Product Details

High quality digital variable attenuator(T-VA50 series)

Description

T-VA50 series of digital variable optical attenuator is designed by our company according to the developing optical communication and the application of the project. It’s with the small volume, light weight, low power consumption, has the competitive price and capability. This hand-held variable attenuator enables consistent operation in various testing situation, such as photoelectric device, optical passive component, optical fiber, optical cable, optical fiber communication, as well as the construction and maintenance of the fiber communication engineering.

Features

1. Providing distinct power values for 1310nm, 1490nm and 1550nm

2. Pass through measurement;

3. Simultaneously measure and display of voice, data and video signals on different PON architectures

4. Manual calibration;

Main Characteristic

Model:	T-VA50-40		T-VA50-60	T-VA50-80
Place of Origin:	Jiangsu, China (Mainland)
Wavelength:	1310&1490&1550nm
Resolution:	0.1dB (digital)
Attenuation Range:	40dB	60dB		80dB
Measurement Range	1310nm: +10 ~ - 35 dBm	1490nm: +10 ~ - 50dBm		1550nm: +25 ~ - 45 dBm
Pass Through Loss	< 1.5 dB
Accuracy *	± 0.2dB (burst signal: ± 0.5dB)
Threshold sets	10
Data Storage	100
Connector	SC/PC ( or customize )
Auto Power Off	No operation in 10 minutes (can be canceled), Low battery energy
Battery Charge	Yes
Connect To PC	Optional function
Manual Calibration	Yes
Operate Time	Above 36 hours
Temperature	Storage: -20 -- +60 ℃, < 90%RH Operating: -10 -- +50 ℃, < 90%RH
Power Supply	3 * AA batteries or AC/DC adapter
Size / Weight	190mm * 90mm *40mm / About 450g