Fluke789万用表校准手册英文版资料下载.pdf

1、789ProcessMeterCalibration ManualPN 1988891September 2002 2002 Fluke Corporation,All rights reserved.Printed in USAAll product names are trademarks of their respective companies.LIMITED WARRANTY AND LIMITATION OF LIABILITYEach Fluke product is warranted to be free from defects in material and workma

2、nship under normal use andservice.The warranty period is three years and begins on the date of shipment.Parts,product repairs,andservices are warranted for 90 days.This warranty extends only to the original buyer or end-user customer ofa Fluke authorized reseller,and does not apply to fuses,disposab

3、le batteries,or to any product which,inFlukes opinion,has been misused,altered,neglected,contaminated,or damaged by accident or abnormalconditions of operation or handling.Fluke warrants that software will operate substantially in accordancewith its functional specifications for 90 days and that it

4、has been properly recorded on non-defective media.Fluke does not warrant that software will be error free or operate without interruption.Fluke authorized resellers shall extend this warranty on new and unused products to end-user customersonly but have no authority to extend a greater or different

5、warranty on behalf of Fluke.Warranty support isavailable only if product is purchased through a Fluke authorized sales outlet or Buyer has paid theapplicable international price.Fluke reserves the right to invoice Buyer for importation costs ofrepair/replacement parts when product purchased in one c

6、ountry is submitted for repair in another country.Flukes warranty obligation is limited,at Flukes option,to refund of the purchase price,free of charge repair,or replacement of a defective product which is returned to a Fluke authorized service center within thewarranty period.To obtain warranty ser

7、vice,contact your nearest Fluke authorized service center to obtain returnauthorization information,then send the product to that service center,with a description of the difficulty,postage and insurance prepaid（FOB Destination）.Fluke assumes no risk for damage in transit.Followingwarranty repair,th

8、e product will be returned to Buyer,transportation prepaid（FOB Destination）.If Flukedetermines that failure was caused by neglect,misuse,contamination,alteration,accident,or abnormalcondition of operation or handling,including overvoltage failures caused by use outside the productsspecified rating,o

9、r normal wear and tear of mechanical components,Fluke will provide an estimate of repaircosts and obtain authorization before commencing the work.Following repair,the product will be returned tothe Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation cha

10、rges（FOB Shipping Point）.THIS WARRANTY IS BUYERS SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHERWARRANTIES,EXPRESS OR IMPLIED,INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTYOF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.FLUKE SHALL NOT BE LIABLEFOR ANY SPECIAL,INDIRECT,INCIDENTAL OR

11、CONSEQUENTIAL DAMAGES OR LOSSES,INCLUDING LOSS OF DATA,ARISING FROM ANY CAUSE OR THEORY.Since some countries or states do not allow limitation of the term of an implied warranty,or exclusion orlimitation of incidental or consequential damages,the limitations and exclusions of this warranty may notap

12、ply to every buyer.If any provision of this Warranty is held invalid or unenforceable by a court or otherdecision-maker of competent jurisdiction,such holding will not affect the validity or enforceability of any otherprovision.Fluke CorporationP.O.Box 9090Everett,WA 98206-9090U.S.A.Fluke Europe B.V

13、.P.O.Box 11865602 BD EindhovenThe Netherlands11/99iTable of ContentsTitlePageIntroduction.1Contacting Fluke.1Read First-Safety Information.2Warnings and Cautions.2Symbols.3Specifications.4General Specifications.7Required Equipment.7Basic Maintenance.8Cleaning the ProcessMeter.8Replacing the Batterie

14、s.8Battery Life.9Checking and Replacing the Fuses.10Calibration Verification.11Preparing to Perform Calibration Verification.11Loop Power.12Current Sourcing.13Current Measurement.14Checking the Diode Test Function.15Checking the Continuity Test Function.17Resistance Measurement Test.18DC Millivolts

15、Measurement Test.20DC Volts Measurement Tests.21AC Volts Measurement Test.22Frequency Measurement Test.23Calibration Adjustment.24Preparing for Calibration Adjustment.24AC Voltage Adjustment.25Frequency Adjustment.26DC Voltage Adjustment.27DC Millivolts Adjustment.28Ohms Adjustment.28Diode Adjustmen

16、t.29Milliamps DC Adjustment.29Amps DC Adjustment.30Amps AC Adjustment.30Milliamps Output Adjustment.30Replacement Parts and Accessories.31789Calibration ManualiiiiiList of TablesTableTitlePage1.Symbols.32.Required Equipment and Software.83.Typical Alkaline Battery Life.94.Current Sourcing Test.135.DC mA Test.156.DC Amp Test.157.AC Amp Test.158.Resistance Measurement Test Using a 5500A or 5520A Calibrator.199.DC mV Test.2010.DC Volts Test.2211.AC Volts Test.2212.Frequency Measurement Test.23789Ca