ASTM F2343-15(2021)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F2343 − 15 (Reapproved 2021)
Standard Test Method for
Livestock, Meat, and Poultry Evaluation Devices
This standard is issued under the fixed designation F2343; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2.1 error, n—difference between the “true” value of a
reference material and the indication received from an elec-
1.1 This test method covers test methods used to determine
tronic evaluation device or system.
theaccuracyofelectronicdevicesthatevaluatecompositionor
3.2.2 meat, n—all edible products and edible by-products
quality constituents of livestock, meat, and poultry.
harvested by the meat-packing industry.
1.2 The values stated in SI units are to be regarded as the
3.2.3 reference material, n—physical object used as a basis
standard. The values given in parentheses are for information
for comparison or calibration.
only.
3.2.4 test, n—procedure for determining a characteristic by
1.3 This standard does not purport to address all of the
direct measurement.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
3.2.5 tolerance, n—value fixing the limit of allowable error
priate safety, health, and environmental practices and deter-
or departure from true performance or value.
mine the applicability of regulatory limitations prior to use.
3.2.6 value, measurement, n—data point or indication rep-
1.4 This international standard was developed in accor-
resenting the outcome of a measurement or observation.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
4. Significance and Use
Development of International Standards, Guides and Recom-
4.1 Characteristics of livestock, meat, and poultry can be
mendations issued by the World Trade Organization Technical
used to determine value. Devices have been and are currently
Barriers to Trade (TBT) Committee.
underdevelopmenttoevaluatethesecharacteristics.Theuseof
thistestmethodwillassistmanufacturers,users,andregulating
2. Referenced Documents
authorities to refer to uniform test methods to determine if the
2.1 ASTM Standards:
devices are accurate.
F2463Terminology for Livestock, Meat, and Poultry Evalu-
ation Systems
5. Apparatus
2.2 NIST Standard:
5.1 Reference materials may include, but are not limited to,
NISTHandbook 44Electronic Livestock, Meat, and Poultry
test blocks to verify linear measurements for ultrasound and
Evaluation Systems and/or Devices
linear probes, “phantom carcasses” to verify non-linear mea-
surementsusedindevicesthatusemagneticenergyabsorption,
3. Terminology
photographicplatesforvisualimagingdevices,orothermeans
3.1 For definitions relating to livestock, meat, and poultry
to verify a characteristic.
evaluation systems, see Terminology F2463.
5.2 Manufacturers provide reference materials to use in the
3.2 Definitions of Terms Specific to This Standard:
initial setup and calibration of evaluating devices before use;
these reference materials can be used as standards for ensuring
accuracy after they are verified and documented by an inde-
This test method is under the jurisdiction of ASTM Committee F10 on
pendent third party. Reference material shall be uniquely
Livestock, Meat, and Poultry Evaluation Systems and is the direct responsibility of
identified (for example, serial number) and retained for addi-
Subcommittee F10.20 on Device Performance Criteria.
tional testing and calibration to ensure the accuracy of the
CurrenteditionapprovedJune1,2021.PublishedJuly2021.Originallyapproved
in 2004. Last previous edition approved in 2015 as F2343–15. DOI: 10.1520/
device as it is being used over time.
F2343-15R21.
5.3 Verification of the reference material requires: (1) that
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
the reference materials stated measurements are accurate (this
Standards volume information, refer to the standard’s Document Summary page on
requires that the error of the labeled measurements can not be
the ASTM website.
greater than one-third of the smallest allowable error accept-
Available from National Institute of Standards and Technology (NIST), 100
Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov. ablewhenthereferencematerialisusedtoverifyanevaluating
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2343 − 15 (2021)
device), and (2) the reference material is an appropriate proxy button on the terminal. When the morning control button is
for the characteristic being evaluated by the device or system activated, no transmission is sent to the scale terminal.
(the reference material is considered appropriate if it is has
7.3.5 Verify that all measurement errors are within NIST
been designed to be used as a reference material, and it is Handbook 44 or this test method, as applicable.
constructed to retain its characteristics for a reasonable period
7.4 UltraFom Test Procedures:
of time under conditions of normal use).
7.4.1 Press the key twice and select “Test” from the main
menu.
6. Calibration and Standardization
7.4.2 Press * and select “Test”.
6.1 Reference Material—The user is responsible for ensur-
7.4.3 Put water on the test block (reference material).
ingthatallreferencematerialsusedtotestitsevaluatingdevice
7.4.4 Hold the test block to the sensor.
have been verified as accurate by an independent third party.
7.4.5 Record the displayed results.
The frequency of this verification shall be every two years or
7.4.6 Repeat 7.4.3 – 7.4.5 a total of ten times for each
less.
required measurement.
6.1.1 When an evaluation device or system is being cali-
7.4.7 Data is automatically recorded.
brated at initial setup or adjusted after it has been found to be
7.5 CVT Test Procedures:
outoftolerance,theusershallensurethatthedeviceisadjusted
7.5.1 Apply fine spray of water on test block, reference
as close as practicable to the indications of the reference
material, and transducer standoff cover.
material.
7.5.2 Place transducer on test block.
7.5.3 Be sure that the surface of the test block is set at zero.
7. Procedures
Reset baseline if necessary.
7.1 The production daily test for evaluating devices require
7.5.4 Press trigger to make a measurement.
a minimum of three readings from each third of the normal
7.5.5 Repeat the steps in 7.5.1 – 7.5.4 a total of 10 times.
operating range of the device.
7.5.6 Measurements are automatically displayed and re-
corded.
7.2 Autofom Test Procedures:
7.5.7 Verify that all measurement errors are within NIST
7.2.1 Transducer Test:
Handbook 44 or this test method, as applicable.
7.2.1.1 Dry the transducer array so that no water is left.
7.2.1.2 Test function is activated on the control panel.
7.6 Vision System Testing Procedures for E+V, VGB 2000:
7.2.1.3 Wait 1 min to check that none of the transducers are
7.6.1 Instrument Verification:
starting automatically.
7.6.1.1 Inspect camera conduit cable for cracks and ensure
7.2.1.4 Put some gel on the test block (reference material).
that cable connectors, camera housing attachments, trigger
7.2.1.5 The transducer is checked with the test block.
assemblies are securely fastened.
7.2.1.6 Remove gel from transducer.
7.6.1.2 Inspect camera glass window and optical compo-
7.2.1.7 Repeat 7.2.1.4 – 7.2.1.6 on all 16 transducers. Take
nents to make sure it is clean and free of any smudges.
ten measurements with the test block for each required
7.6.1.3 Inspect certified reference materials to make sure
measurement on each transducer.
each is clean and free of smudges.
7.2.2 Aftereachtransducertest,theresultswillberecorded.
7.6.1.4 Before proceeding, ensure that the instrument has
Attheendofatestseries,thelatestresultfromeac
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