Extech LT45 Bedienungsanleitung


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USERGUIDE
LEDLightMeter
Model LT45
LT45-EU-EN v1.4 9/13
2
Introduction
Congratulationson ofyourpurchase theExtechLT45LEDLightMeterthatmeasureslightfromLED
lampsinadditionto fluorescent, metalhalide,high sources.‐ pressure sodiumandincandescent 
TheLT45 red,iscapableof ofmeasuringtheillumination white, yellow,green,blue,andpurple
LEDsupto400,000Lux(40,000Fc).
The programmedLT45canalsocalculate lightluminousintensity(CD)using a distancetothe‐ value 
bytheuserinmetersorfeetunits.
The store forLT45can upto99 readings laterrecallandincludesOverloadindication,Battery
statusicon,Datahold, tracking,Maximum/Average/Minimum(MAX/MIN) pushbutton Zero
calibrationadjustment,AutoPoweroff(withdisablefunction),andautorangingfeatures.
This calibratedinstrumentisshipped testedfully and and,withproperuse,willprovideyearsof
reliableservice. forPleasevisitour website (www.extech.com)tocheck  thelatestversionofthis
UserGuide,ProductUpdates, Customerand Support.
Features
Overload   Indication: LCD screen will show “OL” at the upper left hand corner
Battery  strength status indication
Display   Update Rate: 2.5 times per second
SpectralresponsenearCIEluminousspectralefficiencyratings
Cosine  Angle corrected
Conforms   to JIS C 1609:1993 and CNS 5119 general class A Specifications
Measures     the intensity of illumination of white, red, yellow, green, blue, and purple LED
light lightandallvisible inLuxorfootcandles
Calculates  Luminous Intensity (CD)
Data  hold freezes displayed reading
Maximum/Average/Minimum  Memory Hold
Zero adjustment
Auto   power off with disablefunction
Automatic   range adjust optimizes accuracy and resolution
Manually   store/recall up to 99 readings
Complete   with light sensor, protective sensor cover, and coiled cable expandable to 59”
(1.5m),9Vbattery,andhardshellcase
LT45-EU-EN v1.4 9/13
3
Safety
Do      not operate the meter in environments where the following are present: explosive gases
(or (ormaterials),combustiblegases materials),steam,ordust.
Please   replace the battery immediately whenthe battery symbol   appears on the LCD.
Do     not touch the meter’s circuit board for any reason as static electricity or contamination
coulddamagethesensitive components. 
For   Indoor use only. This instrument was designed for pollution degree2.
Operation   Altitude: Up to 2000m (7000’).
MeterDescription
1. Display(LCD)
2. Lux/Fc/CD unit selectbutton
3. 99 MEM/READ (forbutton  readingmemory)
4. Uparrowbutton MAX/MIN/AVG buttonand  
5. Power PowerandAuto OFFcontrol button 
6. Zero Calibration button
7. DataHoldandLightsourceselectbutton
8. Downarrowbutton
9. Coiledsensorconnection cable
10. detector Photo 
Note: batteryThe andtripodmountarelocated
on oftheback themeter


Produktspezifikationen

Marke: Extech
Kategorie: Belichtungsmesser
Modell: LT45

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