SK330X Optical Fiber Identifier

SK330X 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 traffic is present,the intermittently audible tone is activated.

The optical fiber identifier also recognize the modulation 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 optical fiber identifier is powered by a 9V alkaline battery.

Key Features

Efficiently identifies the traffic direction and frequency tone (270Hz, 1KHz, 2KHz) with audible warning

Easy-to-use with "ONE KEY" operation

Display the relative core power

More accurate test with Sunshade

Easy-to-replace adapters

Durable metal housing and quality construction

Lower power indication

Identified Wavelength

800nm – 1700nm

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

•  1310nm: -46dBm to +10dBm (CW/0.9mm bare fiber)

•  1550nm: -50dBm to +10dBm (CW/0.9mm bare fiber)

Signal Power Test Range

-50dBm to +10dBm (CW/0.9mm bare fiber)

Signal Frequency Display

270Hz, 1kHz, 2kHz

Frequency Test Range

Ø0.9, Ø2.0, Ø3.0:

•  -30dBm to 0dBm (270Hz, 1kHz)

•  -25dBm to 0dBm (2kHz)


•  -25dBm to 0dBm (270Hz, 1kHz)

•  -20dBm to 0dBm (2kHz)

Insertion Loss

•  0.8dB (1310nm)

•  2.5dB (1550nm)

Alkaline Battery



30.5 (W) × 196 (H) × 27 (D) mm



Main Machine

Module No. Item Description
SK330X Optical Fiber Identifier With four adapter heads available: Ø0.25, Ø0.9, Ø2.0 and Ø3.0 mm

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