AEMC instruments CA811 Manuale utente

LIGHTMETERS

CA811

CA813

E N G L I S H User Manual

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Statement of Compliance

Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments

certiﬁes that this instrument has been calibrated

using standards and instruments traceable to

international standards.

We guarantee that at the time of shipping your

instrument has met its published speciﬁcations.

An NIST traceable certiﬁcate may be

requested at the time of purchase, or obtained

by returning the instrument to our repair and

calibration facility, for a nominal charge.

The recommended calibration interval for this

instrument is 12 months and begins on the date of

receipt by the customer. For recalibration, please

use our calibration services. Refer to our repair

and calibration section at www.aemc.com.

Serial #: ________________________________

Catalog #: 2121.20 / 2121.21

Model #: CA811 / CA813

Please ﬁll in the appropriate date as indicated:

Date Received: _________________________________

Date Calibration Due: _______________________

Chauvin Arnoux®, Inc.

d.b.a AEMC®Instruments

www.aemc.com

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Table of Contents

1. INTRODUCTION............................................................................... 2

1.1 International Electrical Symbols................................................2

1.2DenitionofMeasurementCategories .....................................3

1.3ReceivingYourShipment..........................................................3

1.4OrderingInformation.................................................................3

2. PRODUCT FEATURES ...................................................................... 4

2.1Description................................................................................4

2.2ButtonFunctions.......................................................................5

2.2.1Center(Yellow)FunctionSwitch ...................................5

2.2.2RANGEButton..............................................................5

2.2.3HOLDButton ................................................................5

2.2.4Back-lightButton...........................................................5

2.2.5MAXButton(ModelCA811).........................................5

2.2.6PEAKButton(ModelCA813).......................................5

3. SPECIFICATIONS............................................................................. 6

3.1EnvironmentalSpecications....................................................6

3.2GeneralSpecications..............................................................7

3.3SafetySpecications ................................................................7

4. OPERATION .................................................................................... 9

4.1RecommendationsBeforeOperating .......................................9

4.2OperatingInstructions...............................................................9

5. MAINTENANCE ............................................................................. 10

5.1ReplacingtheBattery .............................................................10

5.2Cleaning..................................................................................10

RepairandCalibration...........................................................................11

TechnicalandSalesAssistance ............................................................11

Limited Warranty ...................................................................................12

WarrantyRepairs...................................................................................12

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LightmeterModelsCA811andCA813

CHAPTER 1

INTRODUCTION

WARNING

• Donotconnectto,ortouch,anyelectricalcircuitwiththeLight-

meter.

• DonotoperatetheLightmeterinwetorexcessivelydampenvi-

ronments.

• Toavoidinjuryorrehazard,donotoperatethisproductinan

explosiveatmosphereorenvironment.

• Toavoideyeinjury,weareyeprotectionifthereisapossibilityof

hazardousordangerousexposuretohigh-intensitylightrays.

• Donotimmerse inliquids.Cleanthesensorheadonlyusinga

dampcloth.

• Placetheprotectivecoveronthesensorwhennotinuse(pro-

tectsthesensorandextendsusefulcelllife).

• Complywiththesafetyandenvironmentalspecications.

1.1 International Electrical Symbols

This symbol signiﬁes that the instrument is protected by double or reinforced

insulation.

This symbol on the instrument indicates a WARNING and that the operator must refer

to the user manual for instructions before operating the instrument. In this manual,

the symbol preceding instructions indicates that if the instructions are not followed,

bodily injury, installation/sample and product damage may result.

Risk of electric shock. The voltage at the parts marked with this symbol may be

dangerous.

This symbol refers to a type A current sensor. This symbol signiﬁes that application

around and removal from HAZARDOUS LIVE conductors is permitted.

In conformity with WEEE 2002/96/EC

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LightmeterModelsCA811andCA813

1.2 Deﬁnition of Measurement Categories

CAT II: Formeasurementsperformedoncircuitsdirectlyconnectedto

theelectricaldistributionsystem.Examplesaremeasurements

onhouseholdappliancesorportabletools.

CAT III:Formeasurementsperformedinthebuildinginstallationat

thedistributionlevelsuchasonhardwiredequipmentin xed

installationandcircuitbreakers.

CAT IV: Formeasurementsperformedattheprimaryelectricalsupply

(<1000V)suchasonprimaryovercurrentprotectiondevices,

ripplecontrolunits,ormeters.

1.3 Receiving Your Shipment

Uponreceivingyourshipment,makesurethatthecontentsareconsis-

tentwiththepackinglist.Notifyyourdistributorofanymissingitems.If

theequipmentappearstobedamaged,leaclaimimmediatelywiththe

carrierandnotifyyourdistributoratonce,givingadetaileddescriptionof

anydamage.Savethedamagedpackingcontainertosubstantiateyour

claim.

1.4 Ordering Information

Lightmeter Model CA811................................................... Cat. #2121.20

Includes 9V alkaline battery, rugged, shockproof, protective holster and user

manual.

Lightmeter Model CA813 ..................................................Cat. #2121.21

Includes 9V alkaline battery, rugged, shockproof, protective holster and user

manual.

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LightmeterModelsCA811andCA813

CHAPTER 2

PRODUCT FEATURES

2.1 Description

TheLightmeterModelsCA811andCA813areportable,easy-to-useinstru-

mentsfeaturingopticalsensorsthataredesignedtomatchtheresponse

ofthehumaneye,makingthemidealinstrumentsforworkspaceanalysis

andplanning.Theergonomicallydesignedcase,largedisplayandintui-

tivefunctionselectionmaketheseinstrumentstherightchoiceforany

application.

TheLightmeterModelsCA811andCA813aredesignedforsimpleone-

handoperation.Theyprovideselectableluxorfootcandleunitsfordisplay

andfeaturea3½digitbacklitLCDdigitaldisplayandaHOLDfunction.

TheModelCA811oersaMAXfunction,whiletheModelCA813oersa

PEAKfunctionandabroaderlightresponse.

1. Photodiodesensor

2. 3½digitdisplay

3. RANGE selector

4. MAX(CA811)orPEAK(CA813)

5. Removablelightsensor

6. HOLDbutton

7. Power/modeselector

3 6

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LightmeterModelsCA811andCA813

2.2 Button Functions

2.2.1 Center (Yellow) Function Switch

TurnstheLightmeterONandselectstheluxorfc(foot-candles)setting.

SlidetheswitchtoOFFafteruse.

2.2.2 RANGE Button

TheRANGEbuttonchangesthemeasurementrange.Atpower-up,the

selectedrangeis2000fcor2000lux.

PresstheRANGEbuttonuntilthedesiredluxorfcrangeisselected.Each

timeyoupresstheRANGEbutton,therangewillincreasebyafactorof

ten(x10),andanewvalueisdisplayed.Thescalefactor(fc,kfc,lux,klux)

isdisplayedinthelowerlefthandcornerofthedisplay.

2.2.3 HOLD Button

TheHOLDbutton“freezes”thereadingonthedisplay.

PresstheHOLDbuttontoactivatetheHOLDfunction.IntheHOLDmode,

theHOLDannunciatorisdisplayedintheupperpartoftheLCDdisplay

andthelastreadingisdisplayeduntiltheHOLDbuttonisreleased.

2.2.4 Back-light Button

PressthebuttontoturntheBack-lightON.PressagaintoturnOFF.

2.2.5 MAX Button (Model CA811)

Pressthebuttonfor2secondstoenterorexittheMAXmode.When

enabled,MAXisdisplayedintheupperrighthandcornerofthedisplay.

TheLightmeterthenrecordsanddisplaysthemaximumabsolutevalue.It

isonlyupdatedwhenanewMAXisreached.

2.2.6 PEAK Button (Model CA813)

Pressthebuttonfor2secondstoenterorexitthePEAKmode.When

enabled,PEAKisdisplayedintheupperlefthandcornerofthedisplay.

InthePEAKmode,theLightmeterrecordsanddisplaysthemaximum

absolutevalueovera50msperiodandisupdatedwhenanewPEAKis

reached.

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Lightmeter Models CA811 and CA813

CHAPTER 3

SPECIFICATIONS

Light Conversion Formulas 1 foot-candle (lumens/foot2) = 10.764 lux

1 lux (lumens/meter2) = 0.0929 foot-candles

The Inverse-square Law

The inverse-square law states that the illuminant E at a point on a surface

varies directly with the intensity I of a point source, and inversely as the square

of the distance d between the source and the point. If the surface at the point is

normal to the direction of the incident light, the law is expressed by E=I/d2.

Cosine Law

The cosine law states that the illuminant on any surface varies with the cosine

of the angle of incidence. The angle of incidence qis the angle between the

normal to the surface and the direction of the incident light. The inverse-square

low and the cosine law can be combined as E=(I cos q) /d2.

3.1 Environmental Speciﬁcations

Range (CA811): 20 lux, 200 lux, 2000 lux, 20k lux

20 fc, 200 fc, 2000 fc, 20k fc

Range (CA813): 20 lux, 200 lux, 2000 lux, 20k lux, 200k lux

20 fc, 200 fc, 2000 fc, 20k fc

Resolution: 0.01 lux, 0.01 fc

Accuracy (Type A 2856K light source): ±5% ± 10cts

Accuracy for Common Light Sources (CA811): ±18% ± 2cts

Accuracy for Common Light Sources (CA813): ±11% ± 2cts

Cosine Angle: ƒ’2<2% cosine corrected (150°)

Spectral Response: CIE photopic curve

Spectral Accuracy (CA811): ƒ’1<15%

Spectral Accuracy (CA813): ƒ’1<8%

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LightmeterModelsCA811andCA813

Temperature Coecient:0.1timestheapplicableaccuracyspecication

per°Cfrom0°to18°Cand28°to50°C(32°to64°Fand82°to122°F)

PEAK Hold Response Time (CA813):>50mslightpulse

Note: TheCIEstandardilluminanttypeAmaybeobtainedbymeansofCIE

standardtypeAlightsource,whichisdenedastypeAgastypelledtung-

sten-lamentlampoperatingatacorrelatedcolortemperatureof2856K.

3.2 General Speciﬁcations

Display:3½digitLCDwithmaximumreadingof1999

Over-Range:“ ”isdisplayed

Power Source:Standard9Vbattery(NEDA1604,6LR61orequivalent)

Battery Life:200hourstypicalwithcarbonzincbattery

isdisplayedwhenthebatteryvoltageLow Battery Indication:The

dropsbelowtherequiredlevel

Sample Rate: 2.5timespersecond,nominal

Operating Temperature: 32°to122°F(0°to50°C)at<80%RH

Storage Temperature:

-4°to140°F(-20°to60°C),0to80%RHwithbatteryremoved

Accuracy:Statedaccuracyat73°±9°F(23°±5°C),<75%RH

Altitude:2000mmax

Dimensions:6.81x2.38x1.5"(173x60.5x38mm)

Weight:Approx7.9oz(224g)includingbattery

Electromagnetic compatibility: Emissions and immunity in an

3.3 Safety Specifications

EN61010-1(1995-A2),ProtectionClassIII

OvervoltageCategory(CATIII,24V),PollutionDegree2Indoor Use

*All specifications are subject to change without notice

industrial setting compliant with EN 61326-1

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LightmeterModelsCA811andCA813

CIE PHOTOPIC CURVE

683

546.4

409.8

273.2

136.6

(%)

100

CIE Photopic Curve

Lumen/Watt Conversion Factor

Luminous Efficiency Coefficient

Wavelength in Nanometers

380 420 460 500 540 580 620 660 700 (nm)

BLUE

GREEN

RED

Wavelength

(nm)

Vl CIE

Photopic

Luminous

��

�

Photopic

Lumen/

Watt

Conversion

Factor

Wavelength

(nm)

Vl CIE

Photopic

Luminous

��

�

Photopic

Lumen/Watt

Conversion

Factor

380 0.0000 0.05 570 0.9520 649.0

390 0.0001 0.13 580 0.8700 593.0

400 0.0004 0.27 590 0.7570 516.0

410 0.0012 0.82 600 0.6310 430.0

420 0.0040 2.73 610 0.5030 343.0

430 0.0116 7.91 620 0.3810 260.0

440 0.0230 15.7 630 0.2650 181.0

450 0.0380 25.9 640 0.1750 119.0

460 0.0600 40.9 650 0.1070 73.0

470 0.0910 62.1 660 0.0610 41.4

480 0.1390 94.8 670 0.0320 21.8

490 0.2080 142.0 680 0.0170 11.6

500 0.3230 220.0 690 0.0082 5.59

510 0.5030 343.0 700 0.0041 2.78

520 0.7100 484.0 710 0.0021 1.43

530 0.8620 588.0 720 0.0010 0.716

540 0.9540 650.0 730 0.0005 0.355

550 0.9950 679.0 740 0.0003 0.170

555 1.0000 683.0 750 0.0001 0.820

560 0.9950 679.0 760 0.0001 0.041

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