A23-066 Acoustic Imagers Item Description.pdf

DEPARTMENT OF THE AIR FORCE

OKLAHOMA CITY AIR LOGISTICS COMPLEX (AFMC)

TINKER AIR FORCE BASE, OKLAHOMA

12 April 2023

MEMORANDUM FOR RECORD

FROM: Mark Todd

OCALC/OBCA

3001 Staff Drive T67 Tinker Air Force Base, OK 73145

SUBJECT: Item Description, A22-066 Acoustic Imagers

1. The 76th AMXG/566 is requesting utilization of funds for the purchase of Six (6) acoustic imagers.

2. The requested equipment item description / Specifications are outlined below.

a. The acoustic Imager detects and locates an acoustic signature that can indicate leaks in systems and provides images of the inspection area.

b. Acoustic Sensing and Imaging

(1) Number of microphones shall be 64 digital micro-electromechanical Systems (mems).

(2) Frequency range shall be a minimum of 2 Kilohertz (kHz) to 100 kHz.

(3) Operation distance range shall be a minimum of 0.5 meters.

(4) Field-of-view (FOV) shall be a minimum of 63 degrees.

(5) Nominal frame rate shall be a minimum of 25 frames per seconds.

c. Visual Camera with Display Screen

(1) Display screen shall be a minimum of a seven-inch LCD with backlight, and readable in direct sunlight.

(2) Display Screen shall have a minimum resolution of 1280x800.

(3) Display Screen shall have touchscreen abilities.

(4) Camera shall have a FOV of a minimum of 63 degrees.

(5) Camera shall have both a color and grayscale image mode.

(6) Visual Camera resolution on screen shall be a minimum resolution on screen of 640x480.

(7) Acoustic image shall be visually displayed and contain a sound map while allowing for image overlaps.

d. Image Storage

(1) Memory / Storage Capacity shall be at a minimum of 20 gigabytes (GB).

(2) Image format must be capable of both Joint Photographic Experts Group (jpeg) and Portable Network Graphic (png) files.

(3) Video format shall be in mp4 file format.

(4) The Image Storage shall be at a minimum capable of saving five (5) minutes of video.

e. Acoustic Measurements and Analysis

(1) Sound pressure range shall be at a minimum of 12.1 decibels (dB) of sound pressure level (SPL) to a minimum 135.5dB SPL.

(2) Minimal acoustic imaging sensitivity at one (1) meter shall be a minimum of three (3) dB of SPL two (2) khz, and up to a minimum of 51dB SPL 100 kHz.

(3) Shall contain an auto or manual maximum / minimum dB gain selection.

(4) User Shall be able to adjust the frequency band.

(5) Shall have the ability to capture and analyze leak data to determine type of leak.

(6) Battery type shall be rechargeable Lithium-ion (li-ion)

(7) Battery life shall be at a minimum 6 hours of use.

(8) Charging hours shall be at maximum of three (3) hours to full charge.

3. Point of contact for this memorandum is Mark Todd at (405) 739-8311 or email at mark.todd.7@us.af.mil

JESSICA K. SLAVICK, NH-03, USAF MARK A. TODD, GS12, USAF

Engineer Program Manager

76 AMXG/ MXDEA OC-ALC/OBCA

SLAVICK.JESSICA.

KAITLIN.155796708

Digitally signed by

SLAVICK.JESSICA.KAITLIN.155

7967083 Date: 2023.04.12 16:26:35 -05'00'

TODD.MARK.AL

AN.1122358956

Digitally signed by

TODD.MARK.ALAN.1122358956

Date: 2023.04.12 17:34:28 -05'00'