The government seeks to procure one high-precision Multifunctional Force Tensiometer system (DataPhysics DCAT 25 or equivalent meeting all mandatory salient characteristics), including integrated operational/analytical software, peripheral measurement apparatus, automated liquid dosing modules, and on-site technical start-up and user introduction services. The acquisition is intended as a sole-source, firm-fixed-price purchase order under FAR 6.103-1; the description identifies DataPhysics Instruments USA Corp. in one section and MTS Systems Corporation in another as the intended awardee. All timely responses from responsible sources will be evaluated to determine whether another capable source exists. Questions must be submitted in writing by 12:00 p.m. Eastern Time on 24 September 2026, and telephone inquiries will not be accepted. Interested bidders must be registered in SAM at award and maintain active registration throughout performance.