Check the listing for details. Burleigh WA-7000C Wavemeter Multiple Wavelength Meter MWM. Condition: Seller refurbished. Listed at 6999.00 USD. Optoelectronics Refurbish is happy to present you with the following device: Burleigh WA-7000C Wavemeter. New HDD system installed, for long life of the instrument. Addition of keyboard port for better usability. Only 2 if the 4 input ports work, can’t figure out the issue.Works perfect in 1550nm and 1310nm wavelengths (see photos of Fabry Perot laser used as DWDM channels). Please see our other devices if you need more equipment.In case of doubt, or if needed additional assistance, please email us to google at OptoElectronicsRefurbish. Consult with us about it, check other items listed.Purchase Orders accepted and mandatory for over 2000$ orders. Payment by ACH/WIRE/CHECK. 5-10% discount for Educational institutions, Government/National labs.