at a Glance · MWI LWI I Gamma X-Ray UV Infrared Microwaves Radiowaves SWI nm nm nm nm nm m m m mm...
1
M e a s u r e m e n t P r i n c i p l e S p e c i a l A p p l i c at i o n s C a m e ra S e l e c t i o n C r it e ri a S t a n d a r d A p p l i c a t i o n s Infrared camera Measured radiation Φ M Output of Radiation Φ‘ o Emitted by the measurement path Φ P Input of radiation Φ o Path τ P , θ P Reflected radiation Φ P Emitted radiation Φ ε Transmitted radiation Φ τ Object θ o , ε, ρ, τ Ambient θ u Background radiation Φ BG Object Background θ BG Infrared Thermography at a Glance MWIR LWIR FIR X-Ray Gamma UV Infrared Microwaves Radiowaves SWIR 1 nm 10 nm 1 μm 10 μm 100 μm 10 mm 100 mm 10 m 100 m 0.1 nm 0.01 nm 100 nm 1 mm 1 m 1 km 100 nm Wavelength 1 μm 10 μm 100 μm 1 mm Visible Thermal infrared Terahertz Electronics Automotive … and yours? InfraTec GmbH Infrarotsensorik und Messtechnik Gostritzer Straße 61 – 63 01217 Dresden / GERMANY Phone +49 351 871-8630 Fax +49 351 871-8627 E-mail [email protected] Internet www.InfraTec.eu Spectrum of Electromagnetic Radiation Thermographic Measurement Situation Defect IR-radiation IR-camera Internal Excitation Electrical Induction Ultrasound Optical External Excitation Thermal Optical Triggering Pulse phase Lock-In Test object Camera control Image data processing Supply Emission ε + Reflection ρ + Transmission τ = 1 Planck's Radiation Law and Wien's Displacement Law Bulb, on glass Measurement on a resistor Bulb, through glass Cooled photon detector camera Uncooled microbolometer detector camera Open Grey filters Spectral filters Aperture Use of spectral filters in flexible filter wheels inside the thermographic camera Precise radiometric calibration For best-certified measurement accuracy from (-40 … 3,000) °C, ± 1 °C or ± 1 % Optics Microscopic lenses, wide-angle lenses, telephoto lenses, zoom lenses Interfacing Industrial standards like GigE / 10 GigE, fast and ultra-precise triggering, analogue / digital data input Software Convenient camera control, real-time data acquisition and analysis Thermal resolution Thermal resolution as low as 0.015 K Spatial resolution Detector formats with up to (1,920 × 1,536) IR pixels Time resolution Analysis of high-speed dynamic temperature changes and processes 25,000 Hz Spectral Thermography – Provides Material-specific Precision Measurements Active Thermography – Find Anomalies with Thermal Resolution in Millikelvin Range Tool construction Internal trigger interface Camera control and output of control signals for external devices Represented by: Design and specification subject to change without prior notice. © InfraTec 2019 (All the stated product names and trademarks remain in property of their respective owners.) Picture credits: © iStock.com / voraorn, LianeM Aerospace Airborne Watch some videos illustrating what thermography is used for: Stress analytics Natural sciences With friendly support of: Passive thermography Visual image Lock-in Thermography
Transcript of at a Glance · MWI LWI I Gamma X-Ray UV Infrared Microwaves Radiowaves SWI nm nm nm nm nm m m m mm...
Mea
sure
ment P
rinciple Special Applications
Camera Selection Criteria Standard Applic
atio
ns
Infraredcamera
Measured radiation ΦM
Output of Radiation Φ‘o
Emitted by themeasurement path ΦP
Input of radiation Φo
PathτP, θP
Re�ected radiation ΦP
Emitted radiation Φε
Transmitted radiation Φτ
Objectθo, ε, ρ, τ
Ambient θu
Background radiation ΦBG
Object Background θBG
Infrared Thermographyat a Glance
MWIR LWIR FIR
X-RayGamma UV Infrared Microwaves Radiowaves
SWIR
1 nm 10 nm 1 μm 10 μm 100 μm 10 mm 100 mm 10 m 100 m0.1 nm0.01 nm 100 nm 1 mm 1 m 1 km
100 nmWavelength 1 μm 10 μm 100 μm 1 mm
Visible Thermalinfrared
Terahertz
Electronics
Automotive
… and yours?
InfraTec GmbHInfrarotsensorik und MesstechnikGostritzer Straße 61 – 6301217 Dresden / GERMANY
Phone +49 351 871-8630Fax +49 351 871-8627E-mail [email protected] www.InfraTec.eu
Spectrum of Electromagnetic Radiation
Thermographic Measurement Situation DefectIR-radiation IR-camera
Internal Excitation
Electrical
Induction
Ultrasound
Optical
External ExcitationThermal Optical
Triggering
Pulse phaseLock-In
Test object
Camera controlImage data processingSupply
Emission ε + Reflection ρ + Transmission τ = 1
Planck's Radiation Law and Wien's Displacement Law
Bulb, on glass
Measurement on a resistor
Bulb, through glass
Cooled photon detector camera
Uncooled microbolometer detector camera
Open
Grey filters
Spectral filters
Aperture
Use of spectral filters in flexible filter wheels inside the thermographic camera
Precise radiometric calibrationFor best-certified measurement accuracy from (-40 … 3,000) °C, ± 1 °C or ± 1 %
OpticsMicroscopic lenses, wide-angle lenses, telephoto lenses, zoom lenses
InterfacingIndustrial standards like GigE / 10 GigE, fast and ultra-precise triggering, analogue / digital data input
SoftwareConvenient camera control, real-time data acquisition and analysis
Thermal resolutionThermal resolution as low as 0.015 K
Spatial resolutionDetector formats with up to (1,920 × 1,536) IR pixels
Time resolutionAnalysis of high-speed dynamic temperature changes and processes
25,000Hz
Spectral Thermography – Provides Material-specific Precision Measurements
Active Thermography – Find Anomalies with Thermal Resolution in Millikelvin Range
Tool constructionInternal trigger interfaceCamera control and output of control signals for external devices
Represented by:
Des
ign
and
spec
ifica
tion
subj
ect t
o ch
ange
with
out p
rior n
otic
e. ©
Infr
aTec
201
9 (A
ll th
e st
ated
pro
duct
nam
es a
nd tr
adem
arks
rem
ain
in p
rope
rty
of th
eir r
espe
ctiv
e ow
ners
.) Pi
ctur
e cr
edits
: © iS
tock
.com
/ vo
raor
n, L
iane
M
Aerospace
Airborne
Watch some videosillustrating what
thermography is used for:
Stress analytics
Natural sciences
With friendly support of:
Passive thermographyVisual image Lock-in Thermography
![T Madas. The metric unit of length is the metre [ m ] Smaller units are the: ( centimetre) cm ( millimetre ) mm ( micrometre ) mm ( nanometre ) nm.](https://static.fdocument.org/doc/165x107/5a4d1b8a7f8b9ab0599be5b3/t-madas-the-metric-unit-of-length-is-the-metre-m-smaller-units-are-the-centimetre.jpg)
