LIGHT INTENSITY METER
Contents
1. UC parameter unit 6 Lux parameter unit Indication to the 7 L calibration mode 5 Indication low power of 5 batteries Batteries should be replaced Operation instruction 1 Please install new batteries on the meter 2 Put the meter on the environment to be measured and hold it horizontally so that the light sensor is directed upwards 3 Press the ON OFF key to turn the power on 4 After power on press the Unit key to select the needed units 5 When the reading has been stable read the illumination value If you still need more operations please see the description of keys instruction 6 Keys instruction 1 ON OFF key Press the key to turn the power ON and press the key once more to turn the power OFF 2 Func key Press the key can select the state of MIN HOLD The cycle of views shows as following figure Mode key Mode key Max mode Hold mode Hold mode Reading are held Measure mode Mode key Mode key Max mode Maximum values since the instrument was last switched on or last reset Min mode Minimum values since the instrument was last switched on or last reset Fi 3 Unit key 1 Unit set Press the key can change the parameter unit lux ftc 2 Back light contrl If press the key gt 2sec the back light will be turned on Press the key once gt 2sec the light will be turned off If the ba2. LIGHT INTENSITY METER Users Manual Introduction Thank you for purchasing the light intensity meter from us Please take a few minutes to browse through this user manual before you begin to operate the meter to ensure that you are fully familiarized with how best to operate the meter as accurately and safely as possible This meter is an illuminance measuring instrument It is normally used to measure illuminances workplaces 1 1 Precautions safety measures To get the best service from this meter please read this user s manual carefully and observe the detailed safety precautions strictly 1 1 1 During use 1 If the OL symbol will show on the LCD it means the readings is outside the measuring range Please keep to the permitted measuring range 2 Never store the product together with solvents acides or other aggressive substances 1 3 When the battery voltage is under proper operation requirement the cer will show on the LCD and the battery need to be replaced with new 1 1 2 Maintaining the product Do not measure at a high temperature high humidity places Keep the light sensor clean To guarantee correct readings Hold the instrument horizontally so that the light sensor is directed upwards When not using the instrument for a long time please remove the battery and avoid storing in high temperature and high humidity Features 1 2 3 Displa
3. ck light is not closed within 60 seconds it will be turned off automatically 3 Auto power off set When the meter is powered on it is under auto power off mode The meter will power itself off after 20 minutes if no key operation Cancelled auto power off function press Unit key when power on until the LCD display AP OFF then press the ON OFF key to confirm the setting And then the meter will be power off Reference table of illumination standard Place Illumination Office Conference Room 200 750 Living room Administration 700 1 500 Typing 1000 2 000 Factory Packaging Access 150 300 Assembly line 300 750 Check 750 1 500 Electronic components 1 500 3 000 assembly line Hotel Public places Lavatory 100 200 Reception room 200 1 000 Store Staircase corridor 150 200 Presentation window 750 1 500 Packaging station Shop window 1 500 3 000 Hospital 9 Ward Warehouse 100 200 Medical examination 300 750 room Operating room 750 1 500 Emergency Room School Hall Indoor stadium 200 750 Classroom Laboratory Library 500 1 500 Maintenance 1 CLEANING INSTRUCTIONS The meter may be wiped down with a wet sponge or cloth using a mild water based detergent or anti bacterial soap and rinsed under a gentle stream of cold water NOTE This unit is not designed for
4. complete submersion or washing in water 2 BATTERY REPLACEMENT 10 Use the following procedure When the battery voltage drop below proper operation range the i symbol will appear on the LCD display and the battery need to be replaced e Press the battery cover and towards arrowhead direction to open the battery cover e Replace the battery with three new 1 5V batteries AAA e Replace the battery cover Dx WLS2110 21
5. y 6 digits LCD Display Parameters Lux lm m2 foot candle Im ft2 Resolution 1 Lux 0 90000 Lux 0 1 ftc 0 8300 0 ftc 29 4 Range 0 90000 Lux 0 8300 0 ftc 5 Accuracy Range Accuracy Environment 0 10000lux 4 50digital 23 C 2856K 10000 90000lux Reference color temperature If test environment is not at the 2856K color temperature error will increase 4000K warm fluorescent lamp 0 10000Lux 10 200counts 6000K cold fluorescent lamp 0 10000Lux 10 200counts 6 Sample rate 1 time sec 7 Auto power off about 20 minutes 8 Low battery indicator 9 Operating environment 0 50 C 32 F 122 F 0 80 RH 10 Storage environment 20 C 60 C 4F 140F 0 80 RH 11 Dimension and Weight 121 L x60 W x30 H mm about 180g 12 Accessories DC1 5V x 3pcs String 1pcs Plastic box x 1pcs Users manual 1pcs 285 Names of parts Instrument Familiarization am 1 Sensor cover 2 Light sensor 3 LCD display 4 Function key e LCD Display Light intensity meter 4 The meaning of the symbols represented by the following table Number Symbol Functions of Order Gar Indicating it is now in 1 HOL i the data holding mode Indicating the display 2 value being the maximum value MAX Indicating the display 3 VIIN value being the minimum value MIN 4 Measure values 5
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