... , 1550nm, 1625nm, six calibrated wavelength.Model: AMeasurement range: -70~+10dBm,calibrated wavelength:850nm,1300nm,1310nm,1490nm,1550nm,1625nmModel:B ... 0.1%,Non-linearity:0.01dBmWorking temperature-10°C~+50°CStorage temperature-20°C~+70°CRelative humidity90%(+30°C),connectorMovable FC ... wide range power input work (AC 90-240)Working hours>120 hours(without backlight)Weight(g)160gDimension(mm ...