Range Wavelength 0.6 to 1.6 µm Frequency 187 to 500 THz Optical input level –25 to 0 dBm (CW) Applicable light sources LD, LED, GAS laser, etc.*1 Accuracy ±0.5 ppm*2 Resolution <0.1 pm*3 Measuring interval <1.5 s Connector FC-type*4 Modulation signal AM, >5 MHz Display Frequency 9 digits (LSD 1 MHz) Wavelength 10 digits (LSD 1 fm) Ambient temperature 0° to 40°C (Usable) 25°±5°C (Spec. meet) GP-IB Conforms to IEEE-488. I Power *Vac +10 /–15%, 50/60 Hz Dimensions and weight 426W×132.5H×451D mm, <22 kg