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70 o Spec Compliant Light Source: Drive the light out without waste and glare Produces uniform illumination Minimal uplight or glare Light at or below 70° critical IES compliance requires uniformity Dark skies compliance Rebate approval Highest Intensity The Retrofit Goal: Meet or exceed the performance of the existing light source per IES standards Uplight & Waste Critical Photometri c Performanc e Source of Glare – gives the appearance of brightness but is wasted light 20 o Highest Intensity to Retrofit Right the First Time Fundamentals:

70 o Spec Compliant Light Source: Drive the light out without waste and glare Produces uniform illumination Minimal uplight or glare Light at or below

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Page 1: 70 o Spec Compliant Light Source: Drive the light out without waste and glare Produces uniform illumination Minimal uplight or glare Light at or below

70o

Spec Compliant Light Source:• Drive the light out without waste and glare• Produces uniform illumination • Minimal uplight or glare• Light at or below 70° critical• IES compliance requires uniformity• Dark skies compliance• Rebate approval

Highest Intensity

The Retrofit Goal:Meet or exceed the performance

of the existing light source per IES standards

Uplight & Waste

Critical Photometric Performance

Source of Glare – gives the appearance of brightness but is wasted light

20o

Highest Intensity

How to Retrofit Right the First TimeThe Fundamentals:

Page 2: 70 o Spec Compliant Light Source: Drive the light out without waste and glare Produces uniform illumination Minimal uplight or glare Light at or below

Spec Compliant LED UpgradeHow to Successfully Upgrade to LED

Emits Light360o

Emits LightHorizontally

Emits WideLight

PatternDown

Standard 100w HPS

Traditional Style Lamp9,300 Lumens Total 360o

3,617 Lumens below 70o

• Bright appearance• Good light performance• Expensive to operate• Short Life

40w LED Corn Cob Retrofit

40w LED D4 Retrofit

70o

70o

Corncob Style LED Lamp4,000 Lumens Total889 Lumens below 70o

Typically does not comply with IESTypically not Rebate Approved• Bright Appearance• 50% (est) reduction of light on the ground• Poor Light Performance• Short life

70o

D4 LED Post Top Retrofit4,000 Lumens Total3,904 Lumens below 70o

Performs to IESRebate Approved• Bright but low glare• 8% Increase of light on the ground• Good performance• 100,000 Hour life

Page 3: 70 o Spec Compliant Light Source: Drive the light out without waste and glare Produces uniform illumination Minimal uplight or glare Light at or below

Spec Compliant LED UpgradeActual Photometrics – 0.1 fc and above shaded

Emits Light360o Emits Light

Horizontally

Emits WideLight

PatternDown

Standard 100w HPS

Traditional Style LampCovers 7,398 sq ft

40w LED Corn Cob Retrofit 40w LED D4 Retrofit

70o70o

Corncob Style LED LampCovers 4,404 sq ft

70o

D4 LED Post Top RetrofitCovers 8,768 sq ft

Page 4: 70 o Spec Compliant Light Source: Drive the light out without waste and glare Produces uniform illumination Minimal uplight or glare Light at or below

Successful LED Retrofit:

Important Principals to Understand:• High Pressure Sodium is very efficient (90-120 LPW)• Most LED systems are about the same efficiency (80-120 LPW)• How can someone replace HPS with LED and get an energy savings without reducing light

levels and coverage?

Efficient light control is the only way an LED system can replace high pressure sodium without violating national ANSI/IES lighting standards

Most corn cob style products have little to no light control. MaTech uses only highly engineered optics to manage light.

Retrofit with peace of mind. Retrofit with MaTech and we’ll help you select the right product for your application.

Retrofit right the first time with MaTech Lighting Systems