User`s Guide EasyView Digital Light Meter Model EA30
Contents
1. Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy 4 EA30 V3 0 07 10 Warranty EXTECH INSTRUMENTS CORPORATION A FLIR COMPANY warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limite2. or Foot candle units of measure Press the LUX button to select lux units and the fe button to select foot candle units MX MN Function stores recalls highest MX and lowest MN readings Press the MX MN button once to put the meter in MX mode The meter will now display only the highest reading MX is displayed on the upper left hand portion of the LCD Press MX MN again to put the meter in MN mode where the meter displays only the lowest reading MN icon is displayed Press MX MN again to have the meter continue to record the highest and lowest readings but display only the current reading both MX and MN icons appear flashing then use the MX MN button to scroll through the highest and lowest readings To exit the MX MN mode press and hold the MX MN button until the MX and MN icons completely disappear 3 EA30 V3 0 07 10 Data Hold Press the HOLD button to freeze the displayed reading The H hold icon will appear on the upper right hand side of the display Press the HOLD button again to return to normal operation the H hold icon will disappear When hold function is enabled the analog bar graph will continue to display level changes Peak Hold The Peak Hold feature allows the meter to captures light level changes that occur in as little time as 100us Press the PEAK button momentarily and the P icon will appear on the LCD The meter can now measure a fast acting light peak and display it on the LCD To exit the Peak Hold mode pr
3. Emergency Stairs 150200 1520 Corridoristar 75100 7 10 Stars 200 300 20 30 Reception 100 150 10 15 Sick Room Warehouse 300 500 30 50 Display Stand 150 200 500 750 50 75 Elevator 200 750 20 75 Medical Exam Room 750 1 500 75 150 Show Window 750 1 500 5 150 Operating Room E 7 Packing Table 1 500 3 000 150 300 Storefront Show Window 5 000 10 000 500 1000 Eye Inspection Spectral Sensitivity 0 8 D lt LRQ_ 0 0J 0 6 0 4 0VI5O0THVHOITI o 400 450 500 550 600 650 700 Wavelength nm Light Meter Response CIE Response 6 EA30 V3 0 07 10
4. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY EasyView Digital Light Meter Model EA30 Introduction Congratulations on your purchase of the Extech EasyView Digital Light Meter which measures light level illuminance This device measures up to 40 000 Fc and 400 000 Lux Careful use of this meter will provide years of reliable service Specifications Ranges and Resolution Accuracy Lux 40 00 400 0 4000 40 00k 400 0kLux 3 Rdg 0 5 FS 4 Rdg 0 5 FS if gt 10 000 lux Foot candles 40 00 400 0 4000 40 00kfc 3 Rdg 0 5 FS 4 Rdg 0 5 FS if gt 1 000 fc General Specifications Display Multi function 3 3 4 3999 digit LCD with Bargraph indicator Over range indication LCD displays OL Spectral response CIE photopic CIE human eye response curve Spectral accuracy CIE VO function f O 16 Measurement Repeatability 2 Temperature coefficient 0 1 per C Sampling rate 13 3 times per second bargraph 1 3 times per second digital display Photo detector Silicon photo diode with spectral response filter Peak hold Capture light peaks to 100uS Operating conditions Temperature 32 to 104 F 0 to 40 C Humidity 80 RH Storage conditions Temperature 14 to 140 F 10 to 50 C Humidity 8096 RH Dimensions 5 91 x 2 8 x 1 4 150 x 72 x 33mm Weight Approx 11 3 oz 3209 with battery Low battery indication BT appears
5. d to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Product Support Technical Support support extech com Calibration and Repairs repair extech com Product specifications subject to change without notice For the latest version of User Guides Software updates and other information www extech com 781 890 7440 Extech Instruments Corporation 285 Bear Hill Road Waltham MA 02451 ISO9001 Certified Copyright 2010 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 5 EA30 V3 0 07 10 Appendix Typical Light Levels A JE Candles Candles CT CCT Factories Hom 2075 2 7 __ Emergency Stairs Warehouse 100 150 10 15 Washing 75 150 7 15 Exit Entrance Passages 150 200 15 20 Recreational Activities 150 300 15 30 Packing Work 200 300 20 30 Table 300 750 300 500 30 50 Makeup 750 1 500 500 1 500 eading Study 1 500 3 000 1 000 2 000 ewing pp Office __ Restaurant 75 100 75 150 7 15 Corridor Stairs 100 200 150 300 15 30 Entrance Wash Room Conference I 300 750 Cooking Room Reception Room Dining Table 750 1 500 75 150 ClericalWork 750 1 500 Show Window 1 500 2 000 150 2000 Typing Drafting I pos Mo ile Store M 75150 7 15 Indoors 3075 37 _
6. ess the PEAK button Relative mode Measurements can be displayed as a difference between actual light level and a stored reference value To store a reading as a reference press the REL button when the desired reference measurement is on the LCD the triangle icon will appear steady in the upper left hand corner of the LCD All subsequent displayed readings will be relative to the stored reference value For example if the reference value is 100 and the actual light level is 125 the meter will display 25 To view the reference value press the REL button again so that the triangle icon begins to flash The displayed value will be the reference value To exit the Relative mode press and hold the REL button until the triangle icon disappears 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 moderate 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 BT 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 Calibration and Repair Services
7. on the LCD Power supply 6 AAA cells Battery life approx 400 hours 2 EA30 V3 0 07 10 Meter Description 1 LCD display Range button Power ON OFF button Peak hold button Lux select button 2 Photo sensor lens cover not shown Sensor input to top of meter Data HOLD button MAX MIN button fc foot candle select button RELATIVE function button SSE ONOaran 20 Note Battery compartment is located on the rear of the instrument Operation Turn Power ON or OFF 1 Press the button to turn power on or off The meter will perform a short self test when turned on Light sensor 1 The light sensor is permanently attached to the meter A coiled cable attaches the sensor to the meter 2 The white domed light sensor lens is a photo diode and resides underneath the protective cap 3 The meter automatically zeroes therefore a zero calibration is not necessary 4 The back of the sensor has a tripod mounting hole Taking light measurements 1 Remove the protective cap from the sensor and face the white domed light sensor toward the source of light to be monitored For overhead lighting the sensor can be placed on a desk or table top 2 The light being measured must encompass the entire white sensor dome 3 Read the light level on the LCD If the light measurement is out of range an OL indication will appear on the display If the OL appears select another range by pressing the RANGE button Selecting Lux
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