Jonard Tools Power Meter LED Display Power supply indicator Light meter 1300 Amp 800 -Volt

Power Meter LED Display Power supply indicator Light meter 1300 Amp 800 -Volt. Power measurement range of -70 dBm to +6 dBm, perfect for long distance or long haul telecom, coax, and fiber optic cables. Measures a wide variety of wavelengths from 800-1650 nm, with a mere 0.01 dB resolution. Measures 6 preset calibrated wavelengths with high precision to determine absolute or relative power