Olympus BH-2 BHTU 매뉴얼 - 페이지 12
{카테고리_이름} Olympus BH-2 BHTU에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Olympus BH-2 BHTU 24 페이지. Sliding focus block
Olympus BH-2 BHTU에 대해서도 마찬가지입니다: 완전한 분해, 청소 및 재조립 (23 페이지)
AC Power Switch
The AC power switch (see Figure 11) is an Alps SDT‐7 chassis‐mount DPST rocker switch with a TV‐5 rating for UL/CSA.
This switch cannot be cleaned with control/contact cleaner since there are no openings to inject the cleaner. The
mounting holes of this switch are spaced 34mm on center.
Figure 11 – AC Power Switch Mounted to BHT/BHTU Electrical Base (100/115V Version)
Voltage Selector Switch
The voltage selector switch (see Figure 12) is a chassis‐mount DPDT slide switch rated for 4A/125VAC and 2A/250VAC.
The slide protrudes 3/8" from the mounting surface and the mounting holes are spaced 1‐1/8" on center. There are
openings on both ends of this switch through which control/contact cleaner may be sprayed while the slider is
positioned at the opposite end (with power removed from the equipment). The low‐voltage position of this switch is
rarely needed, and if a compatible replacement cannot be found, the switch could simply be bypassed in order to
hardwire the microscope to operate at its nominal operating voltage. Since only one pole on this switch is used, a SPDT
replacement could be used.
Figure 12 – Voltage Selector Switch Mounted to BHT/BHTU Electrical Base (100/115V Version)
Olympus BH‐2 (BHT/BHTU) Electronics
Revision 2
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