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Signal Generator
RF Signal Generators TW4100
Synthesized Signal Generator TW4200
Function Generator TW4300
Vector Signal Generator TW4400
Spectrum Analyzer
Spectrum Analyzer TW4900
Spectrum Analyzer TW4930
Portable Spectrum Analyzer TW4950
Vector Network Analyzer
Vector Network Analyzer TW4600
Vector Network Analyzer TW4650
Power Measurement
USB Power Sensor TW2040
Microwave Power Meter TW2400
Fiber Laser
Single Frequency Fiber Laser
1.0µm Single Frequency Fiber Laser
1.5µm Single Frequency Fiber Laser
CW Fiber Laser
1.0µm Single Mode CW Fiber Laser
1.5µm Single Mode CW Fiber Laser
Pulse Fiber Laser
1064nm Short Pulse Fiber Laser for LiDAR
1550nm Short Pulse Fiber Laser for LiDAR
Fiber Amplifier
Fiber Amplifier
1.0μm Fiber Amplifier
1.0μm High Power Pulse Fiber Amplifier
1.0μm High Power Single Frequency Polarization Maintaining Fiber
1.5μm Fiber Amplifier
1.5µmHigh Power Pulse Fiber Amplifier
1550nm Long Pulse Single Frequency PM Fiber Amplifier
C-Band Preliminary EDFA
C-Band Booster EDFA
C-Band High Power Optical Fiber Amplifier
C-Band PM Optical Fiber Amplifier
L-Band Optical Fiber Amplifier
Raman Fiber Amplifier
Laser Source
Laser Source
1064nm Pulsed Laser Source Module
Single Mode Diode Laser Source
High Stability Diodes Laser Source
ASE Broadband Light Source
1.0µm ASE Broadband Light Source
2.0µm ASE Broadband Light Source
C+L Band ASE Broadband Light Source
C Band ASE Broadband Light Source
L Band High Stability ASE Light Source
SLD Broadband Light Source
SLD Broadband Light Source 2
Pump Diode Laser Source
980nm High Stability Single-mode Pump Laser Source
975nm High Stability Single-mode Pump Laser Source
Pulsed Laser Source Module
Pump and Signal Combiner
PM(1+1)×1 Pump and Signal Combiner
PM(2+1)×1 Pump and Signal Combiner
3×1(4×1) Pump and Signal Combiner
(6+1) ×1 Pump and Signal Combiner
7 ×1 Pump and Signal Combiner
Active(2+1)×1 Pump and Signal Combiner
Fusion Splicer
Fusion Splicer TCW-605
Fusion Splicer TCW-605C
Fusion Splicer TCW-605S
Fiber Cleaver FC-306
Fiber Cleaver TC-306
Fiber Testing Instrument
OTDR TW3100
OTDR AQ7275
Power Meter TW3208
Laser Sourcer TW3109
Cable Fault Locator TW3304N
Optical Fiber Identifier TW3306A
Visual Fault Locator TW3105P
Optical Fiber Talk Set TW4103
PON Power Meter TW3212B
Optical Variable Attenuator TW3303
OpticalToolKitTC-403
Optical Tool Kit TC-408
Cable and Antenna Analyzer
Cable and Antenna Analyzer TW3300
Cables
Fiber Cable
ADSS
OPGW
Fiber Coupler
PLC Splitter
Patch Cord
Fast Connector
Splice on Connector
Coaxial Cable
Trunk Cable
Feeder Cable
Power Cable
Thermal Stripper
Thermal Stripper
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SOLUTIONS
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Signal Generator
Spectrum Analyzer
Vector Network Analyzer
Power Measurement
Fiber Laser
Fiber Amplifier
Laser Source
Pump and Signal Combiner
Installation Solution
Fusion Splicer
Fiber Testing Instrument
Cable and Antenna Analyzer
Cables
Thermal Stripper
SUPPORT
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Optical Variable Attenuator TW3303
Fiber Testing Instrument
Optical Variable Attenuator TW3303
Optical Variable Attenuator TW3303
handhold optical variable attenuator is used for continuously variable optical signal attenuation. As the attenuator is used in the laser system for the on-line testing, there, thereforeTW3303 can be used in the digital system of communication devices (such as: PHD, SDH) and also in the system of adopting analog modulation (CATV)
Application
Features
Telecom Maintenance
CATV Maintenance
Comprehensive cable construction system
Optical instruments research and development
Optical communication education and lab testing
Other optical project
stepwise attenuating by circumgyrated dial: attenuating step 0.05dB
Provide with the function of displaying dB and dBm attenuating value
Alternative function of 10 minutes Auto-off without operation
After off the instruments, the system will have the memorizing of the attenuating value and the attenuating step, in order to restore the system back to the previous shut down state when open the instruments next time
Specification
Type
TW3303
Attenuating wavelength Range
1260~1650nm
Fiber Model
9/125um SM
Optical Connector
FC/PC
Calibrated wavelengths
1310/1490/1550/1625
Measurement Range
2.5~60dB
Resolution
0.05dB
Minimize Insertion Loss
<2.5dB
Linearity
±0.5dB
Repeating
±0.2dB
Attenuating Accuracy
±0.8dB
Back Reflection
>35dB(typical value40dB)
Max input
+20dBm
Displaying type
lattice 128*64 black and white, white back ground light
Rechargeable batteries
7.4V
Power supply adaptor
7~8.5V
Operation temperature
0~40℃
Storage temperature
-10~60℃
humidity
0~85%(non- condensation)
Weight
450g
Standard Packages
MODEL
INCLUDES
TW3303
TW3303 Optical Variable Attenuator, Protective Rubber Boot, Rechargeable battery, Power Supply Adaptor, Instruction Manual and Cotton Tampon. Rigid Carry Case can be optional
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Signal Generator
RF Signal Generators TW4100
Synthesized Signal Generator TW4200
Function Generator TW4300
Vector Signal Generator TW4400
Spectrum Analyzer
Spectrum Analyzer TW4900
Spectrum Analyzer TW4930
Portable Spectrum Analyzer TW4950
Vector Network Analyzer
Vector Network Analyzer TW4600
Vector Network Analyzer TW4650
Power Measurement
USB Power Sensor TW2040
Microwave Power Meter TW2400
Fiber Laser
Single Frequency Fiber Laser
1.0μm Single Frequency Fiber Laser
1.5μm Single Frequency Fiber Laser
CW Fiber Laser
1.0μm Single Mode CW Fiber Laser
1.5μm Single Mode CW Fiber Laser
Pulse Fiber Laser
1064nm Short Pulse Fiber Laser for LiDAR
1550nm Short Pulse Fiber Laser for LiDAR
Fiber Amplifier
1.0μm Fiber Amplifier
1.0μm High Power Pulse Fiber Amplifier
1.0μm High Power Single Frequency Polarization Maintaining Fiber
1.5μm Fiber Amplifier
1.5μ High Power Pulse Fiber Amplifier
1550nm Long Pulse Single Frequency PM Fiber Amplifier
C-Band Preliminary EDFA
C-Band Booster EDFA
C-Band High Power Optical Fiber Amplifier
C-Band PM Optical Fiber Amplifier
L-Band Optical Fiber Amplifier
Raman Fiber Amplifier
Laser Source
1064nm Pulsed Laser Source Module
Single Mode Diode Laser Source
High Stability Diodes Laser Source
ASE Broadband Light Source
1.0μm ASE Broadband Light Source
2.0μm ASE Broadband Light Source
C+L Band ASE Broadband Light Source
C Band ASE Broadband Light Source
L Band High Stability ASE Light Source
SLD Broadband Light Source
SLD Broadband Light Source 2
Pump Diode Laser Source
980nm High Stability Single-mode Pump Laser Source
975nm High Stability Single-mode Pump Laser Source
Pulsed Laser Source Module
Pump and Signal Combiner
PM(1+1)×1 Pump and Signal Combiner
PM(2+1)×1 Pump and Signal Combiner
3×1(4×1) Pump and Signal Combiner
(6+1)×1 Pump and Signal Combiner
7 ×1 Pump and Signal Combiner
Active(2+1)×1 Pump and Signal Combiner
Cable and Antenna Analyzer
Cable and Antenna Analyzer TW3300
Fusion Splicer
Fusion Splicer TCW-605
Fusion Splicer TCW-605C
Fusion Splicer TCW-605S
Fiber Cleaver FC-306
Fiber Cleaver TC-306
Fiber Testing Instrument
OTDR TW3100
OTDR AQ7275
Power Meter TW3208
Cable Fault Locator TW3304N
Optical Fiber Identifier TW3306A
Visual Fault Locator TW3105P
Optical Fiber Talk Set TW4103
PON Power Meter TW3212B
Optical Variable Attenuator TW3303
OpticalToolKitTC-403
Optical Tool Kit TC-408
Laser Sourcer TW3109
Cables
Fiber Cable
ADSS
OPGW
Fiber Coupler
PLC Splitter
Patch Cord
Fast Connector
Splice on Connector
Coaxial Cable
Trunk Cable
Feeder Cable
Power Cable
Thermal Stripper
Thermal Stripper
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