WORKSWELL MEDICAS User manual

WORKSWELL
Medicas
USER MANUAL
FW Version: 1.1.1
Release date: 28th May, 2020
Revision : 1.2.0 EN

Contents
1. Legal Disclaimer 4
1.1 Copyright .............................................. 4
2. Warning and Cauons 5
2.1 Warnings .............................................. 5
2.2 Noficaons............................................. 5
3. Help and FAQ 6
3.1 GeneralInstrucons......................................... 6
4. User Informaon 7
4.1 TypographicConvenons...................................... 7
4.2 HelpandSupport .......................................... 7
4.3 Updates ............................................... 7
4.4 Firmware .............................................. 7
5. Revision History 8
6. Introducon 9
6.1 Correct measurement of the human body temperature . . . . . . . . . . . . . . . . . . . . . . 9
6.2 Methodsofmeasurement ..................................... 9
6.3 Corebodytemperature....................................... 10
6.4 Skinsurfacetemperature...................................... 10
6.5 Normal Core Body Temperature Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.6 CBT vs SST measurement mode of the MEDICAS . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.7 Hypothermia ............................................ 11
6.8 Feverorhyperthermia ....................................... 12
6.8.1 The consequences of fever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7. System Installaon 13
7.1 General Installaon Requirements and Procedure . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.2 PowerSupply ............................................ 14
7.3 TurningtheSystemOFF....................................... 15
7.4 MounngtheMEDICAS....................................... 16
8. Focusing the Infrared Camera 17
9. External Black Body 19
9.1 CameraCalibraon ......................................... 19
9.2 MounngtheBlackBody...................................... 21
10. System Interface 22
10.1HDMIMicroVideoOutput ..................................... 22
10.2USBKeyboard............................................ 22
10.3USBOn-The-Go ........................................... 23
1

10.4SDCard ............................................... 23
11. First start 25
12. System Appearance 26
13. Users and logging in 30
13.1Typesofuseraccounts ....................................... 30
13.2Loggingin .............................................. 30
13.3Loggingout ............................................. 30
14. Main Menu (Sengs) 32
14.1GeneralDescripon......................................... 32
14.2Range ................................................ 33
14.3Funcons .............................................. 33
14.4Capture ............................................... 35
14.5Palee................................................ 36
14.6Measure............................................... 37
14.7Advanced .............................................. 38
14.7.1 User............................................. 39
14.7.2 VisibleCamera ....................................... 40
14.7.3 Images&Video....................................... 42
14.7.4 Alarms ........................................... 43
14.7.5 Memory........................................... 44
14.7.6 System ........................................... 45
14.7.7 Info ............................................. 46
15. Images and Video 47
15.1Images................................................ 47
15.1.1 RadiometricJPEG...................................... 47
15.1.2 ScreenshotJPEG ...................................... 47
15.1.3 VisibleJPEG......................................... 47
15.2Video ................................................ 48
15.2.1 EncodedIR ......................................... 48
15.2.2 Visible............................................ 48
16. Data Transfer and Memory Manipulaon 49
16.1ApplicaonMenu.......................................... 49
16.1.1 FormangMemory .................................... 52
16.2MassStorage(USBOTG) ...................................... 52
17. Firmware Update 53
17.1FirmwareUpdateProcess...................................... 53
18. Workswell ThermoLab 54
18.1GeneralDescripon......................................... 54
2

19. Environmental Condions 55
19.1EnvironmentalCondions...................................... 55
20. Infrared Camera Behavior 56
20.1InfraredCameraWarm-Up ..................................... 56
20.2 Non-Uniformity Correcon (NUC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
21. Maintanance 57
21.1 Cleaning the MEDICAS Head and Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
21.2CleaningtheInfraredLens ..................................... 57
22. Troubleshoong 59
22.1TurningON ............................................. 59
22.2Resetbuon............................................. 59
22.3SafeMode.............................................. 60
22.4ResettoFactoryDefault....................................... 61
22.5SystemUpdate ........................................... 61
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
3

1. LEGAL DISCLAIMER
1 Legal Disclaimer
All products (soware, hardware or firmware) manufactured by Workswell s.r.o. are warranted against defecve
materials and workmanship for a period of twelve (12) months, provided such products have been under normal
storage and use in accordance with herein instrucons.
The warranty extends only to the original purchaser and is not transferable. It is not applicable to any product
which has been subjected to misuse, neglect, accident or abnormal condions of operaon.
In the case of a defect in a product covered by this warranty the product must not be further used in order to
prevent addional damage. The purchaser shall promptly report any defect to Workswell s.r.o. or its authorized
distributor or this warranty will not apply.
Workswell s.r.o. will, at its opon, repair or replace any such defecve product free of charge if, upon inspecon,
it proves to be defecve in material or workmanship and provided that it is returned to Workswell within the
said twelve-month period.
Nobody but Workswell s.r.o. is allowed to open or modify such product.
Workswell s.r.o. has no other obligaon or liability for defects than those set forth above. No other warranty
is expressed or implied. Workswell s.r.o. shall not be liable for any direct, indirect, special, incidental or conse-
quenal loss or damage, whether based on contract, tort or any other legal theory.
1.1 Copyright
© Workswell s.r.o. All rights reserved worldwide. No parts of the soware including source code may be re-
produced, transmied, transcribed or translated into any language or computer language in any form or by any
means, electronic, magnec, opcal, manual or otherwise, without the prior wrien permission of Workswell
s.r.o.
Names and marks appearing on the products herein are either registered trademarks or trademarks of Workswell
s.r.o. All other trademarks, trade names or company names referenced herein are used for idenficaon only
and are the property of their respecve owners.
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
4

2. WARNING AND CAUTIONS
2 Warning and Cauons
2.1 Warnings
Before using the product, please read the whole User Manual. Before power-up the camera, please check that
there is no visible damage or malfuncon, cables are connected properly and verify the polarity is correct.
If there are any visible signs of damage or other defect on the device, or you are not sure with the connecon,
then on no account should it be installed or put into operaon.
Any interference and non-cerfied service operaons into the product leads to an automac loss of warranty.
2.2 Noficaons
Do not use or store the device in conflict with the storage and operang condions laid down in this manual
(only for hardware).
Do not point the infrared camera (with or without the lens cover) at strong energy sources, for example,
devices that cause laser radiaon, or the sun. This can have an unwanted effect on the accuracy of the
camera. It can also cause damage to the detector in the camera.
Use original accessories only.
Do not use the Workswell Medicas system in temperatures higher than +35◦C (+95◦F). High temperatures
can cause damage to the camera.
Do not use the Workswell Medicas system in temperatures lower than +10◦C (+50◦F). Low temperatures
can cause damage to the camera.
Do not use the Workswell Medicas in environmental condions that make condensaon possible (make
sure the air is non-condensing)
Do not apply solvents or equivalent liquids to the cameras, the cables, or other items. Damage to the items
can occur. For cleaning refer to chapter 21.
Be careful when you clean the infrared lens. The lens has an an-reflecve coang which is easily damaged.
Do not use too much force to clean the infrared lens. This can cause damage to the an-reflecve coang.
The encapsulaon rang is only applicable when all the openings on the all components of the system are
sealed with their correct covers, hatches, or caps.
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
5

3. HELP AND FAQ
3 Help and FAQ
3.1 General Instrucons
While looking for a soluon of any technical problem we recommend following these steps:
try to find an answer by searching this User Manual
contact your dealer
send an email to [e-mail]
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
6

4. USER INFORMATION
4 User Informaon
4.1 Typographic Convenons
Following typographic convenons are used in this User Manual:
UPPER CASE is used for the names of keys, buons and menu items
COURIER is used for filenames and paths
Italic is used for important informaon and document names
bold is used for the links to other secons, for funcon names or Internet sites
4.2 Help and Support
For technical quesons that were not answered in this User Manual feel free to contact your dealer or visit the
product website at hps://workswell-thermal-camera.com/thermal-imaging-camera-airport-flue-virus-screening/,
or send an email on [e-mail].
4.3 Updates
The primary aim of Workswell s.r.o. company is to supply their products in a way that meets the current needs
of its users and at the same me to remove all the weaknesses that were found in their use as quickly possible.
For this reason, Workswell s.r.o. regularly releases updates for all their products.
Visit hps://www.workswell-thermal-camera.com/firmware-update/ to download the latest firmware release.
The update process itself is described in a later secon.
4.4 Firmware
Firmware is the „internal“ control program of the device. From the user’s point of view, only the official firmware
released by Workswell s.r.o. company can be used for update of the device.
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
7

5. REVISION HISTORY
5 Revision History
0.1.0
Inial dra
0.1.1
Added screenshots
1.0.0
Inial release
1.1.0
Added mounng secons and measurement scheme
1.1.1
Corrected focusing mark explanaon
1.2.0
Described new features added in the 1.1 FW update
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
8

6. INTRODUCTION
6 Introducon
The thermal camera MEDICAS allows to measure the temperature of the human skin and is therefore effecve
in detecng the body temperature increases for instance due to a virus infecon.
MEDICAS has accuracy of the measurement ± 0.3 °C, according to reference blackbody. This accuracy is always
guaranteed only when measuring the temperature near the black body, i.e. in similar distance from the camera
as the distance between black body and the MEDICAS.
The camera is designed to connuously calibrate the measured temperatures by measuring the temperature of
the black body shipped with the camera. This black body needs to be placed in the view of the camera in specific
distance based on the camera lens focus distance. The posion of the Blackbody then needs to be set in the
thermal image by seng BLACK BODY ROI (region of interest) from the Funcons menu.
The system offers a digital video output. Both visible and thermal spectrum images are displayed on the screen
at the same me.
While measuring the human body with the MEDICAS thermal camera and correctly evaluate the results of the
measurement, it is necessary to follow instrucons wrien in this manual. You also need to understand the
theory behind evaluang normal human body temperature.
6.1 Correct measurement of the human body temperature
Normal human core body temperature (normothermia, euthermia) is the typical temperature range found in
humans. The normal human body temperature range is typically stated as 36.5–37.5 °C (97.7–99.5 °F).
Human body temperature varies. It depends on sex, age, me of day, exeron level, health status (such as illness
and menstruaon), what part of the body the measurement is taken at, state of consciousness (waking, sleeping,
sedated), and emoons. Body temperature is kept in normal range by thermoregulaon, in which adjustment
of temperature is triggered by the central nervous system.
6.2 Methods of measurement
Taking a person’s temperature is an inial part of a full clinical examinaon. There are various types of medical
thermometers, as well as sites used for measurement, including:
In the rectum (rectal temperature)
In the mouth (oral temperature)
Under the arm (axillary temperature)
In the ear (tympanic temperature)
On the skin of the forehead over the temporal artery
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Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
9

6. INTRODUCTION
6.3 Core body temperature
Core body temperature, also called core body temperature, is the operang temperature of an organism, specif-
ically in deep structures of the body such as the liver, in comparison to temperatures of peripheral ssues. Core
temperature is normally maintained within a narrow range so that essenal enzymac reacons can occur. Sig-
nificant core temperature elevaon (hyperthermia) or depression (hypothermia) over more than a brief period
of me is incompable with human life.
6.4 Skin surface temperature
Skin surface temperature is the temperature of the outermost surface of the body. Normal human skin temper-
ature on the trunk of the body varies between 33.5 and 36.9 °C (92.3 and 98.4 °F), though the skin’s temperature
is lower over protruding parts, like the nose, and higher over muscles and acve organs.[1] Recording skin tem-
perature presents extensive difficules. Although it is not a clear indicator of internal body temperature, skin
temperature is significant in assessing the healthy funcon of skin.
6.4.1 Factors influencing skin temperature
Skin is the largest of the human body’s organs, making up approximately 15-16% of total adult body weight. The
surface of the organ exhibits significant regional temperature variaon and oen survives thermal extremies
that would prove damaging to internal organs.
Surface skin temperature in humans varies alongside ambient temperature, internal temperature and condions
affecng both the skin and underlying structures. Consequently, a uniform temperature is not typically main-
tained by skin as a whole, as demonstrated by inconsistencies between different regions of the body even in spite
of measurements taken under various external condions. Lower temperatures are characteriscally observed
in proximity to superficial veins, relave to superficial arteries, and over protruding body parts including the toes,
fingers, ears and nose. Meanwhile, skin surface temperature has been observed to be higher over acve organs
rather than those at rest, as well as over muscles rather than tendons or bones.
Other notable influences on skin surface temperature include instances of heat stress (in which significant por-
ons of cardiac output are directed to the skin), lowered skinfold thickness (contributes to significantly greater
surface temperature variaon during exercise) and local thermal control of cutaneous blood vessels (local heat-
ing may prompt vasodilaon whilst local cooling decreases blood flow to the skin).
6.5 Normal Core Body Temperature Ranges
Normal body temperature in a healthy person is a range that fluctuates throughout the day. Body temperature
can vary as much as 1.0° to 2.0°F (0.5°C to 1.0°C) and is lowest in the morning (2-4 AM) while resng and is
warmest in the aernoon (4-6 PM) while acve. Up to 5% of the populaon has a body temperature that falls
outside of the normal range. Body temperature variaon is the result of an individual’s metabolic rate. Slower
equals cooler and faster means higher normal body temperature. Metabolic rate is determined by factors such
as genec makeup, lifestyle, age, and environment.
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Reg. No.: 29048575
VAT No.: CZ29048575
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155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
10

6. INTRODUCTION
Body temperature is regulated by the hypothalamus that connuously adjusts temperature to stay within a set
range of normal in the absence of illness. Fever is defined as a temperature above an individual’s normal range.
Fever occurs from an infecon or inflammaon or can also be caused by noninfecous illnesses such as stroke,
blood clots, or gout aacks. Different sites equal different temperatures:
Rectal temperature is typically higher than Core
Core is typically higher than Oral
Oral is typically higher than Axillary
Figure 6.1 – Normal body temperature is a range. This table shows that normal temperatures vary by site. There-
fore, readings from different sites, even if taken at the same me, should not be directly compared.
6.6 CBT vs SST measurement mode of the MEDICAS
MEDICAS Thermal camera contains two modes, SST and CBT measuring mode.
SST or Skin Surface Temperature is the temperature measured on the surface of the human body.
CBT or Core Body Temperature is a mode of the camera that esmates the core temperature of the measured
human body. The camera computes internally the CBT based on the non-linear esmaon that originated from
the stascal average of mulple measurements.
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Reg. No.: 29048575
VAT No.: CZ29048575
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155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
11

6. INTRODUCTION
6.7 Hypothermia
DEFINITION OF HYPOTHERMIA Hypothermia refers to the cooling of the body beyond the normal temperature
range. In pracce, a limit of 36°C is normally accepted. Below this value, organ funcon begins to deteriorate.
Temperatures between 36°C to around 33°C are considered mildly hypothermic. The body reacts with ther-
moregulatory mechanisms such as shivering and vasoconstricon. In addion, symptoms such as increased heart
rate (tachycardia), increased respiratory rate (tachypnoea), coordinaon disturbances (ataxia), apathy, and a re-
ducon in circulang blood volume (hypovolaemia) appear. Moderate hypothermia, or temperatures between
32 and 28°C, cause respiratory depression (hypovenlaon) slow pulse (bradycardia), decreased blood pressure
(hypotension), reflex suppression (hyporeflexia), enlarged pupils and an ever-increasing loss of consciousness.
Shivering ceases. At even lower temperatures (severe hypothermia) the human organism reacts with circulatory
and respiratory collapse.
6.8 Fever or hyperthermia
The terms fever and hyperthermia both describe a state in which core body temperature is increased above
normal limits. While fever is considered to be a regulated physiological reacon, hyperthermia occurs when the
body’s thermoregulatory mechanisms are pushed beyond their limits. Depending on the definion, tempera-
tures higher than 37.5°C are considered to be higher than normal.
Fever is a reacon of the human organism to both infecous and non-infecous challenges. In intensive care
paents, infecons are the most common cause of fever. These are usually in the form of pneumonia and sep-
sis. Aside from infecons, non-infecous, inflammatory reacons can also lead to fever. These can be brought
about by myocardial infarcon, pulmonary embolism and tumours. It is rare that non-infecous reacons are
sufficient to increase temperatures above 38.9°C. Excepons include paents with fever reacons to pharmaceu-
cals of blood transfusions. Cerebral damage can cause fever of up to 40°C. Structured differenal diagnoscs
are necessary in order to avoid inappropriate pharmaceucal therapy.
6.8.1 The consequences of fever
Fever is a core funcon within the unspecific immune response. An increase in temperature acvates T-lymphocytes,
neutrophils and macrophages and smulates the producon of anbodies and cytokines, thereby modulang
the immune system. Simultaneously, the growth of many microbial pathogens which thrive at normal tempera-
tures is inhibited. Very high temperatures, above 41°C, can lead to the derangement of the coagulaon system
and disturb enzyme funcon. Hallucinaons and confusion can also occur. In addion, hyperthermia causes an
increase in cardiac output, increasing oxygen consumpon and fluid losses.
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155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
12

7. SYSTEM INSTALLATION
7 System Installaon
7.1 General Installaon Requirements and Procedure
Follow these steps to prepare the system:
1) Connect the system to a HDMI
display using HDMI micro cable
(included).
2) Connect USB keyboard receiver
to the system.
3) Connect the power supply to
the camera using power supply
adapter 24 VDC, 1 A (included).
4) Connect the power supply to
the black body using power sup-
ply adapter 24 VDC, 1 A (in-
cluded). Make sure the black
body is always set to 40°C.
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Czech Republic
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All pictures are only for illustraon.
Real values may vary.
13

7. SYSTEM INSTALLATION
5) Follow the schema bellow for the best measurement results. Make sure the black body and the camera are in
a stable environment with surrounding room temperatures between 15°C to 35°C. There can be no air circulaon
in the near vicinity of the black body to ensure the homogenity of the black body heated surface.
BEST ACCURACY
SIDE VIEW FRONT VIEW
ALTERNATIVE LOCATIONS
OF BLACK BODY
ALTERNATIVE LOCATIONS
OF BLACK BODY
FOV = 45° × 37°
Setting focus distance:
Distance from camera to black body depends on focus distance
(distance is equally like focus distance)
Focus distance A = 4 m (13.1 ft)
Focus distance B = 8 m (26.2 ft)
For focus distance A is 3–6 m (9.8–19.7 ft)
For focus distance B is 7–11 m (23–36.1 ft)
Recommended minimum
distance from the ground
1.6 m (5.2 ft)
MEASURING ZONE
DISTANCE FROM THE GROUND
BLACK BODY LOCATION
for 4 m
(13.1 ft)
for 8 m
(26.2 ft)
Figure 7.3 – Workswell MEDICAS measurement scheme.
7.2 Power Supply
The Workswell MEDICAS system can be powered through a +9 to +36 VDC connector on the back panel. The
back panel DC connector is compable with a 5.5 mm/OD (outer diameter) and 2.5 mm/ID (inner diameter)
plug, where the inner contact is +9 to +36 VDC and the shell is GND.
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Reg. No.: 29048575
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Headquarters
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155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
14

7. SYSTEM INSTALLATION
Figure 7.4 – Inner power pinout, form of the common cable.
The standard package contains appropriate adapter to power up the MEDICAS (24 VDC, 1 A).
Warning: Failure to follow these instrucons could damage the system
7.3 Turning the System OFF
To turn the system off, simply unplug the power supply.
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Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
15

7. SYSTEM INSTALLATION
7.4 Mounng the MEDICAS
The Workswell MEDICAS system can be mounted on a tripod.
Figure 7.5 – Scheme of the MEDICAS.
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ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
16

8. FOCUSING THE INFRARED CAMERA
8 Focusing the Infrared Camera
The infrared camera has adjustable focus. The focus can be set using the focus tool (included).
Warning: The MEDICAS camera is focused to 4 m (13.1 ) during manufacturing. This means you should
place the black body to the same distance (4 m or 13.1 ) and measure the temperature at the range 3-6
m (9.8-19.7 ). You can also refocus the camera to 8 m (26.2 ) using the focusing tool (included). There
is a 4 m (13.1 ) focusing mark ”COMMA” and a 8 m (26.2 ) focusing mark ”DOT” painted on the side
of the objecve. When you focus the camera to the 8 m (26.2 ) mark, you should also place the Black
Body to this distance (8 m or 26.2 ). Best measurement results are then achieved at distance range 7-11
m (23-36.1 ) from the camera. Considering the delicate nature of the opcs it is beer to not change
the focus of the camera too oen. Be very careful while removing the protecve glass and adjusng
the focus of the lens.
(a) Focus tool version 1 (b) Focus tool version 2 (c) Protecve cap (d) Focusing the lens
Figure 8.1 – Remove the protecve cap with focus tool (wider side). Focus the lens with the focus tool (narrower
side) to short distance by rotang the lens counter-clockwise. To focus to the long distance, rotate the lens
clockwise
When focused to the 8 m (26.2 ) distance marked by the DOT, in order to focus to the 4 m (13.1 ) distance
gently rotate the lens counter-clockwise unl you reach the COMMA mark. Only very short movement is needed.
(a) Lens focused to 4m (marked by
COMMA)
(b) Lens focused to 8m (marked by
DOT)
Figure 8.2 – Detail of the camera focused to different distances and markings on the side of the lens.
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
17

8. FOCUSING THE INFRARED CAMERA
During counterclockwise movement, the lens extends from the camera body.
Warning: Trying to rotate the lens too much counterclockwise may cause the lens to fall out.
When focused to the 4 m (13.1 ) distance marked by the COMMA, in order to focus to the 8 m (26.2 ) distance
gently rotate the lens clockwise, unl you reach the mark DOT. Only very short movement is needed. During this
movement, the lens retracts to the camera body. Rotang the lens too far in this direcon can adjust beyond
the intended focus range.
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
18

9. EXTERNAL BLACK BODY
9 External Black Body
In order to measure the temperatures correctly, the camera needs to perform temperature calibraon every few
seconds. To do so, it needs to have a black body of a known temperature (included) in it’s field of view in the
correct distance and have correctly set the BLACK BODY ROI (region of interest).
The distance the blackbody needs to be placed is corresponding to the focused distance of the camera lens -
either 4m from the camera if focused to the 4m mark or 8m from the camera if focused to the 8m mark. The
black body needs to be facing the camera directly and it is suggested to place the black body to a place, where
it won’t be covered by environment or passing people in any me during the measurement. The recommended
posion of the black body is in the upper le or right corner of the thermal image.
Aer you power up the black body, you will see red LED light blinking. This is an indicaon that the black body
is heang up to the calibrated temperature 40C. Once the calibrated temperature is achieved, the LED turns to
the constant green color. When the black body is cooling down, the LED is blinking blue.
Aer the black body is sufficiently heated up and the LED is colored green, you need to set the ROI (region
of interest) of the black body. To set the ROI of the black body, turn on the camera and go to the MENU ->
FUNCTIONS -> SET BLACK BODY ROI. Aer you select this opon with ENTER key, the menu will close. You can
then use arrow controls (UP, DOWN, LEFT, RIGHT) or number controls (8, 2, 4, 6) to move the posion of the
Black Body. The Black Body ROI should be posioned in the center of the Black Body as seen in the Thermal
view. Aer you are done placing the ROI press ENTER key to save the posion or BACKSPACE key to cancel the
posion placing.
The camera assumes, that the black body remains on the set posion, and remembers this posion aer reboot.
If the posion of the black body changes, you need to inialize the black body ROI again. If the measured tem-
perature in the ROI changes quickly by a higher step than ACCEPTANCE SPAN, the camera detects it as passing
object and refuses new value. This is indicated by showing either ”Black body warning” or ”Black body error” in
the INFORMATIONAL PANEL.
9.1 Camera Calibraon
The Workswell MEDICAS is shipped with calibraonal black body. It should always be used only with correctly
calibrated black body. The MEDICAS performs offset calibraon of measured temperatures based on the mea-
sured temperature value of the black body. This calibraon is performed automacally every 2 seconds. If the
difference between measured and expected temperature of the black body is greater than the set threshold
(ACCEPTION SPAN), the camera asumes that the the view of the black body is blocked and does not calibrate.
When this happens, Black body warning is displayed in INFORMATION PANEL. If the assumed view is not restored
in 5seconds, Black body error is displayed. If the user is sure that the black body works properly and is visible for
the camera and sll the Black body error is displayed, or if the measurment have obviously some offset, FORCE
CALIBRATION is required. That can be achieved by pressing MENU -> FUNCTIONS -> FORCE CALIBRATION.
In order for calibraon to work properly, it is necessary to set the posion of Black Body ROI.
Note: The ACCEPTION SPAN can be set between 1°C and 2.9°C or OFF. Recommended set value is 2°C.
E-mail and Web
[e-mail]
www.workswell.eu
Mobile:
[phone]
ID:
Reg. No.: 29048575
VAT No.: CZ29048575
Headquarters
U Albrechtova vrchu 12
155 00, Prague 13
Czech Republic
Revision 1.2.0 EN, 28th May, 2020
All pictures are only for illustraon.
Real values may vary.
19