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Component Repair and Calibration Tender in USA - 149343864

The HEALTH AND HUMAN SERVICES, DEPARTMENT OF | CENTERS FOR DISEASE CONTROL AND PREVENTION has issued a Tender notice for the procurement of a Component Repair and Calibration in the USA. This Tender notice was published on 17 Sep 2026 and is scheduled to close on 21 Sep 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 149343864, while the tender notice number is 75301-26-Q-79276 and Registering on the platform.

Procurement Summary

Country: USA

Summary: Component Repair and Calibration

Deadline: 21 Sep 2026

Posting Date: 17 Sep 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 149343864

Document Ref. No.: 75301-26-Q-79276

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

Purchaser's Detail

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Tender Details

Notice of Intent
The Centers for Disease Control and Prevention intends to award a sole source firm fixed price
purchase order to TSI Incorporated 500 Cardigan Road Shoreview, MN 55126 (CAGE Code:
24575) for the purchase of repair and calibration services for Government owned equipment.
Only the manufacturer (TSI Inc.) can repair and calibrate the Aerodynamic Particle Sizer because
proprietary models must be adjusted for the calibration, proprietary knowledge of internal flow
regulators is needed for the repair, and unique access to instrument components that are located
behind embedded electronics is required. Alternative service providers are not available because
proprietary information on the instrument operating model and flow regulation system is
required.
Description
TCI shall repair and calibrate 3 Aerodynamic Particle Sizers with an expected turnaround of 21
days. Upon receipt of instruments, TSI Inc. shall bring the 3 Aerodynamic Particle Sizers to a
calibration flow rate of 5 liters per minute (lpm) (1 lpm for sample + 4 lpm for sheath) and
maintain the calibration flow rate, even with a pressure drop of up to 50 inH20 at the inlet by
adjusting microprocessor controlled volumetric flow control, barometric pressure correction, and
separate pumps for sheath and total flows, to enable the Aerodynamic Particle Sizers to operate
under a wide range of conditions and still maintain calibration.
TSI Inc. shall also calibrate the 3 Aerodynamic Particle sizers for precise and accurate numbersize
distributions for 0.37 to 20 micrometers aerodynamic diameter using a time-of-flight
technique, and a patented, double-crest optical system to detect the occurrence of particle
coincidence (when more than one particle is in the detection area) and to identify poor signals
near the instrument-s lower detection threshold. The Government will provide the following
components for repair and calibration:
1. ...

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