ASTM F1468-04

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: F 1468 – 04
Standard Practice for
Evaluation of Metallic Weapons Detectors for Controlled
1
Access Search and Screening
This standard is issued under the fixed designation F 1468; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This practice establishes standard methods for the evalu- 3.1 Definitions of Terms Specific to This Standard:
ation of walk-through metal weapons detectors and criteria for 3.1.1 clean tester—a person who does not carry any objects
testing metal detection performance. which would significantly alter the signal produced when the
1.2 This practice specifies certain health, safety, and human person carries a test object; smaller test objects require more
factors criteria pertaining to the usage of the detection equip- complete elimination of metallic objects. By example but not
ment. limitation, such significant objects may include: metallic belt
1.3 This practice requires the use of non-standardized (user- buckles, metal buttons, cardiac pacemakers, coins, metal-frame
supplied) test objects and test equipment. Evaluations made eye glasses, hearing aids, jewelry, keys, mechanical pens and
using the procedures outlined in this practice can be used for pencils, shoes with metal shanks or arch supports, metallic
comparative evaluations only if the tests are made with the surgical implants, undergarment support metal, and metal
same equipment and test objects. zippers. A clean tester passing through a metal detector shall
1.4 This practice is intended for use by manufacturers and not cause a disturbance signal greater than 10 % of that
evaluators of electromagnetic field devices used for screening produced when carrying the critical test object through the
persons entering into controlled access areas. It is not intended detector. The tester shall have a mass between 50 and 100 kg
to set performance nor limit or constrain operating technolo- (110 and 220 lb) and a height between 1.50 and 1.90 m (59 and
gies, nor is it a document for use by individual operators or 75 in.). If the detector is sensitive to body size because of
users of such equipment at specific access control points. design or desired sensitivity, the physical size of testers should
1.5 The values stated in SI units are to be regarded as the be smaller and within a narrower range.
standard. Other units given in parentheses are for information 3.1.2 critical orientation—the orientation of a test object
only. which produces the smallest detection signal or weakest
1.6 This standard does not purport to address all of the detection.
safety concerns, if any, associated with its use. It is the 3.1.3 critical sensitivity setting—the sensitivity setting of a
responsibility of the user of this standard to establish appro- detector at which the critical test object in its critical orienta-
priate safety and health practices and determine the applica- tion is detected at a 90 % or greater rate at the weakest or
bility of regulatory limitations prior to use. For a specific critical test point for the detector.
hazards statement, see warning note in 12.2.5. 3.1.4 critical test object—the test object out of a given
group of objects which, in its worst-case or critical orientation,
2. Referenced Documents
produces the worst-case or critical sensitivity setting for a
2.1 ANSI/IEEE Standard:
specific detector. The group shall comprise one or more objects
C62.41 IEEE Guide for Surge Voltages in Low Voltage AC which are to be detected under the same detector settings.
2
Power Circuits
3.1.5 critical test point—the location within the passage
2.2 ANSI Standard: opening of a detector portal which produces the weakest signal
3
C 101 Leakage Current for Appliances
response (the critical sensitivity) for the critical test object at its
critical orientation.
3.1.6 detector—synonym (used in this practice for brevity)
1
This practice is under the jurisdiction of ASTM Committee F12 on Security
for a walk-through device for detecting weapons such as
Systems and Equipment and is the direct responsibility of Subcommittee F12.60 on
defined in 3.1.14.
Controlled Access Security, Search, and Screening Equipment.
Current edition approved Feb. 1, 2004. Published March 2004. Originally 3.1.7 discrimination ratio—an expression of a detector’s
approved in 1993. Last previous edition approved in 1995 as F 1468 – 95.
ability to discriminate between a weapon and innocent personal
2
Available from Institute of Electrical and Electronics Engineers, Inc. (IEEE),
possessions; it is the ratio of the signal generated by a critical
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