Product Features: 
 Backlit LCD display 
 High-precision attenuation 
 High attenuation range 
 Applications 
 Industrial and laboratory testing 
 Optical communication measurement and experimental 
 Maintenance and testing of optical network 
 Parameters VOA 
 Wavelength of 1310/1550 nm 
 Attenuation range of-60dB insertion loss (excluding) 
 Accuracy 0dB ~ 20dB (<+ /-0.1dB) 20dB ~ 60dB (0.2dB) 
 Resolution of 0.01dB 
 Insertion loss <2.0dB 
 Attenuation repeat 0.05dB 
 Optical connector FC, ST, SC 
 Display 4 bit the LCD 
 Power AC85-264V, 56/60Hz 
 Electronic output, RS232, USB or GPIB 
 Size 320 * 220 * 90 mm 
 Storage Humidity <85% RH 
 Operating Temperature C -10 to +60 C 
 Storage Temperature C -20 to +70 C