... output wavelengthBacklight LCD display supports night operation Low battery power indicationApplicationsMaintenance in TelecomMaintenance CATVTest Lab of optical fibersOther ... (dBm)<0.5Adjustable Range≥5Stability(dB,30min,20°C)0.15Modulation(Hz)CW, 270,330,1K,2KFiber ... Operating time(h)45 without backlightOperation Temperature(°C)-10~+60Storage Temperature(°C)-25~+70Dimension(mm)190*1000*50Weight (g ...