Linden NJ 16469
31. Tucson AZ 59730 Thomas and Betts Corp IA City IA 59831 Semtronics Corp Watchung NJ 611053 American Components Inc an Insilco Co RPC Div Hayesville NC 6L611 Allen Robert G Inc Van Nuys CA 60850 Burgess Switch Co Inc Northbrook IL 60095 AMD Enterprises Inc Roswell 6X403 SGS ATES Semiconductor Corp INpolis IN 6Y440 Micron Technology Inc Boise ID 60046 Power Dynamics Inc West Orange NJ 60197 Precicontact Inc Langhome PA 60386 Squires Electronics Inc Cornelius OR 60395 Xicor Inc Milpitas CA 60399 Torin Engineered Blowers Div of Clevepak Corp Torrington CT 60496 Micrel Inc Sunnyvale CA 60705 Cera Mite Corp formerly Sprague Grafton WI 60911 Inmos Corp CO Springs CO 60935 Westlake Capacitor nc Tantalum Div Greencastle IN 60958 ACIC Intercomp Wire amp Cable Div Hayesville NC 61271 Fujitsu Microelectronics Inc San Jose CA 61394 SEEQ Technology Inc San Jose CA 61429 Fox Electronics Cape Coral FL 61529 Aromat Corp New Providence NJ 61752 IR ONICS Inc Warwick RI 61772 Integrated Device Technology Santa Clara 61802 Toshiba Houston TX 61857 SAN O Industrial Corp Bohemia Long Island NY 61935 Schurter Inc Petaluma CA 62351 Apple Rubber Lancaster NY 62643 United Chemicon Rosemont IL 62712 Seiko Instruments Torrance CA 62793 Lear Siegler Inc Energy Pr
32. Using a screwdriver turn the 4 2 terminal turn counterclockwise Replace the fuse with 2 AGX fast blow fuse 4 14 PERFORMANCE TESTS 4 15 The following tests are intended for use in per formance testing of the 8600A The tests compare the instrument performance to the accuracy specifications and are especially suited to acceptance testing of new in struments Tests should be conducted under the following conditions ambient temperature 23 5 C relative humidity less than 80 NOTE Tolerances and test limits for performance tests are derived from the 6 month instrument specifications 4 16 DC Voltage Test 4 17 Using the dc voltage calibrator sequentially apply the voltages indicated in Table 4 2 to the 8600A input terminals and select the ranges prescribed The 8600A should display a reading within the indicated limits 4 18 Ohms Test 4 19 Using the resistor decade sequentially apply the resistance values indicated in Table 4 3 to the 8600A input terminals and select the ranges prescribed The 8600 should display a reading within the indicated limits Table 4 2 DCV PERFORMANCE TEST 8600A INPUT 8600A DISPLAY RANGE REQUIRED LIMITS 190 00mV 189 90 to 190 10mV 1000 0V 19 000mV 18 97 to 19 03mV 1 9000V 1 8995 to 1 9005V 1 9000V 1 8995 to 1 9005V 9000V 8997 to 9003V 19 000V 18 995 to 19 005V 19 000V 18 995 to 19 005V 190
33. and goes to OV biasing Q10 on which drives the gate of Q14 to 15V cutting Q14 off The other control signals work the same way except that the gates of the FETs go to OV during their signal on times 1 77 8600A Section 4 Maintenance WARNING THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY TO AVOID ELECTRIC SHOCK DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO 4 1 INTRODUCTION 44 Each instrument manufactured by the John Fluke Mfg Inc is warranted for a period of one year upon de 4 2 This section of the manual contains information livery to the original purchaser The WARRANTY is printed concerning maintenance and servicing of the Model 8600A on the back of the title page located at the front of the man Digital Multimeter A calibration interval of 6 months is ual recommended to insure instrument operation within the 6 month specifications Test equipment recommended for 4 5 Factory authorized calibration and service for each performance tests calibration adjustments and trouble Fluke product is available at various world wide locations shooting is listed in Table 4 1 If the recommended equip A complete list of these Technical Centers is included in Section 7 Shipping information is given in Section 2 of this manual If requested an estimate will be provided to the customer before any repair work is begu
34. is selected for positive voltages DE R enables 016 which applies the 1V reference from U17 to the input of U4 DE R enables Q21 which applies the 1V charge on C22 to the input of U4 in the lowest range 1V is selected as the reference A delay of 15 is introduced in U8 between application of the read reference and the start of the counter The delay allows adjustment of the zero detect level for comparator U6 The read reference voltage applied to U4 allows U4 and US to dis charge C28 The slope of the output of 05 is always the same for the reference applied 1V or 1V The charge on C28 is proportional to the voltage from the input divider Therefore the time required to discharge C28 is propor tional to the voltage from the input divider When the output of 05 crosses the zero detect level the output of U6 changes state producing the compare output applied to U8 The compare signal stops the counter in U8 The number of counts is proportional to the voltage from the input divider 3 40 After the Converter has integrated the unknown input voltage integrated the reference voltage and produced the compare output the circuits of the converter are zeroed for a new measurement An auto zero AZ control signal from 08 will enable Q15 and Q22 to zero the comparator circuits The AZ control signal will also enable Q17 to charge capacitor C22 to the reference voltage level This provides the negative reference vo
35. number of cycles of a clock fre quency that occur from the start of the read period to the point where the A D integrator output voltage re turns to the zero detect level The A D Converter sup plies the Control and Display section with a compare signal at the end of the read period The compare signal stops the counting of the clock oscillator pulses so that the analog value of the instrument input is now digitally represented by the number of oscillator pulses counted in the 4 digit counter 3 15 Control and Display 3 16 Control and Display section provides the properly timed signals that direct the correct Input Sig nal Conditioner output to the A D Converter during the integrate period At the end of integrate time period the Control and Display section connects the appropriate ref erence supply to the A D Converter input for the read period The output of a 1 MHz oscillator is used to main tain the proper timing of the control signals as well as provide the base frequency from which the 100 kHz clock signal for the read period is produced INTEGRATE PERIOD SLOPE is proportional to the instrument input signal A D INTEGRATOR OUTPUT VOLTAGE CLOCK OSCILLATOR SIGNAL 100ms 8600A READ PERIOD TIME is proportional to the instrument input signal Figure 3 2 TIMING DIAGRAM FOR DUAL SLOPE A D CONVERSION 3 17 clock oscillator pulse count accumulated during the read period is applied to the LED displ
36. of range 1 77 8600 Table 1 3 MODEL 8600A SPECIFICATIONS 1200V range 10096 to 196 of range Temperature Coefficient 200 mV range 2V to 1200V ranges Input Impedance Response Time to Rated Accuracy Within Range 10V 500V 50 Hz 10 kHz 0 296 of input 0 03 of range 500V 1200V 50 Hz 10 kHz 0 3796 of input 0 0396 or range 10V to 1200V 30 Hz to 50 Hz 10 kHz to 20 kHz 0 5 of input 0 08 of range x 0 01596 of input 0 00596 of range C 0 01 of input 0 002 of range C 2 megohms shunted by less than 100 pf 1 5 seconds maximum to displayed input Overload 1200V rms 1700V peak ac applied continuously to any range not to exceed 2 x 107 V Hz product 20 kHz max at 1000V Ranging Full autoranging or manual ranging DC CURRENT Ranges 200 uA 2 mA 20 mA 200 mA 2000 mA Ranging Manual ranging Accuracy 6 Months 15 to 35 Ranges 0 1 of input 0 01 of range on all ranges Temperature Coefficient All Ranges Voltage Burden Overload Response Time to Rated Accuracy Within Range 0 003 of input 0 001 of range C 0 25V maximum up to 200mA 0 5V maximum up to 2A Protected to 2A on all ranges fused above 2A 1 second maximum to displayed input AC CURRENT Ranges 2001 2 mA 20 mA 200 mA 2000 mA Ranging Manual ranging Accuracy 6 Months 15 to 35 Temperature Coefficient All Ranges Voltage Burden
37. on a negative voltage is applied to the inverting input of Ul The negative input causes the output of Ul to go positive until the current through R20 and R90 satisfies the current requirement of Q3 The voltages at that point are 10V out of Ul and OV at the inverting input of Ul matching the OV at the noninverting input of Ul The 10V out of Ul is dropped across the input divider network Ten volts is maintained across the input divider in all ranges except the 20 range Relay K5 energizes in the 20 MQ range to change the feedback loop R20 and R90 by a factor of R27 R28 1 INPUT DIVIDER ten with R22 and R41 The output of Ul changes from 10V to 1V and only 1V is dropped by the input divider The value of Ix is dependent on the range relays 3 28 As Rx increases from 0 Vx at the VO HI terminal also increases from OV proportional to the value of Rx Vx appears at the noninverting input of Ul and at the input to the A D Converter Ul is turned on more and the output voltage increases until the voltage at the inverting input of Ul equals Vx at the noninverting input The output voltage of U1 equals 10V Vx Since the current drawn by U3 and Q3 is constant 10V is always dropped by R20 and R90 except in the 20 range and the voltages at the output of Ul and the inverting input of Ul track any changes in Vx and Rx at the inverting input of U1 So within each range the current is constant and the voltage Vx
38. the higher ranges U17 changes the reference FRONT PANEL DISPLAY TP2 INPUT OVERRANGE OVERRANGE applied to U4 and the charge path of C28 Table 4 12 contains truth tables for U8 and U9 It also shows which relays are energized in each range and the internal switching arrangements for U16 and U17 To check a questionable range select the range manually and check the inputs and outputs given in Table 4 12 that affect that range Keep in mind that relay common is 5V so in all cases the output of U9 goes low to select a relay The strobe signals are used to program U8 for the different ranges U16 together with the range switches apply the ST signals to U8 as explained in Theory of Operation AZ INT DE R DE R U8 PIN 2 08 PIN 40 U8 PIN 38 08 PIN 39 PULSE PULSE OV dc PULSE PULSE PULSE PULSE AMPLITUDE SHOULD BE 15V FROM OV dc to 15V dc Table 4 11 OPERATION OF U8 WITH RESPECT TO A D CONVERTER 4 10 1 77 8600 U8 OUTPUT PINS FUNCTION U9 INPUT PINS LOGIC 1 5V 1001 0 0 IN DC mA FUNCTION U9 AND RELAYS INACTIVE ACV FUNCTION DCV FUNCTION RANGE SELECTED O O 200 mV 2V 200 mV 2V 20V K4 K6 20V 200V 200V 1200V K4 K8 1200V OHMS FUNCTION K4 K4 K3 K2 AC MA FUNCTION K4 ENERGIZED IN ALL RANGES DC MA FUNCTION U9 AND RELAYS DEENERGIZED 0 0 O O So Y Y K5 INTERNAL SWITCH 017 APST SWITC
39. two things 1 create a dc voltage output without an ac input signal applied to the 8600A input terminals or 2 not produce the proper dc voltage output when an ac input is applied to the unit A dc offset voltage created within the ac converter may cause the multimeter display to indicate some substantial value of ac voltage when a short is placed across the input terminals When the ac converter failure causes the display to remain at zero when an ac signal is applied to the input the converter is not producing the proper dc voltage output for the A D con verter 4 53 operation of the ac converter can be checked for the dc voltage offset by performing the following pro cedure a Remove the molded plastic outer case from the 8600A see par 4 7 Access Dissassembly b Remove the ac converter pcb take the metal shield off the side and reinstall the board into mainframe NOTE Take care that all the connector pins on the board are properly aligned before seating the pcb 1 77 Short the V Q INPUT terminal HI to LO Select the 200V RANGE and VAC FUNCTION d Connect the return lead of the test equipment voltmeter to the 8600A LO input terminal e Connect the high input lead to the ac converter output at pin 9 Note the voltage level f Move the high input lead to pin 10 The voltage level should be the same as that noted in step e 4 54 A difference in voltage levels between the two pins would be d
40. warrantor may at its option replace the product in lieu of repair With regard to any instrument returned within 1 year of the original purchase said repairs or replacement will be made without charge If the failure has been caused by misuse neglect accident or abnormal conditions of operations repairs will be billed at a nominal cost In such case an estimate will be submitted before work is started if requested THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS OR ADEQUACY FOR ANY PARTICULAR PURPOSE OR USE JOHN FLUKE MFG CO INC SHALL NOT BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER IN CONTRACT TORT OR OTHERWISE If any failure occurs the following steps should be taken 1 Notify the JOHN FLUKE MFG CO INC or nearest Service facility giving full details of the difficulty and include the model number type number and serial number On receipt of this 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 returned transportation prepaid SHIPPING TO MANUFACTURER FOR REPAIR OR ADJUSTMENT All shipments of JOHN FLUKE CO INC instruments should be made via United Parcel Service or Best Way prepaid T
41. with 1 2 volt nickel cad mium batteries JF Part No 346924 Install the batteries in the direction indicated by the polarity markings on the battery holder 6 78 FUSE REPLACEMENT 6 79 The input power fuse F1 is located on the interior of the instrument near the power transformer If replace ment is necessary use an MDL 1 8A slo blo for battery powered instruments CAUTION Line potential exists on the fuseholder whenever the instrument is plugged into the line 6 80 DATA OUTPUT UNIT OPTION 02 6 81 Introduction 6 82 Data Output Unit provides digital measurement information to a rear panel output connector for use by remote display instruments or data printers The output data is in parallel bcd format and is compatible with the Fluke Model 2010A Digital Printer 6 83 Specifications 6 84 specifications for the DOU are presented in Section 1 of this manual 1 77 8600 6 85 Operation 6 86 DOU DATA IDENTIFICATION 6 87 data available at the rear panel DOU connector is listed in Table 6 4 The connector pin assignment and logic level requirement for each signal is provided 6 88 UPDATE 6 89 Refer to figure 8 6 and the timing diagram figure 6 14 for the following discussion DOU output can be updated by an external command ARM ENABLE ARM INPUT or allowed to update automatically FREE RUN at the end of each new instrument measurement A lo
42. 1701 147868 193490 148049 148072 148023 147959 385815 390948 376789 374264 381962 385450 352195 355214 376061 375808 363838 355107 413187 413179 284984 358069 376574 379438 MFG PART NO 1 8202 4725 MFF1 8204F CB1005 2755 2225 4725 1025 2215 385185 760 390948 376798 374264 LH0042C 385450 LM311N8 MC14009CP SN7488AN CD4053AE CD4016AE LM340T5 MC7815CP MC7915CP 3621 2 TYPE 815A 5166 333 68 86144 5 8600A 5 7 8600 DESCRIPTION Contact fuse 397992 397992 Receptacle power 3 prong Insulator receptacle 338624 338624 Contact earth common 338640 338640 Contact voltage 338657 338657 Pushbutton grey 369546 352305 J3 1753 Pushbutton green 352211 152305 771449 Socket IC 14 pin 291542 583527 1 Socket IC 16 pin 291534 583529 1 Socket IC 40 pin 376244 TSA3100 40W Socket relay 2 poles 376665 27E501 Strap relay retainer 381624 P49 Front Panel Assembly Not Illustrated Display PCB Assembly 373860 373860 Cap cer 47 pF 10 2kV 282145 HVD3 47 10 2KV I Fuse fast acting 2A 376582 AGX Jack banana red 162065 108902 Jack banana black 162073 108903 Fuseholder 345611 345611 Lens display 367920 367920 Panel molded 369041 369041 Decal panel 375865 375865 Retainer neoprene 352484 9109E Indicates MOS device which may be damaged by static discharge 8600A JEG
43. 2 25 OPERATION 2 26 Use the following procedure for initial turn on of the 8600A a Connect the instrument to ac line power See Paragraph 2 6 b Depress the POWER switch c accordance with Table 2 2 select the desired function and range connect the test leads to the corresponding input connectors NOTE Supplemental instructions may be required for instruments with options installed These in structions if any are given in Section 6 Options and Accessories CAUTION Do not use V2 LO for current measurements as damage to the 8600A may result 24 1 77 A Message From John Fluke Mfg Co Inc Static awareness Some semiconductors and custom IC s can be damaged by electrostatic discharge during handling This notice explains how you can minimize the chances of destroying such devices by 1 Knowing that there is a problem 2 Learning the guidelines for handling them 3 Using the procedures and packaging and bench techniques that are recommended The Static Sensitive S S devices are identified in the Fluke technical manual parts list with the symbol The following practices should be followed to minimize damage to S S devices 3 DISCHARGE PERSONAL STATIC BEFORE HANDLING DEVICES USE A HIGH RESIS 1 MINIMIZE HANDLING TANCE GROUNDING WRIST STRAP 2 KEEP PARTS IN ORIGINAL CONTAINERS UNTIL READY FOR USE 4 HANDLE S S DEVICES BY THE BODY Page 1 of 2 5 USES
44. 200V ranges 1200V range Temperature Coefficient 200 mV range 2V to 1200V ranges Input Impedance 200 mV and 2V ranges 20V 200V and 1200V ranges Normal Mode Rejection Common Mode Rejection Zero Stability Ranging Polarity Overload Response Time to Rated Accuracy Within Range AC VOLTAGE Ranges Accuracy 200 mV range 10096 to 196 of range 2V 20V and 200V ranges 10096 to 196 of range 200 mV 2V 20V 200V 1200V 6 Months 15 C to 35 C 0 04 of input 0 01 of range 0 02 of input 0 005 of range 0 02 of input 0 008 of range 0 003 of input 0 001 of range C 0 001 of input 0 0005 of range C gt 1000 megohms 10 megohms 60 dB minimum 50 Hz 60 Hz 120 dB minimum dc and 50 Hz 60 Hz with 1kQ in either lead Auto zeroed on all ranges Full autoranging or manual ranging Automatic bipolar or display 1200 dc or 1700V peak ac applied continuously to any range 1 second maximum to displayed input 200 mV 2V 20V 200V 1200V 6 Months 15 to 35 30 Hz 50 Hz 0 596 of input 0 10 of range 50 Hz 10 kHz 0 2 of input 0 08 of range 10 kHz 50 kHz 0 5 of input 0 10 of range 50 kHz 100 kHz 0 5 of input 0 596 of range 50 Hz 10 kHz 0 296 of input 0 01596 of range 30 Hz 50 Hz and 10 kHz 50 kHz X 0 596 of input 0 02596 of range 50 kHz 100 kHz 1 0 of input 0 05
45. 55 V 19 000 V 18 959 to 19 041 V 19 000 V 18 800 to 19 200 V 190 00 V 189 59 to 190 41 V 100 00 V 99 45 to 100 55 V 1000 0 V 996 9 to 1003 1 V 1000 0 V 994 0 to 1006 0 V 4 27 DC Volts Calibration 4 28 calibration procedure for the DCV FUNCTION of the 8600A is presented in Table 4 6 Use the recommended dc voltage calibrator see Table 4 1 to apply the prescribed dc voltages to the V 2 INPUT terminals and where required make the adjustments to meet the specified display limits 4 3 8600 c 32 11 Figure 4 1 CALIBRATION ADJUSTMENT LOCATIONS 4 4 6 75 8600 8600A DISPLAY LIMITS 00 01 to 00 01 00 01 to 00 01 note display reading within 1 digit of step 4 display Table 4 6 DC VOLTS CALIBRATION PROCEDURE INPUT ADJUSTMENT REQUIRED Select the VDC FUNCTION switch on the front panel Repeat steps 3 4 and 5 until each step is within limits 00 00 to 00 61 1 8999 to 1 9001 1 8999 to 1 9001 Repeat steps 8 and 9 until both are within limits 0 9000V 0 8999 to 0 9001 190 00mV 189 95 to 190 05 190 00mV 189 95 to 190 05 7 19 000V 18 999 to 19 001 19 000V 16 Repeat steps 14 and 15 until both are within limits 17 200 190 00 R6 189 99 to 4190 01 18 1200V 1000 0V R8 999 9 to 1000 1 Place a 1 resistor across the V Q INPUT A 200mV LED on the di
46. 55566 RAF Electronic Hardware Inc Seymour CT 55576 Synertek Santa Clara CA 55680 Nichicon America Corp Schaumburg IL 55943 DJ Associates Inc Replaced Transcon Mfg 24618 Fort Smith AZ 56282 Utek Systems Inc Olathe KS 56289 Sprague Electric Co North Adams MA 56365 Square D Co Corporate Offices Palatine IL 56375 WESCORP Div Dal Industries Inc Mountain View CA 56481 Shugart Associates Sub of Xerox Corp Sunnyvale CA 56637 RCD Components Inc Manchester NH 56708 Zilog Inc Campbell CA 56856 Vamistor Corp of TN Sevierville TN 56880 Magnetics Inc Baltimore MD 57026 Endicott Coil Co Inc Binghamton NY 57053 Gates Energy Products Denver CO 57170 Cambridge Thermionic Cambridge MA Replaced by 71279 Interconnection Products Inc 57668 R ohm Corp Irvine CA 57962 SGS Thomson Microelectronics Inc Montgomeryville PA 58014 Hitachi Magnalock Corp Now 12581 58104 Simco Atlanta GA 58364 BYCAP Inc Chicago IL 58451 Precision Lamp Cotat CA 58474 Superior Electric Co Bristol CT 58614 Communications Instruments Inc Fairview NC 59124 KOA Speer Electronics Inc Bradford PA 59422 Holmberg Electronics Irvine CA 7 8 Federal Supply Codes for Manufacturers cont 59610 Souriau Inc Valencia CA 59635 Component Associates Howell NJ 59640 Supertex Inc Sunnyvale CA 59660 Tusonix Inc
47. 6 220046 261701 147868 193490 148049 148072 148023 147959 385815 390948 372003 381962 385450 352195 355214 376061 375808 363838 390450 103283 358069 380675 379438 376574 344200 CB5635 MFF1 88061F MFF1 8203F CB4755 MFF1 8204F CB1005 CB2745 CB2225 CB4725 CB1025 CB2215 385815 390948 372003 381962 385450 LM811N8 MC14009CP SN7488AN CD4053AE CD4016AE 390450 4405 TYPE 815A 380675 86144 5 5166 333 68 344200 DESCRIPTION Contact fuse Rectacle power 3 prong Insulator receptacle Contact earth common Contact voltage Pushbutton grey Pushbutton green Socket IC 14 pin Socket IC 16 pin Socket IC 40 pin Socket relay 2 poles Strap relay retainer Front Panel Assembly Not Illustrated Display PCB Assembly Cap cer 47 10 2kV Fuse fast acting 2A Jack banana red Jack banana black Fuseholder Lens display Panel molded Decal panel Retainer neoprene Indicates MOS device which may be damaged by static discharge 397992 338624 338640 338657 369546 352211 291542 291534 376244 376665 381624 373860 282145 376582 162065 162073 345611 367920 369041 375865 352484 MFG PART NO 397992 338624 338640 338657 152305 13 1753 152305 771449 583527 1 583529 1 TSA3100 40W 27 501 49 373860 HVD3 47 10 2 4 108902 108903 345611 367920 369041 375865 9109 8600 8600
48. 600A DISPLAY LIMITS 8600A RANGE INPUT VOLTAGE REQUIRED INPUT FREQUENCY REQUIRED Simultaneously select the ACMA and DCV FUNCTION switches mov none 00500 2 2 200 200 2 Select the VAC FUNCTION switch on the front panel 1 9000V 0 9000V 190 00V 190 00V 1 9000V 1 8998 1 9002 8997 to 9003 189 90 to 190 10 189 95 to 190 05 1 8995 to 1 9005 9 Repeat steps 7 and 8 until both are within limits 100kHz 30Hz 500Hz 50kHz 50kHz 500Hz 500Hz 500Hz 20kHz 1 8875 to 1 9125 1 8950 to 1 9050 18 990 to 19 010 18 990 to 19 010 189 80 to 190 20 189 85 to 190 15 1 38 90 to 39 10 998 0 to 1002 0 996 0 to 1004 0 1 9000V 1 9000V 19 000V 19 000V 190 00mV 190 00mV 39 00mV 1000 0V 1000 0V Simultaneous selection of both function switchesconnects the positive 25mV AC Converter offset to the A D Converter auto zero input The A D Converter action causes the negative display of STEP 2 200MV LED on the display should be on 4 35 Initial Troubleshooting 4 36 troubleshooting techniques given below should be completed as the first step toward repairing any apparent malfunction in the unit Improper opera tion may not always be caused by failures within the 8600A The following reminders of basic fault isolation techniques will help determine if the cause is the result of an internal failure or faulty external connection Carefully check the 8600A control
49. 74611 Res comp 470K 5 14W 188441 CB4745 Res comp 100K 5 2W 285056 HB1045 Res WW 900 0 05 1 10W 357483 357483 Res WW 90 0 05 1 10W 357517 357517 Res WW 9 0 05 1 10W 357525 357525 Res WW card 1 0 0 05 356097 356097 Res met film 60 4K 1 1 8W 291419 MFF1 86042F Res met film 30 1K 1 1 8W 168286 MFF1 83012F Res met film 90 9K 1 1 8W 223537 MFF1 89092F Res var 500 1096 325613 360T501A Res match set 3 pc 375782 375782 Res comp 10K 5 14W 148106 CB1035 Res met film 22 1K 4175 1 8W 235234 MFF1 82212F Res comp 56K 5 170738 CB5635 Res met film 8 06K 1 1 8W 294942 91637 1 88061 5 6 1 77 1 77 DESCRIPTION Res met film 2 0K 190 1 8W Res comp 4 7 5 Res met film 200K 1 1 8W Res 10 5 Res comp 2 7M 5 Res comp 2 2K 5 4W Res comp 4 7K 5 4W Res comp 5 Res comp 220 4595 Res network 15 pc Switch Assembly pushbutton Switch Slide DPDT 115 230 Xfmr power IC Op Amp yellow dot IC Op Amp red dot IC linear opnl ampl IC hex buffer conv See Final Assembly IC bipolar ROM IC digital C MOS 2 channel multiplexer IC digital C MOS quad switch IC voltage regulator IC voltage regulator IC voltage regulator Fuseholder clip Crystal 1 000 MHz Connector post Connector post 235226 220046 26
50. 922 England Philips Scientific Test amp Measuring Division Colonial Way Watford Hertforshire WD2 4TT Tel 44 923 40511 Finland Oy Philips AB Central Service Sinikalliontie 1 3 P O Box 11 SF 02630 ESPOO Tel 358 0 52572 France S A Philips Industrielle et Comerciale Science et Industry 105 Rue de Paris Bp 62 93002 Bobigny Cedex Tel 33 1 4942 8040 Germany F R G Philips GmbH Service fuer FLUKE Produkte Department VSF Oskar Messter Strasse 18 D 8045 Ismaning Munich West Germany Tel 49 089 9605 239 Greece Philips S A Hellenique 15 25th March Street 177 78 Tavros 10210 Athens Tel 30 1 4894911 Hong Kong Schmidt amp Co H K Ltd 18 FL Great Eagle Centre 23 Harbour Road Wanchai Tel 852 5 8330222 India Hinditron Services Pvt Ltd 1st Floor 17 B Mahal industrial Estate Mahakali Road Andheri East Bombay 400 093 Tel 91 22 6300043 Hinditron Services Pvt Inc 33 44A Raj Mahal Villas Extn 8th Main Road Bangalore 560 080 Tel 91 812 363139 Hinditron Services Pvt Ltd Field Service Center Emerald Complex 1 7 264 5th Floor 114 Sarojini Devi Road Secunderabad 500 003 Tel 08 42 821117 Hindtron Services Pvt Ltd 15 Community Centre Panchshila Park New Delhi 110 017 Tel 011 6433675 Indonesia P T Lamda Triguna 6 JATJG Jakarta 13001 Tel 021 8195365 Israel R D T Electronics Engineering Ltd P O Box 43137 Tel Aviv 61430 Te
51. ANGE WITH 801 600 PROBE 2000 MA 200A to 600A 200 20A to 200A 20 2A to 20A 6 23 HIGH VOLTAGE PROBE 80K40 6 24 introduction 6 25 Model 80K 40 High Voltage Probe as shown in Figure 6 7 provides the 1000X attenuation necessary to extend the dc voltage measuring capabilities of the 8600A up to 40 kV dc A schematic of the 80K 40 probe is shown in Figure 6 8 6 26 Specifications Overall Accuracy 20kV to 30kV 2 Calibrated 1 at 25kV Changes linear from 2 at 30kV to 4 at 40kV Changes linear from 2 at 20kV to 4 at 1 Upper Limit Lower Limit Voltage Range 1 to 40kV Input Resistance 1000MQ Division Ratio 1000 1 8600A Figure 6 7 HIGH VOLTAGE PROBE 80K 40 6 27 Operation 6 28 Use the following procedure for operating the 8600A with the 80K 40 probe a Plug the 80K 40 dual banana plug into the V Q and LO INPUT terminals on the 8600A b Depress the DCV pushbutton FUNCTION c Select the desired voltage range in accordance with Table 6 3 d Connect the common probe lead to a suitable ground and touch the probe tip to the circuit point to be measured e Observe dc voltage reading displayed in kilovolts on the 8600A readout CAUTION Before touching probe tip to a high voltage source always connected probe common lead to circuit common Removal of the probe common connec tion during a measurement may result in damage to the 8600A
52. Assembly Model 8600A i dus ids AE ad 8600A 5 3 Front Panel and Main PCB Assembly 8600A 4001 te 4213 365866 5 5 Front Panel and Main PCB Assembly 01 Option 8600A 401 o 366906 5 10 Display PCB Assembly 860044002 Em 373860 5 15 Battery Power Supply PCB Assembly 01 Option 86004 4006 373837 5 16 AC Converter PCB Assembly 860044003 373852 5 18 Ohms Converter Assembly 860044004 LL 373845 5 21 Input Divider PCB Assembly 8600044005 397463 5 23 DOU PCB Assembly 02 Option 8800A 4005 366369 5 24 1 77 5 1 8600 5 1 INTRODUCTION 5 2 This section contains an illustrated parts breakdown of the instrument Components are listed alpha numerically by assembly Electrical components are listed by reference designation and mechanical components are listed by item number Each listed part is shown in an accompanying illustration 5 3 Parts lists include the following information a Reference Designation or Item Number b Description of each part c Fluke Stock Number d Federal Supply Code for Appendix for Code to Name list e Manufacturer s part Number or Type f Total Quantity per assembly or component g Recommended 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
53. B ASSEMBLY 02 Option 366369 366369 8800A 4005 Figure 5 9 Cap elect 220uF 50 10 10V 236935 ET221X010A5 Cap plstc 0 022uF 10 50V 271577 75F1R5A222 Cap cer 0 05uF 80 10 25V 148924 5855Y5U503Z Rectifier bridge 296509 FB100 Diode zener 5 6V 277236 1N752A Xstr Si NPN 218396 2N3904 Xstr Si PNP 195974 2N3906 Res desposited carbon 5 VW 343426 R251025 Res comp 4 7M 4590 220046 CB4755 Res network 385930 385930 Xfrm power 374652 374652 IC C MOS dual 4 bit static shift register Q 340125 MC14015CP IC C MOS dual type D flip flop Q 340117 MC14013CL IC C MOS NOR Gate Q 355172 MC14001CL IC C MOS hex buffer inverter 381848 CD4049AE IC DTL C MOS quad bilateral SW 363838 CD4016AE IC C MOS dual 4 input NOR gate 363820 CD4002AE Opto Isolator photo Xstr 380014 MCT2 Cable flat 385922 5112 007 25X Socket IC 14 pin 276527 23880 TSA2900 14W Socket IC 16 pin 276535 123880 TSA2900 16W Indicates MOS device which may be damaged by static discharge 5 24 1 77 8600 ooo wrrr 9 DOU PCB ASSEMBLY 02 Option Figure 5 5 25 5 26 6 75 8600 Section 6 Option amp Accessory Information 6 1 INTRODUCTION 6 2 This section of the manual contains information pertaining to the options and accessories available for your instrument Each of the options and accessories are de scribed under separate major headings containing t
54. CK 6 7 8600 6 46 6 8 With equipment as shown in connection A ad just the ac signal source for an output of 3 000V rms at 100 kHz as measured on the DVM In connection with the DVM set to measure V dc observe a probe output of 3 15 to 2 85V dc Placing cables back in connection decrease the ac signal source by 10 db 0 95V rms Moving back to connection observe a volt meter indication of between 1 00 and 0 90V dc 10 db down from 3 0V dc In connection decrease the ac signal source an additional 10 db to 0 3V rms as indicated by the voltmeter in its ac function Back to observe a voltmeter reading of 315 to 285V dc Return the ac signal source back to 3 000V rms Repeat steps a through g with frequencies of 500 kHz 1 MHz and 10 MHz HIGH FREQUENCY RESPONSE AC SIGNAL SOURCE 647 Connect equipment to the 80RF 1 probe as shown in Figure 6 12 and perform the following steps 6 48 6 49 Set the ac signal source to 100 MHz with an out put level of 10 milliwatts as indicated on the power meter Ensure that the ac signal source has stabilized at the 10 milliwatt output Observe that the voltmeter indication is between 0 757 and 0 657V dc 0 707V dc corresponds to 10 milliwatts into 50 ohms Repeat the above for frequencies of 200 MHz 300 MHz 400 MHz and 480 MHz CALIBRATION Should the 80RF 1 require recalibration perform
55. CONVERTER logarithmic amplifier The net result is that the dc level detected by CR12 and filtered by the low pass L P 3 31 The AC Converter produces a dc output voltage filter is proportional to the RMS equivalent of the ac voltage proportional to the ac input voltage Table 3 2 presents applied to the VQ terminals The dc level from the L P the relay conditions for each ac volts range relay K4 is filter is applied to the A D Converter The degree of loga located on the Input Divider pcb and closes to apply the rithmic response is determined by the feedback resistance CR5 R40 L P FILTER A D CONVERTER Figure 3 4 AC CONVERTER BLOCK DIAGRAM 1 77 3 5 8600 R46 R37 R47 and R38 selected by the range relays The positive half of the signal applied to CRI2 is distorted by the action of Q7 and CLI CLI presents a variable load to Q7 so that for the positive half cycle as Q7 draws less current the voltage on the collector of Q7 rises more rapidly than it would with a purely resistive load The distortion is introduced to minimize errors in small signal measurements caused by the turn on time of CR12 The distortion is removed for feedback purposes by the arrangement of R51 C16 and R26 During autozero the A D Converter is referenced to the offset voltage stored on capacitors created by the bias requirements of the circuit The offset voltage reference is protected from over voltage conditions by Q8 and Q9 3 33
56. Corp The Navigation amp Control Group Terboro NJ 19451 Machine Tool Corp Kent WA 19482 Delta Electronics Alexandria VA 19613 MN Mining amp Mfg Co Textool Products Dept Electronic Product Div Irving TX 19647 Caddock Electronics Inc Riverside CA 19701 Mepco Centralab Inc A N American Philips Co Mineral Wells TX 2B178 Wire Products Cleveland OH 2K262 Boyd Corporation Portland OR Federal Supply Codes for Manufacturers cont 2Y384 North American Philips Lighting Corp Van Wert OH 20584 Enochs Mfg Inc INpolis IN 20891 Cosar Corp Dallas TX 21317 Electronics Applications Co El Mente CA 21604 Buckeye Stamping Co Columbus OH 21845 Solitron Devices Inc Semiconductor Group Rivera Beach FL 21847 Aertech Now TRW Microwave Inc Sunnyvale CA 21962 Vectron Corp Replaced by S W Electronics 22526 DuPont EI DeNemours amp Co Inc DuPont Connector Systems Advanced Products Div New Cumberland PA 22626 Micro Semiconductor Now 14552 22670 GM Nameplate Seattle WA 22767 TIT Semiconductors Palo Alto CA 22784 Palmer Inc Cleveland OH 23050 Product Comp Corp Mount Vernon NY 23223 CTS Microelectronics Lafayette NY 23237 LR C Inc Microcircuits Divison Philadelphia PA 23302 S W Electronics amp Mfg Corp Cherry Hili NJ 23730 Mark Eyelet and Stamping Inc Wolcou CT 23732 Tracor App
57. DIVIDER OHMS CONVERTER CONVERTER CURRENT CONTROL AND DISPLAY A D CONVERTER DATA OUTPUT UNIT Figure 3 1 OVERALL FUNCTIONAL BLOCK DIAGRAM across the known resistance is representative of the un known current n the case of dc current inputs the rep resentative dc voltage is applied directly to the A D con verter while in the case of ac current inputs the repre sentative ac voltage is directed to the ac converter first and then to the A D converter as an equivalent dc voltage 3 12 A D Converter 3 13 The A D Converter receives the dc voltage output from one of the Input Signal Conditioners and integrates it for 100 mS Figure 3 2 is an illustration of the output of the integrator The slope of the integrator output volt age during the Integrate Period is directly proportional but opposite in polarity to the A D Converter input At the end of the integrate period the signal conditioner out put is disconnected from the A D input and a dc ref erence voltage is connected to the input The A D converter then integrates the reference voltage of opposite polarity which results in a constant slope returning the integrator output toward zero Read Period Since the read period slope is held constant the time required for the A D in tegrator output voltage to return to zero is proportional to the instrument input 3 2 3 14 The digital representation of the input is ob tained by counting the
58. EEE SS 5V IN IKE 15v OUT LEE 2 15v 1 I 1 1 1 1 one BATTERY POWER surr 6004 4006 SCHEMATIC 88003 088 BATTERY SUPPLY 1 77 Fe 1 77 8600 NOTES 1 UNLESS OTHERWISE SPECIFIED ALL RESIS TANCES ARE IN OHMS AND ALL CAPACITANCES ARE IN MICROFARADS 2 L EARTH GROUND Y ANALOG COMMON LOG C COMMON 4 REF ASSY DWG 86004 400 96004 40 5 SEE SH FOR ALL OTHER MAIN PCB CKTY 13 VOLT REGULATOR VOLT REGULATOR VIDA TO JI PINS 10 11 SEE SHT LINE ONLY POWER SUPPLY FIGURE 8 1 2 of 2 FRONT PANEL AND MAIN PCB ASSEMBLY 8600A 1001 8 5 8600 FROM U8 PIN 17 gt STROBE 1 74 Y FROM FIN 20 STROBE 6 4 FROM 08 PIN 19 STROBE 4 A FROM U8 FIN 18 gt STHOBE 2 FROM UI6 PIN 4 gt 156 STROBE 0 7 FROM PIN 9 gt DPL 7 A85 560 286 5V VEG LOGIC COMMON 5 FROM U8 PIN 32 5 Fi 4 ROM US PIN 33 gt m y FROM 08 FIN 34 gt 2 FROM U8 PIN 31 gt 5 FROM 08 gt ig ANN 20M FROM U8 FIN 27 gt A FROM U8 FIN 26 gt 10 ANN 2000 4 8 6 8600 CKT 1 SIDE 4002 PCB DIAGRAM SHOWING CONNECTOR NOS UIS 18 9 1
59. ES SCREWDRIVER ADJUST 4 REFERENCE ASSEMBLY DNG 4003 5 y ANALOG COMMON 6 QO DENOTES CALIBRATION ADJ POINTS 9 9 lt 7 S4C NC AC CONV OUTPUT 47 5 39 AZ 10 FROM SID 520 NO FIGURE 8 3 AC CONVERTER PCB ASSEMBLY 8600A 1003 8 9 8600 8 10 gt LU 9 9 ANALOG COM E A D OHMS 253 OMS IN CONV INPUT FROM QIS DRAIN THIS RESISTOR 15 ELEMENT OF RES NETWORK AN3 INPUT DIVIDER PCB 1 L9 Ma 86004 4005 i gt RER CRZR 2 FROM 8600A NOTES UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS AND ALL CAPACITANCES ARE IN MICROFARADS 2 DENOTES SCREWDRIVER ADJUST gt E gt SELECTED VALUE 4 Wy ANALOG COMMON 5 Q DENOTES CALIBRATION ADJ POINTS 6 REFERENCE ASSY DWG 86004 4004 LIKA 5 28 70 550 COMMON QUT 100 9 95 gt FROM RELAY COM U9 PIN 7 OHMS CONVERTER PCB ASSEMBLY 8600A 1004 FIGURE 84 8 11 8600 TO US PIN 9 LOW BATT IND 5V LOGIC COMMON ca anne ANALOG COMMON mm gt C20l R20 SISF COMMON 8 12 1 77 8600 R207 15 VOLT RESULATOR OUT 7 lt lt 5V OUT 6 6 lt 5v 15 vor REGULATOR NOTES I UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS
60. Figure 5 2 Cap polystyrene 0 022 uF 10 100V 365866 333823 102799 1 223 Cap polycarbonate 0 47uF 10 100V 288860 01281 363705 80031 W Cap cer 2 7pF 0 25pF 100V 2222 631 09278 Cap var 0 25 1 5pF 0 25pF 2000V 218206 72982 530 000 Cap Ta 10uF 20 20V 330662 56289 1960106 0020 1 Cap polypropylene 0 47uF 1096 SOV 363085 01281 JF86 cer 0 001uF 20 3KV 5 25K 105635 56289 29C300 Cap mylar 0 01uF 20 159996 101281 6634W103 010 W 221 040 01 elect 220uF 50 10 40V 178616 25403 Cap elect 2000uF 100 10 15V 364182 25088 B4101 2200 15 Diode Si 2A 50V 347559 14099 1N5400 Diode Si 150 mA 203323 07910 1N4448 Zener reference set 377283 89536 377283 Rectifier bridge 2 amp 100V Zener 6 8V 1 mA Fuse Slo Blo 1 8A 296509 352898 166488 09423 99942 71400 Relay Telephone DPDT 357707 112300 10 2662 2 99800 04713 Choke RF 100uh 111542 1537 76 Xstr Si PNP 195974 2N3906 Xstr Si NPN 159855 07910 CS23030 1 77 5 5 8600 DESCRIPTION PART NO Xstr Si NPN Selected 352138 352138 Xstr J FET N channel 357889 Xstr J FET N channel 357897 F2691 Xstr J FET N channel 370072 TYPE KE4393 Res comp 100K 5 14W 148189 CB1045 Res WW card 0 1 0 05 374611 3
61. For the benefit and convenience of its customers Fluke Corporation Fluke has reproduced this copy of a manual which is no longer in production This manual has not been edited or updated since the revision date shown on the lower left hand corner of the first page Fluke will not be liable for any claims losses or damages of any kind incurred by any user arising from use of this manual 8600 Digital Multimeter Instruction Manual P N 391409 NOVEMBER 1974 Rev 3 1 77 FLLJ K E 91977 John Fluke Mfg Co Inc All rights reserved Litho in U S A WARRANTY Notwithstanding any provision of any agreement the following warranty is exclusive The JOHN FLUKE MFG CO INC warrants each instrument it manufactures to be free from defects in material and workmanship under normal use and service for the period of 1 year from date of purchase This warranty extends only to the original purchaser This warranty shall not apply to fuses disposable batteries rechargeable type batteries are warranted for 90 days or any product or parts which have been subject to misuse neglect accident or abnormal conditions of operations In the event of failure of a product covered by this warranty John Fluke Mfg Co Inc will repair and calibrate an instrument returned to an authorized Service Facility within 1 year of the original purchase provided the warrantor s examination discloses to its satisfaction that the product was defective The
62. H CONTROL PIN PINS SWITCHED INTERNAL SWITCH U16 3PDT SWITCH CONTROL PIN PINS SWITCHED QO Table 4 12 RANGE INFORMATION 5V TO CONTROL PIN CLOSES SWITCH ON OV OPENS SWITCH OFF SWITCHES ARE AS SHOWN FOR OV ON CONTROL PIN 5V ON CONTROL PIN SWITCHES CENTER ROW FROM TOP TO BOTTOM ONG 12 4 09 1 77 4 11 8600 4 62 Errors in the display concerning decimal point location and upper or lower annunciators can be the result of range control problems A 5 is required from U8 to turn on the annunciators Decimal point logic is a positive pulse output from U8 occuring at the same time as the appropriate strobe signal Either STO or ST7 is selected by U16 before being applied to the display board The digit information to be presented on the front panel is delivered by U8 in BCD format on lines W X Y and Z 4 63 malfunction caused by the display section of the circuitry will generally cause the 8600A display to indicate the failure in one of five ways 1 all LED s are dark 2 one segment of any one or all LED displays are dark 3 any single LED display is dark 4 the numbers containing a particular binary code 1 2 4 or 8 will not display or 5 one digit is brighter than normal and all others are off The probable cause for each possible fail ure indication is given below 4 64 When all LED s are dark check for 5 volts at the emitter of Q30 Using an os
63. MCL Inc LaGrange IL 16473 Cambridge Scientific Industries Div of Chemed Corp Cambridge MD 16733 Cablewave Systems Inc North Haven CT 16742 Paramount Plastics Fabricators Inc Downey CA 16758 General Motors Corp Delco Electronics Div Kokomo IN 17069 Circuit Structures Lab Burbank CA 17117 Electronic Molding Corp Woonsocket RI 17338 High Pressure Eng Co Inc OK City OK 17504 Aluminum Filter Co Carpinteria CA 17545 Atlantic Semiconductors Inc Asbury Park NJ 17745 Angstrohm Precision Inc Hagerstown MD 17856 Siliconix Inc Santa Clara CA 18178 E G amp Gvactee Inc St Louis MO 18235 KRL Bantry Components Inc Manchester NH 18310 Concord Electronics New York NY 18324 Signetics Corp Sacramento CA 18377 Corp Methuen MA 18520 Sharp Electronics Corp Paramus NJ 18542 Wabash Inc Wabash Relay amp Electronics Div Wabash IN 18565 Chomerics Inc Woburn MA 18612 Vishay Intertechnology Inc Vishay Resistor Products Group Malvem PA 18632 Norton Chemplast Santa Monica CA 18677 Scanbe Mfg Co Div of Zero Corp Monte 18736 Voltronics Corp East Hanover NJ 18786 Micro Power Long Island City NY 18927 GTE Products Corp Precision Material Products Business Parts Div Titusville PA 19080 Robinson Electronics Inc San Luis Obispo CA 19112 Garry Corp Langhome PA 19315 Bendix
64. O Disc Inc Mansfield OH 81483 International Rectifier Corp Los Angeles CA 81590 Korry Electronics Inc Seattle WA 81741 Chicago Lock Co Chicago IL 82227 Airpax Corp Cheshire Div Cheshire CT 82240 Simmons Fastner Corp Albany NY 82305 Palmer Electronics Corp South Gate CA 82389 Switchcraft Inc Sub of Raytheon Co Chicago IL 82415 Airpax Corp Frederick Div Frederick MD 82872 Roanwell Corp New York NY 82877 Rotron Inc Custom Div Woodstock NY 82879 IIT Royal Electric Div Pawtucket RI 83003 Varo Inc Garland TX 83014 Hartwell Corp Placentia CA 83055 Signalite Fuse Co Now 71744 83058 TRW Assemblies amp Fasteners Group Fasteners Div Cambridge MA 83259 Parker Hannifin Corp O Seal Div Culver City CA 83298 Bendix Corp Electric amp Fluid Power Div Eatonville NJ 83315 Hubbell Corp Mundelein IL 83330 Kulka Smith Inc North American Philips Co Manasquan NJ 83478 Rubbercraft Corp of America West Haven CT 83553 Associated Spring Barnes Group Gardena CA 83740 Union Carbide Corp Battery Products Div Danbury CT 84171 Arco Electronics Commack NY 84411 American Shizuki TRW Capacitors Div Ogallala NE 84613 FIC Corp Rockville MD 84682 Essex Group Inc Peabody MA 84830 Lee Spring Co Inc Brooklyn NY 85367 Bearing Distributing Co San Fransisco CA 85372 Bearing Sale
65. O ON OFF 1000000000000 FLUKE A O ETIME MER Figure 2 1 8600A CONTROLS INDICATORS AND CONNECTORS Table 2 1 8600A CONTROLS INDICATORS AND CONNECTORS INPUT Connectors Provides the input connections necessary to make current voltage V or resistance 0 measurements All measurements are referenced to the LO INPUT terminals Digital Readout Provides a 4 digit display 19999 maximum or the measured input The readout also includes a properly positioned decimal point and a or sign for dc voltage and current measurements POWER Switch Switches the instrument on or off The instrument is turned on when the switch is depressed RANGE Switches Provide pushbutton selection of ranges which correspond to the selected function current voltage or resistance The available ranges are Voltage 200 MV 2 20 200 1200V and AUTO Current 200uA 2 20 200 2000 Resistance 20022 2 20 200 2000 20MQ and AUTO FUNCTION Switches Provide pushbutton selection of one of five measurement functions ACV AC MA DCV DC MA or KQ Input Power Connector Provides the means of connecting the instrument through the power cord to the ac power line 2 2 1 77 2 13 OPERATING NOTES 2 14 following paragraphs describe various condi tions which should be considered before operating the 8600A 2 15 Option Information 2 16 Supplementary information is necessary when operating an 8600A which is
66. OU will automatically update the data after each measurement 6 90 BUSY FLAG 6 91 The updating period of the DOU is signified by the BUSY pin 2 and BUSY pin 4 outputs from the DOU During this period the data on the output connector pins will be changing to reflect the updated input Either the positive true BUSY or negative true BUSY flag can be used to inhibit the data recording instrument during this time period 6 11 8600 Table 6 4 DOU DATA IDENTIFICATION DOU DOU DATA NAME NINO DOU DATA NAME LOGIC RETURN BCD BIT ARM ENABLE WEIGHT ARM INPUT FREE RUN NOT USED a RANGE CODE c RANGE CODE X6 4 BITS Z6 150 8800A 4 BITS 25 1 50 8600A X4 4 BITS 24 4SD 4 BITS 23 350 2 4 BITS 22 250 X1 GND 4 BITS MSD zi ONE ACTIVE NOT USED NOT USED NOT USED 5V BUSY FLAG POL FLAG BUSY FLAG 8800A POL FLAG OVERLOAD RANGE CODE b W6 Y6 W5 Y5 Wa Y4 w3 Y3 w2 Y2 GND W1 GND Y1 ON OOP WD N lt xX S2 lt cHaunwmwv2z2earnxcitinmooowp NOT USED BZ INPUT TO DOU 2400 us 1 515 gt lt 300 us lt 2400 us gt U10 PIN 5 LOADAN U10 PIN 4 U10 PIN 3 U10 PIN 10 LOAD 2 RG U6 PIN 11 32 Pulses gt lt 100 BUSY OUTPUT FROM DOU 9600 gt Figure 6 14 DOU TIMING DIAGRAM 6 12 1 77 6 92 POLARITY FLAG 6 93 The polarity of t
67. OUNTING KITS OFFSET AND CENTER MOUNTING 8600A 6 3 8600 PANEL RACK ar E BRACKET SIDE MOUNTING BOSS HANDLE MOUNTING BRACKET CENTER MOUNTING Figure 6 4 RACK MOUNTING KIT SIDE BY SIDE MOUNTING on feature allows current to be measured without breaking the circuit under test 6 21 Operation 6 22 Use the following procedure for operating the 8600A with the 801 600 probe a Plug the 801 600 dual banana plug into the MA and COMMON INPUT terminals on the 8600A Figure 6 5 DELUXE TEST LEAD KIT A80 6 18 CURRENT PROBE CLAMP ON 801 600 6 19 Introduction 6 20 Model 801 600 as shown in Figure 6 6 is a clamp on current probe which is used to extend the current measurement capabilities of the 8600A The probe is designed to measure currents of 2 to 600 amperes at fre quencies of up to 400 Hz with 3 accuracy The clamp Figure 6 6 AC CURRENT PROBE CLAMP ON 801 600 64 b Depress the AC MA pushbutton FUNCTION Select desired current range in accordance with Table 6 2 d Clamp probe around current carrying conductor to be measured e Observe ac current reading in amperes on the 8600A readout NOTE Clamping the probe around more than one current carrying conductor at a time produces a reading that is the vector sum of the currents in the conductors Table 6 2 8600A RANGES FOR CURRENT PROBE 801 600 RANGE SELECTED CURRENT R
68. Products Div Santa Clara CA 50472 Metal Masters Inc City of Industry CA 50541 Hypertronics Corp Hudson MA 50558 Electronic Concepts Inc Eatontown NJ 50579 Litronix Inc Cupertino CA 50891 Semiconductor Technology Stuart FL 50934 Tran Tec Corp Columbus NE 51167 Aries Electronics Inc Frenchtown NJ 51284 Mos Technology Norristown PA 51249 Heyman Mfg Co Cleveland OH 51372 Verbatim Corp Sunnyvale CA 51398 MUPAC Corp Brockton MA 51406 Murata Erie No America Inc Also see 72982 Marietta GA Federal Supply Codes for Manufacturers cont 51499 Amtron Corp Boston MA 51506 Accurate Screw Machine Co ASMCO Nutley 1 51605 CODI Semiconductor Inc Kenilworth NJ 51642 Centre Engineering Inc State College PA 51705 ICO Rally Palo alto CA 51791 Statek Corp Orange CA 51984 NEC America Inc Falls Church VA 52063 Exar Integrated Systems Sunnyvale CA 52072 Circuit Assembly Corp Irvine CA 52152 MN Mining amp Mfg Saint Paul MN 52333 API Electronics Haugpauge Long Island NY 52361 Communication Systems Piscataway NJ 52500 Amphenol RF Operations Burlington MA 52525 Space Lok Inc Lerco Div Burbank CA 52531 Hitachi Magnetics Edmore MO 52745 Timco Los Angeles CA 52763 Stettner Electronics Inc Chattanooga TN 52769 Sprague Goodman Electronics Inc Garden City Park NY 52771 Moniterm Corp
69. RTER A D CONVERTER 4 7 8600 verter to the input of the A D Converter By inserting a voltage at TP11 all input signal conditioners will be by passed The operation of the A D Converter and the Control and Display sections with the exception of the range controls can be checked with the following test If the instrument passes this test the indication is that the fault is in the Input Divider or in the range selection a Select the DCV function and the 200mV range b With no input to the VQ terminals check the voltage at TP11 and at buffer input U4 pin 3 If it is OV proceed to the next step A voltage on TP11 or at the buffer input indicates that one of the control FETs Q14 Q15 Q16 Q17 Q21 or Q13 or Q11 may be shorted or leaky Connect 190mV to TP11 and the return lead to TP3 Refer to table 4 10 and observe the front panel display as the front panel range switches are changed DISPLAY 190 00 19 1 90 19 00 190 00 DECIMAL MAY BE ANYWHERE REPEAT FOR NEGATIVE INPUT Table 4 10 INPUT DIVIDER TEST RANGE SETTING 446 5 CONVERTER 4 47 instrument malfunction affecting only the ohms mode of operation is generally the result of the ohms converter producing an improper level of current for the particular resistance range being used The follow ing procedure should be used to evaluate the operation of the ohms converter a Select the KQ function an
70. Res deposited carbon 10K 5 14W 348839 R251 41035 Res deposited carbon 2 2K 5 343400 R251 42225 Res comp 15K 5 4W 148114 CB1535 Res matched set 5 pc 426544 426544 Res comp 240 5 221895 CB2415 Res comp 150K 5 182212 CB1545 Res met film 68 1K 1 1 8W 236828 MFF1 86812F Res var cermet 50 10 285122 3605500 Res met film 2 194 0 25 1 8W 375345 MFF1 82R194P Res var cermet 20K 10 291609 3608203A Res comp 120K 5 193458 CB1245 Res deposited carbon 62K 5 4W 384904 R251 46235 Res deposited carbon 12K 5 4W 348847 R251 41235 Res met film 59 0K 1 1 8W 261677 MFF1 8593F IC Operational Amplifier 329912 LM318H Connector plug jack red 170480 105 752 Shield 388314 388314 Receptacle Amp MOD II 375329 85863 3 1 77 5 19 8600 gt D 4 7 743 o SPARE FUSE CLIPS FOR LINE CURRENT FUSE AC CONV SHIELD Figure 5 6 AC CONVERTER PCB ASSEMBLY 5 20 6 75 8600 DESCRIPTION PART NO OHMS CONVERTER ASSEMBLY 373845 373845 8600A 4004 Figure 5 7 Cap mylar 0 022uF 20 250V 369165 C281A A22K Cap cer 33pF 2 100V 354852 2222 638 10339 Diode zener 266601 1N965B Diode zener gt Diode Si hi speed switch 203323 1N4148 Relay reed SPST 357582 UF40070 Xstr Si PNP 195974 2N3906 Xstr FET N channel 357905 F2690 Res comp 220 5 147959 2215 Res var
71. TATIC SHIELDING CONTAINERS FOR HANDLING AND TRANSPORT 6 DO NOT SLIDE S S DEVICES OVER ANY SURFACE 7 AVOID PLASTIC VINYL AND STYROFOAM IN WORK AREA PORTIONS REPRINTED WITH PERMISSION FROM TEKTRONIX INC AND GENERAL DYNAMICS POMONA DIV Dow Chemical Page 2 of 2 WHEN REMOVING PLUG IN ASSEMBLIES HANDLE ONLY BY NON CONDUCTIVE EDGES AND NEVER TOUCH OPEN EDGE CONNECTOR EXCEPT AT STATIC FREE WORK STATION PLACING SHORTING STRIPS ON EDGE CONNECTOR HELPS TO PROTECT INSTALLED SS DEVICES HANDLE S S DEVICES ONLY AT A STATIC FREE WORK STATION ONLY ANTI STATIC TYPE SOLDER SUCKERS SHOULD BE USED ONLY GROUNDED TIP SOLDERING IRONS SHOULD BE USED A complete line of static shielding bags and acces sories is available from Fluke Parts Department Telephone 800 526 4731 or write to JOHN FLUKE MFG CO INC PARTS DEPT M S 86 9028 EVERGREEN WAY EVERETT WA 98204 J0089D 07U8604 SE EN Litho in U S A Rev 1 MAR 86 8600 _ _ Section 3 Theory of Operation M M M a 3 1 INTRODUCTION 32 The theory of operation for the Model 8600 is 3 8 DC voltages applied to the input terminals are arranged under two major headings The first titled OVER directed via function switch contacts directly to the A D ALL FUNCTIONAL DESCRIPTION discusses the overall conv
72. TLE PAGE 1 INTRODUCTION AND SPECIFICATIONS 1 1 1 1 INTRODUCTION 1 1 1 9 SPECIFICATIONS 1 2 2 OPERATING INSTRUCTIONS 2 1 2 1 INTRODUCTION 24 23 SHIPPING INFORMATION 2 1 2 6 INPUT POWERS a AS a 2 1 2 9 RACK INSTALLATION 2 1 2 11 OPERATING FEATURES 2 1 2 13 OPERATING NOTES 2 3 2 15 Option Information 2 3 2 17 i ar GOGL se uA 2 2 3 2 19 Overrange Indication 2 3 2 21 Input Overload Protection A V ate ala odes am eid 2 3 2 23 Autoranging 2 3 225 OPERATION 2 4 3 THEORY OF OPERATION 3 1 3 1 INTRODUCTION 3 1 3 3 OVERALL FUNCTIONAL DESCRIPTION 3 1 3 4 Introduction 3 1 3 6 Input Signal Conditioners 3 1 3 12 A D Converter 3 2 3 15 Control and Display 3 2 3 18 Data Output Unit DOU 3 3 3 20 CIRCUIT DESCRIPTION 3 3 3 22 Input Signal Conditioners 3 3 3 37 A D Converter LL 3 6 3 42 Control and Display 3 8 continued on page ii 1 77 8600
73. UPPLY CHECKS Para 4 38 Para 3 25 REPAIR POWER Para 4 46 SUPPLY ACV PERFORMANCE TEST INPUT DIVIDER CHECK Pera 4 22 Table 4 5 Para 4 44 Pass Para 3 30 Para 4 51 DC CURRENT PERFORMANCE TEST A D CONVERTER CHECK Para 4 20 Table 4 4 Porn 4 58 Figure 43 Para 3 33 Para 4 59 Para 3 38 Para 4 49 READY FOR CALIBRATION CONTROL AND DISPLAY Para 4 61 Para 3 42 Figure 4 2 TROUBLESHOOTING FLOW CHART 4 38 Power Supply Checks 4 39 Incorrect output voltages from the 5 volt 15 volt or 15 volt supplies may cause the unit to exhibit various improper indications Because of this the power supplies should be checked in the event of any 8600A malfunction Use the following procedure to check the power supply output voltages a Connect the test equipment multimeter return lead to the V 2 LOW input terminal b Connect the high input lead to TP12 the 5 volt supply The power supply voltage should be 8600A 4 75V to 5 75 c Connect the high input lead to TP4 the 15 volt supply The power supply voltage should be 15 0 10 5 volts d Connect the high input lead to TP5 the 15 volt supply The power supply voltage should be 15 0 0 5 volts 4 40 Fault Area Isolation 441 Amalfunction in the 8600A may be isolated to a particular section of the circuitry by observing the front panel display during each mode of operation The perfor mance tests par 4 14 will exercise the 8600A in eac
74. USE CODE EFFECTIVITY LIST USE CODE SERIAL NUMBER EFFECTIVITY For U8 page 5 3 A Up to 42560 order CMOS B 42560 and above order PMOS 1 77 8600 TOT REC USE DESCRIPTION FINAL ASSEMBLY MODEL 8600A Figure 5 1 Front Panel and Main PCB Assembly 8600A Line power only 365866 365866 8600A 01 Battery Power 366906 366906 Battery Power Supply PCB Assembly 01 Option 100Vac version 378380 378380 115Vac version 373837 373837 230Vac version 378372 378372 AC Converter Assembly 373852 373852 Ohms Converter Assembly 373845 373845 Input Divider Assembly 397463 397463 DOU PCB Assembly 8600A 02 366369 366369 Case molded 330076 330076 Case molded DOU 8600 02 384800 384800 Decal knob 347401 347401 Decal name plate 380667 380667 Handle molded 330092 330092 Pad foot 338632 338632 Fuse slo blo 1 8A spare 166488 MDL 5 Socket DIP 14 pin 8600 02 291542 583527 1 Line cord 343723 343723 Test lead pair 343657 21058 Fuse fast acting 4A spare 8600A 01 109322 MDL 3 4 5 Digit C MOS 40 pin 354985 354985 1 IC dig P MOS univ auto ranging 407734 2506 1 DVM logic 407734 Indicates MOS device which may be damaged by static discharge lt 5 3 1 77 8600 Figure 5 1 8600A FINAL ASSEMBLY 8600 ToT REC USE REF X463VW04791 FLUKE DESCRIPTION STOCK NO FRONT PANEL AND MAIN PCB ASSY 8600A Line Power Main PCB Assy
75. al El Paso TX OAE89 Autosplice Inc Woodside NY OBW2i Noritake Co Inc Burlington MA OANFO Topaz Semiconductor Inc San Jose CA ODSM7 Conductive Pkg Containers Inc Brookfield WI OCLN7 Emhart Fastening Group Shelton CT OFB81 S Mos Systems Inc San Jose CA OFFP1 Eveready LTD Ever Ready Special Battery Div Dawley Telford Salop UK 00199 Marcon Electronics Corp Keamy NJ 00213 Nytronics Comp Group Inc Darrlingon NC 00327 Welwyn Intemational Inc Westlake OH 00656 Aerovox Corp New Bedford MA 00686 Film Capacitors Inc Passaic NJ 00779 AMBP Inc Harrisburg Pennsylvania 00853 Sangamo Weston Inc Components Div Pickens NC 01091 Allied Plastics Co Los Angeles CA 7 2 Federal Supply Codes for Manufacturers 01101 Wabash Inc Formerly Wabash Magnetics Wabash IN 01121 Allen Bradley Co Milwaukee WI 01281 TRW Electronics amp Defense Sector RF Devices Lawndale CA 01295 TX Instruments Inc Semiconductor Group Dallas TX 01526 Genicom Waynesboro VA 01537 Motorola Communications amp Electronics Inc Franklin Park IL 01686 RCL Electronics Shalleross Inc Electro Components Div Manchester NH 01884 Sprague Electric Co Now 56289 01961 Varian Associates Inc Pulse Engincering Div Convoy CT 01963 Cherry Electrical Products Corp Waukegan IL 02111 Spectrol Electronics Corp City of Industry CA 02114 Am
76. als Chicago IL 28198 Positronic Industries Springfield MO 28213 MN Mining amp Mfg Co Consumer Products Div 3M Center Saint Paul MN 28309 Kaiser Minette AL 28425 Serv O Link Euless TX 28478 Deltrol Corporation Deltrol Controls Div Milwaukee WI 28480 Hewlett Packard Co Corporate HQ Palo Alto CA 28484 Emerson Electric Co Gearmaster Div McHenry IL 28520 Heyco Molded Products Kenilworth NJ 28932 Lumax Industrials Inc Altoona PA 29083 Monsanto Co Santa Clara CA 29604 Stackpole Components Co Raleith NC 29907 Omega Engineering Inc Stamford CT 30536 Aimsco Inc Seattle WA 30035 Jolo Industries Inc Garden Grove CA 30045 Solid Power Corp Farmingdale NY 30146 Symbex Corp Painesville OH 30148 AB Enterprise Inc Ahoskie NC 30161 Aavid Engineering Inc Laconia NH 30315 Itron Corp San Diego CA 30323 IL Tool Works Inc Chicago IL 30800 General Instrument Corp Capacitor Div Hicksville NY 30838 Fastec Chicago ILL 31019 Solid State Scientific Inc Willow Grove PA 31091 Alpha Industries Inc Microelectronics Div Hatfield PA 31323 Metro Supply Company Sacramento CA Federal Supply Codes for 31433 Kemet Electonics Corp Simpsonville NC 31448 Army Safeguard Logistics Command Huntsville AL 31471 Gould Inc Semiconductor Div Santa Clara CA 31522 Metal Masters Inc Baldwin MS 31746
77. ange for 8600A 01 instruments 1 77 Remove the phillips screw from the rear of the instrument b Remove the case pull it straight back from the front panel c Locate the power selection switch near the rear or the main pcb assembly d For 100 or 115V ac operation position the slide switch so that 115 appears in the slide aperture For 230V 240V ac operation set the switch so 230 appears e Replace the case and phillips screw 2 8 The rear panel power input connector is a three prong U ground connector which permits the instrument to be connected via the power cord to the appropriate line power The offset prong on this connector is connected to the 8600A power supply and should be connected via the power cord to a high quality earth ground 2 9 RACK INSTALLATION 2 10 86004 is designed for either bench top use or for installation in standard 19 inch equipment rack using an optional accessory rack mounting kit Rack mounting kits are available for left right center or side by side mounting of the 8600A Information regarding installation of the rack mounting accessories is given in Section 6 under Rack Installation 2 11 OPERATING FEATURES 2 12 The location of all 8600A controls indicators and connectors are shown in Figure 2 1 and described in Table 2 1 2 1 8600 FUNCTION Dom RANGE 1200V POWER 2000 2 20 200 20008 AUT
78. at the VQ terminals is proportional to Rx 3 29 If the voltage at the input terminals is too small or exceeds 2V autoranging is initiated in the DVM IC 08 The voltage Vx is held below a maximum of 5V As Vx increases toward 5 Q13 and Q12 begin to conduct holding the voltage at the inverting input of U1 below SV Q11 serves as a current sink and holds the noninverting input of U1 below 5V OHMS PCB R90 R20 20k R22R41 i CR10 R12 R52 MAIN PCB Figure 3 3 OHMS CONVERTER BLOCK DIAGRAM 3 4 1 77 8600A Table 3 1 OHMS CONVERTER OPERATING CONDITIONS 9990 10 000 0 14A 9990 10 000 2 2000KQ 990KQ 1 000KQ 104A 200 90KQ 100KQ 100uA 20KQ 00 10KQ 100044 og 10KQ 10004A 200 Table 3 2 AC CONVERTER RELAY OPERATION AC Converter output to the A D Converter Figure 3 4 is a simplified circuit diagram of the AC Converter 3 32 With no ac signal applied to the VQ terminals Q1 1200VAC 01 and 07 are biased on such that the current flowing 200VAC through CL1 and Q7 produces OV at the collector of Q7 20VAC An ac signal is coupled by C1 from the VQ terminals to 2VAC input impedance resistor R17 The ac signal is then applied 200mVAC to the inverting input of Q1 and U2 The network composed of Q1 U2 CR5 Q7 CR11 CR12 and R46 or R37 R47 and R38 depending on the range selected is a form of 3 30
79. ay to produce the digital readout of the instrument input sig nal The range information from the selected range switch positions the decimal point and illuminates the proper display annunciator 3 18 Data Output Unit DOU 3 19 DOU provides the display data as a rear panel card edge output The bcd information presented to the instrument display polarity overload range code and digit is also applied to the DOU input A busy flag is provided so that the output data may not be used while the 8600 is feeding a new input measurement to the DOU register pulse train plus one of the data strobe signals time the data transfer to insure that all the data supplied to the DOU output is stable and not taken during transition periods For detailed information refer to Section 6 3 20 CIRCUIT DESCRIPTION 3 21 Thefollowing circuit descriptions are keyed to the functional blocks defined in the overall functional block diagram of Figure 3 1 Corresponding functional blocks are defined in more detail using either simplified block dia 1 77 grams or by referring to the schematics Schematics for the 8600A circuits are provided in Section 8 3 22 Input Signal Conditioners 3 23 INPUT DIVIDER 3 24 Input Divider comprises a series connected resistor network R3 R4 R5 R6 R7 and R8 totaling approximately ten megohms This network is tapped at three points to provided division ratios of 10 1 100 1 and 1000 1 Rela
80. causing transistors Q201 and Q202 to alternately conduct The alternating current in the primary windings is stepped up by the secondary wind ing and applied to a bridge rectifier consisting of CR203 through CR206 The two halves of the rectifier output are applied to two voltage regulators U202 and U203 The resulting 15V and 15V power supply voltages provide the operating power for the instrument 6 69 Maintenance _ 6 70 POWER 6 71 The 8600A 01 in addition to battery operation is capable of operating from either 100 115 or 230V ac 50 or 60 Hz line power Before connecting the instrument to line power check and if necessary use the following pro cedure to prepare the unit for operation at the local line volt age a Remove the phillips screw from the rear of the instrument b Remove the case from the unit by pulling it straight back from the front cover 6 10 c Locate the Battery Power Supply PCB Assembly See Figure 5 1 and determine the size of the large capacitor C201 on the pcb See Figure 5 5 The relationship of this capacitor to line power is as follows 1 5 048 115 60 Hz 2 6 6uF 100V 50 Hz 3 2 8uF 230V ac 50 Hz d Install the appropriate capacitor The capacitors specifications and John Fluke part numbers are given in the Lists of Replaceable Parts Section 5 Battery Power Supply PCB Assembly Install the unit in its case and insert the phillips Scre
81. cermet 200 41096 4 W 285148 3608201A Res met film 2K 1 1 8W 335422 7 MFF1 8202F Res var cermet 100 10 W 285130 3605101 Res WW power 9 95 40 19 SW 363275 160 9950 1 Res var cermet 50 10 4W 285122 3608500A Res WW bobbin 13 5K 40 19 0 15W 363119 SP21 Res selected gt Res comp 10K 5 14W 148106 CB1035 Res comp 22K 5 4W 148049 CB2225 Res selected Res met film 4 22K 1 1 8W 168245 MFF1 84221F IC operational amplifier 357830 LH0042C IC linear operational amplifier 363515 AD301AN Connector plug jack red 170480 105 752 Receptacle Amp MODII 375329 8586303 Socket IC 14 pin DIP 276527 TSA2900 14W CR10 R90 and R41 are matched components Order Part No 458760 1 77 5 21 8600 4 SELECTED A90 SELECTED En 1 OG bye Figure 5 7 OHMS CONVERTER ASSEMBLY 5 22 6 75 8600 DESCRIPTION PART NO INPUT DIVIDER PCB ASSEMBLY 397463 8600A 4005 Figure 5 8 Diode Si 150 mA 203323 1N4148 Relay dry reed SPST 357582 UF40070 Coil reed relay 269019 U6P Dry reed SPST 289850 289850 Res var cermet 5K 10 288282 360S502A Re var cermet 500 10 291120 3608501A Res var cermet 50 10 ZW 285122 3605500 Res network 5 pc 375105 JF002 Connector plug jack red 170480 105 752 Receptacle Amp MODH 375329 85836 3 Figure 5 8 INPUT DIVIDER ASSEMBLY 6 75 5 23 DESCRIPTION PART NO DOU PC
82. cilloscope check U10 pins 9 through 15 LED segment drive signals for a squarewave signal alternating between 3 5 volts and 0 4 volts 4 65 When segment of only one LED is dark the LED is the probable cause of the failure If however the same segment in all LED s is out the particular segment drive signal U10 pins 13 12 11 10 9 15 or 14 corre sponding to segments A B C D E F and G respectively can be checked for the required voltage change from 3 5 volts to 0 4 volts as the segment lights 4 66 When one digit in the display remains dark the strobe signal for that digit should be checked The base of Q37 MSD Q29 2SD Q31 3SD Q33 4SD and Q35 LSD should go to 5 volts as each is strobed on for 300s 4 67 When the display indicates that one of the binary codes 1 2 4 or 8 is missing the bcd output from U8 can be observed at pin 31 1 32 2 33 4 and 35 8 The output at each pin should drop from 5 volts to about zero volts when that code is used to produce the digit being displayed If the bcd information at U8 is cor rect the probable cause of the failure is U10 4 68 When one display digit is bright and all others are off the clock oscillator is the probable cause Check the operation of U7 U8 and the 1 MHz crystal Y1 1 77 8600 A er OPNS Section 5 Lists of Replaceable Parts i A TABLE CONTENTS ASSEMBLY NAME NUMBER PART NO PAGE Final
83. d 20 range b Place a good quality short across the V Q input terminals c Measure the voltage level at the cathode of CR2 It should be 10 0 1V dc d If the voltage is incorrect measure the voltage at pin 3 of U1 This point should be 0 00 volts 100 microvolts 4 8 e voltage level greater than ten volts at CR2 and zero volts at pin 3 of U1 would indicate that the current source Q3 U3 and associated com ponents is supplying more current than normal If the voltage at CR2 were less than ten volts the current from Q3 would probably be less than normal 448 operation of the current source can be checked by measuring the voltage at pins 2 and 3 of U3 The voltage on both pins should be approximately 8 6 volts Uneven voltages may be caused by improper re sistance value of R35 or R91 or a failure in CR10 The voltages at pin 2 and 3 of U3 may be proper and the cur rent supply from Q3 improper if the gate of Q3 were leaking current back to pin 6 of U3 449 CURRENT SHUNTS 4 50 Failures in the current mode of operation affect ing all current ranges would probably be attributed to a failure in one of the following areas 1 the input fuse F1 open 2 one or more of diodes CR1 CR6 CR7 or CR8 shorted or 3 improper connection in the con tacts of function switch S2 ACI or S4 DCI or range switches S6 S10 4 531 CONVERTER 4 52 Generally a failure in the ac converter will do one of
84. e If desired the 8600A can be operated during the charging process however the charging time will be increased 6 62 Specification 6 63 The specifications for the Battery Pack are given in Section 1 of this manual 6 64 Operation CAUTION Damage may result if alkaline zinc carbon or mercury batteries are charged in the 8600A 6 9 8600 6 65 With a fully charged battery pack the 8600A can be disconnected from line power and operated for typically 8 hours as a portable instrument When all the display decimal points flash on and off the battery pack should be recharged by switching the POWER switch to OFF and connecting the instrument to the ac power line The total charge time is approximately 16 hours 1f desired the 8600A can be operated during the charging process how ever the charge time will be extended to approximately 43 hours NOTE Battery manufacturers recommend that Ni cad batteries be recharged at least every 90 days Storage temperatures below 25 C are recommended 6 66 Theory of Operation 6 67 The 8600A equipped with the battery pack option 01 uses the power transformer configuration shown in Figure 7 2 and the battery power supply pcb shown in Figure 7 6 With the POWER switch in the ON position the batteries are connected to the input of the battery power supply pcb a dc to dc converter 6 68 5 volts from the battery is applied to the primary windings of T201
85. equipped with one of the available options Detailed information regarding the tion of each available option is given in Section 6 Options and Accessories 2 17 Fuses 2 18 8600A is equipped with a line power fuse and a current overload fuse for the current measuring function The line fuse is located near the transformer on the inside of the instrument The following procedure should be carried out only by qualified personnel To gain access remove ac power remove the retaining screw on the rear of the case and remove the instrument from the case When replace ment is necessary use an AGC 1 8A fuse The current in put fuse is located behind the front panel MA INPUT ter minal and is accessed by turning ccw and removing the MA INPUT terminal Use a John Fluke 376582 replace ment fuse or equivalent 2A fast blo fuse AGX 1 inch in length 8600A 2 19 Overrange Indication 2 20 front panel display in addition to providing a measurement reading is designed to serve as an overrange indicator When the full scale capability of the selected range for any function is exceeded the display will blink while indicating a 18888 reading The presence of an overrange indication does not necessarily mean that the instrument is being exposed to a damaging input condition 2 21 Input Overload Protection CAUTION Exceeding the maximum input overload conditions can damage the 8600A 2 22 gt Each ra
86. erter in the 200 mV and 2V ranges but to the in operation of the instrument in terms of the functional re put divider in higher ranges The input divider divides lationships of the major circuits The second section is it by 10 100 or 1000 in the 20 200 and 1200 volt titled CIRCUIT DESCRIPTION and deals with the in ranges respectively The A D converter is provided with a ternal operation of each major circuit in more detail Block dc voltage level representing full scale of 200 mV for the diagrams and simplified circuit diagrams are included in 200 mV range and two volts for the 2V through 1200V these sections The complete schematic diagrams are lo ranges cated in Section 8 of this manual 3 9 An ac voltage input to the instrument is applied 3 3 OVERALL FUNCTIONAL DESCRIPTION through switch contacts to the ac converter The converter then changes the ac input to an equivalent dc voltage for 3 4 Introduction the 200 mV and 2V ranges In the 20 V through 1200 V ranges the feedback within the ac converter is changed by 3 5 The 8600A circuitry can be divided into three reed relays so that the dc voltage output to the A D major sections The first of the three sections termed In converter is two volts for a full scale indication on the put Signal Conditioners see Figure 3 1 comprises the In 20 V and 200 V ranges and 1 2 volts on the 1200 V put Divider Ohms Converter AC Converter and Current range Shunt The second section is the
87. eting Bethel CT 91094 Essex Group Inc Suflex IWP Div Newmarket NH 91247 IL Transformer Co Chicago IL 91293 Johanson Mfg Co Boonton NJ 91462 Alpha Industries Inc Logansport IN 91502 Associated Machine Santa Clara CA 91506 Augat Alcoswitch N Andover MA 91507 Froeliger Machine Tool Co Stockton CA 91637 Dale Electronics Inc Columbus NE 91662 Elco Corp A Gulf Westem Mfg Co Connector Div Huntingdon PA 91737 ITT Cannon Gremar Now 08718 91802 Industrial Devices Inc Edgewater NJ 91833 Keystone Electronics Corp NY NY 91836 King s Electronics Co Inc Tuckahoe NY 91929 Honeywell Inc Micro Switch Div Freeport IL Federal Supply Codes for Manufacturers cont 91934 Miller Electric Co Woonsocket RI 91967 National Tel Tronics Div of electro Audio Dynamics Inc Meadville PA 91984 Maida Development Co Hampton 91985 Norwalk Valve Co S Norwalk CT 92218 Wakefield Corp The Wakefield ME 92521 VTC Inc Bloomington MN 92607 Tensolite Co Div of Carlisle Corp Buchanan NY 92914 Alpha Wire Corp Elizabeth NJ 93332 Sylvania Electric Products Semiconductor Products Div Woburn MA 94144 Raytheon Co Microwave amp Power Tube Div Quincy MA 94222 Southco Inc Concordville PA 94988 Wagner Electric Corp Sub of Mcgraw Edison Co Whippany NJ 95146 Alco Electronic Products Inc Switch Div Nor
88. from an external clock consisting of Y1 and 07 Range information can be manually programed by the front panel range and function switches or auto matically programed by U8 Eight strobe signals STO ST7 are developed in U8 and are used for range program ming and display timing Digit information from the counter is strobed out in bcd format on lines W X Y and Z weighted 8 4 2 and 1 respectively The strobe signals are strobed sequentially but the digit information pre sented on W X Y and Z is interleaved The main signi ficant digit MSD without polarity appears at STO The MSD with polarity is presented at ST7 For the display either STO or ST7 is selected by 016 which is programed by the function switches The second significant digit 2SD appears on W X Y and Z at ST2 the 3SD at 514 the 4SD at ST6 and the SSD at ST1 W X Y and Z pre sent the digit information to a seven segment decoder U10 The strobe signals light the appropriate display LED U11 0015 through the strobe drivers Q29 Q39 The decimal point logic DPL from U8 outputs a signal at the appro priate strobe signal For the lowest range and the 20 MQ range lower or upper annunciators will light 3 45 Range information outputs from U8 appear at a b and c pins 29 28 and 30 which are weighted 4 2 and 1 respectively The range information is also presented on W X Y and Z at ST5 for the DOU output The out puts at a b and c are steady sta
89. gic level 1 4 75 to 5 25V applied to ARM ENABLE pin B and a logic level 0 applied to FREE RUN will prevent acquisition of new data by the DOU A positive going trigger applied to ARM INPUT pin C will enable the DOU to acquire data New data will start to load into the DOU after the next measurement is complete BZ from the instrument to the DOU occurs synchro nously with the second STO signal affer a measurement is complete and lasts for one strobe cycle BZ is presented to 010 as a data input STS clocks the data into U10 As soon as data appears in U10 RG is applied through U11 and the isolation circuit to U4 U3 U2 and U1 At this time the busy flags are applied to the DOU output signify ing that data is being changed U10 enables the data on W to be serially loaded into the bottom of U4 during the first strobe cycle When 515 occurs again the data 010 is shifted to enable the data on X to be loaded into U4 Four strobe cycles are required to load the new data When the fifth 515 signal occurs U10 is emptied of data and all its outputs are 0 RG is then inhigited by U11 and the clocking of data ceases The busy flags are cleared from the DOU output and the data can be read ARM INPUT may go to O at any time in the cycle but it must go to 0 before a data update can be externally commanded If desired the DOU will automatically update at the end of each instrument measurement If FREE RUN is allowed to be high the D
90. h function in order to determine the functional operations of the unit affected by the failure 442 indications observed during the 8600A oper ation in each of four functions VDC VAC Ohms and DC current may isolate the failure to a particular area Table 4 9 lists the fault area indicated by various combina tions of proper or improper 8600A operation in each of the four functions exercised in the performance test 443 Troubleshooting information for the indicated fault area is presented in the following paragraphs Pro ceed to the troubleshooting information for the indicated failure area It should be kept in mind that some failures may cause improper operation of functional areas other than the one actually containing the problem 4 44 INPUT DIVIDER 4 45 Problems in the Input Divider will generally give improper operation in the DCV and OHMS functions leaving other functions unaffected There are exceptions however For example the relay K4 must be energized in all ACV ranges to connect the output of the AC Con Table 4 9 FAULT AREA INDICATION 8600A FUNCTION PROPER INPUT DIVIDER FAULT AREA INDICATED OHMS 1 77 8600A OPERATION PROPER OR IMPROPER IMPROPER PROPER PROPER PROPER IMPROPER IMPROPER IMPROPER PROPER PROPER IMPROPER PROPER PROPER IMPROPER PROPER IMPROPER PROPER PROPER IMPROPER IMPROPER CURRENT AC SHUNT CONVERTER OR CONTROL AND DISPLAY CONVE
91. he model or option number The option descriptions contain applicable operating and maintenance instruction and field installation procedures Replaceable parts and schematics for all options are given in Sections 5 and 8 respectively 6 3 CARRYING CASE C80 64 The Model C80 Carrying Case Figure 6 1 is a soft vinyl plastic container designed for the storage and transport of the 8600A The case provides the 8600A with adequate protection against normal handling and storage conditions A separate storage compartment is provided for test leads power cord and other compact accessories 65 CARRYING CASE C86 6 6 The Model C86 Carrying Case Figure 6 2 is a molded polyethylene container with handle designed for use in transporting the 8600A This rugged case provides the 8600A with maximum protection against rough handling and adverse weather conditions A separate stor age compartment is provided for test leads power cord and other compact accessories 67 FRONT PANEL DUST COVER M00 100 714 6 8 The front panel dust cover is a molded plastic snap on accessory which fits over the front panel of the 8600A The dust cover provides protection for the front panel controls and is useful when storing or transporting the 8600A 6 9 RACK MOUNTING KITS 6 10 Introduction 6 11 Three rack mounting kits are available for mount ing the 8600A in a standard 19 inch equipment rack The kits listed in Table 6 1 provide
92. he dc voltage input to the A D Converter determines which polarity sign will be presented at DOU output pin 3 pin 5 provides POL in Model 8800A only A positive dc level at the converter will cause DOU output pin 3 to go to logic 1 and pin 5 8800A to go to logic 0 A negative converter input will cause the opposite logic level output from each pin 6 94 OVERLOAD INDICATION 6 95 The DOU provides a single bit output indication of a display overload condition When the digit count exceeds the display capacity pin 6 of the DOU output connector changes from a logic O to logic 1 6 96 RANGE CODE 6 97 instrument range is presented in three bit bcd format at DOU output connector pins 7 and F The output code representing each range is presented in Table 6 4 6 98 DISPLAY DIGIT 6 99 The numerical value of each digit of the instrument display is presented in a four bit bcd format at the DOU output connector The connector pin assignments for each significant digit of the display are provided in Table 6 4 The most significant digit DOU connector pins 18 19 V and W needs only one active bit to represent the two display digits 1 or 0 The three remaining bits are connected to ground in the DOU and in most cases the corresponding bits in the remote display unit must also be grounded to represent a logic 0 6 100 DOU INTERFACE CABLE 6 101 mating DOU connector is supplied with the DOU option for fabricatio
93. he instrument should be shipped in the original packing carton or if it is not available use any suitable container that is rigid and of adequate size If a substitute container is used theinstrument should be wrapped in paper and surrounded with at least four inches of excelsior or similar shock absorbing material CLAIM FOR DAMAGE IN SHIPMENT TO ORIGINAL PURCHASER The instrument shoula be thoroughly inspected immediately upon original delivery to purchaser All material in the container should be checked against the enclosed packing list The manufacturer will not be responsible for shortages against the packing sheet unless notified immediately If the instrument is damaged in any way a claim should be filed with the carrier immediately To obtain a quotation to repair shipment damage contact the nearest Fluke Technical Center Final claim and negotiations with the carrier must be completed by the customer The JOHN FLUKE MFG CO INC will be happy to answer all applications or use questions which willenhance your use of this instrument Please address your requests or correspondence to JOHN FLUKE MFG CO INC P O BOX C9090 EVERETT WASHINGTON 98206 ATTN Sales Dept For European Customers Fluke Holland B V P O Box 5053 5004 EB Tilburg The Netherlands For European customers Air Freight prepaid John Fiuke Mfg Co Inc Box C9090 Everett Washington 98206 Rev 6 81 8600 Table of Contents SECTION TI
94. hicago IL 70563 Amperite Company Union City NJ 70903 Cooper Belden Corp Geneva IL 71002 Bimbach Co Inc Farmingdale NY 71034 Bliley Electric Co Erie 71183 Westinghouse Electric Corp Bryant Div Bridgeport CT 71279 Interconnection Products Inc Formerly Midland Ross Cambion Div Santa Ana CA 71400 Bussman Manufacturing Div McGraw Edison Co St Louis MO 71450 CTS Corp Elkhart IN Federal Supply Codes for Manufacturers cont 71468 ITT Cannon Div of ITT Fountain Valley CA 71482 General Instrument Corp Clare Div Chicago IL 71590 Mepco Centralab North American Philips Co Fort Dodge IA 71707 Coto Corp Providence RI 71744 General Instrument Corp Lamp Div Worldwide Chicago IL 71785 TRW Inc Cinch Connector Div Elk Grove Village IL 71984 Dow Coming Corp Midland MI 72005 AMAX Specialty Metals Corp Newark NJ 72136 Electro Motive Mfg Corp Florence NC 72228 AMCA International Corp Continental Screw Div New Bedford MA 72259 Nytronics Inc New York NY 72619 Amperex Electronic Corp Dialight Div Brooklyn NY 72653 Electronics Co Div of Hydrometals Inc Rockford IL 72194 Dzus Fastner Co Inc West Islip NY 72928 Gulton Industries Inc Gudeman Div Chicago IL 72962 Elastic Stop Nut Div of Harrard Industries Union NJ 72982 Erie Specialty Products Inc Formerly Murata Erie
95. is pro portional to the level of charge on the capacitor The dis charge time is measured by counting the number of cycles of a reference frequency that occur from the start of dis charge to the point where the capacitor reaches a selected zero detect level Figure 3 5 is a basic illustration of the A D Converter The Input Divider is shown as the A D Converter input voltage source 3 6 3 39 The dc voltage from the input divider is gated through Q14 to the noninverting input of buffer U4 by the 100msec integrate INT control signal The output of U4 is applied to the inverting input of integrator U5 C28 is charged by 05 and U4 through R80 except that in the lowest range the charge path is through R66 and R80 The slope of the output voltage from US is propor tional and opposite in polarity to the level of the dc voltage from the input divider The output of US is applied to the input of comparator U6 As the output of U5 changes away from OV the output of U6 changes from random noise to a steady state of either OV or 5 depending on the polarity of the dc voltage from the input divider At the end of the integrate period Q14 is turned off U4 and US no longer charge C28 and the charge on C28 is held Also at the end of the integrate period the state of the output of U6 is memorized in the DVM IC U8 An appro priate read reference is selected in U8 DE R is selected for negative voltages from the input divider or DE R
96. isplayed as an offset on the front panel readout The level at either pin should not exceed 30 millivolts nor be less than 20 millivolt If the voltage level is too high or there is a difference in voltage level between the two check current source CL1 or transistors Q7 and Q9 or capacitors C12 and C13 4 55 operation of the ac converter with an ac in put applied observed at the circuit locations described below may indicate the fault area With the 8600 in the 2V range and AC V function apply a 1V rms 500 Hz signal to the V Q INPUT terminals and proceed as described below a Connect the input return lead of an oscilloscope to the 8600A MA LO terminal b Connect the scope input probe to the ac convert er input at the wire connection on S2A Note the amplitude of the signal it should be 2 8 volts peak to peak Move the scope input probe to U2 pin 6 The ac signal at this point should be about one quarter of the amplitude of the input signal or about 0 7 volts peak to peak If correct go to step e d If the signal is not present at this point or the dc voltage level is close to either the 15 volt or 15 volt supply U2 Q7 or CL1 are probably defective If the signal is distorted check the operation of 01 e Connect the scope input probe to the base of Q7 the signal here should be one quarter of the amp litude of the input signal f The ac converter output at pin 9 should be one volt dc plus
97. l Equipmentos de Elec e Cientificos Av Bomberios Voluntarios Lote 102B Miraflores Alges 1495 Lisboa Tel 351 1 410 3420 5 89 Singapore Rank O Connor s Singapore PTE Ltd 98 Pasir Panjang Road Singapore 0511 Tel 65 4737944 South Africa South African Philips Pty Ltd Service Department 195 Main Rd Martindale Johannesburg 2092 Tel 27 11 470 5255 Spain Philips Iberica S A E Depto Tecnico Instrumentacion c Martinez Villergas 2 28027 Madrid Tel 34 1 4042200 Sweden Philips Kistaindustrier AB Customer Support Borgarfjordsgatan 16 5 16493 Kista Switzerland Philips A G Technischer Kundendienst Postfach 670 Allmendstrasse 140 CH 8027 Zurich Tel 41 1 482211 Taiwan Schmidt Electronics Corp 5th Floor Cathay Min Sheng Commercial Building 344 Min Sheng East Road Taipei Tel 886 2501 3468 Thailand Measuretronix Ltd 2102 63 Ramkamhaeng Rd Bangkok 10240 Tel 66 2 374 2516 374 1632 Turkey Turk Philips Ticaret A S Inonu Caddesi 78 80 Posta Kutusu 504 Beyoglu Istanbul Tel 90 1 1435891 Uruguay Coasin Uruguaya S A Casilla de Correo 1400 Libertad 2525 Montevideo Tel 598 2 789015 Venezuela Coasin C A Calle 9 Con Calle 4 Edif Edinurbi Apartado de Correos Nr 70 136 Los Ruices Caracas 1070 A Tel 58 2 241 0309 241 1248 West Germany Philips GmbH Department VSF Service fuer FLUKE Produkte Oskar Messter Strasse 18 D 8045 Ismaning Munich Tel
98. l 972 3 483211 Italy Philips S p A Sezione 1 amp Viale Elvezia 2 2005 Monza Tel 39 39 3635342 Japan John Fluke Mfg Co Inc Japan Branch Sumitomo Higashi Shinbashi Bidg 1 1 11 Hamamatsucho Minato ku Tokyo 105 Tel 81 3 434 0181 Korea Myoung Corporation Yeo Eui Do Box 14 Seoul 150 Tel 82 2 784 0942 Malaysia Mecomb Malaysia Sdn Bhd P O Box 24 46700 Petaling Jaya Selangor Tel 60 3 774 3422 Mexico Mexei Servicios en Computacion Instrumentacion y Perifericos Blvd Adolfo Lopez Mateos No 163 Col Mixcoac Mexico D F Tel 52 5 563 5411 Netherlands Philips Nederland Test 8 Meetapparaten Div Postbus 115 5000 AC Tilburg Tel 31 13 352445 5 89 TECHNICAL SERVICE CENTERS 4 New Zealand Philips Customer Support Scientific amp Industrial Division 2 Wagener Place Mt Albert Auckland Tel 64 9 894 160 Norway Morgenstierne amp Co A S Konghellegate 3 P O Box 6688 Rodelokka Oslo 5 Tel 47 2 356110 Pakistan International Operations PAK Ltd 505 Muhammadi House 11 Chundrigar Road P O Box 5323 Karachi Tel 92 21 221127 239052 Peru Importaciones amp Representaciones Electronicas S A Avad Franklin D Roosevelt 105 Lima 1 Tel 51 14 288650 Philippines Spark Radio amp ElectronicS Inc Greenhills P O Box 610 San Juan Metro Manila Zip 3113 Tel 63 2 775192 Portugal Decada Espectra
99. lied Sciences Inc Rockville MD 23880 Stanford Applied Engineering Santa Clara CA 23936 William J Purdy Co Pamotor Div Burlingame CA 24347 Penn Engineering Co S El Monte CA 24355 Analog Devices Inc Norwood MA 24444 General Semiconductor Industries Inc Tempe AZ 24546 Bradford Electronics Bradford PA 24618 Transcon Mfg Now DJ Associates Inc 24655 Genrad Inc Replaced General Radio 05173 Concord MA 24759 Lenox Fugle Electronics Inc South Plainfield NJ 24796 AMF Inc Potter amp Brumfield Div San Juan Capistrano CA 24931 Specialty Connector Co Greenwood IN 24995 ECS Grants Pass OR 25088 Siemen Corp Isilen NJ 25099 Cascade Gasket Kent WA 25403 Amperex Electronic Corp Semiconductor amp Micro Circuit Div Slatersville RI 25435 Moldtronics Inc Downers Grove IL 25706 Dabum Electronic amp Cable Corp Norwood NJ 26402 Lumex Inc Bayshore NY 26629 Frequency Sources Inc Sources Div Chelmsford MA 26806 American Zettler Inc Irvine CA 27014 National Semiconductor Corp Santa Clara CA 27167 Coming Glass Works Corning Electronics Wilmington NC 27264 Molex Inc Lisle IL 27440 Industrial Screw Products Los Angeles CA 27494 Staffall Inc Providence RI 27745 Associated Spring Bames Group Inc Syracuse NY 27918 Component Parts Corp Bellmore NY 27956 Relcom Now 14482 28175 Alpha Met
100. ltage when Q21 is enabled needed to process a positive input voltage 3 41 The different zero detect levels applied to U6 compensate for the 15 usec delay introduced at the end of the integrate period The delay and subsequently different zero detect levels are used to facilitate a solid zero display in the presence of noise with no input Also errors due to noise are minimized The zero detect levels are determined by the logic levels of the read reference switches and the associated resistive network 1 77 8600 3 7 21501 AW LT L ZY HO4 AU 0 Au BL 0 13437 193144 2 5 A D CONVERTER BLOCK DIAGRAM Figure 3 1 1 l 1 OL E 3uVdWOO 1 77 8600A 3 42 Control and Display 3 43 control portion of the instrument consists of contacts of the range and function switches a three pole double throw switch U16 a bipolar ROM U9 and custom integrated circuit U8 The range and function switch posi tions in conjunction with strobe signal inputs to U16 con trol the illumination of the polarity indicator on the display and the selection of five or six ranges for the autorange feature Refer to Figure 8 1 for the schematic diagram of the control circuits 3 44 timing and control information is developed in the DVM IC 08
101. n of a custom interface cable Use the following procedure when constructing the interface cable a Assemble the following equipment l Teflon or vinyl insulated wire 26 gauge 31 pieces cut to the desired length 2 Sleeving 16 for vinyl wire or 18 for teflon Rosin core solder 60 40 Wire strippers Soldering iron pencil type 45 W max DOU mating connector d Mating connector for interface instrument 1 77 8600A Strip one half inch of insulation from the DOU con nector end of the wires and tin each wire Cut 31 pieces of sleeving one half inch long Place one piece of sleeving over each prepared wire Solder a connector contact pin to each wire Slide the sleeving over each solder connection Insert one connector contact pin into each DOU mating connector position corresponding to the desired data output Prepare the mating connector for the interface instrument Ensure that the data line connections at the interface instrument mating connector place the DOU data on the correct pins 6 13 6 14 Section 7 General Information 7 1 This section of the manual contains generalized user information as well as supplemental information to the List of Replaceable Parts contained in Section 5 REV 5 7 89 7 1 D9816 Westermann Wilhelm Augusta Anlage Mannheim Nackarau Germany S0482 Sony Corp Tokyo Japan 53774 Oshino Electric Lamp Works Tokoyo Japan 0 086 IN Gener
102. n of the Model 8600A DMM It is recommended that the contents of this section be read and understood before any attempt is made to operate the instrument Should any difficulties arise during operation please contact your nearest John Fluke Sales Representative or the John Fluke Mfg Co Inc P O Box 43210 Mount lake Terrace WA 98043 telephone 206 774 2211 A list of Sales Representatives is located in Section 7 of this manual 2 3 SHIPPING INFORMATION 24 The 8600A is packaged and shipped foam packed container Upon receipt of the instrument a thorough inspection should be made to reveal any possible shipping damage Special instructions for inspection and claims are included in the shipping carton 2 5 If reshipment of the instrument is necessary the original container should be used If the original container is not available a new container can be obtained from the John Fluke Mfg Co Inc Please reference the instrument model number when requesting a new shipping container 2 6 INPUT POWER 2 7 The 8600A can be operated from 100 115 or 230V ac 50 or 60 Hz power lines as selected by line power select switch S14 Before connecting the instrument to line power check and if necessary set the instrument for operation at local line voltage as follows the following procedure should be carried out only by qualified per sonnel CAUTION Refer to Section 6 Option 01 for requirements of line voltage ch
103. n on instruments 4 3 SERVICE INFORMATION that are beyond the warranty period ment is not available equipment of equivalent specifi cations may be used Table 4 1 REQUIRED TEST EQUIPMENT MINIMUM USE RECOMMENDED NOMENCLATURE SPECIFICATIONS EQUIPMENT AC Calibrator Voltage Range Oto 1000V ac John Fluke Frequency Range 30Hz to 100 kHz Model 5200A Voltage Accuracy and 5205A 30 Hz to 50 Hz 0 05 50 Hz to 10 kHz 0 0296 10 kHz to 100 kHz 0 0596 DC Calibrator Voltage Range 100V dc John Fluke Accuracy 0 003 Model 343A DC Current Current Range 2 mA John Fluke Calibrator Accuracy 0 00696 Model 382 DC Current Current Range 2mA to 2A John Fluke Calibrator Accuracy 0 0296 Model 382A Digital Multimeter Voltage Accuracy 0 1 John Fluke Input Impedance 1000MQ Model 8600A Resistor Decade Resistance Accuracy 0 01 ESI 1063B Oscilloscope General Purpose with 10 probe Tektronix 465 177 4 1 8600 4 6 GENERAL MAINTENANCE 4 7 Access Disassembly 4 8 Use the following procedure to gain access to the interior of the 8600A a With the power switch in the OFF position dis connect the line cord b Remove the Phillips screw from the rear of the instrument case Remove the instrument from the case 4 9 The ohms converter ac converter and input di vider printed circuit boards can be removed from the main board
104. nge and function of the 8600A is equipped with input overload protection The maximum allowable input overload conditions for each function and range are given in Table 2 2 2 23 Autoranging 2 24 Autoranging can be selected when the 8600A is in the VDC VAC or KQ functions When the AUTO pushbutton is depressed the 8600A will select the lowest range that will display the value of the input signal without causing an overrange indication Autoranging stops when one of the individual range pushbuttons is depressed Table 2 2 BASIC MEASUREMENT INSTRUCTIONS DESIRED MEASUREMENT SELECT FUNCTION SELECT RANGE DC Volts 200 MV 2 20 200 or 1200V DC Milliamperes 200 MA 2 20 200 or 2000MA AC Volts 200 MV 2 20 AC Milliamperes 200 HA 2 20 200 or 2000 MA 2000 2 20 200 2000 or 20 Kilohms V Q and V 2 LO MA and MA LO V Q and V Q LO MA and MA LO and V LO INPUT CONNECTION MAXIMUM INPUT 1200V de or 1700V peak ac any range Auto polarity Auto ranging 2A Fuse Protected Manual ranging Auto polarity 1200V rms sinusoidal 1700V peak ac any range Auto ranging Average Responding calibrated to read rms ac volts 2A Fuse Protected Manual ranging Average Responding 250V de or 250V ac peak any range Auto ranging CAUTION Do not use V Q LO for current measurements as damage to the multimeter may result 1 77 2 3 8600
105. oducts Div Santa Ana CA 63743 Ward Leonard Electric Co Inc Mount Vemon NY 64154 Lamb Industries Portland OR 64155 Linear Technology Milpitas CA 64537 KDI Electronics Whippany NJ 64782 Precision Control Mfg Inc Bellevue WA 64834 West M G Co San Francisco CA 64961 Electronic Hardware LTD North Hollywood CA 65092 Sangamo Weston Inc Weston Instruments Div Newark NJ 65786 Cypress Semi San Jose CA 65940 Rohm Corp amp Whatney Irvine CA 65964 Evox Inc Bannockbum IL 66150 Entron Inc Winslow Teltronics Div Glendale NY 66302 VLSI Technology Inc San Jose CA 66419 Exel San Jose CA 66450 Dyna Tech Electronics Inc Walled Lake MI 66608 Bering Industries Freemont CA 66891 BKC Intemational Electronics Lawrence MA 66958 SGS Semiconductor Corp Phoenix AZ 66967 Powerex Inc Aubum NY 67183 Altera Santa Clara CA 68919 WIMA Harry Levinson Co Seattle WA 61 Richmond Division of Dixico Zellerbach Paper Co Seattle WA 7 844 Moore Business Forms Inc Seattle WA 76902 Textron Inc Camcar Div Rockford IL 71395 Universal Plastics Welshpool WA 71696 AMD Plastics East Lake OH 7K354 Omni Spectra Inc Los Altos CA 72884 ALPS Seattle WA 7X634 Duracell USA Div of Dart amp Kraft Inc Valdese NC 70290 Almetal Universal Joint Co Cleveland OH 70485 Atlantic India Rubber Works Inc C
106. opposite in polarity to the buffer input AT Figure 4 3 A D CONVERTER OUTPUT SIGNAL 4 60 control waveforms and timing are important to the correct operation of the A D Converter The wave forms and test points are shown in figure 4 4 Continue with the test setup in 4 58 First check the signal at the gate of the FET If absent or wrong check that output from US keeping in mind that the driver transistors act as inverters The operation of U8 with respect to the A D Converter may be checked as follows a Select DCV function and 2V range 4 9 8600 RANDOM NOISE 3 COMPARE OUTPUT ov POSITIVE INPUT INTEGRATOR OUTPUT NEGATIVE INPUT 2 2 INTEGRATOR 14 Gate CONTROL DE R CONTROL _ DE R 026 Gate CONTROL 21 Gate AUTOZERO CONTROL 15 15V Variable Dependent 100ms on Input Constant 100ms Variable Constant Dependent on Input Overioad at 200ms 10 us per digit Figure 4 4 A D CONVERTER CONTROL SIGNALS b Apply OV dc to TP2 by connecting it to TP3 ground Refer to table 4 11 for test points and indications Apply 5 dc to TP2 by connecting it to TP12 5V supply Refer to table 4 11 for test points and indications 4 61 operation of the range control system can be checked by observing the interaction of U8 U9 U16 and the function switches For switching between the lowest range and
107. pecifications Operation GENERAL INFORMATION SCHEMATIC DIAGRAMS PAGE 6 6 6 6 6 7 6 7 6 9 6 9 6 9 6 9 6 9 6 9 6 9 6 9 6 9 6 10 6 10 6 11 6 11 6 11 6 11 8600A 8600 List of Illustrations FIGURE 3 5 41 4 2 4 3 5 1 5 2 TITLE Model 8600A Outline Drawing 8600A Controls Indicators and Connectors Overall Functional Block Diagram Timing Diagram for Dual Slope A D Conversion Ohms Converter Block Diagram AC Converter Block Diagram A D Converter Block Diagram Calibration Adjustment Locations Troubleshooting Flow Chart A D Converter Output Signal A D Converter Control Signals 8600A Final Assembly Front Panel and Main PCB Assembly 8600 Line Power Front Panel and Main PCB Assembly 8600A 01 Battery Power Display PCB Assembly Battery Power Supply PCB Assembly 01 Option AC Converter PCB Assembly Ohms Converter Assembly Input Divider PCB Assembly DOU PCB Assembly 02 Option iv PAGE 22 3 2 3 3 3 5 3 7 continued on page v 1 77 LIST OF ILLUSTRATIONS continued 1777 FIGURE 6 1 6 2 6 3 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 6 13 6 14 8 1 8 2 8 3 84 8 5 8 6 TITLE Model C80 Carrying Case Model C86 Carrying Case Rack Mounting Kits Offset and Center Mount Rack Mounting Kit Side By Side Mounting Deluxe Test Lead Kit A80 AC Current Probe Clamp On
108. perex Electronic Corp Ferrox Cube Div Saugerties NY 02131 General Instrument Corp Govemment Systems Div Westwood MA 02395 Sonar Radio Corp Hollywood FL 02533 Leigh Instruments Ltd Frequency Control Div Don Mills Ontario Canada 02606 Fenwal Labs Division of Travenal Labs Morton Grove IL 02660 Bunker Ramo Eltra Corp Amphenol NA Div Broadview IL 02697 Parker Hannifin Corp O Ring Div Lexington KY 02735 RCA Solid State Div Somerville NJ 02768 ITW IL Tool Works Fastex Division Des Plaines IL 02799 Arco Electronics Inc Chatsworth CA 03296 Nylon Molding Corp Monrovia CA 03445 Lercon Electronics Inc Burbank CA 03508 General Electric Co Semiconductor Products amp Batteries Aubum NY 03797 Genisco Technology Corp Eltronics Div Rancho Dominquez CA 03877 Gilbert Enginecring Co Inc Incon Sub of Transitron Electronic Corp Glendale AZ 03888 KDI Electronics Inc Pyrofilm Div Whippany NJ 03911 Clairex Corp Clairex Electronics Div Mount Vemon NY 03980 Muirhead Inc Mountainside NJ 04009 Cooper Industries Inc Arrow Hart Div Hartford CT 04217 Essex Intemational Inc Wire amp Cable Div Anaheim CA 04221 Midland Ross Corp Midtex Div N Mankato MN 04222 AVX Cop Ceramics Div Myrtle Beach SC 04423 Telonic Berkley Inc Laguna Beach CA 04713 Motorola Inc Semiconductor Group Phoeaix AZ
109. pport Scientific and Industrial 23 Lakeside Drive Tally Ho Technology Park East Burwood Victoria 3151 Australia Philips Customer Support Scientific amp Industrial 25 27 Paul St North North Ryde N S W 2113 Tel 61 02 888 8222 Austria Oesterreichische Philips Industrie Unternehmensbereich Prof Systeme Triesterstrasse 66 Postfach 217 A 1101 Wein Tel 43 222 60101 x1388 Beigium Philips amp MBLE Associated S A Scientific amp Industrial Equip Div Service Department 80 Rue des deux Gares B 1070 Brussels Tel 32 2 525 6111 Brazil Hi Tek Electronica Ltda Al Amazonas 422 Alphaville CEP 06400 Barueri Sao Paulo Tel 55 11 421 5477 Canada Fluke Electronics Canada Inc 400 Britannia Rd East Unit 1 Mississauga Ontario 142 1X9 Tel 416 890 7600 Chile Intronica Chile Ltda Casilla 16228 Santiago 9 Tel 56 2 2321886 2324308 China Fluke International Corp P O Box 9085 Beijing Tel 86 01 512 3436 Colombia Sistemas E Instrumentacion Ltda Carrera 13 No 37 43 Of 401 Ap Aereo 29583 Bogota DE Tel 57 232 4532 Denmark Philips A S Technical Service 1 amp E Strandlodsveij 1A PO Box 1919 DK 2300 Copenhagen S Tel 45 1 572222 Ecuador Proteco Coasin Cia Ltda P O Box 228 A Ave 12 de Octubre 2285 y Orellana Quito Tel 593 2 529684 Egypt Philips Egypt 10 Abdel Rahman el Rafei st el Mohandessin P O Box 242 Dokki Cairo Tel 20 2 490
110. 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 in each assembly in the instrument be stocked In the case of optional subassemblies plug ins etc that are not always part of the instrument or are deviations from the basic instrument mode the REC QTY column lists the recommended quantity of the item in that particular assembly h Use Code is provided to identify certain parts that have been added deleted or modified during pro duction of the instrument Each part for which a use code has been assigned may be identified with a particular instrument serial number by consulting the Use Code Effectifity paragraph 5 7 5 4 HOW TO OBTAIN PARTS 5 5 Components may be ordered directly from the manufacturer by using the manufacturer s part number or from the John Fluke Mfg Co Inc factory or authorized representative by using the FLUKE STOCK NUMBER In the event the part you order has been replaced by a new or improved part the replacement will be accompanied by an explanatory note and installation instructions if neces 5 2 5 6 To ensure prompt and efficient handling of your order include the following information a Quantity b FLUKE Stock Number Description d Reference Designation or Item Number e Printed Circuit Board Part Number f Instrument model and Serial number 5 7
111. r mounting bracket as shown in Figure 6 4 and secure it to the mounting panel using the nuts provided d Install the clamp screw in the center mounting bracket using the nuts and washers provided e Insert the front of the 8600A cases through the openings on the back side of the mounting panel Make sure the case s handle mounting bosses are inserted into the clamp hole of the center mount ing bracket f Tighten the clamp screw g Install the side mounting brackets and secure them to the front panel using the nuts provided h Install the handle mounting screws through the side brackets into the handle mounting bosses Don t over tighten these screws Slide the 8600A s through the mounting panel and into their cases Install and tighten the retaining screw at the rear of both cases Table 6 1 RACK MOUNTING KITS MOUNTING STYLE MODEL NUMBER Offset 00 200 611 Center M00 200 612 Side By Side M00 200 613 6 16 DELUXE TEST LEAD KIT A80 6 17 The deluxe test lead kit shown in Figure 6 5 contains two test leads with probes red and black and five pairs of universal probe tips The probe tips include alligator clips test prod tips pin tips banana plug tips and binding post lugs A convenient plastic pouch is provided for storing the contents of the test lead kit ES BRACKET SIDE MOUNTING HANDLE MOUNTING PANEL RACK MOUNTING BRACKET SIDE MOUNTING HANDLE MOUNTING Figure 6 3 RACK M
112. ring only 30 of its rated capacity To return such a battery pack to its rated capacity connect an external load which will discharge the battery completely at a rate equal to its capacity divided by 20 For example a pack of four series connected 1 2 volt cells having individual capacity ratings of 3 5 ampere hours should be dis charged at a rate of 3 5A 20 175A This requires a load resistor of 4 8V 175A 27 5 ohms approximate with a 1 77 power rating of at least 4 8V 175A 85W 2 watt carbon composition resistor is suitable 6 75 Allow the battery pack to discharge for 30 hours then charge the battery pack at twice the discharge rate for 20 hours In the example the charging rate would be 0 35 amperes at 4 8 volts When charging is complete discharge the pack at the capacity divided by 20 rate for 30 hours then recharge at twice the discharge rate for a period of 20 hours The battery pack should now be restored to its rated capacity 6 76 BATTERY REPLACEMENT 6 77 Use the following procedure for removing and replacing batteries CAUTION Do not attempt to charge alkaline zinc carbon or mercury batteries in the 8600A a Disconnect line cord Remove retaining screw at rear of instrument case and remove instrument from case b On the underside of the pcb remove the two threaded bolts securing the battery holders c Remove the holder tops and batteries d Replace the batteries
113. rtwell Special Products Placentia CA 35009 Renfrew Electric Co Ltd IRC Div Toronto Ontario Canada 35986 Amrad Melrose Park IL 36665 Mitel Corp Kanata Ontario Canada 36701 Van Waters amp Rogers Valley Field Quebec Canada 37942 Mallory Capacitor Corp Sub of Emhart Industries INpolis IN 39003 Maxim Industries Middleboro MA 4F434 Plastic Sales Los Angeles CA 40402 Roderstein Electronics Inc Statesville NC 42498 National Radio Melrose MA 43543 Nytronics Inc Now 53342 43744 Panasonic Industrial Co San Antonio TX 43791 Datron Systems Wilkes Barre PA 44655 Ohmite Mfg Co Skokie IL 47001 Lumberg Inc Richmond VA 47379 ISOCOM Campbell CA 49569 IDT International Development amp Trade Dallas TX 49671 RCA Corp New York NY 49956 Raytheon Company Executive Offices Lexington MA 5D590 Mostek Corp Replaced by SGS Thompson Microelec tronics 5F520 Panel Components Corp Santa Rosa CA 5 575 Nobel Electronics Suffem NY 5W664 NDK Div of Nihon Dempa Kogyo LTD Lynchburg 50802 Dennison Mfg Co Framingham MA 50088 SGS Thomson Microelectronics Inc Carrollton TX 50120 Eagle Picher Industries Inc Electronics Div CO Springs CO 50157 Midwest Components Inc Muskegon MS 50356 Teac Corp of America Industrial Products Div Montebello CA 50364 MMI Inc Monolithic Memories Inc Military
114. s b Attach the desired probe tip to the probe body Depress pushbutton FUNCTION d Select the desired voltage range e Connect the probe s ground lead to a suitable ground f Touch the probe tip to the circuit point to be measured g Observe the voltage reading displayed in volts rms on the 8600 readout 1 77 8600 Figure 6 13 HIGH FREQUENCY PROBE 81RF 6 56 TEMPERATURE PROBE 80T 150 6 57 The Model 80T 150 Temperature Probe is a self contained temperature to voltage converter It is designed to provide a direct temperature reading on the display of any high impedance voltmeter 1 capable of 1 mV resolution and at least 300 mV full scale readout The probe can be configured to provide either one of two temperature displays 50 to 150 C or 58 to 300 6 58 Operating power for the probe is provided by an internal lithium battery Typically the battery will provide up to 1000 hours of continuous operation before replace ment is necessary An on off switch is provided to conserve the battery when not in use 6 59 BATTERY PACK OPTION 01 6 60 Introduction 6 61 The Battery Pack provides the 8600A with the capability of operating as a portable battery operated in Strument Four nickle cadmium Ni cad batteries allow typically 8 hours of portable operation before recharging is necessary The batteries are recharged by connecting the 8600A to the ac power lin
115. s Co Los Angeles CA 85480 W H Brady Co Industrial Product Milwaukee WI 85840 Brady WH Co Indusuial Products Div Milwaukee WI 85932 Electro Film Inc Valencia CA 86577 Precision Metal Products Co Peabody MA 86684 Radio Corp of America Now 54590 86928 Seastrom Mfg Co Inc Glendale CA 87034 Illuminated Products Inc Now 76854 87516 Standard Crystal KS City KS 88044 Aeronautical Standards Group Dept of Navy amp Air Force 88219 GNB Inc Industrial Battery Div Langhome PA 88245 Winchester Electronics Litton Systems Useco Div Van Nuys CA 88486 Triangle PWC Inc Jewitt City CT 88690 Essex Group Inc Wire Assembly Div Dearbom MI 88786 Atlantic India Rubber Co Goshen IN 88978 Philips Now Fluke Mahwah NJ 89020 Amerace Corp Buchanan Crimptool Products Div Union NJ 89265 Potter Brumfield See 77342 89462 Waldes Truarc Inc Long Island NY 89536 John Fluke Mfg Co Inc Everett WA 89597 Fredericks Co Huntingdon Valley PA 89709 Bunker Ramo Eltra Corp Amphenol Div Broadview IL 89730 General Electric Lamp Div Newark NJ 9R216 Data Composition Svc Inc Laurel MD 95171 Port Plastics Tukwila WA 9W423 Amatom El Mont CA 90201 Mallory Capacitor Co Sub of Emhart Industries Inc Indianapolis IN 90215 Best Stamp amp Mfg Co KS City MO 90303 Duracell Inc Technical Sales amp Mark
116. s a self locating decimal point and a or polarity indicator Full scale readout is 19999 for all ranges and functions except the 1200 volt ac and dc range which is 11999 A blinking 18888 readout indicates that the 8600A is being operated in an overload condition and provides a test for all seg ments in the display 1 5 Front panel input connectors are banana type and provide separate connections for current and volt ohm inputs Both thecurrent and volt ohm inputs are referenced to a common input which is isolated from earth ground and can operate at a potential of up to 1000V dc or peak V ac with reference to earth ground 1 6 The overload features of the 8600A include a fused current input and an overvoltage protected volt ohm input This protection applies for any function and range selected 1 77 2 1 1 7 Several options and accessories are available for use with the 8600A The options are listed and described in Table 1 1 and must be specified at time of purchase The accessories are listed and described in Table 1 2 Accessories are compatible with all options and can be ordered at time of purchase or after purchase Detailed information concerning each option and accessory is given in Section 6 of this manual Table 1 1 8600A OPTIONS MODEL NO DESCRIPTION 8600A 01 Basic unit w battery option 8600A 02 Basic unit w data output unit Table 1 2 8600A ACCESSORIES MODEL NO DESCRIPTION
117. settings some false indications may be caused by an incorrect or overlooked control setting Check associated equipment insure that associ ated equipment controls and connections are correct Check the 8600A performance the performance test par 4 14 will determine if the malfunction is in the 8600A 4 6 d Carefully inspect the interior of the instrument check for physically damaged parts loose or brok en wires and improperly seated plug in assem blies 4 37 When it has been determined by the above checks that the malfunction is within the 8600A multimeter the following procedure should be used to isolate the problem area The recommended test equipment for trouble shooting this instrument is listed in table 4 1 A trouble shooting flow chart is included in figure 4 2 as an aid in repairing the instrument Performance tests given in the beginning of this section are referred to by paragraph number and table number Tests contained in the following sections are referred to by paragraph number In addition portions of the theory of operation section relevant to the correct operation of the circuitry in question are referred to by paragraph number NOTE Refer to the appropriate schematic for the elec trical location of test points specified Physical test point connectors may not appear on some pcbs 1 77 PERFORMANCE TEST Para 4 16 Table 4 2 OHMS PERFORMANCE TEST Para 4 18 Table 4 3 POWER S
118. splay should be on 18 999 to 19 001 4 29 Ohms Calibration 4 31 AC Volts Calibration 4 32 calibration procedure for the ACV FUNCTION 4 30 calibration procedure for the function of of the 8600 is presented in Table 4 8 Use the recommend the 8600A is presented in Table 4 7 Use the recommended ed ac voltage calibrator see Table 4 1 to apply the pre resistor decade see Table 4 1 to apply the prescribed re scribed ac voltages at the indicated frequencies to the VQ sistances to the INPUT terminals and where required INPUT terminals and where required make the adjustments make the adjustments to meet the specified display limits to meet the specified display limits 4 33 TROUBLESHOOTING CAUTION 4 34 following information is provided to assist in Remove any applied voltage from the 8600A locating malfunctions in the 8600A It is recommended input terminals before starting the Ohms that the theory of operation in Section 3 be read com Calibration pletely before attempting to troubleshoot the instrument Table 4 7 OHMS CALIBRATION PROCEDURE INPUT ADJUSTMENT REQUIRED Depress the FUNCTION switch on the front panel Short 8600A DISPLAY LIMITS 0 00 to 00 02 N 200 2000k0 1000 0 2 999 9 1000 1 2 1 0000 9999 to 1 0001 20MQ 10 000MQ 9 997 to 10 003MQ 8600 Table 4 8 AC VOLTS CALIBRATION PROCEDURE ADJUSTMENT 8
119. te outputs applied to U9 09 interprets the information and selects the appropriate relays Range truth tables are included in table 4 12 In all cases the output of U9 goes low to select a relay because Relay Common is connected to 5V through 54 DCmA Relay K1 is energized only in the 20V 200V and 1200V ranges of the DCV function inserts the Input Divider between VQ HI terminal and the A D Converter The lower two ranges are applied directly to the A D Converter In the lowest range for all functions U17 selects the 1V reference and switches R66 into the charge path of C28 In range programming 08 the a input sets the upper range limit and the input sets the lower limit Strobe signals are applied through 016 and the range switches to the a and inputs For manual range programming and are tied together by 016 S6 S11 apply the appropriate 3 8 ST signal ST3 for the 20V range etc In autoranging 8 is always connected to ST1 as the lower limit and a is connected to STS 5 ranges for and ACV functions and to ST6 for the Ohms function 3 46 For A D Converter timing all outputs INT AZ DEGR and DE R from U8 are logic NOT outputs For example the INT output pin 40 varies between OV and 15V During the integrate signal pin 40 stops con ducting and goes to 15V biasing the driver 010 off The gate of Q14 goes to 2V allowing it to conduct At the end of the integrate signal pin 40 conducts
120. th Andover MA 95263 Leecraft Mfg Co Long Island City NY 95275 Vitramon Inc Bridgeport CT 95303 RCA Corp Receiving Tube Div Cincinnati OH 95348 Gordo s Corp Bloomfield NJ 95354 Methode Mfg Corp Rolling Meadows IL 95573 Campion Laboratories Inc Detroit MI 95712 Bendix Corp Electrical Comp Div Franklin IN 95987 Weckesser Co Inc Now 85480 96733 SFE Technologies San Femando CA 96853 Gulton Industries Inc Measurement amp Controls Div Manchester NH 96881 Thomson Industries Inc Port WA NY 97464 Industrial Retaincr Ring Irvington NJ 97525 EECO Inc Santa Ana CA 97540 Whitehall Electronics Corp Master Mobile Mounts Div Fort Meyers FL 97913 Industrial Electronic Hardware Corp NY NY 97945 Pennwalt Corp SS White Industrial Products Piscataway NJ 97966 CBS Electronic Div Danvers MA 98094 Machlett Laboratories Inc Santa Barbara CA 98159 Rubber Teck Inc Gardena CA 98278 Malco Microdot Co South Pasadena CA 98291 Sealectro Corp BICC Electronics Trumbill CT 98372 Royal Industries Inc Now 62793 98388 Lear Siegler Inc Accurate Products Div San Deigo CA 98978 IERC International Electronic Research Corp Burbank CA 99120 Plastic Capacitors Inc Chicago IL 99217 Beli Industries Inc Elect Distributor Div Sunnyvale CA 99378 ATLEE of DE Inc N Andover MA 99392 Mepco Elec
121. the dc voltage offset level at pin 10 4 56 A D CONVERTER OR CONTROL AND DISPLAY 4 57 A D converter or control and display failure will generally affect the operation of the 8600A in 1 77 8600A functions The exceptions to this would be a malfunc tion in an individual function s control signal or range re lay signal The following information is provided to aid in isolating problems within the A D converter and control and display circuitry 4 58 A D Converter can be checked by using the following procedure a Select the DCV function and the 2V range b Apply 1V dc to 8600A VQ terminals c Connect the oscilloscope probe to TP2 The probe ground return may be connected to TP3 or the mA LO terminal d The signal at TP2 should be as shown in figure 4 3 4 59 The stable 5V section of the waveform shown in figure 4 3 should be 200msec long for a 1V dc input If the dc input voltage is increased to 2V the stable portion of the waveform should be 300msec long If the waveform is correct the problem is in the display section If the wave form is incorrect refer to figure 4 4 for further test points and waveforms in the A D Converter Check the wave forms at the buffer U4 for the correct voltage from Q14 and the appropriate reference U17 Q17 and Q21 U4 has a gain of 5 so the waveform at its output should be 5 times its input not inverted The output of US should be triangular as shown and
122. the following steps GENERAL RADIO TYPE 874 TO N FEMALE 1 50 GENERAL RADIO TYPE 874 TO TYPE N MALE EE MOUNT Perform steps and b in paragraph 6 44 with frequency of 1 MHz Observe the dc voltmeter a reading below dc calls for a decrease in the value of R3 a reading above dc calls for an increase in Resistor R3 should be a 1 8W metal film type In a probe that is working properly a 30 kQ change in R3 will produce about a 1 deviation in the reading Figure 6 12 HIGH FREQUENCY RESPONSE CHECK 6 50 HIGH FREQUENCY PROBE 81RF 651 Introduction 6 52 Model 81RF High Frequency Probe Figure 6 13 extends the frequency range of the 8600A to include 100 kHz to 100 MHz for ac voltage measurements from 0 25 to 30V rms The 81 operates in conjunction with the dc voltage range and is connected to the 8600A using a shielded dual banana plug and an adapter 6 53 Specifications 1 dB from 100 kHz to 100 MHz 25V rms to 30V rms operated into a 10 input resistance voltmeter Peak responding calibrated to read rms value of sinewave Maximum DC Input 350V 12MQ shunted by 15 pf maximum Transfer Accuracy Voltage Range Input Impedance 6 54 Operation 6 55 Use the following procedure for operating the 8600A with the 81RF probe a Connect the 81RF shielded dual banana plug to the 8600A V Q and LO INPUT terminal
123. the option of either offset mounting left right center mounting or side by side mounting Figure 6 1 MODEL C80 CARRYING CASE 6 1 8600 Figure 6 2 MODEL C86 CARRYING CASE 6 12 Installation Procedure 6 13 Installation instructions for each of the rack mounting kits is given in the following paragraphs Use the procedure which corresponds to the model number of the kit being installed 6 14 OFFSET AND CENTER MOUNTING KITS M00 200 61 1 and 00 200 612 a Remove 8600A carrying handle by removing the handle disc decals and the handle mounting screws b Remove screw from rear of case and separate the case from the 8600A Install the side mounting brackets as shown Figure 6 3 and secure them to the mounting panel using the nuts provided d Insert the front of the 8600A case through the opening on the back side of the mounting panel e Install the handle mounting screws through the side brackets into the handle mounting bosses Don t over tighten these screws f Slide the 8600A through the mounting panel and into the case Install and tighten the retaining screw at the rear of the case 6 2 6 15 SIDE BY SIDE MOUNTING KIT 00 200 613 Remove the carrying handles from both 8600A s by removing the handle disc decals and the handle mounting screws b Remove the retaining screw from the rear of the cases and separate the instruments from their cases Install the cente
124. tra Inc Roxboro Div Roxboro NC 99515 Electron Products Inc Div of American Capacitors Duarte CA 99779 Bunker Ramo Eltra Corp Bames Div Lansdown PA 99800 American Precision Industries Delevan Div East Aurora NY 99942 Mepco Centralab A North American Philips Co Milwaukee WI TECHNICAL SERVICE CENTERS U S Service Locations California Fluke Technical Center 16969 Von Karman Avenue Suite 100 Irvine CA 92714 Tel 714 863 9031 Fluke Technical Center 46610 Landing Parkway Fremont CA 94538 Tel 415 651 5112 Colorado Fluke Technical Center 14180 East Evans Avenue Aurora CO 80014 Tel 303 695 1171 Florida Fluke Technical Center 940 N Fern Creek Avenue Orlando FL 32803 Tel 407 896 4881 lilinois Fluke Technical Center 1150 W Euclid Ave Palatine IL 60067 Tel 312 705 0500 Maryland Fluke Technical Center 5640 Fishers Lane Rockville MD 20852 Tel 301 770 1576 New Jersey Fluke Technical Center East 66 Midland Avenue Paramus NJ 07652 0930 Tel 201 599 0500 Texas Fluke Technical Center 1801 Royal Lane Suite 307 Dallas TX 75229 Tel 214 869 2848 Washington Fluke Technical Center John Fluke Mfg Co Inc 1420 75th St S W M S 6 30 Everett WA 98203 Tel 206 356 5560 International Argentina Coasin S A Virrey del Pino 4071 DPTO E 65 1430 CAP FED Buenos Aires Tel 54 1 522 5248 Australia Philips Customer Su
125. ve 100 MHz use the high frequency adapter tip with mating connector and 50 ohm terminations 6 35 maximum input to the probe is rms or 200V dc These voltage limits may be used in combination so that the ac component of an ac signal superimposed on dc level can be measured CAUTION Changing the dc level of the input signal by more than 200 volts will damage the probe Figure 6 9 80RF 1 HIGH FREQUENCY PROBE 6 36 Operation 6 37 Use the following procedure for operating the 8600A with the 80RF 1 probe a Connect the 80RF 1 shielded dual banana plug to 8600A V O and LO INPUT terminals b Attach the desired probe tip to the probe body Depress the DCV pushbutton FUNCTION d Select the 20 200 or 1200V range NOTE The probe loading error caused by the 1000 input impedqnce on the 8600 200 mV and 2V ranges can be corrected by placing a 10MQ 5 resistor across the dual banana plug terminals 1 77 e Connect the probe s ground lead to a suitable ground when using the straight or hooked probe tip The ground clip is not required when using the high frequency adapter with an appropriate 50 ohm termination f Touch the probe tip to the circuit point to be measured g Observe the voltage reading displayed in volts rms on the 8600A readoug 6 38 Theory of Operation 6 39 schematic diagram of the 80RF 1 High Fre quency probe is given in Figure 6 10 Capacitor 1 is used
126. w 6 72 CHARGING NI CAD BATTERIES 6 73 With regard to the charging of nickel cadmium bat teries there are some phenomena which should be considered For instance charging Ni Cad batteries with cell case temper atures above 25 will cause the cell s charge capacity to de crease The decrease in capacity is linear from 10076 of rated capacity at 25 to only 60 of rated capacity at 50 and as low as 45 at 60 Cell case temperatures typically run from 5 C to 10 above ambient temperature during charging due to heat dissipated by the charging circuit Due to the enclosed nature of the light weight case on the 8600A the temperature inside the case typically runs an additional 10 to 15 above ambient temperature For most complete charging and longest battery life the 8600 01 should be charged at less than 23 ambient Cell charge times are also affected by low temperatures Charging the batteries at less than 5 will reduce charge storage capacity and reduce battery life The battery manufacturer recommends allowing the instrument to warm up to room temperature before charging the unit 6 74 Charge capacity may also be affected by a cell s charging discharging routine due to a memory type phenom enon For instance if a Ni Cad battery pack is used in a daily routine where it is allowed to discharge by only 3076 before being fully recharged again it will eventually become a battery pack capable of delive
127. y IN 06915 Richco Plastic Co Chicago IL 06961 Vemitron Corp Piezo Electric Div Bedford OH 06980 EIMAC See Varian San Carlos CA Federal Supply Codes for Manufacturers cont 07047 Ross Milton Co The Southampton PA 07138 Westinghouse Electric Corp Industrial amp Govemment Tube Div Horseheads NY 07233 Benchmark Technology Inc City of Industry CA 07239 Biddle Instruments Blue Bell PA 07256 Silicon Transistor Corp Sub of BBF Inc Chelmsford MA 07261 Avnet Corp Culver City CA 07263 Fairchild Semiconductor North American Sales Ridgeview CT 07344 Bircher Co Inc The Rochester NY 07374 Optron Cop Woodbridge CT 07557 Campion Co Inc Philadelphia PA 07597 Bumdy Corp Tape Cable Div Rochester NY 07716 TRW Inc Can use 11502 IRC Fixed Resistors Burlington Burlington VT 07792 Lerma Engineering Corp Northampton MA 07810 Bock Corp Madison WI 07910 Teledyne Semiconductor Mu View CA 07933 Raytheon Co Semiconductor Div Mountain View CA 08 6 Calmos Systems Inc Kanata Ont Canada 080A9 Dallas Semiconductor Dallas TX 08111 MF Electronics New Rochelle NY 08235 Industro Transistor Corp Long Island City NY 08261 Spectra Strip An Eltra Co Garden Grove CA 08445 Elecui Cord Mfg Inc Westfield PA 08530 Reliance Mica Corp Brooklyn NY 08718 ITT Cannon Electric Phoenix Div Phoenix AZ
128. ys K2 K3 and K4 each select one of the division ratios as directed by the range switches 3 25 OHMS CONVERTER 3 26 The Ohms Converter produces a known amount of current that when applied to an unknown resistance Rx connected across the terminals will develop a voltage Vx proportional to the value of Rx Producing the known amount of current is accomplished with a current follower U1 two feedback loops and a current source U3 and Q3 One feedback loop is from the VQ HI terminal to the non inverting input of U1 Pin 3 The voltage of this loop is applied to the A D Converter The other feedback loop is from the output of 01 through R20 and R90 to the inver ting input of 01 Pin 2 The current source U3 and 03 3 3 8600 controls the loop and consequently the bias on Ul The current output from 01 changes for each range refer to table 3 1 but is constant within each range Figure 3 3 is a simplified circuit diagram 3 27 With Rx 0 VQ HI shorted to VQ LO there is OV at the noninverting input of U1 U3 has a negative reference voltage applied to its noninverting input and a greater negative voltage applied to its inverting input This produces a positive output from U3 and allows Q3 to con duct Q3 conducts an amount of current such that the voltage drop on R35 equalizes the input voltages on Pins 2 and 3 of U3 The amount of current required by Q3 is constant in all operating conditions As Q3 is turned

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