Newport 1825-C Operator'S Manual Download Page 1 | Manualshive

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O

PERATOR

’

S

M

ANUAL

Model 1825-C
Power/Energy Meter

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Summary of Contents for 1825-C

Page 1: ...OPERATOR S MANUAL Model 1825 C Power Energy Meter...

Page 2: ...Model 1825 C Power Energy Meter...

Page 3: ...anty This warranty does not apply to defects resulting from modification or misuse of any product or part This warranty also does not apply to fuses batteries or damage from battery leakage This warra...

Page 4: ...ted to the following specifications EN50081 1 EMISSIONS Radiated and conducted emissions per EN55011 Group 1 Class A EN50082 1 IMMUNITY Electrostatic Discharge per IEC 1000 4 2 severity level 3 Radiat...

Page 5: ...on 3 2 2 Display 3 2 3 Front and Rear Panel Controls 4 2 3 1 RANGE 5 2 3 2 ZERO 5 2 3 3 AVERAGE 6 2 3 4 MODE 6 2 3 5 CAL Slide Switch 6 2 3 6 SETUP Dip Switches 7 2 3 7 EXP ADJ Rotary Dip 7 2 4 Using...

Page 6: ...Temperature Effects 16 3 3 5 Ambient and Stray Light 16 3 4 Performing Basic Measurements 17 3 4 1 Making a CW Power Measurement 17 3 4 2 Making a Signal Integration Measurement 18 3 4 3 Making a Pul...

Page 7: ...Types 11 Figure 9 Pulse Signal Detection 12 Figure 10 Detector Time Constant ACCEL ADJ Setting 13 Figure 11 Simplified Model 1825 C Functional Block Diagram 14 Figure 12 Typical Energy Detector Signal...

Page 8: ...ossible injury Read the instruction manual thoroughly before using to become familiar with the instrument s operations and capabilities Warning The American National Safety Institute ANSI states that...

Page 9: ...tor type C degrees Centigrade DC direct current F degrees Fahrenheit Hz hertz cycles per second I V current to voltage converter kHz kilohertz k kiloOhms LSD least significant digit mA milliamps mV mi...

Page 10: ...regulated Battery Life 20 hours Battery Type Lead acid rechargeable 1000 cycles Display 3 5 digit annunciated LED and analog meter Reading Rate 12 Hz Max Range Switch 12 position 6 decades of gain Ope...

Page 11: ...ur at constant temperature Analog output offset 10mV Analog output noise 5 0 1 relative noise factor calibration factor mantissa 6 Calibration accuracy 0 1 1 calibration factor mantissa 6 DC accuracy...

Page 12: ...FA 818 FA2 FP3 CA1 FP3 CA2 FP3 CA3 FP3 CA4 FP3 CA5 FP3 CA6 FP3 FH1 818J 25Q 818J 50Q 818JA YAG25 818JA YAG50 818JA NG254 818JA NG504 818JA NG251 818JA NG504 818JA 9Q 818J 09 818J 09B 818J 25 818J 25B...

Page 13: ...ngagentimmediately Retainthe originalpackingmaterialsincasereshipmentbecomesnecessary TheModel1825 CPower EnergyMetershouldhavesomeoperationsper formedbeforemeasurementsaremade Theseinclude Chargingth...

Page 14: ...splayed TheBATannunciatorlightswhenthebatteryvoltagereaches7voltsand indicatesthatrechargingisneeded SeeSection2 4 1 BatteryCharging To increasebatterylife thedigitaldisplaydimswhiletheanalogdisplayba...

Page 15: ...erAdjust 1 Turn Trim Pot Unlabeled Calibratestheanalog needlezero factoryset CAL 10 Turn Pot SetstheCalibrationFactordecimal number ZERO 10TurnKnob Zerosthedisplay Usedtoelimi nateambientsignalsandele...

Page 16: ...e signal gain of the Model 1825 C It has twelve positionscovering6decadesofsignalgain Intermediategainpositionsonly changethefullscalereadingoftheanalogdisplayanddonoteffecteitherthe digitaldisplayort...

Page 17: ...witchPositionandDetectorCompatibility MODEPosition CompatibleDetectors Comment CW Low Power High Power Measuresaverageoptical power INTEG Low Power High Power Measuresenergyresulting fromintegratedpow...

Page 18: ...differbymanydecades TheModel1825 CPower EnergyMeterdoesnothaveamicroprocessor It reliesontheusertoproperlyinstallthecalibrationfactordescribingthe detectorandwavelengthinuse Inordertoassurethatmeasure...

Page 19: ...TUPdipswitches toreflectthetypeofNewportdetectorthattheModel1825 Cisbeingused with If you are not using a Newport detector follow the figure below when settinguptheModel1825 C Informationfromthisfigur...

Page 20: ...ibrationFactorExponentEntry Thecalibrationfactorexponentisthe dofthecalibrationfactorvalue d ddE d TheModel1825 CaccountsforthisexponentthroughitsEXP ADJ rotary dip setting The EXP ADJ rarely needs to...

Page 21: ...vity OnecanmeasuretheaccumulatedenergyfromexposureusingtheINTEG mode Whenapower P t isincidentonapowerdetector theintegration circuit behaves as is shown in Figure 6 below The display then reflects th...

Page 22: ...SE This MODE of operation is only compatible withNewportEnergydetectors TheModel1825 C sPULSEmodeautomati callyaccountsforthebaselinedriftinherentinpyroelectricdetectorswhen exposedtoapulsetrain seeFi...

Page 23: ...ors You can set or fine tune the ACCEL ADJ to your particular detector This is especiallyusefulifyouaremonitoringtheprocessedanalogoutputonan oscilloscopeorothertimebasedordatalogginginstrument Thisad...

Page 24: ...lstillbe1 560 volts Theanalogoutputcanbeconfiguredintwoways PROCESSED or UNPROC ESSED PROCESSEDanalogoutputreflectsthecumulativeeffectsofany signalconditioningsuchassignalaveraging integrationandaccel...

Page 25: ...piles voltagemeasurement orpyroelec tric peakvoltagemeasurement detectors DetectorsignalsareintroducedtotheModel1825 CbywayofaBNCinput connector A bank of dip switches found on the back of the Model 1...

Page 26: ...rcharacteristics opticaland electricalconsiderations andenvironmentalinfluencesonopticalmeasure ments Ingeneral theaccuracyofmeasurementwiththeModel1825 Cis limitedbythecalibrationaccuracyofthedetecto...

Page 27: ...etectortemperatureisconstant sensitivitychangesanddarkcurrent driftsaresignificantlyreduced Inaddition ifthedetectoriscooled thedark currentanddarkcurrentnoisewilldecrease Forthemostaccuratemeasure me...

Page 28: ...nmeasurementerrors Ingeneral theabsolutemeasurementaccuracy islimitedbytheaccuracyofthedetectorcalibrationandenvironmental factorsaffectingthedetector Seetheappropriatedetectormanualfor specificinform...

Page 29: ...ANGEknobuntiltheTRIG annunciatorlightstoindicatethatthesignalhasexceededthetrigger threshold Whenthe pulse isover theREADannunciatorwilllightto indicatethatthedisplaycontainsagoodfinalvalue Continue p...

Page 30: ...le8 below Table7 CommonMeasurementErrors TypeofError TypeofDetector Whatshouldbedone Radiometry Any Check that all of the light is actuallyhittingthedetector AmbientLight Any Checkthatanyambientlight...

Page 31: ...sthatcannotberesolvedwithinformationinthismanual orforother situationsthatarenotcoveredinthissection pleaseseeSection5fordetails onreturningyourentiresystemtoNewportforservice Table8 Symptom FaultTrou...

Page 32: ...brationaccuracy is warranted for a period of 1 year After 1 year the unit should be returned to NewportCorporationforrecalibrationandNISTtraceabilityrecertification Toobtaininformationconcerningfactor...

Page 33: ...22...

Page 34: ...__________________________________________ Company ______________________________________________________________________________ Address ______________________________________________________________...

Page 35: ...24...

Page 36: ...25...

Page 37: ...n certified com pliant with ISO 9001 by the British Standards Institution P N 19572 01 Rev F IN 04925 04 01 Printed in the USA Newport Corporation Worldwide Headquarters 1791 Deere Avenue Irvine CA 92...

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