TAM8703 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, therefore TAM8703 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
Telecom Maintenance
CATV Maintenance
Comprehensive cable construction system
Optical instruments research and development
Optical communication education and lab testing
Other optical project
Features
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

Type	TAM8703
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