Olympus BH-2 BHT - Lamp House Styles and Upgrades

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OlympusBH‐2(BHT/BHTU)Electronics   Revision2    Page15of24
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Figure16‐ACInletJackMountedtoBHT/BHTUElectricalBase(100/115VVersion)
LampHouse
ThereweretwostylesoflamphouseusedontheBHT/BHTUmicroscopes(seeFigure17).TheoriginalLS20‐Hversion
suppliedbyOlympus(aspartnumber5‐LB402)did nothaveametalreflectorbehindthebulb.Laterinthelifeofthe
BHT/BHTU,Olympusupgradedthelamphouseto
theLS20H‐M2(partnumber5‐S119),whichincorporatedareflector
behindthelampinordertoprovidemoreusablelight.SincetheLS20H‐M2lamphouseisdirectlyinterchangeablewith
theearlierLS20‐Hpart,itshouldbeusedwheneverpossible.
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Figure17–OriginalLampHouse(left)and
NewerLampHousewithReflector(right)