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BS PD CEN ISO/TR 20659‑2:2024
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IES LM-48-20
IES LM-48-20Approved Method: Testing the Calibration of Locking-Type Photoelectric Control Devices Used in Outdoor Applicationsstandard by Illuminating Engineering Society, 03/19/2020
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IES RP-10-20Recommended Practice: Lighting Common Applicationsstandard by Illuminating Engineering Society, 04/21/2020
$30.00 $50.00 -40%Reduced price!In stockIES LM-41-20
IES LM-41-20Approved Method: Photometric Testing of Indoor Fluorescent Luminairesstandard by Illuminating Engineering Society, 03/19/2020
$30.00 $50.00 -40%Reduced price!In stockIES TM-31-20
IES TM-31-20Technical Memorandum: Measurement Uncertainty for Lighting Equipment Calibration Using Integrating Spheresstandard by Illuminating Engineering Society, 02/25/2020
$30.00 $50.00 -40%Reduced price!In stockIES LS-4-20
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$30.00 $50.00 -40%Reduced price!In stockIES TM-26-20
IES TM-26-20Technical Memorandum: Projecting Catastrophic Failure of LED Packagesstandard by Illuminating Engineering Society, 04/23/2020
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IES TM-28-20Technical Memorandum: Projecting Long-Term Luminous Flux Maintenance of LED Lamps and Luminairesstandard by Illuminating Engineering Society, 2020
$30.00 $50.00 -40%Reduced price!In stockIES LS-8-20
IES LS-8-20Lighting Science: Vision - Perceptions and Performancestandard by Illuminating Engineering Society, 04/21/2020
$30.00 $50.00 -40%Reduced price!In stockIES LS-6-20
IES LS-6-20Lighting Science: Calculation of Light and Its Effectsstandard by Illuminating Engineering Society, 04/21/2020
$30.00 $50.00 -40%Reduced price!In stockIES RP-31-20
IES RP-31-20Recommended Practice: Economic Analysis of Lightingstandard by Illuminating Engineering Society, 04/21/2020
$30.00 $50.00 -40%Reduced price!In stockIES LM-66-20
IES LM-66-20Approved Method: Electrical and Photometric Measurements of Single-Based Fluorescent Lampstandard by Illuminating Engineering Society, 03/23/2020
$30.00 $50.00 -40%Reduced price!In stockIES LM-9-20
IES LM-9-20Approved Method: Electrical and Photometric Measurement of Fluorescent Lampsstandard by Illuminating Engineering Society, 02/07/2020
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