Source: https://tendernation.io/opportunities/01a13c34-b5ad-72fa-8c19-bc353d89630e/invitation-to-tender-for-displacement-vibrometer closed GB open procedure Suitable for SMEs # Invitation to Tender for Displacement Vibrometer [National Physical Laboratory](https://tendernation.io/buyers/national-physical-laboratory) Estimated value Not stated Published 7 Jun 2019 Deadline Closed 9 Jul 2019 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The scope of this procurement is for a complete laser interferometer system (commercially referred to as a Vibrometer). This will include a laser interferometer instrument (laser head and driving boards), necessary third-party electrical equipment required to acquire signal data (oscilloscope, DAQ boards, PC-interface boards), software to operate the instrument on an NPL PC (or otherwise the tenderer to supply a computer where necessary) and physical hardware in order to integrate the instrument into the existing facilities at NPL (stand, tripod, objective lenses). Background to the requirement: The NPL requirement is for a laser interferometer for the displacement measurement of a water-borne reflective membrane incident upon by ultrasonic tone bursts. The purpose is to provide accurate and reliable picometre displacement measurements of the membrane, when driven at frequencies between 0.1 and 100 MHz, for the purposes of calibrating ultrasonic hydrophones. The measurement of displacement is expected to be robust to environmental laboratory noise including acoustic amplifier noise, typical RF bursts from pulsed lasers, air movement through air conditioning, airborne sound and environmental vibration. Access should be available to the raw data to allow for independent post-processing. The system should not be so bulky or sensitive that it cannot easily be moved once installed. The system will be expected to be used in multiple laboratories and as such must be suitable for efficient transport and set up. Additional information: Please do not contact the person listed on this notice. Documents can only be obtained through Bravo Solutions. Please ensure that you register on Bravo Solutions (link below) to obtain the documents and submit your interest / intention to bid. Read full description ## CPV classification Laboratory, optical and precision equipments (excl. glasses) Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/128be237-85e4-47c7-8f05-2b5e7ba89155) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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