Your purchase of this Digital Luxmeter marks a step forward
Contents
1. C lt 80 RH non condensing Storage Temperature 10 C to 60 lt 70 RH battery removed m Operating principle dual slop integration Sample Rate 2 times sec for digital data Display 3 1 2 digits LCD Display with max Reading 1999 Over range Display 1 is displayed Power Supply DC 9V battery NEDA 1604 6F22 006P Low Battery Indicator The is displayed when the battery is under the proper operation range Photo Detector Lead Length 150 approx Photo Detector Size 83x 52x 20 5mm Dimension 125 5 L x 72 W X 27 H mm Weight 140g approx battery removed Accessories Carrying case battery user s manual 3 2 Technical Specification Accuracy 96 of reading number of digits at 18 C to 28 C 64 F to 82 F with relative humidity to 80 Range Resolution accuracy 0 1 999 Lux 1 Lux 59 2 2 000 19 990 Lux 10 Lux 5 2d 20 000 50 000 Lux 100 Lux 5 2d NOTE Accuracy tested by a standard parallel light tungsten lamp of 2854 K temperature 3 3 Correction Factor Mercury 1 1 Fluorescent 1 1 0 Incandescent Light x 1 0 Daylight een 1 0 5 2 4 SPECTRUM FOR PHOTO DETECTOR Relative Sensitivity 5 MEASURING PROCEDURE Power up Press the POWER key to turn the meter on Selecting the LUX sca2. Your purchase of this Digital Luxmeter marks a step forward for you into the field of precision measurements Although this Luxmeter is a complex and delicate instrument its ruggedness will allow many years Of use if proper operating techniques are developed Please read the following instructions carefully and always keep this manual within easy reach CONTENTS TSEEATURES ce ste du Ser SR kan 2 FRONT PANEL 3 4 SPECTRUM FOR PHOTO DETECTOR Tm 5 MEASURING nn 6 re e area 8 7 RECOMMENDED nn 9 1 FEATURES Precise and easy readout High accuracy and wide measurement range LSI circuit use provides high reliability and durability In build LOW BATTERY indicator LCD display allows clear read out even at bright places LCD display provides low power consumption Compact lightweight and excellent operation Separate PHOTO DETECTOR allows user take measurements at an optimum position Data Hold function for holding measuring values DIGITAL LUXMETER PHOTO DETECTOR 2 FRONT PANEL DESCRIPTION HOLD key 22 Photo Detector LCD display 0 Function switch POWER key 3 SPECIFICATIONS 3 1 General Specification Environment Conditions Operating Temperature 0 C to 40
3. le Set the Function switch to desired LUX range Face the photo detector to light source in a horizontal position Read the illuminance value from the LCD display Data Hold mode Press the HOLD key to select Hold mode When HOLD mode is selected the illuminance meter stops all further measurements Press the HOLD key again to cancel HOLD mode Then it resumes normal operation When the measurement is completed turn the power off NOTE If display indicates one or more leading zeros user has to shift the Function switch to the next lower range scale to improve resolution and accuracy 6 MAINTENANCE 6 1 General maintenance To keep the instrument clean wipe case with a dry cloth and detergent do not use abrasives or solvents The white plastic disc on the top of the detector should be cleaned with a damp cloth when necessary Any adjustment maintenance and repair shall be by a qualified person 6 2 Battery Replacement When the battery voltage drop below proper operation range the E symbol will appear on the LCD display and the battery need to be Slide the battery cover away from instrument and remove the battery Replace with 9V battery and reinstall the cover 8 7 RECOMMENDED ILLUMINATION LOCATIONS Lux OFFICE Conference Reception room 200 750 Clerical work 700 1500 Typing drafting 1000 2000 HOTEL Public room Cloakroom 100 200 Recep
4. tion Cashier 200 1000 LOCATIONS Lux FACTORY Packing work Entrance passage 150 300 Visual work at production line 300 750 Inspection work 750 1500 Electronic parts assembly line 1500 3000 STORE Indoors Stairs Corridor 150 200 Show windows Packing table 750 1500 Forefront of show windows 1500 3000 LOCATIONS Lux 10 HOSPITAL Sickroom Warehouse 100 200 Medical Examination room 200 750 Operating room 750 1500 Emergency Treatment 750 1500 SCHOOL Auditorium Indoor Gymnasium 100 300 Class room 300 750 Laboratory Library Drafting room 750 1500 11 WLS211
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