A-A-52316C
2.7 Voltage indicator. An indicator or other device shall provide a clear distinction between when the voltage is adequate for testing, low, and when the TCMMD is running on back-up power.
2.8 Housing. The power supply, sources, detectors, readout device, etc., shall be in a housing of rugged construction that is moisture and dust proof. The housing shall conform to the U.S. Nuclear Regulatory Commission (NRC) requirements in Title 10 of the Code of Federal Regulations.
2.9 Tools and accessories. The TCMMD shall be furnished with a reference standard, all tools necessary for operation, site-preparation devices, technical publications, an Alternating Current (AC) battery charger, 24-V Direct Current (DC) battery charger, operating instructions, and a transport case with locking mechanism. All tools and accessories shall be stored and transported within the same case as the TCMMD. The tools shall include, at a minimum, guide-plate/scraper, drill rod/pin, drill rod/pin drive/insertion tool, drill rod/pin extraction tool, lubrication, sign kit, and computer data download cable.
2.9.1 Reference standard. The reference standard shall be a combination type, provided to check equipment operation, background count, and to establish conditions for a reproducible density and moisture count rate.
2.9.2 Technical Publications. Department of the Army Technical Manuals will be used to support this system IAW MIL-STD-40051-2 and AR 25-30. Supplemental data will include Maintenance Allocation Charts (MAC)’s, Pre-Maintenance Check (PMC), and Repair Parts Special Tools Listing (RPSTL).
2.9.3 Backscatter. Site preparation devices for the backscatter test method shall include a flat plate straightedge or other suitable tools, to be used to level the test site to the required uniformity.
2.9.4 Direct Transmission. When required, the provided site preparation devices for the direct transmission test method shall include an auger, rod, or other hole forming device with marks to indicate depth. It shall have a bore diameter equal to or up to .12 inch larger than the probe, with a guide to ensure that the hole is perpendicular to the test site surface.
2.9.5 Air Gap (Optional). The provided sire preparation devices for the (optional) air gap test method shall include a cradle or spacers, to support the gage at the optimum gap above the material being tested.
2.10 Transport case. The transport case shall contain the tester, all tools, accessories, technical publications and a locking mechanism. The case shall conform to the U.S. Department of Transportation requirements in Title 49 of the Code of Federal Regulations. The exterior of the case shall contain all labels/markings as required by the regulations.
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