M. S. ENERGETICS

COMPARISON CHART OF H.I.D LAMPS

 

MERCURY VAPOUR LAMP

HI PRESSURE SODIUM LAMP

ENERGY SAVING LAMP

RATINGS + BALLAST LOSSES

125 WATTS + 45 W

250 WATTS + 45 W

400 WATTS + 60 W

70 WATTS + 35 W

150 WATTS + 45 W

250 WATTS + 50 W

35 WATTS + 2 W

55 WATTS + 2 W

90 WATTS + 3 W

LUMENS OUTPUT

5800

10000

22000

5600

12500

22000

            5400

Ø      10000

Ø      18000

LUMINOUS EFFICACY

VERY POOR

< 34 LUMENS PER WATT INCLBALLAST LOSSES

AVERAGE

53 LUMENS PER WATT INCL BALLAST LOSSES

EXCELLENT LUMENS EFFICACY

> 180 LUMENS PER WATT

ULTRA VIOLET CONTENT

VERY HIGH U/V CONTENT RESULTS IN HIGH ATTRACTION FOR INSECTS & ACCELERATED SOILING OF LUMINAIRE

PRESENCE OF SOME U/V STILL ATTRACTS INSECTS. THEREFORE LUMINAIRE GETS SOILED IN DUE COURSE

NO U/V CONTENT.

VIRTUALLY BLIND TO INSECTS, HENCE NO SOILING OF LUMINAIRE EVEN IN LONG RUN

CONTRAST & VISIBILITY

VERY POOR CONTRAST & VISIBILITY RESULTS IN POOR LIGHTING IN MISTY & FOGGY WEATHER

SOME WHAT BETTER THAT M.V. LAMP

HIGH CONTRAST VISIBILITY EVEN IN MISTY & FOGGY WEATHER

HOT RESTARTING OF LAMP

NEEDS COOLING TIME BEFORE THEY CAN BE RESTARTED BECAUSE IGNITION VOLTAGE TO BEGIN WITH WOULD BE HIGHER THAN SUPPLY VOLTAGE. DETERIORATES LAMP LIFE IF OPERATED FREQUENTLY.

SAME CONDITIONS OF M.V. APPLY

INSTANT HOT RESTART DUE TO SPECIAL BUILT IN FEATURE OF SOLID STATE BALLAST.

LUMINAIRE TEMPERATURE

HEAT GENERATION WITHIN LUMINAIRE DUE TO HIGH WATTAGE OF LAMP CAN LEAD TO THERMAL RUNAWAY & RESULTS IN DESTRUCTION OF THE LAMP, IF FIXTURES ARE SOILED OR CLOGGED

LIKE M.V. SAME REASONS APPLY

NEGLIGIBLE HEAT GENERATION RESULTS IN COOLER OPERATION OF LAMP & LUMINAIRE

WEIGHT OF FIXTURE

BULKY & HEAVY DUE TO USE OF HIGH REACTANCE TRANSFORMER, IGNITER AND P.F. CAPACITORS

SOMEWHAT BULKY

VERY LIGHT

ENERGY SAVINGS

VERY POOR

AVERAGE

EXCELLENT DUE TO VERY LOW POWER CONSUMPTION. ENERGY BILL DOWN TO 1/4TH UNDER NORMAL OPERATION AND UPTO 1/6TH TO 1/8TH UNDER ENERGY SAVING MODE OPERATION

OPERATING LIFE

APPROX 6000 HOURS

APPROX 10000 HRS

APPROX 20000 HRS

COMPATIBILITY FOR RENEWABLE ENERGY (WIND / SOLAR)

UN-ECONOMICAL

UN-ECONOMICAL

SUITABLE FOR WIND & SOLAR POWER DUE TO VERY LOW POWER CONSUMPTION

 M.S. ENERGETICS

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