270 Hz 1 kHz 2 kHz Fiber Optic Identifier - Portable Tester with Online Audible Signal

Features:1.Simple Operation: The fiber identifier can be tested online without changing fixtures and is universal for single-mode and multi-mode fiber.
2.Multi-Frequency Identification: The fiber optic identifier can identify signal frequencies of 270 Hz, 1 kHz, and 2 kHz.
3.Beep Prompt: The portable fiber optic identifier emits a beep when identifying a frequency.
4.LED Light Display Direction: This fiber identifier can accurately identify the fiber direction, as the LED indicator can show left and right.
5.Press the power button to turn the device on or off. 2. Insert the optical fiber into the adapter slot and lower the loop. 3. When the optical signal passes through the optical fiber, the LED indicator will light up to show the direction of the light source, and the relative power will also be displayed on the screen. 4. If there is no light signal passing through the fiber, the LED will light up, and "LO" will be displayed. 5. The fiber identifier can also detect modulated audio at 2 kHz, 1 kHz, and 270 Hz. 6. Press the VFL button to turn on the red light source switch, and press the button again to toggle the flashing on and off. 7. Backlit on or off. 8. Use the DB and DBM buttons to switch between DB and DBM modes. 9. If there is no button response for 10 minutes, the device will automatically shut down. 10. Automatically disconnects the power supply to extend battery life.
Package List:1 x Fiber Optic Identifier
1 x Manual
1 x Storage Bag