optical power meter 235mm x 55mm x 320mm

{"cid":"91204674","title":"Dual Channel High Power Optical Power Meter 235mm X 55mm X 320mm Fast Start","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1a\/67\/04b1c84d7db62cd06f87687f22a6-200x200-1.jpg","attrs":{"Price":"negotiate a price","Brand Name":"YOUCii","Model Number":"U8722B","Minimum Order Quantity":"1pcs","Delivery Time":"20 work days","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10pcs+per month","Packaging Details":"Carton","Number of Channels":"2\/4\/8","Sensor Element":"InGaAs","Wavelength Range":"850 ~ 1700 nm","Calibration Wavelength":"1310\/1490\/1550\/1625","Power Range":"+25~-55dBm","Sampling period":"100us (10KHz)","Uncertainty (accuracy)":"\u00b1 4% (1200 nm ~ 1610 nm)","Relative Uncertainty (accuracy)":"\uff1c 0.02 dB Typical"}}