USM SSP 26_026 Notice of Proposed Sole Source Purchase of Data Acquisition Labs Expansion.

Location:	Mississippi
Posted:	May 22, 2026
Due:	Jun 8, 2026
Agency:	State Government of Mississippi
Type of Government:	State & Local
Category:	66 - Instruments and Laboratory Equipment
Solicitation No:	9280-26-R-RFIN-00028
Publication URL:	To access bid details, please log in.

Procurement Details

Smart Number	9280-26-R-RFIN-00028	Advertised Date	05/22/2026 12:00 AM
RFx #	3150006851	Submission Date	06/08/2026 8:00 AM
RFx Status	Open	Major Procurement Category	COMMODITIES
RFx Opening Date	06/08/2026 8:00 AM	Sub Procurement Category	EQUIPMENT - TECHNOLOGY
RFx Type	Req. for Information
Agency	UNIVERSITY OF SOUTHERN MISSISSIPPI
RFx Description	USM SSP 26_026 Notice of Proposed Sole Source Purchase of Data Acquisition Labs Expansion. http://www.ms.gov/dfa/contract_bid_search/Bid RFx: 3150006851 Comments/objections will be received as required per Section 31-7-13 (C) of the Mississippi Code unt

Contact Information

Name	Amber Floyd	Email	amber.floyd@usm.edu
Phone	601 266 4855	Fax

RFx Items

PRODUCT CATEGORY	PRODUCT DESCRIPTION
93862	Serv HosEqMainLabEq

Awarded

VENDOR NAME

VENDOR NUMBER

AWARD DATE

AWARD AMOUNT

FUNDING SOURCE

Bid Attachments

Attachments Sole Source Justification Letter MANS for PASCO
Attachments SoleSrc_QT137841
Attachments SSP 26_026 Data Acquisition Labs Expansion

Attachment Preview

USM SSP 26_026 Notice of Proposed Sole Source Purchase of Data Acquisition Labs Expansion.

http://www.ms.gov/dfa/contract_bid_search/Bid

RFx: 3150006851

Comments/objections will be received as required per Section 31-7-13 (C) of the Mississippi Code until

8:00 a.m. (Central Time) on June 8, 2026.

Any person or entity that objects and proposes that the commodity listed is not sole source and can be

provided by another person or entity shall submit a written notice to:

Jacob Cochran

Director of Procurement & Contracts 118 College Dr. Box 5003 Hattiesburg, MS 39406

bids@usm.edu

Phone: 601-266-4131

Subject Line must read "Sole Source Objection USM SSP 26_026"

The notice shall contain a detailed explanation of why the commodity is not a sole source procurement.

Appropriate documentation shall also be submitted if applicable.

If after a review of the submitted notice and documents, USM determines that the commodity in the

proposed sole source request can be provided by another person or entity, then USM will withdraw the

sole source request publication from the procurement portal website and submit the procurement of

the commodity to an advertised competitive bid or selection process.

If USM determines after review that there is only one (1) source for the required commodity, then USM

will appeal to the Public Procurement Review Board. USM will have the burden of proving that the

commodity is only provided by one (1) source.

Run Dates: 5/22, 5/29

The University of Southern Mississippi

Notice of Proposed Sole Source Purchase

SSP 26_026

The University of Southern Mississippi anticipates purchasing the item(s) listed below as a sole

source purchase. Anyone objecting to this purchase shall follow the procedures outlined below.

1. Description of the commodity that USM is seeking to procure:

 Electron Charge-to-Mass Ratio Apparatus (Qty: 1)

A complete apparatus for measuring the charge-to-mass ratio (e/m) of the electron

with high accuracy. Must include dedicated Helmholtz coils to generate a uniform

magnetic field, a replaceable electron beam tube, and two tunable DC power

supplies — one for the accelerating voltage and one for the coil current. The

system must allow students to observe the circular path of an electron beam and

calculate the e/m ratio from measured beam radius, accelerating voltage, and

magnetic field strength.

 Photoelectric Effect System (Qty: 1)

A complete, self-contained system for conducting photoelectric effect

experiments and determining Planck's Constant to within 5% accuracy. Must

include a mercury vapor light source with selectable wavelength filters, a

photoelectric effect apparatus with a metal photocathode, a tunable DC power

supply for applying stopping voltage, and a high-sensitivity DC current amplifier

for detecting the photocurrent. The system must allow students to measure

stopping voltage as a function of light frequency and calculate Planck's Constant

from the resulting graph.

 Educational Spectrophotometer System (Qty: 4)

A complete spectrophotometer system for teaching optical principles and

performing quantitative light intensity measurements. Must include a 60 cm

optical bench, a rotating spectrophotometer table with angular measurement

capability (via a compatible rotary motion sensor), a high-sensitivity light sensor

with selectable measurement ranges, an aperture bracket for controlling spatial

resolution of the light sensor, and a spectrophotometer accessory set. The system

must be compatible with computer-based data acquisition software for real-time

data collection and analysis.

The University of Southern Mississippi

Notice of Proposed Sole Source Purchase

SSP 26_026

 Open Speaker (Qty: 4)

A full-range speaker (minimum 13 cm woofer) mounted on a stable base with

standard banana jack inputs. Must be designed without an enclosure or speaker

cabinet so that air resonance around the rear of the speaker cone is eliminated,

making it suitable for acoustic resonance experiments. Intended for use in driving

standing waves in resonance tubes and other wave demonstrations.

 Mass and Hanger Set (Qty: 4)

A complete set of calibrated masses and hangers for use in mechanics and force

experiments. Must include a minimum of 4 hangers and 27 individual weights

with values ranging from 0.5 g to 100 g. Masses must be cylindrical in shape, and

hangers must include a notched handle for easy attachment with thread or string.

 Optical Bench / Optics Track, 1.2 m (Qty: 4)

A 1.2-meter precision optical rail (optics bench) for use in geometric optics,

diffraction, interference, and inverse-square law experiments. Must be compatible

with modular optics component holders and carriers that can be positioned and

locked along the track. Suitable for use with lenses, mirrors, lasers, light sensors,

and diffraction accessories.

 Ray Optics Kit (Qty: 4)

A set of optical components for studying ray optics, including lenses and mirrors

of varying focal lengths and shapes. Must be compatible with a ray box or similar

light source and suitable for exploring reflection, refraction, image formation, and

color mixing on a flat surface.

 Green Diode Laser (Qty: 4)

A green-wavelength diode laser designed for use with a modular optics system.

Must be mountable on a standard optics track or bench and suitable for alignment

with slits, diffraction gratings, mirrors, and lenses. Intended for use in interference

and diffraction experiments.

The University of Southern Mississippi

Notice of Proposed Sole Source Purchase

SSP 26_026

 Brewster's Angle Accessory (Qty: 4)

An accessory for use with an educational spectrophotometer system to measure

the intensity of reflected polarized light and determine Brewster's Angle

experimentally. Must include an acrylic semicircular lens for reflecting a laser

beam (650 nm wavelength), a polarizer, and mounting hardware compatible with

a rotating spectrophotometer table and rotary motion sensor. Results must allow

students to calculate the index of refraction of the acrylic from the measured

Brewster's Angle.

 Optics Viewing Screen (Qty: 4)

A white viewing screen for projecting and observing optical images in lens and

mirror experiments. Must be mountable on a standard 1.2 m optics track or

dynamics track and compatible with a modular optics bench system.

 Geometric Lens Set (Qty: 4)

A set of at least two converging (convex) lenses with focal lengths of +100 mm

and +200 mm, each mounted in a protective holder. Must be compatible with a

standard modular optics bench system for use in image formation and geometric

optics experiments.

 Concave/Convex Mirror (Qty: 4)

A double-sided optical mirror with a concave surface on one face and a convex

surface on the other, accompanied by a semicircular half-screen. All components

must be mounted in a holder compatible with a standard optics bench or track

system for use in reflection and image formation experiments.

 Conductive Ink Pen, Microtip (Qty: 1)

A disposable microtip pen containing silver conductive ink for use with

conductive paper in electric field mapping experiments. Must have an ink

resistivity of 50 to 125 μΩꞏcm, producing an insignificant voltage drop across

drawn lines when used with conductive paper (resistivity approximately 5,000

Ω/square). Must yield a minimum of 200 feet of continuous line.

The University of Southern Mississippi

Notice of Proposed Sole Source Purchase

SSP 26_026

 Universal Data Acquisition Interface (Qty: 2)

A high-performance, multi-channel laboratory data acquisition interface for use

with computer-based science experiments. Must support connection of multiple

sensors simultaneously, provide high sampling rates suitable for a wide range of

physics experiments, and be compatible with standard educational data collection

software. Must serve as the central hub for connecting sensors to a computer for

real-time data acquisition and analysis.

 Adjustable Angle Clamp (Qty: 3)

A laboratory clamp designed to join two rods and lock them at any angle relative

to one another, including parallel. Must be suitable for constructing and adjusting

custom laboratory apparatus configurations using standard lab rods.

 Polarization Analyzer (Qty: 3)

An optical polarization analyzer for use on a standard optics bench. Must allow

students to investigate the polarization of light and measure the relationship

between transmitted light intensity and the angle between two polarizers (Malus's

Law). Must be compatible with a rotary motion sensor for continuous angular

measurement and a light sensor for intensity data collection.

 Ray Table (Qty: 3)

A rotating ray table featuring a polar coordinate grid for measuring angles of

incident, reflected, and refracted light rays. Must include an acrylic cylindrical

(D-shaped) lens and a slot for mounting an optional polarizer. Must feature a two-

piece construction allowing the table surface to be rotated independently to

change the angle of incidence, and must be compatible with a standard optics

bench system.

 String Vibrator (Qty: 3)

An electrically driven string vibrator for producing standing waves in strings or

elastic cords. Must operate without motors or speakers (electromagnetically

driven) and include mounting features for both horizontal and vertical

configurations using standard lab rods, as well as recessed surfaces for direct table

mounting. Suitable for experiments investigating wave speed, frequency,

wavelength, amplitude, interference, and resonance.

This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.

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USM SSP 26_026 Notice of Proposed Sole Source Purchase of Data Acquisition Labs Expansion.

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