Features:

• Lineup of 3 models [Standard, Extended and Limited]
• Long wavelength range:
        　1200 to 2400 nm [Standard, and Limited]
        　1000 to 2500 nm [Extended ]
• Gas purging ports to reduce water vapor effects
• Built-In cut filter for high order diffracted light ^*
• Double Speed Mode to further enhance fast measurement speed
• High sensitivity down to -70 dBm ^*
• High resolution to 0.05 nm ^*
• Wide close-in dynamic range (55dB) ^*
• Fast auto-calibration
• Free space optical input for maximum flexibility, low maintenance, and high reliability  
• Applicable to single-mode and multimode fibers
• Excellent performance for environmental gas sensing Laser Spectroscopy 
• Indispensable tool for R&D and manufacturing of optical devices in the wavelength range from telecom band to 2.5 μm