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Operators Manual 

    

BR 20AR 
 

 

Ambient temperature reference source

 

Summary of Contents for BR 20AR

Page 1: ...Operators Manual BR 20AR Ambient temperature reference source...

Page 2: ...Optris GmbH Ferdinand Buisson Str 14 13127 Berlin Germany Tel 49 30 500 197 0 Fax 49 30 500 197 10 E mail info optris global Internet www optris global...

Page 3: ...of contents Table of contents 3 1 General notes 5 1 1 Intended use 5 1 2 Warranty 6 1 3 Scope of supply 6 2 Technical Data 7 2 1 BR 20AR 7 3 Installation 10 3 1 Hardware installation 10 3 2 Configura...

Page 4: ...ection 23 4 1 Crowd based screening 23 4 2 Individual screening 23 4 3 Absolute temperature measurement accuracy 24 4 4 Deployment of an IR camera for best results 25 4 5 Influences on external skin t...

Page 5: ...accuracy The radiation surface is made of aluminium with a special thermal conductivity and has shaped grooves The BR 20AR is floating with the ambient temperature The temperature is measured with a...

Page 6: ...xpires if you open the product The manufacturer is not liable for consequential damage or in case of a non intended use of the product If a failure occurs during the warranty period the product will b...

Page 7: ...Accuracy of temperature probe 0 1 C 25 50 C drift 0 0073 C Accuracy of PI 450i with BR 20AR TAmb 18 C 33 C 0 5 C TObj 30 40 C Interface 5 pin connector fitting to PIF connector of PI 450i cameras Dime...

Page 8: ...8 Figure 1 Dimensions mm ceiling mounting...

Page 9: ...Technical Data 9 Figure 2 Dimensions mm wall mounting...

Page 10: ...e PIF connector on the camera back side see Figure 3 There is no power supply necessary for the BR 20AR Hardware and Software Recommendation Computer with OS Windows 7 or higher Optris PI 450i T010 ca...

Page 11: ...Installation 11 Figure 4 System overview with PI 450i camera...

Page 12: ...radiator should be the same as that of the person to be measured Installation close to a window or an air conditioning system should be avoided as the air flow can have an effect on the measurement Th...

Page 13: ...is a very good correlation to the body core temperature Figure 6 Medial canthus In Figure 7 the face of a person was measured with an infrared camera The medial canthus is highlighted in red In this e...

Page 14: ...tely assumed to be 15x15 mm Figure 8 Temperature distribution face To achieve the minimum temperature accuracy requirement there must be at least 3x3 pixels within the Canthus region 15x15 mm The foll...

Page 15: ...0 6 0 2 0 3 x 3 34 0 O29 382 x 288 px Distance m Field of view HFOV m Pixel inside canthus 15x15 mm Depth of field DOF m for 3x3 px 1 0 0 5 12 x 12 0 5 2 0 2 0 6 x 6 3 0 4 0 4 0 3 x 3 infinite O53 382...

Page 16: ...tallation area Lens Recommended working range for screening m Distance Camera Person Recommended working range for reference m Distance Camera BR20 min max min max O18 3 6 3 20 O29 2 4 2 18 O53 1 0 2...

Page 17: ...External probe Now select under Compare with measuring area the measuring area that should correspond to the reference area This measuring area must be located in the reference source The remaining op...

Page 18: ...Example layout in PIX Connect Fever Inspection with Ref To make a correct temperature measurement on the human face make sure that glasses of the persons are removed and that the eyes are inside the m...

Page 19: ...of the reference source does not have to be taken into account further as the ambient temperature is equal to the reference source temperature This can remain set at 1 The emissivity of the object he...

Page 20: ...tion For this purpose Snapshot on alarm selection must be activated under Alarm configuration in the Alarms tab Figure 13 Configuration Snapshot on alarm Figure 14 Snapshot history The reference bar s...

Page 21: ...good contrast to the critical areas Between a temperature of 30 36 C the color palette Iron Hi is used This illustrates the normal body temperature And all values that are higher than 36 C are indicat...

Page 22: ...e camera simultaneously a optional PIF splitter is available Part No ACPIPIFSPCB2 Figure 17 PIF Splitter Figure 18 PIF Splitter Dimensions mm The splitter is only working for one BR 20AR and one PIF T...

Page 23: ...ople at once or sequential Assuming that the majority of the measured maximum head temperature values are coming from healthy individuals the exceptions with an elevated body temperature can be easily...

Page 24: ...can be combined with the PI 450i T010 camera The black body is equipped with a 16 bit digital temperature sensor with 0 1 C accuracy By integrating this highly accurate reference signal to PIX Connec...

Page 25: ...mperatures outside a normal range The span and isotherm settings are depending on ambient temperature variations so optimal setting is important For differential thermography technique measure tear du...

Page 26: ...nd ibuprofen or other antipyretics will reduce the human core and also skin temperature and make it impossible for screening a fever condition The evaporative cooling effect from perspiration will dec...

Page 27: ...rough a cold parking lot will impact measurements possibly masking a fever and reporting a false negative reading It is important to note that temperatures made on the outside of the body even at the...

Page 28: ...BR 20AR MA E2020 07 A...

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