... 1550nm, 1625nm, six calibrated wavelength.Model: AMeasurement range: -70~+10dBm,calibrated wavelength:850nm,1300nm,1310nm,1490nm,1550nm,1625nmModel:B ... fast-tracking and real-time measurement of optical power when output power changes3. Wide measurement range: it can provide ... carry12. User self-calibration functionSpecifications: Measurement range dBm-70~+10 dBm-50~+26 dBmWavelength range(nm)800~ ...