... audible tone is activated. The FI2000 optical fiber identifier also recognize the modulation like,270Hz, ... adapter heads available: Ø0.25, Ø0.9, Ø2.0 and Ø3.0. The FI2000 optical fiber ... Detector Type Ø1mm InGaAs 2pcs Adapter Type Ø0.25 (Applicable for Bare Fiber) Ø0.9 (Applicable for ... MODEL INCLUDES SH-FI2000 SH-FI2000 Optical Fiber Identifier, 4pcs adapter heads, Sunshade, Alkaline battery, User Manual ...