Salient Characteristics
Updated
A PDF document (118 KB) attached to Fit Test Machine, from the Department of the Air Force. Due Nov 18, 2026, 12:00 PM (UTC-6).
File name: Salient Characteristics.pdf
The full file is for paid members, or buy this bid alone.
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Salient Characteristics
Name Brand: PortaCount Model 8040 Respirator Fit Tester
1. Purpose
The purpose of this letter is to outline the salient characteristics required for the procurement of a quantitative respirator fit tester (QNFT) to support mission-critical respiratory protection programs. The specified requirements ensure that the equipment provides accurate, objective, and automated fit testing for service members and personnel utilizing high-efficiency respiratory protection.
2. Technical Specifications & Performance
The following characteristics are mandatory for any equipment provided under this requirement to be considered technically acceptable:
Category
Characteristic
Mandatory Requirement
Technology
Detection Method
Must utilize Condensation Nuclei Counter (CNC)
technology to measure ambient aerosol concentrations
inside and outside the mask simultaneously.
Compatibility
Mask Types
Must be capable of testing all tight-fitting respirators with ≥99% filter efficiency, including SCBA, CBRN masks
(e.g., M50/M51), and elastomeric half/full facepieces.
Performance
Fit Factor Range
Must be capable of measuring Fit Factors from 1 to
10,000+.
Performance
Particle Range
Must detect particles in the 0.02 to 1.0 micrometer size range.
Category
Characteristic
Mandatory Requirement
Compliance
Standards
Must include pre-programmed automated protocols
compliant with OSHA 29 CFR 1910.134 and ANSI/ASSP
Z88.10.
3. Operational & Functional Requirements
Feature
Requirement
Real-Time Data
Equipment must feature a Real-Time FitCheck Mode to allow for immediate adjustment of the respirator during the donning process.
User Interface
Must feature a touchscreen interface for standalone operation and be compatible with PC-based software for group data management.
Connectivity
Must support data transfer via WiFi, Bluetooth, and USB-C.
Portability
The unit must be field-deployable, weighing no more than 5.0 lbs, and include a ruggedized transport case.
Group Testing
Software must allow a single administrator to manage up to four (4) units simultaneously from one interface.
The beginning of the document. Download the full file to read on.