Keysight (formerly Agilent T&M) 81542MM LED Source Module

This product was manufactured by Keysight or Hewlett-Packard many years ago. We provide this page to assist you in using or replacing your product.

If this product’s status is “Discontinued”: This product is no longer sold by Keysight, but is still fully supported. You can receive free enhanced self-support via the Keysight website or (if you have a valid support agreement with Keysight) by calling or emailing the Keysight Contact Center. Repair and calibration agreements and per-incident services are available from Keysight Service Centers. You can reach Keysight by using the “Contact Us” link at the top right of this page.

If this product’s status is “Obsolete”: You can receive free self support via the Keysight website only; technical support is not available through other Keysight support channels. Calibration may still be available from an Keysight Service Center if no repair or parts are needed.