ST820C 0.25, 0.9, 2.0, 3.0mm Fiber Adapter Optical Fiber Identifier

Product Details

ST820C Optical Fiber Identifier

Indicate the signal direction in fiber;

Easy-to-use with “ONE KEY” operation

Adapter  for 0.25, 0.9, 2.0, 3.0mm fiber,

Detect  tones 270Hz, 1kHz and 2kHz;
Durable  metal housing and quality construction

Battery  low indication;

Powered  by 1 units of 9V battery;

Main Characteristic


Wavelength Range

800 to 1700nm (SM)

Recognizable signal type*

                      CW, 2kHz, 1kHz, 270Hz ±5%

Detector Type

InGaAs 2pcs

Fiber Type

0.9, 0.25, 2.0, 3.0 mm    fiber


+10 ~ -50dBm

Accuracy *

+10dB to -30 dBm (Continuous Wave)

+10dB to -25 dBm (Modulated Signal)

Signal Display

Signal direction;    signal frequency (2kHz/1kHz/270Hz); low battery


Storage: -20 -- +60 ℃,< 90%RH  Operating: -10 -- +50℃,< 90%RH

Power Supply

9V battery

Size / Weight

200mm * 30mm * 27mm  /  About    200g

* at 20±3℃, indoor, 1550nm wavelength, 0.9mm  fiber, with white coat, 270Hz, error < 5%,
* 0.25, 2.0, 3.0mm fiber, the performance at  continuous wave will be lower
* 1KHz, 2KHz, the performance at modulated  signal will be lower
* at 1310nm wavelength, the performance will  be lower



User&rsquo;s manual


0.25, 0.9, 2.0, 3.0 adapter

1 each

Calibration certification


            Carrying bag


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