LX20
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Catalog excerpts

This instrument is a pocket-sized illuminance meter featuring excellent portability and operability. This is used in wide range of purposes for brightness checking in daily life, illumination maintenance, in offices and factories as well as illumination management in agriculture and forestry. ●Small stick shape sensor probe(sensor diameter is Φ9mm) ●4039 count with analog bar graph ●Silicon photodiode ●Measuring range 0.1lx∼403.9klx ●Data hold ●Auto power save(15min after last operation) ●Cord length 900mm SPECIFICATIONS Measuring range Accuracy 400.0 / 4000 / 40.00k / 400.0klx ±(5%+1) below 3000lx ±(7.5%+1) 3000lx or higher Compatible JIS standard A class Optical sensor Si photodiode with approximated relative luminous efficiency(Φ9mm) Display Numeric : 4039 full scale, Bargraph : 41 segment Over display Displays "OL" Temperature Characteristics ±5% (at 23℃ within operating temperature/humidity range) Relative spectral sensitivity Approximating the standard luminous efficiency observer Battery low warning Blinking “BT” appears in the display when the built-in battery is nearly exhausted and battery supply voltage drops Sampling rate Approx. 3 times/sec. for numeral display Approx. 30 times/sec. for bar graph. Operating temperature / humidity 0℃∼40℃, 80%RH(Max) No condensation Storage temperature / humidity -10℃∼50℃, 80%RH(Max) No condensation Environmental condition Altitude 2000m or below, pollution degree II Power consumption Approx. 13mW Battery LR44 x 2 Size / Mass Main body : H117 x W76 x D18mm/approx. 120g Sensor probe : H 84 x W16 x D10mm Standard accessories included Instruction manual A battery for monitoring has been installed prior to shipment from the factory. It may be discharged before the expiration of the described battery life. This battery is used to check the functions and performance of the product.Specifications and external appearance of the product described above may be revised for modification without prior notice. Dempa Bldg, 4-4 Sotokanda 2-Chome, Chiyoda-Ku, Tokyo 101-0021 Japan Tel:+81-3-3251-0941 Fax:+8

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