KEI195_901_01C 电路图.pdf

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1、Model 195 Instruction Manual Contains Operating and Servicing Information for the Model 195 Digital Multimeter Publication Date: August 1983 Document Number: 195-90%OIC RadioFans.CN 收音机爱 好者资料库 WARRANTY Keithley Instruments, Inc. warrants this product to be free from defects in material and workmansh

2、ip for a period of 1 year from date of shipment. Keithley Instruments, Inc. warrants the following items for 90 days from the date of shipment: probes, cables, rechargeable batter- ies, diskettes, and documentation. During the warranty period, we will, at our option, either repair or replace any pro

3、duct that proves to be defective, To exercise this warranty, write or call your local Keithley representative, or contact Keithley headquarters in Cleveland, Ohio. You will be given prompt assistance and return instructions. Send the product, transportation prepaid, to the indicated service facility

4、. Repairs will he made and the product returned, transportation prepaid. Repaired or replaced products are warranted for the balance of the original warranty period, or at least 90 days. LIMITATION OF WARRANTY This warranty does not apply to defects resulting from product modification without Keithl

5、eys express written consent, or misuse of any product or part. This warranty also does not apply to fuses, software, non-rechargeable batteries, damage from battery leak- age, or problems arising from normal wear or failure to follow instructions. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EX

6、PRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. THE REMEDIES PROVIDED HEREIN ARE BUYERS SOLE AND EXCLUSIVE REMEDIES. NEITHER KEITHLEY INSTRUMENTS, INC. NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CON

7、SEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRU- MENTS AND SOFTWARE EVEN IF KEITHLBY INSTRUMENTS. INC. HAS BEEN ADVISED IN ADVANCE OF THE POS- SIBILITY OF SUCH DAMAGES. SUCH EXCLUDED DAMAGESsHALL INCLUDE, BUT ARE NOT LIMITED TO: COSTS OF REMOVAL AND INSTALLATION, LOSSES SUSTAINED AS THE RESU

8、LT OF INJURY TO ANY PERSON, OR DAM- AGE TO PROPERTY. Road - Cleveland, OH 44139 - 440-248-0400 -Fax: 440-24X-6168 * RadioFans.CN 收音机爱 好者资料库 Instruction Manual Model 195 Digital Multimater 01992, Keithley Instruments, Inc. Cleveland, Ohio, U.S.A. RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS MAXIMLIM ALLOWA

9、BLE INPUT: IWDV peak BENCH READING RATE: 5 readbwlaecond. 2Mo 10 n -2LmnA -2v o.oJ + 7 o.ayI+ 1 0.015+1 *oMn Irn ” -x0* -1v 0.06 + 5 o,1m+ 5 o.m+* +After pu gnater tba” lO*Il paralleled owe? It Sold piated binding posts. Digttal: Tririgger” input and %ltmeter Complete” output on rear panel, BNCs. DI

10、MENSIONS, WEIGHT: 127mm l AC and DC Current Option . Model7008IEEE-488Cable. . SECTION 2 BASIC OMM OPERATION Introduction . FrontPanelFamiliarization . Controls . Terminals . Displayandlndicators . TiltBail . RearPanelFamiliariration . ConnectorsandTerminals . INPUTSSwitch . Fuses . Power-UpProcedur

11、e . DisplayMessage . OverflowIndication. . NoOptionMessage . ControlSelection . Function . Range . UsingZero . Filtering . DisplayResolution. . InputTerminalSelection . Triggering. . l-l l-l l-l l-l l-1 l-l 1-2 1-2 l-2 1-2 1-2 l-2 l-2 l-2 1-3 l-3 l-3 1-3 1-3 1-3 13 1-3 13 1-3 l-3 l-3 1-3 l-3 2.1 2.2

12、 2.2.1 2.2.2 2.2.3 2.2.4 2.3 2.3.1 2.3.2 2.3.3 2.4 2.5 2.5.1 2.5.2 Zl 2:6:2 2.6.3 2.6.4 2.6.5 2.6.6 2.7 2-l 2-1 2-1 2-2 2-2 2-2 2-2 2-3 2-3 2-3 2-3 24 El 2-6 2-5 2-6 2-5 2-6 2-7 2-7 2-7 i 2.7.1 2.7.2 2.7.3 2.7.4 2.8 2.8.1 2.8.2 2.8.3 2.8.4 2.8.5 2.9 2.9.1 2.9.2 t: 3:3 3.4 3.5 3.5.1 35.2 3.5.3 3.5.4

13、3.5.5 3.5.6 3.5.7 3.5.8 3.5.8 3.5.10 3.6 4.1 4.2 4.3 4.3.1 4.3.2 4.3.3 4.4 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.5 4.6 4.6.1 4.6.2 4.8.3 4.7 4.7.1 4.7.2 4.7.3 4.7.4 4.8 4.8.1 4.8.2 TABLE OF CONTENTS (CONT.) FrontPanelTriggering . 2-7 ExternalTrigger . 2-7 VoltmeterComplete. . 2-8 TriggeringExample . 2-8 B

14、asicMeasurements. . 2-9 OCVoltageMeasurements . 2-9 ResistanceMeasurements . 2-10 ACVoltageMeasurements . 2-11 OCCurrentMeasurements . 2-11 ACCurrentMeasurements . 2-11 TRMSConsiderations . 2-12 TRMSMeasurementComparison . 2-12 CrestFactor . 2-13 SECTION 3 FRONT PANEL PROGRAMS Introduction . 3-l Pro

15、grammingControls . 3-1 Front Panel Program Display Messages . 3-1 ProgrammingNotes . 3-1 ProgramDescription . 3-3 ProgramO.Clear . 3-3 Program 1. Non-Volatile Storage . 3-3 Program2.Multiplex . 3-3 Program 3. IEEE Address and Talk-Only Mode . 33 Program4.LineFrequency . 3-4 Program 5. Digital Calibr

16、ation . 3-4 Program6.Expansion . 3-5 Program7.OataLogger. . 3-5 ProgramS.Oiagnostics . 3-7 ProgramS.TriggerMode . 3-8 ProgremmingScalingFactors . 3-8 SECTION 4 IEEE-488 OPERATION Introduction . 4-l BusDescription . 4-l IEEE488BusLines . 4-2 SusManagementLines . 4-2 HandshakeLines . 4-2 DataLines . 4

17、-3 BusCommends. . 4-3 UnilineCommands . 4-3 UnivenalCommands . 4-3 AddressedCommands . 4-4 UnaddressCommands . 4-4 Device-DependentCommands . 4-4 Command Codes . 44 CommandSequence . . . 4-4 Addressed Command Sequence . 46 UniversalCommandSequence . 4-6 Device-Dependent Command Sequence . 4-6 Hardwa

18、reconsiderations . 4-6 Typical Controlled Systems . 4-6 BusConnections. . 4-6 PrimaryAddressProgramming . 4-8 Talk-Only Mode . 49 Softwareconsiderations . 4-9 Controller Interface Routines . 4-9 HP-85BASlCStatements . 4-9 ii 4.03 4.8.4 4.9 4.9.1 4.9.2 4.9.3 4.8.4 4.9.5 4.9.6 4.9.7 4.9.8 4.10 4.10.1

19、4.10.2 4.10.3 4.10.4 4.10.5 4.10.8 4.10.7 4.10.8 4.10.9 4.10.10 4.10.11 4.10.12 4.10.13 4.10.14 4.10.15 4.10.16 4.10.17 4.10.18 4.10.19 4.10.20 4.11 4.11.1 4.11.2 4.11.3 4.12 5.1 5.2 5.3 5.4 5.5 55.1 5.5.2 5.5.3 5.54 5.5.5 6.1 2 6:3.1 6.3.2 6.3.3 6.3.4 TABLE OF CONTENTS (CONT.1 InterfacaFunctionCoda

20、s . 410 Model 195 Interface Commands . 4-10 General Bus Command Programming . 411 REN (Remote Enable) . 4-11 IFClInterfaceClear) . 4-11 LLOlLocalLockout) . 4-12 GTL(GoToLocall . 4-12 DCL(DeviceClear) . 4-12 SDC (Selective Device Clear) . 412 GETlGroupExecuteTriggsrJ . 4-13 Serial Polling (SPE, SPD)

21、. 413 Device-Dependent Command Programming . 4-13 Execute(X) . 4-14 FunctionfF) . . . 4.14 Range(R) . 4-14 Rate(S) . 4-16 ZeroCommandIZ) . 4-17 Filter. . 4-17 Triggering (Tl . 4-17 EOIIK) . 4-18 Multiplex(A) . 4-18 Delay(W) . 4-18 StatusWord . 4-19 SRQ Mode (M) and Status Bvte Format. . 4-20 BufferC

22、ommand (Qand El . 4-21 DateFormat . 4-22 DigitalCalibration . .i . 4-23 Non-VolatileMemorvStoragefL) . 4-24 SelfTest . 4-24 ProgrammingTerminator(Y). . 4-24 HitBunonlH) . 4-26 Display(D) . 4-25 FrontPanelErrorMessages . 426 IDDCError . 4-26 IDDCOError . 4-26 NoRemoteError . 4-26 ReadingRates . 4-27 SECTION 6 PERFORMANCE VERIFICATION Introduction . 5-l EnvironmentalConditions .