ASTM E1965-98(2003)
(Specification)Standard Specification for Infrared Thermometers for Intermittent Determination of Patient Temperature
Standard Specification for Infrared Thermometers for Intermittent Determination of Patient Temperature
ABSTRACT
This specification covers infrared thermometers, which are electronic instruments intended for the intermittent measurement and monitoring of patient temperatures by means of detecting the intensity of thermal radiation between the subject of measurement and the sensor. The specification addresses the assessment of the subject's internal body temperature through measurement of thermal emission from the ear canal. Though, performance requirements for noncontact temperature measurement of skin are also provided. Limits are set for laboratory accuracy, and determination and disclosure of clinical accuracy of the covered instruments are required. Performance and storage limits under various environmental conditions, requirements for labeling, and test procedures are all established herein.
SCOPE
1.1 This specification covers electronic instruments intended for intermittent measuring and monitoring of patient temperatures by means of detecting the intensity of thermal radiation between the subject of measurement and the sensor.
1.2 The specification addresses assessing subject's body internal temperature through measurement of thermal emission from the ear canal. Performance requirements for noncontact temperature measurement of skin are also provided.
1.3 The specification sets limits for laboratory accuracy and requires determination and disclosure of clinical accuracy of the covered instruments.
1.4 Performance and storage limits under various environmental conditions, requirements for labeling and test procedures are established.
Note 1—For electrical safety consult Underwriters Laboratory Standards.
Note 2—For electromagnetic emission requirements and tests refer to CISPR 11: 1990 Lists of Methods of Measurement of Electromagnetic Disturbance Characteristics of Industrial, Scientific, and Medical (ISM) Radiofrequency Equipment.
1.5 The values of quantities stated in SI units are to be regarded as the standard. The values of quantities in parentheses are not in SI and are optional.
1.6 The following precautionary caveat pertains only to the test method portion, Section 6, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: E 1965 – 98 (Reapproved 2003)
Standard Specification for
Infrared Thermometers for Intermittent Determination of
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Patient Temperature
This standard is issued under the fixed designation E 1965; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
1.1 This specification covers electronic instruments in- 2.1 ASTM Standards:
tended for intermittent measuring and monitoring of patient E 177 Practice for Use of the Terms Precision and Bias in
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temperatures by means of detecting the intensity of thermal ASTM Test Methods
radiation between the subject of measurement and the sensor. E 344 Terminology Relating to Thermometry and Hydrom-
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1.2 The specification addresses assessing subject’s body etry
internal temperature through measurement of thermal emission E 667 Specification for Mercury-in-Glass Maximum Self-
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from the ear canal. Performance requirements for noncontact Registering Clinical Thermometers
temperature measurement of skin are also provided. E 1112 Specification for ElectronicThermometers for Inter-
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1.3 The specification sets limits for laboratory accuracy and mittent Determination of Patient Temperature
requires determination and disclosure of clinical accuracy of 2.2 International Electrotechnical Commission Standards:
the covered instruments. IEC 601-1-2: 1993 Medical Electrical Equipment, Part 1;
1.4 Performance and storage limits under various environ- General Requirements for Safety. Collateral Standard:
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mental conditions, requirements for labeling and test proce- Electromagnetic Compatibility—Requirements and Tests
dures are established. IEC 1000-4-2: 1995 Electromagnetic Compatibility
(EMC)—Part 4: Testing and Measurement Techniques;
NOTE 1—For electrical safety consult Underwriters Laboratory Stan-
2 Section 2: Electrostatic Discharge Immunity Test: Basic
dards .
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EMC Publication (Rev. of IEC 801-2)
NOTE 2—For electromagnetic emission requirements and tests refer to
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CISPR 11: 1990 Lists of Methods of Measurement of Electromagnetic IEC 1000-4-3: 1995 Electromagnetic Compatibility
Disturbance Characteristics of Industrial, Scientific, and Medical (ISM)
2.3 Other Standards:
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Radiofrequency Equipment .
International Vocabulary of Basic and General Terms in
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Metrology (VIM)
1.5 The values of quantities stated in SI units are to be
regarded as the standard. The values of quantities in parenthe-
3. Terminology
ses are not in SI and are optional.
3.1 Definitions—The definitions given in Terminology
1.6 The following precautionary caveat pertains only to the
E 344 apply.
test method portion, Section 6, of this specification: This
3.2 Definitions of Terms Specific to This Standard—The
standard does not purport to address all of the safety concerns,
terms defined below are for the purposes of this specification
if any, associated with its use. It is the responsibility of the user
only. Manufacturers should use this terminology in labeling
of this standard to establish appropriate safety and health
instruments and in technical and sales literature.
practices and determine the applicability of regulatory limita-
3.2.1 accuracy, n—ability of an infrared thermometer to
tions prior to use.
give a reading close to the true temperature.
3.2.2 adjusted mode, n—output of an IR thermometer that
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gives temperature measured and calculated from a subject or
This specification is under the jurisdiction of ASTM Committee E20 on
Temperature Measurement and is the direct responsibility of Subcommittee E20.08
object, by correcting such temperature for variations in ambi-
on Medical Thermometry.
ent temperature, subject’s temperature, emissivity, body site
Current edition approved May 10, 2003. Published July 2003. Originally
(that is, oral,or rectal), etc.
approved in 1998. Last previous edition approved in 1998 as E 1965 – 98.
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Available from Underwriters Laboratories Inc., 1655 Scott Blvd., Santa Clara,
CA 95050.
3 4
Available from Global Engineering Documents, 15 Inverness Way East, Annual Book of ASTM Standards, Vol 14.02.
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Englewood, CO 80112. Annual Book of ASTM Standards, Vol 14.03.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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E 1965 – 98 (2003)
3.2.3 axillary temperature [t ], n—temperature at the apex 3.2.19 infrared (IR), adj—of the electromagnetic radiation
ba
of either axilla (armpit) as measured by a contact thermometer. within the mid- and far infrared spectral ranges (approximately
from 3 to 30 µm wavelength).
3.2.4 blackbody,
...
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