Код 501581
Ручной OTDR. 1310/1550нм, 32/30дБ. USB


ST3300 designed for construction and maintenance of telecommunication and CATV networks. It can be widely used in engineering construction,maintenance test and emergency repair of all fiber optics related systems. Comparing with a regular OTDR, ST3300 is more compact in size and easier for field use.
ST3300 has handheld design, compact and lightweight, easy to carry. Event information through TFT color display and data storage capabilities. Through the USB interface, the test data can be uploaded to the PC, to facilitate the post-processing, archiving and printing.


  • Hand-held design, compact and lightweight;
  • Anti-seismic, shockproof and appropriate for field operation;
  • Unique hotkey design;
  • Starting in 3 seconds measuring immediately;
  • Narrow event blind zone, simple test of fiber patchcord;
  • Automatic and manual test function;
  • High Capacity SD card;
  • Low-power design, optical lithium battery or AA-size alkaline batteries;
  • Simple, fast, without complex training;
  • VFL (Visual Fault Location) function;
  • Multiple light outputs, FC/ST/SC exchangeable;
  • OTDR Viewer software for data analysis;
  • Light alarm function, preventing the device from being damaged by the signal light.
Optical parameters
Wavelength 1310/1550
Sensing Fiber Single mode fibers  
Dynamic Range (dB)(1) 32/30
Pulse Duration(ns) 10ns/20/50/100/200/500/1000/2000/5000/10000/20000
Dead Zone(m) (2) <3m(Reflective Event); <10m(Non-reflective Event)
Attenuation Detect Accuracy(dB/dB) ±0.05
loss Resolution(dB) 0.01
Sampling Resolution(m) 0.16-5
Distance Measure Accuracy(m) (3) ±(1m+5×10-5×distance+sampling space)
Max Measuring Distance (km) 1-120Km
Data Storage  >10000 records
Averaging Time 5s,15s,30s,1min,2min,3min
General Specifications
Dimensions(H×W×T) 210*112*67mm
Weight 1kg
Operating Temperature  0°C-50°C
Storage Temperature  -20°C-60°C
Relative Humidity 0%-95%(non-condensing)
Battery life  >8 hours
Connector    FC(ST/SC Interchangeable)/PC
Connectivity USB/SD card
Matching Function Modules
Visible Fault Locator Wavelength: 650nm; Farthest distance test:5Km
Stable light Source Module(4) Wavelength(±20):The work of OTDR with wavelength
(1)    The dynamic range is SNR =1 the maximum pulse width within averaging time of 3 minutes
(2)    Conditions for dead zone measurement: reflection strength beleow-45dB, Event Dead Zone with 10ns pulses width measurement, Attention Dead Zone 50ns pulse width measurement.
(3)    Do not include due to refraction caused by the uncertainty.
(4)   Stable source and OTDR share the same light port and OTDR work wavelength consistent.


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