Digital Lux meter
Contents
1. Locations Lux Handcraft tailoring Halfway banquet hall business room parking lot Reading makeup kitchen table processing area 750 300 750 300 kitchen telephone reunion entrance inside mirror bathroom accent lighting for gardens changing room 150 70 Wardrobe bedroom bathroom stairs corridor 75 30 Doorplate mailbox doorbell key terrace Shop department store 300 150 Restaurant toilet a large Japanese style room ER Wash sink entertainment room living room family 300 150 Recreation room corridor stairways guest room ELMO2 Lux meter2. information 5 Lux unit 6 FC unit 7 Prompt for auto measurement mode 8 Prompt for peak value measurement mode 9 Prompt for low battery 10 Prompt for relative value measurement mode 11 12 Prompt for max and min values inquiry 2 Measurement methods 2 1 Notices prior to measurement N Warning 1 Do not use the light meter in environments full of dusts or having gas substances and flammable steam substances 2 Do not use the light meter for measurement in the place with high temperature and high humidity 3 Do not use the light meter in environments with intense infrared or ELMO2 Lux meter ultraviolet rays A Tips 1 The opto sensor of this meter is designed by simulating the sensitive curve of light obtained through human eyes The spectral coverage is between 320mm and 730mm When it is used for measurement within the infrared range there will be a large data deviation 2 The opto sensor is calibrated by common electric incandescent lamp required by CIE under the color temperature of 2854 K the provided reading number may be different for the spectrum of other lamps 3 The reference level of light source test is at the top of the spherical surface illuminated 4 The optical detector should expose to light for 2 minutes before measurement 5 Influence of tester s shadow and other factors on the optical detector should be avoided 2 2 Action principles 2 2 1 Concepts of illuminance scales One lux lumen in
3. key for a short time 4 In zero calibration mode the opto sensor must be covered by opto sensor visor before calibration 5 After completing the test the sensor protection cover should be put back to protect light filter and sensor 3 Specific Application 3 1 Application of manual switchover of range measurement mode Press and hold the RAN key range manual switchover key for a short time MANU will appear on the top left position of the LCD interface and the meter will enter the manual switchover measurement mode as shown in figure 3 1 1 When entering manual switchover of range function press RAN B SIDE key for a short time each time it will switch to 20 00Lux MANU MANU 5 10 is 5 1 15 na RA yy r 77 bside cn gt 200 0Lux gt 2000Lux gt 20000Lux gt 200000Lux or 20 00Fc gt 200 0 Fc gt 2000 Fc gt 20000 Fc in sequence LUX LUX Press and hold RAN key for one second MANU on the top left position of the LCD interface will disappear and AUTO will appear in middle of LCD interface and manual range switchover 200 0Lux interface 2000Lux interface function will exit and the device will return to auto range switchover mode MANU MANU 5 P 15 nn 8 5 H 15 Nei Pi St il MANU MANU Eli nn LUX LUX ag tt De 7 P ag tit qneloocg A p i i LUX LUX p p 20000Lux interface 200000Lux interface eS E Figure 3 1
4. 1 20 00Lux interface ELMO2 Lux meter SIDE LN rips 1 Only in peak value measurement mode relative value measurement bside cn mode and max min value inquiry mode it will be effective to press RAN key for a short time 2 In relative value measurement mode and max min value inquiry mode press and hold the key for one second it will return to auto switchover of range 3 In peak value measurement mode data hold mode and zero calibration modes it will be effective to press and hold RAN key for a long time 4 In this mode when measurement value exceeds present range OL will appear on LCD interface to indicate over range and the user should switch over the measurement range at this time 3 2 Application of relative peak value measurement mode Press and hold REL PEAK key for a short time composite key for relative peak value measurement REL will appear on the top left position of the LCD interface as shown in figure 3 1 2A and the device will enter the relative value measurement mode Press and hold REL PEAK key for a short time again REL on the top left position of the LCD interface will disappear and the device will exit ELMO2 Lux meter 10 the relative value measurement mode and return to original measurement mode REL PEAK Press and hold key for one second the device will enter the peak value measurement mode PEAK LCD will appear on the top right position of the LCD int
5. 3 Before sending the meter to manufacturer for repair the user should remove out the batteries and describe faults in details and pack the meter to avoid damages in transportation Our company will assume no responsibility for damages in transformation 4 Repair on the meter should be performed by service centers or other qualified servicemen 6 2 Cleaning First wipe the meter with a damp soft cloth with clean water or neutral detergent and then with a dry cloth ELMO2 Lux meter 14 A Notice 1 Please make sure the light meter is turned off before cleaning 2 Do not use benzene alcohol acetone ethyl ether ketones thinners and gasoline etc in cleaning because they will transform or fade the light meter 3 The light meter can only be used again when it is completely dry after cleaning 6 3 Battery replacement If the battery symbol appears on the LCD accompanied by buzzer alarm batteries must be replaced Batteries should be replaced as follow Turn off the meter Remove the screw on the back of the meter and open the battery compartment Remove exhausted batteries Replace new batteries observing polarity Replace the battery compartment cover and secure the compartment screw B SIDE _ bside cn A Warning 6 4 Calibration Interval 1 Do pay attention to the right polarity of battery when putting in or In order to ensure the accuracy of the meter periodic calibration should replac
6. V alkaline cell GL6F22A 1604A i 00e 808 AX J Safety information LN Warning Do not use the light meter in the environment full of dusts or having gas substances and flammable steam substances Safety mark description This manual contains basic information for ELMO2 safety operation and maintenance Please read carefully following safety information before use B SIDE Table 1 Safety information bside cn Important information which the user must read before using the light meter Mark of conformity Table 2 Warning message It indicates that incorrect operation will lead to serious injury or even fatal accidents It indicates that incorrect operation or negligence will lead to meter damage or wrong measurement results etc Operation suggestions or prompts A Operation considerations User should observe the following notices to guarantee safe operation and obtain optimum performance 1 Preliminary check ELMO2 Lux meter Before initial use please check if the light meter operates normally and if it is damaged during storage and transportation In case of any damage please contact the supplier 2 Placement 10 50 C 14 122 F lt 80 RH non condensed Operational temperature and humidity range 10 50 C 14 122 F lt 70 RH non condensed Storage temperature and humidity range environments Direct sunligh
7. reuse and treatment ELMO2 Lux meter B SIDE e bside cn Schools Office Iluminance Iluminance Locations Lux Lux Drafting classroom sewing classroom computer 1500 300 2000 1500 Design office clerk s office classroom Hall information channel daytime parlor drawing Classroom laboratory practice workshop research 1500 750 office punching typing Locations room reading room stack room office staff lounge Calculator room conference room printing room 750 200 conference room health center restaurant kitchen 750 300 switchboard room control room reception room pantry radio room printing room switchboard room recreation room restaurant guard room indoor stadium Stack room entertainment room dining room lounge Large classroom auditorium storage cabinet room 300 150 300 150 guard room elevator passway washroom toilet lounge staircase Tea room changing room warehouse nightwatchmen Corridor elevator corridor toilet duty room workers 150 75 150 75 office entrance room bridge school outdoor playground 75 30 Warehouse garage fire escape ELMO2 Lux meter B sIDE a bside cn Factories Hospital Iluminance Locations Iluminance Lux Locations Lux 10000 5000 Visual function test chamber ophthalmology lightroom Le Ultra precision operation design drafting precision 1500 750 D 750 300 Consulting room treatment room pharmacy room
8. 1500 750 Design office analysis assemble line coating ae prescription room drug store dissection room os Packaging measurement surface treatment pathological bacteria room emergency rooms warehouse office 300 150 Dyeing casting electrical room conference room Entrance and exit corridor information channel 300 150 150 75 Ward medicine room bed reading medicine staircase dressing room toilet operation warehouse changing plaster bandage for fractures infant room maternity ward dean s office offices nursing room Fire escape warehouse outdoor power equipment B 75 30 record room waiting room consulting room loading and unloading inventory move operation outpatient corridor 150 75 Locker room physical therapy room X ray room ward corridor medicine room sterilization room ward room stairs endoscopy room 75 30 Animal room dark room photo fire escape ELMO2 Lux meter B sIDE di bside cn Hair salon Iluminance Locations Iluminance Lux Locations Lux Indoor display decorative window display 3000 750 1500 750 Haircut perm hair dyeing cosmetics demonstration area checkout counter packaging table ee Shave hairdressing lobby registration counter 750 300 Elevator lobby escalators 750 300 makeup Discussion room dressing room toilet stairs 300 150 House Hotel restaurant recreation ground luminance fection Locations Iluminance Lux
9. ELMO2 Digital Lux meter User Manual O98 B SIDE bside cn Table of Contents Table of Contents o s slaihsisieieeendielasaeiedisied dna ain E E saeemarlinassaeeeennesaslenaeedeles I Introduction Dresser items terasse terne Bim wrap Cal Sia pom Sim pcml Wie pial Wrap nine ose dessein dessu Saigon 1 Limited Warranty Rights and Responsibilities P E E E E A EA 1 Open package inspection AE LLELLE LESELE ESLASA ESELA ib N10 G0 V6 AELE SLAAIE 1 Safety information E E O O E a T 1 1 Introduction E a Ve Ve tin T 3 1 1 Product description E r E E ET 3 1 2 Outstanding features of the ELMO2 multi function light meter 4 1 3 Name and function of components je 5 2 Measurement methods 6 2 1 Notices prior to measurements 6 2 2 Action principles TR 6 2 3 Typical practice es LE ee 7 3 Specific Application D 8 3 1 Application of manual switchover of range measurement mode8 3 2 Application of relative peak value measurement mode 10 3 3 Application of maximum minimum value inquiry modes 11 3 4 Application of data hold and zero calibration mode 12 4 Other Functions TE igeaddeadaeedieeddaediies aoerdtevdnes silecddewsderdoedddeadaeussec sass silos iasi isaisa 12 ELMO2 Lux meter 4 1 Auto power off ie bajo eibidis oiiels aaisis uiale Siac diac aindieied eas bes T 12 5 Technical Data 13 6 Maintenance and Y A VIT et eee 14 aR T A 14 6 2 Cleaning E E E E sense sasee
10. desgeuecess 14 6 3 Battery replacement m reemp net paiaina sie ta Ea A nrn E ES TED ASSN IN ERNS DEKENS 14 6 4 Calibration Interval E ET 15 7 Reference Table for Illumination Standard of Various Locations 15 B SIDE Introduction bside cn Thank you for your purchase of the ELMO2 multi functional light meter designed and manufactured by our company This meter will with proper use provide years of reliable service therefore it is recommended that the user read carefully the user s manual before using the light meter and keep it in right place for reference Limited Warranty Rights and Responsibilities The product is guaranteed for one year from date of purchase against defects in material or workmanship This warranty does not extend to damage caused by fire fusing disposable battery exhausted accidents negligence misuse modification pollution and abnormal operation Dealers are not authorized to extend the warranty coverage on MASTECH s behalf During the applicable limited warranty period the user may contact the nearest MASTECH service center to obtain approval of information and send the product to the center along with fault description Open package inspection Upon reception of the light meter inspect it to ensure no damage ELMO2 Lux meter happened during shipping If the user finds obvious damage or malfunction in operation please contact the supplier Attachments Instruction manual x1 One 9
11. dicates the illuminance got on a surface of one square meter all points of which are one meter from a uniform source of one candela B SIDE One foot candle Fc indicates the illuminance got on a surface of one bside cn square foot all points of which are one foot from a uniform source of one candela 2 2 2 Unit conversion for illuminance scales 1 Fc 10 764 lux 1 lux 0 09290 Fc 2 2 3onversion formula for illuminance and light intensity E I r2 Wherein E illumination value Unit Lux I Light intensity of the light source Unit cd r Distance from the luminous surface of light source to the optical detector Unit m During the measurement the minimum distance between the luminous surface of light source and the opto sensor should be more than 15 times greater than maximum size of the luminous surface or opto sensor 2 3 Typical practice cases In the following practice cases the user stands under a light source Remove the protection cover of the ELMO2 multi functional light meter sensor and place it at right angle to the light source Press and hold the ELMO2 Lux meter ELMO2 power key for a short time to power on the light meter The LCD screen will illuminate about 5 seconds with the buzzer beeping twice and AUTO will appear on the middle of LCD display This indicates that the auto measurement mode is ON Press and hold the manual range switching key of the ELMO2 for a
12. erface and at the same time MENU will appear on the top left position of the LCD interface as shown in figure 3 1 2B Press and hold the key once again for one second PEAK on top right position of LCD interface will disappear and AUTO will appear on the middle of LCD interface and the device will exit the peak value measurement mode and return to auto measurement mode as shown in 3 1 2C fF REL 10 5 15 0 doonori 20 Figure 3 1 2A B SIDE MANU PEAK bside cn W iyo ty iP Figure 3 1 2B 4 pin tot M Figure 3 1 2C A Tip 1 Only in auto measurement mode peak value measurement mode max min value inquiry mode and data hold mode it will be effective to press and hold REL PEAK key for a short time ELMO2 Lux meter 11 2 In non zero calibration mode press and hold REL PEAK for one second the device will enter the peak value measurement mode 3 3 Application of maximum minimum value inquiry mode Press and hold MAX MIN key for a short time MAX will appear on top LCD interface as shown in figure 3 1 3 In max min value inquiry mode press MAX MIN key once you will switch MAX to MIN or MIN to MAX Press and hold MAX MIN for one second MAX MIN on top LCD interface will disappear and the max min value inquiry mode will exit uan po Figure 3 1 3 NTips In non zero calibration mode press and hold MAX MIN
13. hnical Data We Temperature range Operation 10 50 OC max 80 HR Non Condensed Storage 10 50 OC max 80 HR Non Condensed removing batteries Sampling rate gt 2 times s Display 372 digits max reading of 1999 with analog bar display Sensor silicon photoelectric diode Measured spectral range 320 730nm Measurement ranges 20 200 2000 20000 200000 Lux 20 200 2000 20000 FC Operating environment indoor use Height 2000m highest Battery life Approx 200 hours Power supply 1x9 V IEC 6LR61 Dimensions HxWxD 190 mmx89 mmx42 5 mm Weight Approx 360 g without batteries Approx 420 g with batteries Accuracy 3 calibrated with incandescent lamps in 2854K 6 other visible light source ELMO2 Lux meter 13 Cosine angle deviation characteristics Cosine angle Deviations w fe o Tips cosine angle is corrected in accordance with JIS C 1609 1993 and CNS 5119 Grade A General Specification Luminous sensitivity characteristics Relative Sensitivity 400 500 600 700 800 900 1000 Wave Length nm B SIDE 6 Maintenance and Service bside cn 6 1 Service A Notice When the meter seemingly fails during operation following steps should be followed to check the fault problem 1 Check up batteries If ES appears on the LCD display batteries should be replaced 2 Refer to the operation instructions to check if operation steps are wrong
14. ing batteries In case of polarity reversal the light meter will be be performed by our debugging personnel It is recommended to make damaged and can even cause explosion or fire calibration every year If the meter is in frequent use or used in poor 2 Neither connects one polarity of the battery to the other one with environments the calibration interval should be accordingly shorten If wire nor throws batteries into fire or it will cause explosion the meter is less used the calibration interval may prolong to three 3 Do not attempt to discompose the battery The battery s intensively alkaline electrolyte is corrosive and endangers the user In case of Bere contact of the electrolyte with skin or clothes immediately rinse touched parts with clean water in case of contact of the electrolyte with eyes immediately rinse eyes with clean water and seek medical advice 7 Reference Table for Illumination Standard of Various A Notice 1 The light meter should be turned off before replacing batteries Locations 2 Use batteries specified in technical data only 3 If the meter is not to be used for a long time take out the batteries In Fc illuminance value can be got from Lux illumination value divided by 10 6 case the meter is polluted due to battery leak the meter should be sent by post to the manufacturer for cleaning and checking 4 For disposal of used batteries follow existing specifications on battery recycling
15. key for a short time to use the max min value inquiry functions B sIDE 3 4 Application of data hold and zero calibration mode bside cn RO Press and hold HOLD ZERO key for a short time HOLD will appear on the top left position of the LCD interface as shown in 3 1 4A then the device will enter the data hold mode Press and hold the key again HOLD on the top left position of the LCD interface will disappear and the meter will exit the data hold mode Cover the opto sensor with the visor and press and hold HOLD ZERO key for one second ADJ will appear on LCD interface as shown in figure 3 1 4B then the device will enter the zero calibration mode Several seconds later ADJ on LCD interface will disappear and zero calibration mode will automatically exit and return to auto measurement mode A Notice Before zero calibration the opto sensor must be covered with the opto sensor visor ELMO2 Lux meter 12 o HOLD 10 5 10 j NL r gh nc LUX et UU 68 US Figure 3 1 4A Figure 3 1 4B ZN tips 1 In non zero calibration mode press and hold HOLD ZERO key for a short time to enter the data hold mode 2 Zero calibration can be made in any mode 4 Other Functions 4 1 Auto power off If there is no action on keys of the ELMO2 for a long time the meter will automatically power off about 10 minutes later B SIDE bside cn 5 Tec
16. nd convenient light meter can provide you with a reference regarding illuminance The ELMO2 multi functional light meter has a friendly human machine interface and can be activated by a simple press of keys The buzzer activates upon key press to notify that it is effective This light meter is able to measure the visible light produced by fluorescent lamp metal halide lamp high voltage sodium lamp or electric incandescent lamp for a vivid and intuitive image display 1 2 Outstanding features of the ELMO2 multi function light meter Automatic and manual range switching Inquiry function for maximum and minimum values Data hold function Peak value measurement function ELMO2 Lux meter Relative value measurement function Zero calibration function 3 1 2 bit LCD display with analog bar display Fc Lux unit conversion function Outrange indication When the measured value exceeds the current range LCD will display the signal OL to indicate that the range is overreached High precision Measurement range 0 00 200000Lux Low battery indicator Touch tone and mute function Auto power off function The machine will be powered off automatically keys are not operated for more than 10 minutes Compact design durable and portable B sIDE bside cn 1 3 Name and function of components 1 3 1 Plan view Opto sensor protection cover Opto sensor LCD display screen Compound key for main power and
17. operation conditions or time It is recommended to make periodic calibration to maintain the basic accuracy Please keep original package for future mailing such as for light meter calibration 1 Introduction 1 1 Product description Whether you are a professional or amateur photographer while shooting you pay more attention to the surrounding illuminance rather than the setting because this will help you taking the best shot Although the illuminance can be estimated by the photographer there is a difference in perception between human and camera about the requirement for supplementing illuminance This difference will lead to a big contrast of the expected image effect against the actual one In face of this do you wish to possess a light meter When you intend to buy a house you require both good location and indoor brightness during the day So do you wish to possess a light meter to measure the illuminance in every corner of the house B SIDE With the progress of human civilization more and more people bside cn emphasize low carbon life Architects tend to figure out how to bring more natural light into the house while putting up a residential building However in many cases fluorescent lights will be used when the natural light is not enough In response to the slogan of energy saving and emission reduction advocated by the state we should use the fluorescent lamps based on the actual needs So a professional a
18. rement mode Press and hold max min value inquiry key for a short time MAX will appear on top position of LCD interface switching the device to the max min value inquiry mode in this mode each short press of the key causes the mode to change from MAX to MIN or from MIN to MAX press and hold the MAX MIN key for one second MAX MIN on top position of the LCD interface will disappear and the mode will exit Press and hold the data hold zero calibration key of the ELMO2 for a short time to enter the data hold mode which will be indicated by the apparition of HOLD on the top left position of the LCD interface press and hold the key for a short time once again HOLD will disappear from the top left position of the LCD interface and the device will exit the data hold mode In any mode with sensor covered press and hold data hold zero calibration key for one second ADJ will appear on the LCD interface and the device will enter the zero calibration mode several seconds later ADJ will disappear from the LCD interface and the device will exit the data hold mode and return to auto measurement mode ELMO2 Lux meter 1 The reference position of light source test is at top of sphere surface under light 2 In various measurement modes analog bar in the middle of the LCD screen will change with figures of Nixie tubes 3 When reading existing data can be locked by pressing and holding HOLD ZERO
19. short time MANU will appear on the top left position of the LCD display indicating that the manual range switching mode has been activated In this mode each time press and hold the key for a short time the meter will switch to 20 00Lux gt 200 0Lux gt 2000Lux gt 20000Lux gt 200000Lux or 20 00Fc gt 200 0 Fc gt 2000 Fc gt 20000 Fc in sequence pressing the key for one second will result in the inscription MANU disappearing from top left position of LCD display replaced by AUTO appearing in the middle to indicate that the meter has switched the manual range switching mode to the auto range switchover Press and hold the REL PEAK key of the ELMO2 for a short time REL will appear on the top left position of the LCD interface indicating the activation of the relative value measurement mode Press and hold the key for a short time again the device will exit the relative value measurement mode and return to the original measurement mode and REL on the top left position of the LCD interface will disappear pressing the key for one second will lead to the peak measurement mode PEAK and MANU B SIDE bside cn will appear on top right position of LCD display press and hold the key L tips for one second once again PEAK will disappear from the top right position of the LCD interface and AUTO will appear in the middle of LCD and the mode will return to auto measu
20. t Corrosive or High temperature explosive gas To avoid faults please DO NOT place the light meter in following i Y o E vee Mist splash a ar i E 3 e eae 5 hs electromagnetic High temperature condensation F O environment T ee Intensive Mechanical vibration ee B SIDE 3 Use bside cn AN Notice The operation temperature range for the light meter is 10 50 C 14 122 F In order to avoid damage especially falling accidents handling and use should be avoided during severe mechanical vibration The light meter can only be calibrated and repaired by professional personnel Before each use the opto sensor of light meter should be checked for damage and dust Make sure the meter is in good smooth and clean conditions If one or more functions of the light meter are irregular or not ready for operation avoid using the meter During the operation of the light meter the meter measurement value should not be at OL for long time Keep the meter out of direct sunlight to guarantee its normal operation and long term service life If the meter is subject to effect of intensive electromagnetic field its functions will be affected Only use batteries specified in technical data Batteries should avoid damp If the low battery symbol appears on the display the user should replace batteries ELMO2 Lux meter AN Tips The sensibility of the optical detector will be lessened due to
21. touch tone Power on off Short press the key to activate the machine and long press for 1 second to shut it down Touch tone on off Under working mode short press the key to turn on and off the touch tone max and min values inquiry key Lux Fc unit conversion key Compound key for data hold and zero calibration Data hold Short press the key to enter exit data hold mode ELMO2 Lux meter MANU REL MAX MIN PEAK 3 i TUL Wl ili NU aT May ELMO2 plan Zero calibration Long press for 1 second to perform zero calibration function Compound key for relative value and peak value measurement Relative value measurement Short press the key to enter exit relative value measurement mode Peak value measurement Long press for 1 second to enter exit peak value measurement mode Key for manual range switching Short press the key for 20 00Lux 200 0Lux 2000Lux 20000Lux 200000Lux or 20 00Fc 200 0Fc 2000Fc 20000Fc circulation Long press for 1 second to exit manual range switching mode 1 3 2 LCD display interface 1 Prompt for manual E D range switching Lae LD 10 15 yu cvolenzaonnapy mode p ee ln 2 Prompt for data hold mode 3 The analog bar shows the current LCD display interface B SIDE measurement value bside cn information 4 The digit shows the current measurement value
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