Light Meter
Todays deals on Light Meter?
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MAIHAK MLA 900 CONDUCTIVITY METER FOR LIGHT PETROLEUM PRODUCTS $3,999.00 |
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Konica Minolta LS-110 Light Meter $3,895.00 |
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Deluxe Optical Power Meter with Memory and Light Source $2,975.00 |
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Extech 401036 Light Meter/Datalogger with PC Interface $2,229.99 |
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PROFESSIONAL LIGHT METER FOR LANDSCAPE ARCHITECTS $1,995.00 |
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Fiber optic Exfo Light source ELS-100 and Exfo power meter FPM-300 $1,400.00 |
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Exfo FLS210A Light Source & Exfo FOT90A Power Meter $1,000.00 |
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Power Meter & Light Source test kit 850/1300n .01db $855.00 |
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UVA 365 UV Light Meter LUTRON NEW RS232 3 Ranges UVA365 $797.00 |
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Sper Scientific 850010C, Certified UVC Light Meter $798.00 |
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illumination UVA 320~390nm Solar BTU Power light FC Lux Meter Datalogger 3-in-1 $799.00 |
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GENERAL UV254SD – UVA UVC DATA LOGGING LIGHT METER $789.99 |
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UVA 365 UV Light Meter LUTRON NEW RS232 3 Ranges UVA365 $749.18 |
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illumination UVA Solar Power light Meter Datalog 3in1 $751.06 |
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UVA 365 UV Light Meter LUTRON NEW RS232 3 Ranges UVA365 $711.72 |
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Testo 0560 0545, 545 Light Meter / Logger $714.00 |
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UVC 254 UV Light Meter LUTRON NEW RS232 3 Ranges UVC254 $683.00 |
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Sper Scientific 850010, UVC Light Meter $658.00 |
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SOLAR Light Co. Ultraviolet Meter Model 3D with Case $663.99 |
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UVC 254 UV Light Meter LUTRON NEW RS232 3 Ranges UVC254 $642.02 |
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RCA P.T. DIVISION L2731CX2 Light/Lux Intensity Meter $500.00 |
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UVC 254 UV Light Meter LUTRON NEW RS232 3 Ranges UVC254 $609.92 |
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TES-133 Digital Light Meter Luminous 0.05 – 7000 lumens $559.99 |
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TES-133 Digital Light Meter Luminous 0.05 – 7000 lumens $559.99 |
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3M Professional Optical Multi Meter 1310 1550 nm Laser Light Source FTM 130 $559.99 |
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Fluke 789 Process Meter HART Multimeter with Test Leads Lightly Used $489.95 |
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Used 3M FTM-130 Optical LOSS Tester Power Meter 1310 1550 nm Laser Light Source $499.99 |
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Intelco Optical Power Meter and Dual LED Light Set $475.00 |
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Digital Light Meter Luminous Flux Meter Tester(TES-133) $456.80 |
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Digital Light Meter Luminous Flux Meter Tester(TES-133) $416.80 |
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EXTECH MICROMETER OPTICAL POWER METER LE220ST & MULTI MODE LIGHT SOURCE, M0500 $425.00 |
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JW3204B Optical Multimeter Light Source Power Meter $429.99 |
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JW3204B Optical Multimeter Light Source Power Meter $429.99 |
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JW3204B Optical Multimeter Light Source Power Meter $429.99 |
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LCD Back Light Broken ADVANTEST TQ8210 Laser Optical Power Meter Thin Sensor $399.99 |
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GENERAL DLM203DL DATA LOGGING LIGHT METER $395.95 |
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New JW3116 Handheld Adjustable Optical Light Source Fiber Optic Tester Meter $365.00 |
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Wavetek LANTEK PRO XL Optic Power Meter And Light Source $329.95 |
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Sper Scientific 850009C, Certified UVA/B Light Meter $316.00 |
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AEMC 814 LIGHT METER $300.00 |
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Handheld Optical Multi Meter/Power Meter TLD1485/13 with Light Source 850/1310nm $288.00 |
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Handheld Optical Multi Meter/Power Meter TLD1485/13 with Light Source 850/1310nm $312.80 |
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New TES-1339R Light Meter 0.01 to 999900 Lux PC Data Record $302.00 |
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Extech EN300 Hygro-Thermo-Anemometer-Light-Sound Meter $299.99 |
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Extech SDL400 Light Meter Datalogger, Wide Range to 10,000Fc, 2 GB SD Card $299.99 |
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SDL400 Extech Light Meter/Datalogger Records data on an SD card in Excel format $299.99 |
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FIS OV-PM Optical Power Meter and OV-LS Light Source $299.99 |
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Sper Scientific 840010C, Certified Pocket Light Meter $288.00 |
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Extech SDL400, Light Meter/Datalogger $297.00 |
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GENERAL DLM112SD – LIGHT METER WITH EXCELSD CARD $295.95 |
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Extech EN300, Hydro-Thermo-Anemometer-Light-Sound Meter $295.00 |
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3 In 1 LUX Light Sound dB Temperature Anemometer Meter $285.00 |
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Handheld Optical Multi Meter/Power Meter TLD1413/15 w/ Light Source 1310/1550nm $258.00 |
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Handheld Optical Multi Meter/Power Meter TLD1413/15 w/ Light Source 1310/1550nm $282.80 |
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Brand New Fluke 941 Light Meter Illuminance Tester EMH014 $233.21 |
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Extech EA33 EasyView™ Light Meter with Memory $269.99 |
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Liquid Light Guide ( 3mm core ) 1 Meter for EFOS/EXFO/X-Cite UV light source $219.00 |
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3 In 1 LUX Light Sound dB Temperature Anemometer Meter $267.90 |
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3 In 1 LUX Light Sound dB Temperature Anemometer Meter $267.90 |
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New Fluke 941 Light Meter Illuminance Tester $263.00 |
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New Fluke 941 Light Meter Illuminance Tester $263.00 |
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Extech HD450 Datalogging Heavy Duty Light Meter $259.99 |
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Extech EA33 LIGHT METER WITH MEMORY EASYVIEW $242.99 |
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Greenlee 93-172 Digital Light Meter $236.62 |
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Extech HD450 Heavy Duty Datalogging Light Meter $233.99 |
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TES1339 Digital Light Meter Luminous Light Flux Meter $219.99 |
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SM208 Screen Brightness Light Meter TV X-rays Tester $199.00 |
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SUNX Light Meter LX-101 (LX101) NIB! $216.00 |
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NEW TR-LXT1A4 Lux Light Transmitter Sensor LUTRON Meter/Tester 0-50,000Lux $215.00 |
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NEW TR-LXT1A4 Lux Light Transmitter Sensor LUTRON Meter/Tester 0-50,000Lux $195.00 |
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Greenlee #93-172 Digital Light Meter $202.49 |
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Extech HD400 Heavy Duty Light Meter $209.99 |
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Extech HD400 – Heavy Duty Light Meter- Authorized Distributor $209.99 |
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WTM-1000 Digital Light Transmittance Window Tint Meter $199.00 |
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Liquid light guide for A4000 E3000 N2001 1-1(3 mm)/1meter $188.00 |
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TES 1335 LCD Digital Light Meter NEW TES1335 $192.00 |
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Extech Light Meter Model# 40726 $199.99 |
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New Digital Luxmeter/Light Meter PRO TES-1339 Tester $205.00 |
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UV 340A UV Light Meter LUTRON NEW UVA / UVB UV-340A $182.00 |
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Sper Scientific 840022C, Certified Advanced Light Meter $191.60 |
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Digital Light Lux FC Meter with Datalogger USB $174.97 |
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1919 Vintage Foot Candle Light Meter No.1708 GE foot candles camera testing old $200.00 |
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TES 1335 LCD Digital Light Meter NEW TES1335 $180.48 |
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UV 340A UV Light Meter LUTRON NEW UVA / UVB UV-340A $171.08 |
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Extech 407026 Heavy Duty Light Meter with PC Interface $189.99 |
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Extech 45170 Hygro-Thermo-Anemometer-Light Meter $189.99 |
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Datalogging Lux Light Meter with Software and USB cable Interface $169.00 |
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Extech HD400 Heavy Duty Light Meter $188.99 |
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TES 1335 LCD Digital Light Meter NEW TES1335 $171.46 |
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Lot 2 Newport 77568 Liquid Light Guide Cable 340nm-800nm 5mm Dia 1-Meter 39″ NEW $169.00 |
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New TES 1335 LCD Digital Light Meter TES1335 $185.00 |
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Universal Enterprise Digital Light Meter DLM2 $174.99 |
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UV 340A UV Light Meter LUTRON NEW UVA / UVB UV-340A $162.53 |
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Extech EA30 EasyView™ Wide Range Light Meter $179.99 |
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Testo 540 Pocket Digital Pro Light Tester Logger Handy Lux Meter 0 to 99,999 Lux $155.00 |
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Extech 45170 Hygro-Thermo-Anemometer-Light Meter $170.99 |
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Extech 407026 Light Meter, FC/LUX Heavy Duty w/ Holster $170.99 |
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LT300 Extech Light Meter digital and analog display new $159.99 |
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Line Seiki Light Meter EL-1000 EL1000 0-19990LUX CE NIB $165.99 |
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Testo 540 Pocket Digital Pro Light Tester Logger Handy Lux Meter 0 to 99,999 Lux $164.90 |
Light Meter Questions
Light Timers are a Helpful Tool
Soilless gardening is nothing new, and in fact dates back several thousand years; however, today’s indoor gardening supplies are definitely high tech. Growing indoors is not “rocket science,” but it’s definitely science. Although you are growing plants inside in a soilless medium such as rockwool or even gravel, your objective is to duplicate the natural conditions under which your plants evolved. Monitoring these conditions and maintaining control over them requires that you keep and maintain numerous kinds of meters and controls among your indoor garden supplies.
Acidity or Alkalinity?
Depending on the plants your growing indoors, your medium needs to have a careful pH balance between acidity (low pH) and alkalinity (high pH). If you are using a highly alkaline medium such as rockwool (the most common choice), you need to amend it with an acidic substance. You’ll then need to carefully monitor the pH balance; pH meters are the best way to make sure that your plants are growing in the best possible environment.
CO2 Enrichment
Recall from your high school science courses that plants “breathe” carbon dioxide and “exhale” oxygen. This is an aspect of plant growing indoors that often gets overlooked. Your indoor gardening supplies should definitely include a CO2 generator. Why? For the same reason that you don’t want to breathe in a tightly sealed space. Just as you would quickly use up the oxygen in such an environment, so too do plants use up the CO2 in the enclosed spaces in which hydroponic gardens are maintained. Adding increased amounts of CO2 with a CO2 generator can also speed up the process of photosynthesis, thus maximizing plant growth.
The most money you’ll invest in indoor gardening supplies will most likely be for lighting. Much information about types of bulbs and reflector hoods is available elsewhere; once you have installed a lighting system however, you will need to do everything possible to make certain that it approximates natural sun conditions as closely as possible. Light timers allow you to control the length of time your plants are exposed to your artificial “sun,” whereas light meters permit you to monitor elements such as brightness and wavelength. Remember that plants’ growth cycles are tied to the changing seasons, and the corresponding changes in the hours of sunlight as well as the angle at which those rays strike the earth.
Lots to Choose From
Meters and timers are the heart and soul of modern scientific growing indoors, and are the most important indoor gardening supplies you can own after a good lighting system. For this reason, it makes sense to buy the highest quality devices your budget permits; these are indoor gardening supplies that you don’t want to skimp on.
About the Author
Anne Harvester has a great deal of experience with indoor gardening. Hydroponic gardening is the way of the future. Known to some as “soil less gardening”, hydroponics are proven to grow plants 20-30% faster than their soil grown counterparts.
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