EasyView Light Meter with Memory Model EA33
Contents
1. 150 300 Electronic Assembly Drafting 1 1 000 2 000 100 200 ce LLL emm 79400 100 Indoor Emergency Stairs 75150 79480 150 Corridor Stairs 100 200 10 20 Corridor Stairs 150 300 15 30 Entrance m qj gt 200 750 20 75 Conference 300 750 30 75 Cooking Room Dining KL SELL 1 I KE KAL SW mam we 0 1 8 8 75 150 7 15 indoors 30 75 Emergency Stairs 150200 200 15 20 Corridor Stairs 1 75 100 7 10 EM 300 20 30 Reception 100 150 10 15 Sick Room Warehouse 300 500 500 30 50 Display Stand 150 200 15 20 Waiting Room EN 750 50 75 200 750 750 20 75 Medical Exam Room 750 1 500 75 150 Show Window cs 1 500 75 150 Operating Room Packing Table 1 500 3 000 150 300 Storefront Show Window 1 5 000 10 000 500 1000 Eye Inspection Spectral Sensitivity Light Meter CIE Relative Sensitivity 96 ooo 6 coo oocococoooco c OO oos 6 8 Q sx OQ c ONTO ONO O C x TO dO HON DOO dq O M Wavelength in Nonometers 9 EA33 EU EN v2 3 08 132. EXTECH User Guide INSTRUMENTS EasyView Light Meter with Memory Model EA33 ACOMP AVG D H REF f fem 9 90 FP AT eis UU UU LU PE EE Fn fn rn et Cy V Spanley beh Or STRAY LIGHT D H m s TIME HOLD A Ne 2 8 0 0 M Y R Introduction Congratulations on your purchase of the Extech EA33 EasyView Light Meter which measures light level luminance This device measures up to 99 990 Fc and 999 990 Lux and stores up to 50 readings for easy recall Careful use of this meter will provide years of reliable service Meter Description Co OM QI ct Light measurement display Timer display res freed TIME button HOLD button Unit of measure button Fc lux Enter button Luminous Intensity cd Comparator button READ Right arrow button 9 Average reading tally display 10 Power ON OFF button 11 Set button 12 Average button 13 Relative Percent button 14 Light sensor 15 Left arrow Memory button 8 16 Up Down arrow buttons Display 1 Relative Mode 1 2 3 4 5 2 Comparator Mode ma i i i i 3 Average ACCOMP ANG ID H 512 6 4 Data Hold em cd 7 5 Relative 18 0099080 6 Candela Ne wu EN keh 9 7T 96 Relative 17 STRAY LIGHT 4 9 8 fc Ix hour
3. OOI e 3 EA33 EU EN v2 3 08 13 MODE 2 Elapsed Timer with Hold In this mode measurements are made while the countdown timer is running When the timer reaches zero the last measurement is held on the display see diagram 1 2 ngo P o 8 Press the SET key SEt 01 will display Press the down arrow key to change to the SEt 02 parameter TIME HOLD will appear on the display Press the ENTER key to call up the timer Use the up down arrow keys to set the desired seconds Press the ENTER key to program the number of minutes Use the up down arrow keys to set the minutes Press the ENTER key to start the countdown timer When the timer counts down the last reading will be held on the display Press the ENTER key to exit this mode MODE 3 Real Time Clock Setting 1 2 oar w 7 Press the SET key SEt01 will display Ic 7 o m sTIME HOLD 00 dec Press the down arrow key twice to select the SEt03 parameter ftc will appear on the lower right of the LCD Press the ENTER key to enter the edit mode for seconds Use the up down arrow key to program the seconds Repeat the previous two steps for the minutes hours and day settings Press the ENTER key when finished Use the TIME key to toggle between minutes seconds m s and day hour D H views MODE 4 Integral llluminance Mode Integral Illuminance is a luminous ener
4. Press the down arrow key four times to select the SEt05 parameter COMP appears 3 Press the ENTER key to enter the Comparator setting mode 4 Press the down arrow key to select the desired unit of measure Lux or Fc 5 Press ENTER to begin setting the measurement range 6 Use the down arrow to select the desired range 7 Press the ENTER key to begin setting the Comparator HIGH limit value The symbol will appear 8 Use the up down arrow keys to set the high limit value 9 Press the ENTER key to begin setting the Comparator LOW limit value The minus symbol will appear 10 Use the up down arrow keys to set the desired LOW limit value 11 Press ENTER to complete the Comparator setup 12 Press and hold the cd COMP key for three seconds to activate the Comparator 13 Now if a measurement exceeds the high limit the plus sign will appear If the low limit is exceeded the minus sign will appear An audible beep will sound when a limit has been reached 14 Press the ENTER key to exit the Comparator mode 99 Point Averaging Illluminance is the amount of visible light incident upon a specific surface area Since the EA33 sensor area is small the Average Mode can be used to measure the illuminance of larger surface areas to accomplish this up to 99 points can be averaged 1 Press the AVG key The AVG display icon will appear 2 Press the MEM key to store a reading up to 99 readings can be
5. averaged The display at the lower left will keep a running tally of the readings recorded 0 7 3 Press the READ key to perform the average calculation The AVG l average value will be displayed and held on the LCD e j fe 4 Pressing the MEM key at this point allows the meter to o STRAY LIGHT continuously average subsequent illuminance readings the display will only show an average value ii v 5 Use the READ button to toggle between this continuous Average 09 GY 18 display and the normal measurement display E 6 Press the ENTER key to exit 5 EA33 EU EN v2 3 08 13 Luminous Intensity Feature Luminous intensity is the measurement of light from a light source at a known distance from the sensor The unit of measure is candela cd 1 Press the cd COMP key to begin The annunciator m for meters for lux measurement or ft for feet for Fc measurement will appear 2 Use the up down arrow keys to set the distance from the light nt Source to the light sensor The distance range is 0 01 to 9 99 9B Bt meters or feet 3 The measurement must be made in a dark room or in a room with no stray light BB n99g 4 The distance between the sensor and light source must be atleast 41 m 10 times the size ofthe light source TTT 5 Press the ENTER key to perform the luminous intensity measurement The cd for candela units icon will appear along with the reading 6 Pr
6. derate temperature and humidity refer to the operating and storage range in the specifications chart earlier in this manual Battery Replacement When the battery power falls low the battery symbol will appear on the lower left hand side of the LCD Replace the six 6 1 5 AAA batteries by removing the rear center battery compartment Screw and accessing the battery compartment Observe polarity when placing the batteries in the compartment Ensure that the compartment cover is securely fastened when finished You as the end user are legally bound EU Battery ordinance to return all used batteries disposal in the household garbage is prohibited You can hand over your used batteries accumulators at collection points in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its E lifecycle Specifications Ranges Resolution Accuracy Lux 99 99 999 9 396 reading 0 5 FS 9999 99990 3 rdg 5 digits 999900 3 rdg 0 5 FS Foot candles 9 999 99 99 3 reading 0 5 FS 999 9 9999 3 rdg 5 digits 99990 3 rdg 0 5 FS Note Calibrated to a standard incandescent lamp at color temperature of 2856 K 7 EA33 EU EN v2 3 08 13 General Specifications Display Ranging Over range indication Spectral response Spectral accuracy Cosine response Measurement Repeatability Temperatur
7. e coefficient Sampling rate Photo detector Operating conditions Storage conditions Meter Dimensions Detector Dimensions Weight Sensor lead length Low battery indication Power supply Battery life Multi function LCD with a maximum display of 999900 Autoranging over five ranges LCD displays OL CIE photopic CIE human eye response curve VA function f4 S696 f 2 Cosine corrected for angular incidence of light 2 0 1 per C 5 times per second Silicon photo diode with spectral response filter Temperature 0 to 40 C 32 to 104 F Humidity lt 80 RH Temperature 10 to 50 C 14 to 140 F Humidity lt 80 RH 150 x 72 x 35mm 5 91 x 2 8 x 1 4 92 x 60 x 29mm 3 6 x 2 4 x 1 5 Approx 11 3 oz 320g with battery 150cm 5 Battery symbol appears on the LCD Six 6 AAA cells 200 hours approx Copyright 2013 FLIR Systems Inc All rights reserved including the right of reproduction in whole or in part in any form ISO 9001 Certified www extech com 8 EA33 EU EN v2 3 08 13 Appendix Typical Light Levels Lux Foot Lux Foot Candles Candles 20 75 Emergency Stairs Warehouse 1 100 150 10 15 75 150 Exit Entrance Passages 1 150 200 15 20 Recreational Activities 150 300 15 30 Packing Work 1 200 300 20 30 Drawing Room Table 300 750 30 75 Visual Work Production Line 300 500 30 50 750 1 500 75 150 Typesetting Inspection Work 1 500 1 500 50 150 Reading Study 1 500 3 000
8. ess the ENTER key again to exit Data Record Recall MEMORY CLEAR 1 Turn off the meter 2 Press and hold the MEM key while turning on the meter Release the MEM key when the display reads CLr indicating that the memory banks have been cleared erased MANUAL DATA RECORD 1 Each time the MEM key is pressed with the meter turned on a data record is recorded The display will show M and an audible tone will sound 2 The counter on the lower left of the LCD will show the number of stored readings 3 The total memory size is 50 records READING STORED RECORDS 1 Press the READ key to enter the memory recall mode The display will show R and the address number for the displayed data point 2 Use the up down arrow keys to scroll through the stored readings 3 Press the ENTER key to exit this mode of operation AUTO POWER OFF Feature To conserve battery life the EA33 automatically turns off after several minutes To defeat this feature 1 Turn the meter OFF Press and hold the HOLD key while turning the meter ON The AUTO POWER OFF feature will now be disabled Note that AUTO POWER OFF is re enabled each time the meter is turned on Also note that AUTO POWER OFF is always disabled in the Integral IIluminance mode 6 EA33 EU EN v2 3 08 13 Maintenance Cleaning and storage 1 The white plastic sensor dome should be cleaned with a damp cloth when necessary 2 Store the meter in an area with mo
9. gy measurement based on the rate of flow of flux expressed in lumen seconds The Model EA33 can also measure any photometric quantity on a time dependent basis For example the illuminance could be integrated over time to yield lux hours Ix h or foot candle hours fc h T 2 Press the SET key SEt 01 will appear on the display Press the down arrow key three times to select the SEt 04 mode int will also appear on the LCD Press the ENTER key to start the Integral llluminance measurement The meter will set the first measurement as a reference The Ix h or fc h display icon will appear and the timer will start the cycle number appears on the lower left of the LCD If measurements exceed the reference value the display will freeze and the symbol will appear Note that the timer will also halt The maximum indication of integral illuminance is 999999 When this maximum is exceeded the integration number Cycle no at lower left of LCD can be checked The maximum number of integration cycles is 99 Press the ENTER key to exit this mode of operation EA33 EU EN v2 3 08 13 MODE 5 Comparator Mode In this mode the meter compares its measurements to one HIGH and one LOW limit When the high limit is exceeded the plus sign appears on the LCD When the measurement falls below the low limit the negative sign appears on the LCD 1 Press the SET key SEt01 will appear on the display 2
10. ing modes Mode Name of mode Description SEt 01 Stray Light Cancels out stray light from light under test SEt 02 Time Hold Meter measures while timer counts down Reading is held on LCD when counter 0 SEt 03 rtC Set the day and time for internal clock SEt 04 Int Lumen seconds lux hour and fc hour measurements SEt 05 COMP Measurements are compared to high and low limits MODE 1 Stray Light Inhibit This feature allows the user to measure light from one source while automatically factoring out the light from a secondary stray unwanted E fc 1 Turn on the desired light source and face the meter s sensor towards this source the stray light source should be on also ms 2 Press the SET key SEt and STRAY LIGHT will appear at the 00 i5 4d center of the LCD and 01 will appear on the lower left of the LCD NO see diagram 3 Press the ENTER key The measurement at this point consists of the primary AND the stray light sources LIGHT STRAY Press ENTER to store this value STRAY will appear on the display Turn off the primary light source Press the ENTER key again to store only the stray light source The meter will now compute and display the light level for only the desired primary light source LIGHT and DH Data Hold will also appear on the display 8 Press the ENTER key to exit this mode source LIC ILIL N
11. s Integral IIluminance 6 KI D H m s TIME HOLD 4 1 O 9 Stray light measurement 152 99 ggg 10 Time Hold measurement NO mf 11 11 ft m luminance intensity distance 14 4707 L 12 Day Hour minute seconds 13 12 13 Memory Read 14 Memory location 15 Average Reading tally display 16 Integration cycles 17 Low battery 18 Elapsed time indicator 2 EA33 EU EN v2 3 08 13 Basic Operation 1 With the sensor cover in place press the button to turn the meter on The meter will perform a short self test 2 Remove the sensor s protective cap and place the sensor in the area to be measured 3 Press the lux fc button to select the desired units of measure 4 Read the light level on the display If the measurement is out of range an OL indication will appear 5 When the meter is turned on the elapsed timer starts The elapsed timer shows days hours or minutes seconds Use the TIME button to toggle the view between minutes seconds M S and days hours D H Operation Modes In addition to the normal mode of operation where light level is measured there are 5 special modes listed below Each mode is explained in the subsequent sections of this manual The SET button is used to access the modes The number on the lower left of the LCD after the SET button is pressed represents the mode currently selected Use the down arrow key to scroll to the desired mode Programm
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