The ST820B 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.
Adapters:
There are four adapter heads available: Ø0.25, Ø0.9, Ø2.0 and Ø3.0.
Key Features:
Application:
Technical specifications:
Items
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ST820B
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Identified Wavelength Range
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800-1700 nm
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Detector Type
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Ø1mm InGaAs 2pcs
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Identified Signal Type
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CW、270Hz,1kHz、2kHz
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Detection sensitivity
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-40dBm
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Adapter Type
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H 0.9/0.25 for bare fiber; H 2.0/3.0 for pigtail
|
Insertion Loss
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H 0.25~H 0.9:0.1dB
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H 2.0~H 2.5: 0.5dB
|
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H 2.5~H3.0: 1.0 dB
|
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Signal Direction
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Left & Right LED
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Signal Intensity
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3 Levels of signal intensity
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Power Supply
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AAA 1.5V(2pcs batteries)
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Operating Temperature
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-10-+50℃
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Storage Temperature
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-20-+70℃
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Weight(g)
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210
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Dimension (mm)
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200*30*27mm
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