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M-430 Optical Fiber Identifier can quickly identify the direction of transmitted fiber and display the relative core power without any damages to the bended fiber. When the traffice is present,the intermittently audible tone is activated.
The M-430 optical fiber identifier alsor recogize the modnulation like,270Hz,1kHz and 2kHz .When they are used to detect the frequency, the continuously audible tone is activated.There are four adapter heads available: Ø0.25, Ø0.9, Ø2.0 and Ø3.0. The M-430 optical fiber identifier is powered by a 9V alkaline battery .

Features 
Easy-to-use with “ONE KEY” operation 
Efficiently identifies the traffic direction and frequency tone (270Hz, 1KHz, 2KHz) with audible warning 
Displays the relative core power 
More accurate test with Sunshade 
Easy-to-replace adaptors 
Durable metal housing and quality construction 
Lower power indication

Specifications
Type M-430
Identified Wavelength Range 800-1700 nm
Identified Signal Type CW, 270Hz±5%, 1kHz±5%, 2kHz±5%
Detector Type Ø1mm InGaAs 2pcs
Adapter Type Ø0.25 (Applicable for Bare Fiber)
Ø0.9 (Applicable for Ø0.9 Cable )
Ø2.0 (Applicable for Ø2.0 Cable )
Ø3.0 (Applicable for Ø3.0 Cable )
Signal Direction Left & Right LED
Singe Direction Test Range
(dBm, CW/0.9mm bare fiber) -46~10(1310nm)
-50~10(1550nm)
Signal Power Test Range
(dBm, CW/0.9mm bare fiber) -50~+10
Signal Frequency Display (Hz) 270, 1k, 2k
Frequency Test Range
(dBm, Average Value) Ø0.9, Ø2.0, Ø3.0 -30~0 (270Hz,1KHz)
-25~0 (2KHz)

Ø0.25 -25~0 (1KHz,2KHz)
-20~0 (2KHz)
Insertion Loss(dB, Typical Value) 0.8 (1310nm)
2.5 (1550nm)
Alkaline Battry(V) 9
Operating Temperature(℃) -10－+60
Storage Temperature(℃) -25－+70
Dimension (mm) 196*30.5*27
Weight (g) 200