... . There are four adapter heads available: Ø0.25, Ø0.9, Ø2.0 and Ø3.0. The FI2000 optical fiber identifier is powered ... +5%,1kHz+5%,2kHz+5% Detector Type Ø1mm InGaAs 2pcs Adapter Type Ø0.25 (Applicable for Bare Fiber) Ø0.9 (Applicable for Ø0.9 ... Standard Packages MODEL INCLUDES SH-FI2000 SH-FI2000 Optical Fiber Identifier, 4pcs adapter heads, Sunshade, Alkaline battery, User Manual, Cotton Stick and ...