Fluke E1M, User Manual

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Technical Data
Optical Specifications
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2.2 Optical Specifications
Optical Resolution D:S
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E1ML 160:1 (90% energy)
E1MH 300:1 (90% energy)
E1RL 100:1 (95% energy)
E1RH 150:1 (95% energy)
E2ML 160:1 (90% energy)
E2MM 160:1 (90% energy)
E2MH 300:1 (90% energy)
E2RL 75:1 (90% energy)
E3ML 100:1 (90% energy)
E3MH 300:1 (90% energy)
Variable Focus
F0 190 to 300 mm (7.5 to 12 in)
F1 300 to 600 mm (12 to 24 in)
F2 600 to infinity (24 in to
∞)
Smallest Measurement Spot
E1ML F0 @ 190 mm (7.5 in) 1.2 mm (0.05 in)
F1 @ 300 mm (12 in) 1.9 mm (0.07 in)
F2 @ 600 mm (24 in) 3.7 mm (0.15 in)
E1MH F0 @ 190 mm (7.5 in) 0.6 mm (0.02 in)
F1 @ 300 mm (12 in) 1.0 mm (0.04 in)
F2 @ 600 mm (24 in) 2.0 mm (0.08 in)
E1RL F0 @ 190 mm (7.5 in) 1.9 mm (0.07 in)
F1 @ 300 mm (12 in) 3 mm (0.12 in)
F2 @ 600 mm (24 in) 6 mm (0.24 in)
E1RH F0 @ 190 mm (7.5 in) 1.3 mm (0.05 in)
F1 @ 300 mm (12 in) 2.0 mm (0.08 in)
F2 @ 600 mm (24 in) 4.0 mm (0.16 in)
E2ML F0 @ 190 mm (7.5 in) 1.2 mm (0.05 in)
F1 @ 300 mm (12 in) 1.9 mm (0.07 in)
F2 @ 600 mm (24 in) 3.7 mm (0.15 in)
E2MM F0 @ 190 mm (7.5 in) 1.2 mm (0.05 in)
F1 @ 300 mm (12 in) 1.9 mm (0.07 in)
F2 @ 600 mm (24 in) 3.7 mm (0.15 in)
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specified D:S ratio at focus point only