Growing concern regarding animal welfare has increased the need for reliable methods of assessing health status without stress during commercial farm practice. Measuring body temperature with a thermal imaging camera is one possible stress-free technique since it non-contact and non-invasive. The first objective this study was to determine best anatomical site in healthy pigs measuring high spatial resolution that gives results equivalent or related temperatures measured rectum. second...

The objective of the study was to ascertain potential infrared thermal imaging (IRT) detect development clinical mastitis at an early stage. carried out on a one-site small pig farm with 80 breeding sows (crossbreed Landrace × Yorkshire) that had history high incidence MMA. udder-skin temperatures were measured using high-quality IRT camera (FLIR T650sc), in accordance measurement protocol (including calibration and corrections), uncertainty ±0.5∘C. This improves upon previous research by...

Abstract Measurement of human body temperature seems rather trivial until we become parents or medical professionals. If use different thermometers, which are used at sites, inevitably come across to measurement results. Then ask ourselves result is the right one. The answer far from because there a few dilemmas in temperature. To none these exists straight answer. article describes and thermometers for its measurement. Presented also calibration results certain clinical radiation their...

Infrared ear thermometers (IRETs) are extensively used for measuring the temperature of a human body. For accurate measurements with IRETs they have to be calibrated regularly an appropriate and traceable calibration system. Such systems neither widely available nor there many competent (accredited) laboratories which can provide traceability IRETs. This paper describes some important influential parameters in use IRETs, were observed during extensive research on not been reported literature...

Thermal imagers are becoming widely used instruments for noncontact absolute temperature measurements as opposed to previous practice when they were mostly measure differences. To assure accurate and reliable measurements, a calibration procedure including evaluation of the thermal imager entire field view (FOV) is needed. The challenge was construct large aperture blackbody, covering complete FOV having better stability non-uniformity than sensitivity imager. blackbody bath designed on...

In numerous applications, including current body temperature monitoring in viral pandemic management, thermal imaging cameras are used for quantitative measurements. These require determination of the measurement accuracy (error) and its traceability (measurement uncertainty). Within error estimation, size-of-source effect (SSE) is an important source. The SSE relation between physical size a target instrument’s nominal size. This study presents direct evaluation due to SSE. A stable uniform...

The paper describes a system for the determination of size-of-source effect (SSE) radiation thermometers with direct reading temperature, which form majority commercial thermometers. Optics in every thermometer (RT) gathers from larger area than is defined by nominal target size. Thus, measured temperature more or less dependent on available area. Every suffers SSE. We developed system, based water-cooled holder, measuring SSE method. could be placed front any blackbody. Manufacturing such...

There is an incorrect value in the print issue (volume 25, 3, June 2004). On page 703, 12 lines from bottom, text 'we get error of 3.7 °C' should read as 0.3 °C'. This inaccuracy also appeared full-text online PDF file but was corrected on 28 2004.

This paper presents a temperature evaluation method by means of high-speed, visible light digital camera visualization and its application to the mineral wool production process. The proposed adequately resolves temperature-related requirements in significantly improves spatial temporal resolution measured fields. Additionally, it is very cost effective comparison with other non-contact field measurement methods, such as infrared thermometry. Using for temperatures between 800°C 1500°C,...

Clinical thermometers in intensive care units are used for the continuous measurement of body temperature. This study describes a procedure dynamic uncertainty evaluation order to examine requirements clinical thermometer properties standards and recommendations. In this thermistors were as temperature sensors, transient measurements performed water air data processed investigation properties. The mathematically modelled. A Monte Carlo method was implemented evaluation. analysed static...

Current process of calibrating radiation thermometers, including thermal imagers, relies on measurement comparison with the temperature a black body at set distance. Over time, errors have been detected in calibrations some which were correlated moisture levels. In this study, effects atmospheric air transmission evaluated by means simulations using best available resources corresponding datasets. Sources spectral transmissivity listed, and data was obtained from HITRAN molecular absorption...

The objective of this paper is to elaborate new elements related metrological analysis in the field testing, such as measurement uncertainty and traceability. Until now international standard ISO 45001 did not explicitly require specifications area testing an extent newly implemented ISO/IEC 17025. Therefore several additional steps should be performed specifying results, especially concerning performance other conformity assessment activities.

The objective of the paper is to discuss automation a precision calibration laboratory in view achieving maximal quality metrological performance. Besides measurement equipment for ease operation, communication and data processing, basic emphasis given reliability flexibility, possibility minimal uncertainty equipment. Several software design guidelines are discussed case high-precision temperature laboratory.

In this paper an automated system for the evaluation of climatic chambers is presented. Besides automation, a basic emphasis given to reliability operation, flexibility and possibility achieving minimal uncertainty application. The developed completely satisfy all standards requirements concerning and/or calibration in laboratory as well on site.

Abstract Accurate and repeatable spatial positioning of measurement equipment is required in many laboratory experiments procedures. Although such mechanical manipulation can often be performed manually, by using special as different tripods, an automated system offers several advantages, higher accuracy repeatability, reduced operator workload, possibility to implement more complex Many adequate systems are commercially available, but our aim was produce a high quality, low cost, oriented...

In this paper, the automation of calibration liquid-in-glass thermometers (LiGTs) is discussed. Temperature readings are taken automatically with use a measuring system that consists standard setup, video camera and illumination, an image acquisition module computer executes algorithm for processing analysis. Once reading temperature extracted from acquired image, value can be passed to any other data program, which includes comparison values reference thermometer determination correction...

Abstract According to requirements of the ISO/IEC 17025:2005 standard, environmental conditions while calibrating are monitored and stated in calibration certificate. In this paper we present an experiment for evaluation behavior our on-site measuring equipment regarding its specifications suitability these typical work. We built a setup determining temperature relative humidity dependence equipment. Main units were placed climatic chamber, sensors into ice bath generator, respectively. The...

The objective of this paper is to analyze major error sources in the process simultaneous calibration a large number thermocouples (TCs). main reason for occurrence additional when TCs are simultaneously calibrated due inhomogeneity effects and characteristics particular measuring setup. need such calibrations fact that, often, relatively low-cost but traceably needed monitoring purposes measurements temperature profiles applications, as evaluation humidity chambers, wind channels, tunnel...