Radiasun is the leading manufacturer of cable and satellite meters in the world. Radiasun delivers the most satisfying products and services to the customers all over the world, with our own brands name, and also provides OEM and ODM for the most famous brands in the field.

High performance, compact palm OTDR

RA6400R-OTDR

RA6400R - 15/16dB(40-50km) high dynamic range(1310nm/1550nm ± 20nm)
RA6400R - 30/32dB(100-110km) high dynamic range(1310nm/1550nm ± 20nm)



Instructions of buttons and display panel

(1) AUTO: auto measurement
(2) HOME: display entire curve
(3) Input English letters and numbers
(4) Switch input methods
(5) Power indicator
(6) ON/OFF: power ON/OFF the machine
(7) Measuring indicator
(8) START/STOP: start/stop measurement
(9) ENTER: confirm
(10) Direction buttons, zoom in/out and move waveform, move cursor, select event point
(11) Function buttons F0-F5
(12) CANCEL: cancel and exit
(13) FILE: file management
(14) SETUP OTDR: set the machine
(15) RESULT: testing results
(16) VFL: port of visual fault location
(17) OTDR optical-fibre input port
(18) USB data upload port
(19) External power supply input
(20) Battery cover

(1) Product name
(2) Name of current file
(3) Icon of VFL status
(4) Icon of auto power-off
(5) Input method
(6) Current mode: there are four modes, i.e.: zoom in/out, move, cursor, event list
(7) Charging or power volume indicator
(8) Date and time
(9) Distance value, loss value of cursor A
(10) Distance value, loss value of cursor B
(11) The values of distance and loss between cursors A and B
(12) Y position
(13) X position
(14) Current measurement parameters, including wave lengyh, pulse width and testing mode of light source
(15) Event display area, the distance, type, connecting loss, reflection loss of event point will appear in this area
(16) Cursor A, cursor B
(17) Event point
(18) Curve of testing result