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Содержание 175-AV

Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Страница 2: ...Model 175AV Autoranging Multimeter Instruction Manual Contains Operating and Servicing Information Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 3: ...anty does not apply to defects resulting from product modification without Keithley s express written consent or misuse of any product 01part This warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage 01problems arising from normal wear or failure to follow instructions THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING A...

Страница 4: ...ruction Manual 01989 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A Third Printing October 1999 Document Number 175 AV 901 01 Rev C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 5: ... that the user should incorporate immediately into the manual Addenda am numbered sequentially When a new Revision is created all Addenda associated with the previous Revision of the manual are incorporated into the new Revision of the manual Each new Revision includes a revised copy of this print history page Revision B DocumentNumber IX AV 901 01 Odoer 1992 Revision C OaeumentNumber 175 AV 901 0...

Страница 6: ...ore each use If any defects are found replace the test leads Foroptimumsafetydonottouchthetestleadsortheinstnunentwhilepowerisappliedtothecircuitundertest Turnthe power off and discharge all capacitors before connecting or disconnecting the instrument Do not touch any object that could provide a current path to the common side of the circuit under test or power line earth ground Always make measur...

Страница 7: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 8: ...at hazardous voltage is present in any unknown circuit before measuring Users of this product must be protected from electric shock at all times The responsible body must ensure that users a prevented accessand or insulated from every connection point In some cases connections must be exposed to potential human contact Product users in these circumstances must be trained to protect themselves from...

Страница 9: ...e The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the warranty Instrumentation and accessories shall not be connected to humans Before performing any maintenance disconnect the line cord and all test cables To maintain protection from electric shock and fire replacement components in mains circuits including the power transformer test le...

Страница 10: ...OMI _ s hlMiphd seconds to within 15 counts of final radii on ran e dB MODE trek 6 X l mHz AC ktdBm RANGE INPUT 1okHz ZOkIiZ wkxiz 1wkHz 2v 75w 2wmvto75ov 0 2 12 to 59 SdBml 200 mv mmvto2wmv 0 2 32 to 12 dBm 2mVto2OmV 2 52 to 32 dBm 1 mVto2mV 2 C 58 to 52 dBm Resolutian O OldB above 5 of range Up to 1kHz 0 26 0 56 1 2 0 3 1 3 OHMS ACCURACY MAX VOLTAGE 1 Yea ACROSS lo wc RANGE RESOLUnON ti rdS comt...

Страница 11: ...from 3 readings second to 1 readin hour Also deteck and stems maxim CONVERBIOn8IWD3 3 readings UN I second OVERRANGE INDICATION g displa ed and xrmimum readings c nti uawly in data logger mode MAXlMUM COMMON MOdE VOLTAGd 5COVDeat COMMON MODE RBJIVXTON RATE0 1M unb ncd lZOdB at DC 5OHz 6OHz ti 15 OdB in AC volts TEMpERAm comam o i80c 6r 2 5 c no 1 x applicsble accurav S fiCatiOn oc except O O7 2 C ...

Страница 12: ... AMLMREA ITON Display Front Panel Controls InputTerminals AMPS Fuse Replacement ERROR MESSAGES OPERATING CONDITIONS Fnvironmental conditions Maximum Allowable Inputs BASIC BENCH MEASUREMENX Power Up RelativeMode Dc Voltage Meaanremenls Average AC Voltage Measurements Resiitance Measurements Current Measurements dc or average ac dB Measurements dB Measurement Considerations and Applications m MAX a...

Страница 13: ...TION 4 3 ANALOGC Y 4 3 1 Multiplexer 4 3 2 InputBufferAmplifier 4 3 3 2V Reference Source 4 3 4 A DConverter 4 3 5 InputsignalConditio g 4 3 6 Ac Converter 4 4 DIGITAL CIRCUITRY 4 4 1 Microcomputer 4 4 2 AddressDecoding 4 4 3 Pu 4 4 4 Display Board 4 5 DIGlTAL CALIBRATION 4 6 POWERSUPPLY 4 7 MODEL1758BATTERYOpTION 41 4 l 4 2 42 4 2 42 43 4 4 4 5 45 45 4 6 4 6 4 6 44 4 6 4 6 SECTION 5 Maintenance 5...

Страница 14: ...SITIVE DEVICES TROUBLESHOOTING Recommended Test Equipment Self Diagnostic Program Power Supply and Battery Pack Model 1758 Checks A D Converter and Display Signal Conditioning MODEL 1758 BATTERY PACK INSTALLATION AND REMOVAL BATTERY PACK STORAGE 5 3 5 3 5 4 54 5 5 5 5 5 5 5 6 S 6 S 6 5 7 5 11 5 11 5 11 5 13 5 13 SECTION 6 Replaceable Parts 6 1 INTRODUCTION 6 l 6 2 PARTS LIST 6 l 6 3 ORDERING INFOR...

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Страница 16: ... Figure 5 1 Figure 5 2 Model 175 AV Rear Panel Segment Identification SECTION 6 Replaceable Parts Figure 6 l Figure 62 Figure 6 3 Figure 6 4 Figure W Figure 6 6 Figure 67 Figure 6 8 Figure 69 Figure 6 10 Figure 611 Figure 6 12 Model 175 AV I758 Model 175 AV Final Assembly Front Panel Assembly Connector Assembly Mother Board Component Layout sheet 1 of 2 Mother Board Component Layout sheet 2 of 2 M...

Страница 17: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 18: ... Table 5 1 Table 5 2 Table 5 3 Table 5 4 Table 5 5 Table 5 6 TabkS 7 Table 5 8 Table 59 Table 5 10 Table 5 11 PoseReplacements Recommended Calibration Equipment dc Voltage calibration ac Voltage Calibration Resistance Calibration Recommended Troubleshooting Equipment Squdial Display Test Steps Troubleshooting Modes Power Supply Checks and Battery Pack Model 1758 Checks A D Converter Checks Display...

Страница 19: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 20: ...factory to determinetheproper course of action Keithley Jnshuments maintains service facilities in the United States United Kingdom and throughout Europe Infor mation concerning the application operation or service of your instrument may be directed to the applications engineer at any of these locations Check the inside front cover for addresses 1 4 MANUAL ADDENDA Information concerning improvemen...

Страница 21: ... 5 contains information for servicing the instru ment This section includes information on line fuse replacement line voltage selection calibration and troubleshooting l Section 6 contains replaceable parts information NOTE The Model 1753AV IEEE Q88 interface comes supplied with its own instruction manual 1 9 GElTlNG STARTED Perform the foBowing steps in sequence to acquaint yourself quickly and s...

Страница 22: ...e Probe Extends the DMM to4OkV Maximum Input 40kV dc or peak ac to 3LXIHz Input Resistance 1OOOMG Division Ratio 1OOO l Ratio Accuracy i2 5 from 1kV to 40kV DC zt3 5 if 2OOmV or 2V ranges of Model 175 AV are used 3dB at 3OOHz ac Operating Temperature 0 to 5O C Model 1651 50 Ampere Current Shunt The external O CKllG fl 4 terminal shunt permits current measure ments from O 50A dc or ac Model 1681 Cl...

Страница 23: ...verification and calibration of Model 175 AV without installed interface An IEEE 488 inter face must be installed in the 1755 Model 1758 Rechargeable Battery Pack Provides six hours minimum operation from full charge recharges within 10 hours and is field installable Model7008IEEE488DigitalCable Usefulfor connect ingtheModell753 totheIEBE48bus TheMode17008 3 is 0 9m 3ft in length and has a standar...

Страница 24: ...diminishes arc pro ion and creates a hazard ous condition Use the following sequence when testing power circuits 1 De energize the circuit using the regular installed connect disconnect device such as the circuit breaker main switch etc 2 Attach the test leads to the circuit under test Use ap propriate safety rated leads for this application 3 Set the DMM to the proper function and range 4 Energiz...

Страница 25: ...ibed in paragraph 2 3 1 2 With the power switch off the battery charge cir cuitry is automatically energized to charge the bat tery at the maximum rate When the battery pack is first installed or ifit is completely discharged allow it to charge for ten hours NOTE Formaximum battery efficiency only charge the battery pack after it has become dis charged and only charge until it is fully charged lO ...

Страница 26: ... records data at one of six selectable rates from 3 rdg sec to 1 rdg hr Readings for minimum and maximum are sampled at the rate of 3 per second regard less of the selected rate 1 STO CLR Pressing this button initiates the log ging sequence Pressing the button a second time shuts off the data logger 2 RCL Pressing and holding this button in scrolls the data pointer To read the data at a particular...

Страница 27: ...ments should be made at an ambient tem perature within the range of O C to 5O C and with a rela tive humidity of 0 to 80 up to 35 C For instruments above 35OCderate humidity 3 per C up to 50 C If the instrument has been subjected to extremes of tempera ture allow sufficient time for internal temperatures to reach environmental conditions Typically it takes one hour to stabilize a unit that is 10 C...

Страница 28: ... Reset Allzeroswillbebrieflydisplayedbeforego mg into the measurement mode 2 RAM Test If this test fails the Model 175 AV will loch up with zeros displayed 3 NVRAM Test If this test fails the display will show the error message cEkr Refer to Table 2 l for more information pertaining to er ror messages 2 7 2 Relative Mode When the relative mode is selected with an on scale read ing on the display t...

Страница 29: ...al ranging is recommended for routine measurements above 200V 4 Connect the test leads to the source as shown in Fig ure2 2 Ifthepositivesourcetenninalisconnected to the INPUT LO terminal of the instrument the dis play will show a negative value If the negative source terminal is connected to the INPUT LO termi nal the display will show a positive value 5 Observe the display if the OL message is s...

Страница 30: ...o be meas ured as shown in Figure 24 5 Observe the display if the OL message reading is shown select a higher range until a normal reading is shown Always use the lowest possible range for the best resolution 6 Take the reading from the display NOTE It is helpful to shield resistances greater than 10 2 1M Q if a stable reading is expected Place the resistance in a shielded enclosure and electrical...

Страница 31: ...can be expressed by the following equation dB 20 log Tables 23 and 2 4 list the dB specifications for dc volts and ac volts Table 2 3 dB Specifications for dc Volts 60021Ref Table 2 4 dB Specifications for ac Volts 6OOQRef dB Mode refi 6OOQ Accuracy i dBm Range Input ZOIia 1OkHa 101cHz 2OkIia 2OkHa 5OkHz 5OlcI k1OOkHz 2OOmv 1rnv to 2mv 2 58 to 52dBm 2mv to 2omv 2 3 C 52 to 32dBm 20mv to 2oOmv 0 2 ...

Страница 32: ...o the INPUT HI and LO ter minals of the Model 175 AV 2 Select the acV or dcV function 3 Select autorange for optimum resolution 4 Press the dB button 5 Connect the test leads to the voltage source 6 Make the dBm reading from the display dBm Measurements with Other Reference Imped snces dBm measurements can be made with other reference impedances The most convenient method for using other reference...

Страница 33: ...plications Typical Instrument Performance Typically the Model 175 AV will perform better than its published dB specification The following example will illustrate this point 1 2 3 Using the Model 17 AV in the dB mode 6OOa ref measure a 1mV rms lkJ source common applica tion in the communications field Typically the Model 175 AV will read 57 7dBm The calculated dBm level for that souxe is 57 8dBm T...

Страница 34: ...un ciator will turn on and data will be logged at the selected rate NOTE The logging cycle can be terminated at any time by pressing the STO CLR button This shuts off the data logger However data is re tained and can be recalled at any time as long as the instrument remains on 3 Data retrieval Data can be retrieved at any time but a flashing RCL annunciator indicates that the maximum number of rea...

Страница 35: ...ommon types of waveforms For reference the first waveform is an ordi nary sine wave with a peak amplitude of 1OV The aver age value of the voltage is 6 37V while its rms value is 7 07V Ifweapplythe 1 11 correctionfactortotheaverage reading it can be seen that the average reading will equal the rms value resulting in no error for an average type meter reading The situation changes with the half wav...

Страница 36: ... Error 1ov 7 07V 7 07V 0 Half Wave Rectified Sine I 1ov 5 oov 3 53v 29 4 Full Wave Rectified Sine YE 1ov 7 ow 7 07V 0 square io 0 Rectified Square Wave 1ov lO ooV 11 10v 11 1ov 5 oov 5 55v 11 Rectangular Pulse p I w nYcycaF Triangular Sawtooth 10 0 47 IOV 1ov l dq lLlV 11 l llfi I x loo 1ov 5 77V 5 55V 3 8 2 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg...

Страница 37: ...added to the signal input Vm Displayed Reading t V Vom AslongasVmisatleest10timeslargerthmVoma negli gible error will occur Example Range 2 offset 25 colmts Input 2oOmv row Displayed Reading O Z 0025 fO O4 0 0000063 w If REL is used to zero the display the 25 counts of offset would be subtracted from VW resulting in an error of 25 counts in the displayed reading 2 8 3 Extended Frequency Response F...

Страница 38: ...SECl7ON 2 BenchOperation V Hz MAXIMUM Figure 2 6 Model I75 AV Typical acV FrequencyResponse 2 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 39: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 40: ...operating temperature Typically it takes one additional hour to stabilize a unit that is 10 C lS F outside the specified temperature range Table 3 l lists all test equipment required for verification Alternate equipment may be used as long as the substi tute equipment has speci ations at least as good as those listed in the table NOTE Theveficationlimikinthissectiondonotin elude test equipment tol...

Страница 41: ...06 0 9995 to 1 0005 9 995 to 10 005 99 95 to 100 05 999 5 to 1000 5 3 5 2 Average AC Voltage Verification CAUTION Do not exceed 750V rrns 1OOOVpeak lOWGXz belweentheINPUTHIandLO ter minals or instroment damage may occur 1 Select the acV function and 200mV range 2 Connect the calibrator to the Dh4M 3 get the calibrator output to lOO OOOmVac at a fre quency of 2OI h Verify that the reading is witbin...

Страница 42: ...ch the Model 175 AV to the ZOO range The reading must be within the limits specified in Table 35 4 Check the 2mA through2OOOmA range by applying the required current specified in Table 3 5 and veri fyi p that the readings are within the specified lim its Table 3 5 Limits for dc Current Verification dcA Applied IF dc Current 2 3 PA 2mA 2Od 2oomA 2OOOm 4 100 000 fl 1 00000 In4 1o oooo Ia4 100 000 mA...

Страница 43: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 44: ... a 4 l 2 digit UO OOOcount DMh4 with five ac and dc voltage ranges seven resistance ranges and five ac and dc current ranges A simplified block diagram of the Model 175 AV is shown in Figure 4 1 The heart of the Model 175 AV is the A D converter that translates the conditioned analog input signals into a form usable by the microcomputer INPUT HI INPUT CONDITIO v b P AC FIMStodc NING A DC CONVERTER...

Страница 45: ...h the use of software 4 2 generated delays and by shorting the multiplexer bus to signal common before each signal measurement through Qlll 4 3 2 Input Buffer Amplifier The input buffer amptier provides the necessary isola tionbetweentheinputsignalandtheA Dconverter The amplifier is a non inverting low noise high impedance circuit with xl or x10 gain The amplifier gain is con trolled by the microp...

Страница 46: ...nge and function Once this occurs the signal from the buffer amplifier is added to the offset from R120H This converts the bipolar signal from the buffer WV to a unipolar input to the in tegrator The integrator ramps up until it just passes the charge balance comparator threshold voltage When the rising edge of Q3 occurs from U122 or when U119 goes low Q goes high forcing Es into the integrator in...

Страница 47: ...ts the shunt voltage drop 2OOmV full scale is applied directly to the input signal FET for conversion In ac current the shunt voltage drop is treated as a 200mV ac signal and is switched to the ac converter section Overload clamping occurs at three diode voltage drops which is a level high enough to permit high crest factor current waveforms 4 4 In dcV the properly scaled signal is applied directl...

Страница 48: ...accurate voltage measurement at higher fkequencies and lower in put levels The output of UlOl is applied to the nns to converter chip LJlOZ which converts the ac input signal to the cor responding dc level The dc output is then i2 5 and ap plied to the signal FET 4 4 DIGITAL CIRCUITRY Model 175 AV operation is controlled by the internal mi crocomputer The following paragraphs briefly describe the ...

Страница 49: ...V dc and 200mV ac constants are used respectively 4 6 POWER SUPPLY Fuse F102 is the line fuse which is internaIIy accessible SlOl is the power on off switch and 5102 selects 115V or 230V operation by placing the transformer primary windings in paraIIe1 or series TlOl the power transformer has two secondary wind ings one for the Model 175AV and the other for the IEEE488 option Model 1753 AVl The br...

Страница 50: ...o be changed set the line voltage switch located on the rear panel in the desired position See Figure 5 I WARNING Disconnect the power cord and all other equipment from the Model 175 AV NOTE Although the Model 175 AV is specified at 50 and MIHZ the instrument may be operated at 4OOHz and 44OI k Add one count to instru ment specifkations under this condition 5 3 FUSE REPLACEMENT The Model 175 AV ha...

Страница 51: ...s secured to the mother board by a support post at the rear and a connector on the left side To remove lift the board up until it disengages from the support post and connector 2 Remove the fuse and replace it with the proper type using Table 5 l as a guide CAUTION Do not use a fuse with a rating higher than specified or instrument damage may occur If the instrument repeatedly blows fuses lo cate ...

Страница 52: ...must be moved to the ENABLED position to allow calibration constant storage The CALIBRATION switch is shown in Figure 5 1 it is normally covered by the CALIBRATED label Remove the label and slide the switch to ENABLED Turn the in strument off then on and press in the REL and dB push buttons simultaneously until the message CAL is dis played Release the buttons The unit is now in the cali bration m...

Страница 53: ...nnunciator on select the SLfunction and connect the test leads to the INPUT HI and LO terminals of the Model 175 AV Table 5 5 summarizes the procedure 1 With the test leads connected to the Model 175 AV short the other ends together 2 Select the 2OORrange and press the REL button on theModel175 AV TheRELann ciatorwilltumon and the display will zero test lead compensation 3 Disconn the short and co...

Страница 54: ... message Stor is dls played If instead the message out is displayed then calibration storage was not enabled and the calibration constants will only be valid until the Model 175 AV is turned off To save the calibration constants after out appears on the display slide the CALIBRATION switch to EN ABLED Press RRL and dB simultaneously until CAL appears on the display Then simultaneously press RBL an...

Страница 55: ...avoid damaging them 1 2 3 4 5 6 7 Transport such devices only in containers designed to prevent static build up Typically these parts will be received in anti static containers of plastic or foam Always leave the devices in question in their origtnal containers until ready for installation Remove the devices from their protective containers only at a properly grounded work station Also ground your...

Страница 56: ...th allzerosdisplayed ReplacingU113maycorrectproblem Non volatile RAM Test If the NVRAh4 test fails the following message will be displayed Thk message indicates that the instrument is probably not properly calibrated since calibration constants are stored in the non volatile RAM The Model 175 AV will loch up at thts point if the test fails but operation may be restored for troubleshooting by press...

Страница 57: ...ds to the volts fi mc tion and the 1 corresponds to the 200mV range The test number can be changed by pressing in the dB button Table 5 8 lists the test modes for all functions and ranges To update the test mode select the new function and range and hold in the dB button until the function symbol changes Troubleshooting consists of selecting the desired test mode andusingthedata foundinTable5 8 to...

Страница 58: ...ooting Modes Function 81 Test Range Mode Range Corhu AMP Gain Multiplexer OhmsRsnge Logic level on U114 KJ105 FET On Transistor On PA0 1 PA1 PA2 1 PA3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 59: ...4 Xl Qlll QlO5 204 Xl Qll2 4105 304 Xl QllO 4105 404 504 Xl Qlll 4105 604 Xl 0113 005 x10 QllO 01 Ql 105 x10 Qlll Q102 205 xl 4113 4102 305 Xl QllO 4102 405 505 605 I Qlll 4102 0113 0102 20 2OOMQ 006 xl QllO 4102 M a 106 Xl Qlll 4102 206 Xl Qll3 4102 306 405 506 xl Qlll 4102 606 xl Qll3 4102 l 4 to SV Logic 1 at pin 9 of U106Bseleds x10 gain OV Logic 0 at pin 9 of U106B selects xl gain PAO 1 1 1 1...

Страница 60: ...el 1758 Checks step Item Component Required Condition Remarks 1 S102 Line Switch Set to 115 or 230V as required 5102 externally accessible from rear 2 Continuity panel 2 LiLidFuse U116 Input Vin lu g o line receptacle power on 00 5 U116 Output Vo 5V 5V regulator input 6 u117 Input Vin 20v to 14v 5V regulator output 7 u117 output vo lOVhO Negative supply input 8 VRlOl 6 25V to 6 45V Negative supply...

Страница 61: ... U107A pin 15 Variable pulse train OV to 5V 14 U107A pin 10 Smsec positive going pulses Control line for charge balance single slope 15 UlZlB pin 9 1OOmsecpositive going pulse Control line for integrator Table 5 11 Display Board Checks step Item Component Required Condition Remarks 1 Turn on power select the 2Vdc range 2 PlOM pin 5 3 33v Vlcdl 3 P1006 pin 6 1 66v VlCd2 4 P1006 pin 7 5Vk5 5 P1006 p...

Страница 62: ... the male connector marked BATT on the mother board CAUTION Make a close visual inspection to ensure that the connectors are properly mated or damage to the instrument may result Connect the red battery lead to the RED terminal pin on the battery board Connect the black battery lead to the BLK terminal pin on the battery board Reinstall the top cover as explained in paragraph 5 3 2 Charge the batt...

Страница 63: ... 280 OUTPUT 724 Zlx 290 WAlTlOO 300 0uTrIJT 717 1 9V Iv 310 wAlT5000 320 330 E 344 z 350 360 OUTPUT 724 V1 9X WAIT 2000 OUI PUT 724 R3X OUTPUT 7l7 OV N WAIT 1000 OUTPUT 724 21X WAIT1000 oI rmJT n7 19V N WAlT 5000 370 0uTmT 724 v19x 380 wAlT2000 390 0uTrur n7 S 400 OUTPUT 724 R4X 410 CLEAR 420 BEEP 50 1000 DC VOLTS CALIBRATION Sets 175 AV to 200mV range Outputs OV to 175 AV Put 175 AV in CAL mode T...

Страница 64: ...NT TO RESUME PROGRAM PAUSE 0IJmJT 724 Xlx OUTPUT 717 19V200H N WAIT5OOC OUTPUT 724 V lBX WAIT 2cKlo OUTPUT 724 DlX OUTPUT 717 19E 3V200H N WAIT5000 OUTPUT 724 V19E 3X WAIT 2000 OUTPLIT 724 20X wAInoo0 OUTPUT 724 x2x OUTPUT 717 1 9V200H N WAIT 5000 0uTplJT 724 V1 9X Outputs OV to 175 AV Turns REL on Outputs 190V to 175 AV Calibrates 200V range Sets 175 AV to 1OOOVrange Outputs OV to 175 AV Turns RE...

Страница 65: ...LME PROGRAM 1220 PAUSE 1230 CLEAR 1240 OUTPUT 724 RlX 1250 FOR H O TO 1 1260 GOT0 1270 1270 OUTPUT 717 12 N 1280 wAll5000 1290 ENTER 724 D 1300 A D 1 1310 OUTPUT n7 1ooZJv 1320 WAIT5ooO 1330 B lOO 1340 F B A 1350 C V VAL F X 1360 OUTPUT 724 C Sets 175 AV to 2OV range Outputs 19V at 2OOHz to 175 AV Calibrates ZOV range Sets 51018 to standby Sets 175 AV to 200V range Outputs 190V at 2OOHz to 175 AV ...

Страница 66: ... 1760 DISP 1770 DISP DO YOU WISH TO STORE CAL POINTS IN NVMM 1780 WAlT 1000 1790 DISP 1800 DISP IF YES PRESS Y and END LINE 1810 DISP IF NO PRESS N and END LINE 1820 EVPUTA 1830 IF A Y THEN 1850 1840 lF A N THEN 1910 1850 OUTPUT 724 LOX Loops to line 1250 once Sets 175 AV to 2 range Sets program for one loop Outputs 10 to 175 AV Enter displayed reading B A Test lead resistance and ml error Output ...

Страница 67: ...O 25 1880 BEEP I RND l 50 1890 NJXTI 1900 BEEP 40 3OW 1910 DISP i I Wl l xl lr 1920 DISP THE MODEL 175 AV CALIBRATION IS NOW COMPLETE 1930 DIsp IU4UN 1940 END 5 1s Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 68: ... follows l Figure 6 9 Model 1758 Battery Option Table 6 3 Battery Option Board Parts List Figure 6 10 Battery Option Component Layout Figure 6 11 Battery Option Schematic Figure 6 12 Battery Assembly Table 6 4 lists a complement of spare parts that can be or dered to maintain up to ten Model 175 AV units for ap proknately one year 6 3 ORDERING INFORMATION To place an order or to obtain information...

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Страница 70: ...IPTION 175 AV 1 MODEL 175 AV FINAL ASS Y 1758 1 MODEL 1758 BATTERY OPTION A I NOTE 175B SPECIFIES THAT MODEL 1758 RECHARGEABLE BATTERY PACK OPTION IS INTERNALLY INSTALLED Figure 6 1 Model 175 Al 1758 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 71: ... Figure6 2 ModeZ17 AVFinal ly 4 6 566 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 72: ...S BJ 12 2 BANANA JACK RED mzx I N Y 4 L BJ 12 0 BANANAJACK BLKI _ I I I BANANR JACK RED I 1 I BANANA JKK BLK CS m 2 I 2 I ZEBRA STRIP DO 34 I I LCD DISPLAY L m 335 FRONT PANEL I l 4 40 1 4 PPH I 3 I PHIL PAN HO SCREW I I I I Figure 6 3 Fmf PanelAsMnbIy 716 s Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 73: ...PTACLE SIDE PART NO _ CS 254 pm 3 SC 71 6 sJ 71 5 FP CITY DESCRIPTION CONN AC RECEPTACLE JlOOl CONNECTORHOUSING 3 CONTACTS PI002 _ RE IBGA BLlJF E o 12 t RE IBGA GREL 1 WIKL LUW EROWN it J 41 L 4 LG 4 l B LG 1 I I 4 L SC 71 l WIRE BRN 2 4 3 xx 015 CONNECTOR ASS Y BEittzdiZ xxx 005 FR C f1 64 MA mL r 2 SURFACE MAX fy M5H TV C E Figure 64 ConmcforAsmbly Artisan Technology Group Quality Instrumentati...

Страница 74: ...mic Film Capacitor lpF XW Ceramic Film Capacttor lp 5OV Ceramic Film Capacitor IpF 5OV Ceramic Film Capacitor lpF SOVIJC 20 Metalized Polyester Capacitor lpF lOCOV Ceramic Disc CR101 CR102 CR103 CR104 Not Used Rectifier REC40100 Rectifier Silicon lN5400 Bridge Rectifier VM18 Fuse 2A Fast Blow Current Fuse 1 8A Slow Blow Line Connector AC Receptacle Socket 14 pin for display Connector Battery Optio...

Страница 75: ...W Resistor 76 8kCI O l 1 8W Thick Film Resistor Network Resistor 3 3wL 5 1 4W Composition Not d Thick Film Resistor Network Thick Film Resistor Network Not Used Resistor 2uz lo 2W Composition Resistor 8 06kS I 1 8W Composition R125 Resistor 1 24kR l 1 8W Composition R126 Thick Film Resistor Network R127 Thick Film lOMSZ 1 4W Composition R128 Thick Film 2 Z 5 1 4W Composition R129 Resistor 2OOw1 5 ...

Страница 76: ...Serial Nonvolatile Static RAM X2443P Hex Inverter 74HCO4 Quad 2 Input NAND Gate 74HCO0 1024 x 4 Bit Static CMOS RAM Peripheral Interface Adapter 65C21 SK x 8 Bit UV Erasable PROM Regulator 5V lA 7805 STerminaI Adjustable Regulator LM337L Triple 3Input OR Gate CD4075BE Triple SInput NAND Gate MM74HClO Tri State Octal D Latch 74HC373 Dual D Flip Flop 74HC74 12 Stage Bll Counter 404OB CMOS 8 Bit Micr...

Страница 77: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 78: ...s 1 I I I I Motht l BoardG3mpomf hpf Mz ef2 2 6 1716 m Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 79: ...4 113 3 1 4 CR 102 CR 103 Figure 6 6 Mother BoardSchematicMeet 1oj2 6 19 6 20 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 80: ...Mother BoardSchematicMeet2 of2 6 W Z2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 81: ...cuit Keithlev Location Desig Description Part No Sch PCB P1006 u201 Cable Assembly 14Conductor LCD Controller Driver CA 93 83 LSI 59 F4 c3 b 2316 24 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 82: ...L Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 83: ...VDD 2 52 CLOCK 3 I3 RESET 5 1 3 VLCDl 6 4 VLCDZ 5 VLCD2 I 6 v s 12 c 6 I I 13 I 9 SI I21 8 sm 14 IO c3 I I u201 225 CONTACT DESCRIPTION 2 3 4 4 5 Figure 6 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 84: ...RIPTION I i 1758 10 P C BOARD ASS Y j 1758 3058 I STAKING BATTERY BRACKET i 175 306A I BATTERY ASS 4 40xl 4 WH 4 PHIL PAN m SCREW PA 173 I PACKING LIST NOT SHOWN 175 30 A BATTERY ASS Figure 6 9 Modd 1758Baftery Opfim Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 85: ...esistor 4 7n 5 1 4W Composition Resistor 30 11cn l 1 8W Metal Film Resistor 39 2kL l 1 8W Metal Film Resistor lm 5 1 4W Composition RTlOl staking LJlOl u102 Themliator Prc 3oQ Staked PCB Voltage converter sI7661CJ Voltage Comparator LM393 Heat Sink used on QlOl c 314 220 c 314 10 RF 53 CS 463 35 463 CA 27 l TG137 R 334 4 7 R 76 4 7 R 88 30 lk R 88 39 2k R 76 1 2M RT 10 1758 101 IC 340 IC 343 HS 28...

Страница 86: ...1 OOI 8SLl nl 1 H P 3 14 220 C n DZ 4 c 3 4 0 cm2 03 I Pi009 I Figure C 10 B fey Option Gmpmmf Layout Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 87: ... WITH JlOo9 OF MOTHER BOARD SEE 175 100 A PI009 L NOTES 102 0101 Eli101 RI05 102 RTIOI Figure 6 l 1 Bafky Opiion 5chemafic b 35 36 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 88: ...ME 2 TUCK RED WiRE JNDERTAPE THAT IS AROCIND BATIERY LU 90 1 2 LUG TX 17x3 3 x5 s 1 2 1 SHRINK TUBING I 3CU ON DD NOT SCALE THIS DRAWWG DIMENSIONAL TOLERANCES v UNLESS OTHERWISE SPECIFIED DATE 2 SCALE CW TITLE xx ols ANG kV DRN AJS ENC APPR Dci BATTERY ASSEMBLY KdmhyUb xxx ax FRAC fl MATERIAL Q NO Cleveland Ohio 44139 SURFACE MAX w FINISH cw A 1758 306A Fms malREV 0 4 a l Figure6 12 Battery Aw mbi...

Страница 89: ...1 F102 1 RL 82 KlOl 2 1 1 175 601 TG166 TG167 TG128 E 227 U104 175 600 u105 IC 343 UlOl IC 353 UllO IC 345 LJ117 LSI 60 U123 IC 602 u124 1 DZ 58 1 DZ 72 1 1 DZ 59 VRlOl VR102 vR103 10 MC 561 CALIBRATED Label 6 3916 40 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 90: ...table 0 Wdl not read applied input 0 Overload u Calibration only 0 Data required 0 Certificate of calibration required attach any additional sheetsasnecessary Show a block diagram of your measurement system including all ir uments connected whether power is turned on or not Also describe signal source Where is the measurement being performed factory controlled laboratory out of doors etc What powe...

Страница 91: ...card and mail or FAX to 440 24X 6168 For FREE additional information check below Application Notes Reference Publications 0 GC W lPurpnncMearurcmenta 0 L W Level Handhook 0 C mp nenr TestApplicati ns 0 Switching Handhuuk Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 92: ...ts devices or phenomena do you measure with this instrument 3 What was the main reawn txKeirhley unit was purchased 4 Da you have any design suggestions concerning this unit Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 93: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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