JJF 1107-2003 PDF English
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JJF 1107-2003: Calibration Specification of Infrared Thermometers for Measurement of Human Temperature
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/JJF1107-2003
NATIONAL METROLOGICAL VERIFICATION REGULATIONS
Calibration Specification of Infrared Thermometers for
Measurement of Human Temperature
Issued on. JUNE 19, 2003
Implemented on. JUNE 29, 2003
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine
Table of Contents
1 Scope... 5
2 Normative references... 5
3 Terms and units of measurement... 5
4 Overview... 7
5 Metering characteristics... 7
6 Calibration conditions... 9
7 Calibration items and calibration methods... 11
8 Expression of calibration results... 14
9 Recalibration interval... 15
Annex A Evaluation on calibration uncertainty of infrared thermometer... 16
This Specification was approved by General Administration of Quality
Supervision, Inspection and Quarantine of the People's Republic of China on
June 19, 2003 and shall be implemented since June 29, 2003.
Jurisdiction organization.
National Technical Committee for Temperature Measurement
Main drafting organizations.
Chinese Academy of Metrology
This Specification shall be interpreted by the jurisdiction organization.
Calibration Specification of Infrared
Thermometers for Measurement of
Human Temperature
Main drafters of this Specification.
Yuan Zundong (Chinese Academy of Metrology)
The participating drafters.
Fan Kai (Shanghai Industrial Automation Instrumentation Institute)
Wu Jianying (Shanghai Institute of Metrology and Testing Technology)
Liu Qian (Beijing Institute of Metrology)
Sun Xueming (Shenzhen Institute of Metrology and Quality Inspection)
Bai Chengyu (Chinese Academy of Metrology)
Zhang Jintao (Chinese Academy of Metrology)
Xing Bo (Chinese Academy of Metrology)
Calibration Specification of Infrared Thermometers for
Measurement of Human Temperature
1 Scope
This Specification is applicable to calibration of infrared thermometers for
measurement of human temperature and infrared quick screening instruments
for measurement of human body surface temperature.
2 Normative references
JJF 1001-1998, General Terms in Metrology and Their Definitions
JJF 1007-1987, Temperature Metrological Terms and Their Definitions
JJF 1059-1999, Evaluation and Expression of Uncertainty in Measurement
GB/T 19146-2003, General requirements for infrared devices for instant
screening of human skin temperature
EN 12470-5.2003 (E) Clinical thermometers - Part 5.Performance of infrared
ear thermometers (with maximum device)
ASTM E 1965-98, Standard Specification for Infrared Thermometers for
Intermittent Determination of Patient Temperature
When using this regulations, the existing valid editions of above quoted
standards shall be used.
3 Terms and units of measurement
3.1 Terms
3.1.1 Calibration mode (direct measurement mode)
The display mode for infrared thermometer measurement or calibration. Display
the temperature without any correction, that is, the measurement result of the
blackbody temperature.
3.1.2 Estimation mode
The display mode for infrared thermometer measurement. Display the
estimated temperature after the correction of environmental temperature
changes, emissivity, measured body position and other factors.
4 Overview
The infrared thermometer for measuring human body temperature is an
instrument for measuring human body temperature by radiation exchange
between the probe and the measured object. It includes infrared thermometer
designed to measure human body temperature and infrared screening
instrument.
5 Metering characteristics
5.1 Display temperature range
In any display mode, the display temperature range of the infrared thermometer
shall cover the range specified in Table 1.
5.3 Environmental conditions
The allowable operating environment range for infrared thermometer to meet
the laboratory error requirements specified in 5.2 shall cover the provisions in
Table 1.
5.4 Display and interface
5.4.1 Resolution
The display resolution shall meet the requirements of Table 1.
5.4.2 Display mode
5.6.4 Infrared thermometer user manual shall include but not limited to the
following.
6 Calibration conditions
6.1 Environmental conditions
The temperature and humidity of the calibration laboratory environment shall
meet the requirements of 18°C~28°C, (30~70)% RH and the operating
environment conditions of the calibration equipment.
6.2 Standard and other equipment
6.2.1 Blackbody radiation source
The temperature range of the blackbody radiation source shall meet the
calibration requirements of the thermometer to be calibrated.
6.2.2 Electrical measuring instruments that measure the analog output of
calibrated thermometer (if required).
6.2.3 Required bracket for calibration thermometer
7 Calibration items and calibration methods
7.1 Calibration items
7.1.1 Appearance inspection
The infrared thermometer and infrared screening instrument shall be in good
conditions. Each function is normal and the probe shall be clean. If it uses
battery power supply, when the battery power is insufficient, there shall be a
low voltage prompt function.
7.1.3 Warning temperature measurement error
The infrared screening instrument looks for the warning temperature value near
the preset warning temperature point to determine the warning temperature
measurement error.
7.2 Calibration methods
See Table 3 for calibration methods.
7.2.1 Infrared thermometer
7.2.1.1 Repeat the measurement of the blackbody temperature at the set
blackbody temperature specified in Table 3.It can only select part of the
blackbody set temperature in Table 3 or select the blackbody set temperature
according to user requirements.
7.2.1.6 For laboratory error determination, measure and record the corrected
infrared thermometers ti, j and blackbody temperature tBBi (if blackbody is
traceable to the radiation temperature, it shall be converted to the radiation
temperature) at the nominal set temperature tsi of each black body. Determine
laboratory error for each measurement. The laboratory error ei, j is defined as.
Where, tBBi is the blackbody temperature; ti, j is the jth temperature reading when
the calibrated thermometer measures the blackbody temperature tBBi in the
calibration mode; j indicates the order of readings.
7.2.2 Infrared screening instrument
7.2.2.1 Preheat the infrared screening instrument according to the time
specified in the user manual.
8 Expression of calibration results
Calibration results shall be reflected on the calibration certificate or calibration
report.
9 Recalibration interval
The recommended interval for recalibration is 1 year. It shall be appropriately
shortened when it is used frequently.
NATIONAL METROLOGICAL VERIFICATION REGULATIONS
Calibration Specification of Infrared Thermometers for
Measurement of Human Temperature
Issued on. JUNE 19, 2003
Implemented on. JUNE 29, 2003
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine
Table of Contents
1 Scope... 5
2 Normative references... 5
3 Terms and units of measurement... 5
4 Overview... 7
5 Metering characteristics... 7
6 Calibration conditions... 9
7 Calibration items and calibration methods... 11
8 Expression of calibration results... 14
9 Recalibration interval... 15
Annex A Evaluation on calibration uncertainty of infrared thermometer... 16
This Specification was approved by General Administration of Quality
Supervision, Inspection and Quarantine of the People's Republic of China on
June 19, 2003 and shall be implemented since June 29, 2003.
Jurisdiction organization.
National Technical Committee for Temperature Measurement
Main drafting organizations.
Chinese Academy of Metrology
This Specification shall be interpreted by the jurisdiction organization.
Calibration Specification of Infrared
Thermometers for Measurement of
Human Temperature
Main drafters of this Specification.
Yuan Zundong (Chinese Academy of Metrology)
The participating drafters.
Fan Kai (Shanghai Industrial Automation Instrumentation Institute)
Wu Jianying (Shanghai Institute of Metrology and Testing Technology)
Liu Qian (Beijing Institute of Metrology)
Sun Xueming (Shenzhen Institute of Metrology and Quality Inspection)
Bai Chengyu (Chinese Academy of Metrology)
Zhang Jintao (Chinese Academy of Metrology)
Xing Bo (Chinese Academy of Metrology)
Calibration Specification of Infrared Thermometers for
Measurement of Human Temperature
1 Scope
This Specification is applicable to calibration of infrared thermometers for
measurement of human temperature and infrared quick screening instruments
for measurement of human body surface temperature.
2 Normative references
JJF 1001-1998, General Terms in Metrology and Their Definitions
JJF 1007-1987, Temperature Metrological Terms and Their Definitions
JJF 1059-1999, Evaluation and Expression of Uncertainty in Measurement
GB/T 19146-2003, General requirements for infrared devices for instant
screening of human skin temperature
EN 12470-5.2003 (E) Clinical thermometers - Part 5.Performance of infrared
ear thermometers (with maximum device)
ASTM E 1965-98, Standard Specification for Infrared Thermometers for
Intermittent Determination of Patient Temperature
When using this regulations, the existing valid editions of above quoted
standards shall be used.
3 Terms and units of measurement
3.1 Terms
3.1.1 Calibration mode (direct measurement mode)
The display mode for infrared thermometer measurement or calibration. Display
the temperature without any correction, that is, the measurement result of the
blackbody temperature.
3.1.2 Estimation mode
The display mode for infrared thermometer measurement. Display the
estimated temperature after the correction of environmental temperature
changes, emissivity, measured body position and other factors.
4 Overview
The infrared thermometer for measuring human body temperature is an
instrument for measuring human body temperature by radiation exchange
between the probe and the measured object. It includes infrared thermometer
designed to measure human body temperature and infrared screening
instrument.
5 Metering characteristics
5.1 Display temperature range
In any display mode, the display temperature range of the infrared thermometer
shall cover the range specified in Table 1.
5.3 Environmental conditions
The allowable operating environment range for infrared thermometer to meet
the laboratory error requirements specified in 5.2 shall cover the provisions in
Table 1.
5.4 Display and interface
5.4.1 Resolution
The display resolution shall meet the requirements of Table 1.
5.4.2 Display mode
5.6.4 Infrared thermometer user manual shall include but not limited to the
following.
6 Calibration conditions
6.1 Environmental conditions
The temperature and humidity of the calibration laboratory environment shall
meet the requirements of 18°C~28°C, (30~70)% RH and the operating
environment conditions of the calibration equipment.
6.2 Standard and other equipment
6.2.1 Blackbody radiation source
The temperature range of the blackbody radiation source shall meet the
calibration requirements of the thermometer to be calibrated.
6.2.2 Electrical measuring instruments that measure the analog output of
calibrated thermometer (if required).
6.2.3 Required bracket for calibration thermometer
7 Calibration items and calibration methods
7.1 Calibration items
7.1.1 Appearance inspection
The infrared thermometer and infrared screening instrument shall be in good
conditions. Each function is normal and the probe shall be clean. If it uses
battery power supply, when the battery power is insufficient, there shall be a
low voltage prompt function.
7.1.3 Warning temperature measurement error
The infrared screening instrument looks for the warning temperature value near
the preset warning temperature point to determine the warning temperature
measurement error.
7.2 Calibration methods
See Table 3 for calibration methods.
7.2.1 Infrared thermometer
7.2.1.1 Repeat the measurement of the blackbody temperature at the set
blackbody temperature specified in Table 3.It can only select part of the
blackbody set temperature in Table 3 or select the blackbody set temperature
according to user requirements.
7.2.1.6 For laboratory error determination, measure and record the corrected
infrared thermometers ti, j and blackbody temperature tBBi (if blackbody is
traceable to the radiation temperature, it shall be converted to the radiation
temperature) at the nominal set temperature tsi of each black body. Determine
laboratory error for each measurement. The laboratory error ei, j is defined as.
Where, tBBi is the blackbody temperature; ti, j is the jth temperature reading when
the calibrated thermometer measures the blackbody temperature tBBi in the
calibration mode; j indicates the order of readings.
7.2.2 Infrared screening instrument
7.2.2.1 Preheat the infrared screening instrument according to the time
specified in the user manual.
8 Expression of calibration results
Calibration results shall be reflected on the calibration certificate or calibration
report.
9 Recalibration interval
The recommended interval for recalibration is 1 year. It shall be appropriately
shortened when it is used frequently.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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