Wavelength：350nm - 1750 nm Resolution 0.001nm / 500nm (high resolution mode) 0.003nm / 850nm (high resolution mode) 0.01nm / 1550nm (high resolution mode) 0.05 nm / 850nm (normal resolution mode) 0.1 nm / 1550nm (normal resolution mode)

Wavelength Accuracy ±0.01 nm or less (high resolution mode) ±0.1 nm or less (normal resolution mode) Span： 0.01nm /DIV to 140nm/DIV

Input Sensitivity：-72 dBm to +10 dBm (1.2 μm to 1.6 μm) -65 dBm to +10 dBm (0.7 μm to 1.6 μm) -52 dBm to +10 dBm (0.45 μm to 1.7 μm) -42 dBm to +10 dBm (0.35 μm to 1.7 μm)

Level accuracy：±1.0dB (780nm), ± 0.7dB (1310,1550 nm)

Dynamic range：35dB or more

Repeatability including polarization dependence：±0.1dB or less at 1550nm

Level scale：0.2, 0.5, 1.0, 2.0, 5.0, 10.0 dB/DIV and linear

Measurement time：1 second or less