1 Scope
This specification is applicable to the calibration of infrared thermometers for measurement of human temperature and infrared devices for instant screening of human skin temperature.
2 Normative references
JJF 1001-1998 General terms in metrology and their definitions
JJF 1007-1987 Temperature meteorological terms and their definitions (trial)
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 car thermometers (with maximum device)
ASTM E 1965-98 Standard specification for infrared thermometers for intermittent determination of patient temperature
For the purpose of this specification, the currently effective editions of the above normative references shall be used.
3 Terms and meteorological units
3.1 Terms
3.1.1
calibration mode (direct measurement mode)
display mode for measurement or calibration of infrared thermometer, indicating the temperature without any correction, that is, the measurement result of blackbody temperature
3.1.2
estimation mode
display mode for measurement of infrared thermometer, indicating the estimated temperature after correction of factors such as environmental temperature change, emissivity, and body position measured
3.1.3
laboratory error
the difference between the uncorrected temperature measured by the blackbody calibrated infrared thermometer and the blackbody temperature under certain ambient temperature and humidity conditions
1 Scope
2 Normative references
3 Terms and meteorological units
4 General
5 Metrological characteristics
5.1 Temperature display range
5.2 Maximum permissible error
5.3 Ambient conditions
5.4 Display and interface
5.5 Probe protective cover
5.6 Thermometer identification and user manual
6 Calibration conditions
6.1 Ambient conditions
6.2 Standard and other equipment
7 Calibration items and methods
7.1 Calibration items
7.2 Calibration methods
8 Expression of calibration results
9 Re-calibration interval
Annex A Assessment of uncertainty in calibration of infrared thermometer
