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

Wavelength Accuracy &plun;0.01 nm or ls (high rolution mode) &plun;0.1 nm or ls (normal rolution 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：&plun;1.0dB (780nm), &plun; 0.7dB (1310,1550 nm)

Dynamic range：35dB or more

Repeatability including polarization dependence：&plun;0.1dB or ls 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 ls