7420B Back Reflection Test Meter

7420B Back Reflection Test Meter
7420B Back Reflection Test Meter

7420B Back Reflection Test Meter

Technique Data

  1. Wavelength (nm):               1310/1550/ 850 650      1310/1490/1550/ 850 650         850nm/1300nm

  2. Laser Type:                         F-P LED

  3. stability(dB):                        0.03 0.03

  4. Input range (dBm):            +5~-70 +5~-70

  5. Test Linear(dB):                   0.04( 3~ -50dBm )  0.3 ( -50-75dBm )  0.03 ( 3~ -50dBm )  0.3 ( -50-75dBm )

  6. Interface:                             FC/SC /LC /Universe interface FC/SC /LC / Universe interface

  7. Detect Range(dB):              075 055

  8. Test Accuracy(dB):              0.25 0.4

  9. Output interface:                  FC/APC FC/APC

  10. Control interface:                 RS232/ GPIB

  11. Power Supply:                     110VAC/220VAC 50HZ

  12. Weight (kg):                         3Kg

  13. Dimension(mm):                  265*260*120

  14. Storage temperature (℃):  -25~+70

  1. Easy to operate, single user interface

  2. high-power detection range

  3. high sensitivity low for Return loss test

  4. Build in Visible laser diode 650nm  

  5. Photodetector area 2mm,3mm