USER MANUAL Model 401027 Pocket Foot Candle Light Meter Introduction Congratulations on your purchase of the Extech Pocket Foot Candle Light Meter which measures and displays light intensity in foot candle units. Two ranges can be selected (200.0 and 2000 Fc). The precision color-corrected photo-diode sensor provides 5% accuracy. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) to check for the latest version of this User Guide, Product Updates, and Customer Support. Meter Description 1. Display 2. ON/OFF switch 3. A-B Range switch 4. Light sensor 1 2 3 4 Meter Operation 1. Slide the ON/OFF Switch to the ON position. 2. Fold out the meter's rear tilt stand and set the meter on a desktop. 3. Select range ‘B’. 4. Hold the Light Sensor with the white lens facing the light source to be measured. The sensor can also be placed on the desktop facing in the direction of the light source. 5. Read the light measurement on the LCD display. 6. If the measurement is less than 200 fc, select the lower ‘A’ range. Battery Replacement The low battery indicator "LO BAT" appears on the LCD display when it is nearing the time to replace the 9V battery. Reliable readings can still be obtained for several hours after the first appearance of the low battery indicator. To replace the batteries: 1. Slide the rear battery compartment cover off of the meter and remove the old battery 2. Replace the battery and reinstall the compartment cover 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 lifecycle 2 401027-EU-EN v2.2 10/13 Typical Light Levels for Work Areas Factories Office Store Home Restaurant Hospital Emergency Stairs, Warehouse Foot Candles Lux 2 to 7 20 to 75 Exit/Entrance Passages 7 to 15 75 to 150 Packing Work 15 to 30 150 to 300 Visual Work: Production Line 30 to 75 300 to 750 Typesetting:Inspection Work 75 to 150 750 to 1,500 Electronic Assembly, Drafting 150 to 300 1,500 to 3,000 Indoor Emergency Stairs 7 to 10 75 to 100 Corridor Stairs 10 to 20 100 to 200 Conference,Reception Room 20 to 75 200 to 750 Clerical Work 75 to 150 750 to 1,500 Typing, Drafting 150 to 2000 1,500 to 2,000 Indoors 7 to 15 75 to 150 Corridor/Stairs 15 to 20 150 to 200 Reception 20 to 30 200 to 300 Display Stand 30 to 50 300 to 500 Elevator 50 to 75 500 to 750 Show Window, Packing Table 75 to 150 750 to 1,500 Storefront, Show Window 150 to 300 1,500 to 3,000 Washing 10 to 15 100 to 150 Recreational Activities 15 to 20 150 to 200 Drawing Room, Table 20 to 30 200 to 300 Makeup 30 to 50 300 to 500 Reading, Study 50 to 150 500 to 1,500 Sewing 100 to 200 1,000 to 2,000 Corridor Stairs 7 to 15 75 to 150 Entrance, Wash Room 15 to 30 150 to 300 Cooking Room, Dining Table 30 to 75 300 to 750 750 to 1,500 Show Window 75 to 150 Emergency Stairs 3 to 7 30 to 75 Stairs 7 to 10 75 to 100 Sick Room, Warehouse 10 to 15 100 to 150 Waiting Room 15 to 20 150 to 200 Medical Examination Room 20 to 75 200 to 750 Operating/Emergency Room 75 to 150 750 to 1,500 Eye Inspection 500 to 1000 5,000 to 10,000 3 401027-EU-EN v2.2 10/13 Light Sensor Spectrum 1 0.8 0.6 0.4 0.2 0 300 400 500 600 700 800 Wavelength (nm) Specifications Circuit Custom LSI microprocessor based design Display 13mm (0.5") 3.5 digit (1999 count) LCD display Sensor Photo-diode with color correction filter (meets CIE regulations) Out of range indication '1 ' is displayed Sampling time Approx. 0.4 seconds Power Supply 9V battery Power consumption Approx. 2.7mA Operating temperature 0 C to 50 C (32 F to 122 F) Operating Humidity < 80% RH Weight 195g (0.43 lbs.) Dimensions Meter: 131 x 70 x 25mm (5.2 x 2.8 x 1") o o o o Probe: 82 x 55 x 7mm (3.2 x 2.2 x 0.3") Accessories Probe and 9V battery Range Specifications Range Resolution 0 to 199.9 Fc 0.1 Fc 200 to 1999 Fc 1 Fc Accuracy ± (5% + 4 digits) Full Scale Copyright © 2013 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form www.extech.com 4 401027-EU-EN v2.2 10/13