Calibrating wave length

1310 upstream measurement

1490 downstream measurement

1550 downstream measurement

Spectral passband (nm) 

1260～1360

1470～1505

1535～1570

Measurement range (dBm) 

-40～+10

-40～+10

-40～+20

Isolation 1310nm (dB) 

-

>40

>40

Isolation 1490nm (dB) 

>40

-

>30

Isolation 1550nm (dB) 

>40

>40

-

Measurement accuracy

Connatural uncertainty (dB) 

±0.5

PDL  (dB) 

<±0.25

Linearity (dB) 

±0.1

Pass through insertion loss (dB) 

<1.5

General Indicators

Display

LCD:320×240

Unit

dB dBm xW

Resolution

0.01dB

Input voltage

DC 6.5V～8.5V

Rechargeable battery

7.4V

AC adapter

8.4V

Type of optical fibre

Single mode optical fibre

Working temperature

-10～60℃

Storage temperature

-25～70℃

Dimensions (mm) 

210 x 115 x 55