Whether a DWDM, PON or CWDM network, optical power meters from Challenger Optics will allow technicians to quickly identify and resolve any issues. Shorten downtime, preventative maintenance, turn-up and test, activation/provisioning. The sensor in each kit is paired with a PM400 touchscreen digital power meter console. For a full list of available kits, see Table 1. 0. Our optical power meters deliver reliable measurements from –60 to +10 dBm across 750–1700 nm, supporting a broad range of optical testing applications and high-channel-count parallel testing of PICs and CPO devices. - Next generation PON Power Meter, XGS-PON, E-PON and RFoG.