尖豐科技（香港）有限公司
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更新時間：2024-01-31 10:55:15瀏覽次數(shù)：125次
聯(lián)系我時，請告知來自 百分零部件網(wǎng)手持式光衰減器?HanheldVariableOpticalAttenuator1、GeneralHandheldVariableOpticalAttenuatorisusedforcontinuouslyvariableattenuationoflightsignals
手持式光衰減器?
Hanheld Variable Optical Attenuator
1、General
Handheld Variable Optical Attenuator is used for continuously variable attenuation of light signals,applicable to digital systems (PDH、SDH) of communication equipment and Analog modulation(CATV)systems,ａnd it is an essential tool for building and maintenance of optical fiber communication engineering systems.
2、Feature：
l High precision of attenuation,good repeatability;
l Small size、Light Weight、High reliability;
l Battery-powered,convenient for field operation;
l Backlight display;
3、Specification:
| Operating Wavelength | 1310/1550nm | |
| Attenuation Range | 0～50dB（exclusive insertion loss） | 0～60dB（exclusive insertion loss） |
| Accuracy | 0～20dB（≤±0.1dB） 20～50dB（≤±0.2dB） | 0～20dB（≤±0.1dB） 20～60dB（≤±0.2dB） |
| Resolution | 0.5dB | |
| Insertion Loss | ＜2.0dB | |
| Repeatability | 0.05dB | |
| Optical Connector | FC/PC | |
| Operating Temperature | -5～+60℃ | |
| Storage Temperature | -20～+70℃ | |
| Power Supply | 3pcs AA 1.5V battery(last for 240 hours) | |
| Dimension | 148*74*28（mm） | |
| Weight | 225（g） | |
4、Components
①Handheld Variable Optical Attenuator---------------------------------------1pcs
②User Manual----------------------------------------------------------------------1book
③Protect jacket -------------------------------------------------------------------1pcs
④1.5V battery ---------------------------------------------------------------3pcs
⑤Cleaning Cotton Swab-----------------------------------------------------1bag
5、Panel Board
Function Direction：
2. LCD display:LCD screen will display the operating wavelength and current attenuation.
3. Power on&off key:long press the key(about 3 seconds),turn on or off power;auto off function can be optional when it is working state.
4. λ key:press the key to choose wavelength,it will be showed on the LCD display.
5. :Increase the current attenuation.
6. :Reduce the current attenuation.
7、REF key：set the current attenuation as a reference value.
6、Usage Direction：
A. connected the patch cord with the port of input/output.
B. Press power on&off key to open the unit,LCD screen brightness.
C. Pressλkey to change the wavelength.
D. press key to change the attenuation value.
E. All kinds of working state will be displayed on the LCD.
F. Power off:long press power on&off key(about 3 seconds),no display on LCD,turned off.
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