23
Item
Specification
7. Condenser Type U-AC2 U-SC3 U-AAC
Abbe Swing-out Achromat/ Aplanat
N.A.
1.10 0.9 - 0.1 1.40
Aperture iris dia-
phragm
With numerical aperture scale
Objective range 4X (for FN 22 widefield),
10X - 100X
(for FN 26.5 super
widefield)
1.25X (for FN 22
widefield),
2X - 100X (for FN 26.5
super widefield)
10X - 100X (for FN 26.5
super widefield)
8. Operating environment
· Indoor use.
· Altitude: Max. 2000 meters
· Ambient temperature: 5° to 40°C (41° to 104° F)
· Maximum relative humidity: 80% for temperatures up to 31°C (88°F), decreasing linearly
through 70% at 34°C (93°F), 60% at 37°C (99°F), to 50% relative humidity at 40°C (104°F).
· Supply voltage fluctuations; Not to exceed ±10% of the normal voltage.
· Pollution degree: 2 (in accordance with IEC60664)
· Installation/Overvoltage category: II (in accordance with IEC60664)
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