Thermal Imaging Arrays - Boston Electronics...2020/06/01 · Overview Infrared Thermopile Array...
Transcript of Thermal Imaging Arrays - Boston Electronics...2020/06/01 · Overview Infrared Thermopile Array...
The FOV can be easily calculated, according to the ray law
f= focal length of the lensP=Pitch of the sensitive elementsNCol/Row=Number of elements in Column or Row, depending if the FOV in horizontal or vertical direction should be calculated
Due to spherical aberrations we will provide detailed information concerning field curvature and distortion, if required.
If the application requires different types of coatings, we can also provide these, including LWP and band pass filters.
Ove
rvie
w In
frar
ed T
herm
opile
Arr
ay S
enso
rs HTPA Series Standard Optics
TO46 TO39 TO8
HTPA
8x8d
HTPA
16x4d
HTPA
16x16d
HTPA
32x32d
HTPA
80x64d
IR L0.8/0.8[Si]F5.0 47°X
47°
IR L1.6/0.8[Si]F5.0 54°X
54°
105°X
105°
IR L1.8/0.7[Ge]ARC 93°X
93°
IR L2.1/0.8[Si]F5.0 23°X
23°
120°X
30°
45°X
45°
90°X
90°
IR L3.6/0.9[Si]uncoated 60°X
15°
IR L4.0/0.7[Ge]F7.7 40°X
40°
IR L5.0/0.85[Ge]F7.7 33°X
33°
IR L5.5/1.1[Si]uncoated 35°X9°
IR L3.9/0.8[Ge]ARC 120°X
90°
IR L4.8/0.8[Ge]ARC 90°X
70°
IR L10/0.7[Ge]F7.7 41°X
33°
IR L10/0.85[Ge/Si]F7.7 38°X
32°
IR L10.5/0.95[Ge]F7.7 39°X
31°
IR L21.5/0.9[Si/Ge]ARC 19°X
15°
Modifi cations reserved Rev.15 / 04.042019
HT
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Sta
nd
ard
pa
rts
wit
h s
ho
rte
r d
eli
ve
ry t
ime
Avai
able
par
ts in
sam
ple
quan
titie
s--
- Par
ts n
ot in
ass
ortm
ent /
not
ava
ilabl
e*
estim
ated
NET
D**
on
requ
est
Ove
rvie
w In
frar
ed T
herm
opile
Arr
ay S
enso
rs
Infra
red
Ther
mop
ile A
rray
Sen
sors
The HTPA80x64d is the bigger brother of the 32x32dinfraredarray sensor with a resolution of 80x64 pixel insidea TO8housing.Due to the digital SPI interface only 6 pins are needed. Ithas abuilt-in EEPROM to store all calibration data and a16-bitADC.Thespeedcanbeset internallyvia thesensorclockand ADC-resolution between 20 Hz (highest resolution)and 41 Hz (lower resolution).
Dimensions
Characteristics
AvailableOptics
HTPA80x64dInfrared Thermopile Array Sensors for Remote Temperature Measurement and Imaging Applications
Parameter Value Tolerance Unit
Supply voltage (DC) 3.3 +0.3/-0.0 V
Currentconsumption 26 +/-5.0 mA
Clock frequency (Sensor) 5 ± 3 MHz
Ambient temperaturerange -20 to85 °C
Object temperaturerange -20 to>1000 °C
Framerate (full frame) 1 to41 Hz
Framerate (quarterframe) 4 to164 Hz
NETD (bestoptics) 230/70* mK@1Hz
*: NETD valid for UHi version
Pin Configuration (SPI)
Pin Function
1 3.3 VSupply
2 Ground
3 EE_Enable
4 MISO
5 MOSI
6 SCLK
3
2
1
4
5
6
Picture of a face profile
Modifications reserved Rev.15/ 04.04.2019
Optic L3.9 L4.8 L10 L10.5 L21.5 L33*
FoV[°] 120x90 90x70 41x33 39x31 19x15 12x9
Length of cap[mm] 12.6 14.6 25.7 24.1 35.8 46
Diameterofcap[mm] 20 20 23 23 28 37
F-number 0.8 0.8 0.7 0.95 0.9 1.05
* Only on request
The HTPA32x32d is an infrared array sensor with a resolution of 32x32 pixel in a TO39 housing. Due to the digital I²C interface only 4 pins are needed. It has a built-in EEPROM to store all calibration data and a 16-bit ADC. The speed can be set internally via the sensor clock and ADC-resolution between 15 Hz (highest resolution) and 27 Hz (lower resolution).
Dimensions
Characteristics
Available Optics
HTPA32x32dInfrared Thermopile Array Sensors for Remote Temperature Measurement and Imaging Applications
Pin Confi guration*
Parameter Value Tolerance Unit
Supply voltage (DC) 3.3 +0.3/-0.0 V
Current consumption 5.5 ± 1.0 mA
Clock frequency (Sensor) 5 ± 3 MHz
Ambient temperature range -20 to 85 °C
Object temperature range -20 to >1000 °C
Framerate (full frame) 2 to 27 Hz
Framerate (quarter frame) 8 to 110 Hz
NETD (best optics) 140 mK@1HzPin Function
1 Clock (I²C)
2 3.3 V Supply
3 Ground
4 SDA (I²C)
* HTPA32x32L2.1, TO39 housing (other optics are available)
Picture of a face profi le, taken with the HTPA32x32d L5.0
Optic L1.6
[Si]
L1.8
[Ge]
L2.1
[Si]
L4.0
[Ge]*
L5.0
[Ge]*
L5.0
[Ge]**
FoV [°] 105 93 90 40 33 33
Length of cap [mm] 4.3 7.3 4.45 16.3 7.63 10.41
F-number 0.8 0.7 0.8 0.7 0.85 0.85
*: Ge optics ensure the best performance thus command a higher price.**: Same optics but an external aperture for better performance is added.Other optics are available upon request.
Infr
ared
The
rmop
ile A
rray
Sen
sors
Modifi cations reserved Rev.09 / 04.04.2019
HTPA32x32L2.1,TO39 housing
The HTPA16x16d is an infrared array sensor with a resolution of 16x16 pixel in a TO39 housing. Due to the digital I²C interface only 4 pins are needed. It has a built in EEPROM to store all calibration data and a 16-bit ADC. The speed can be set internally via the sensor clock and ADC-resolution between 40 Hz (highest resolution) and 70 Hz (lower resolution).
Dimensions
Characteristics
Available Optics
HTPA16x16dInfrared Thermopile Array Sensors for Remote Temperature Measurement and Imaging Applications
Pin Confi guration
Parameter Value Tolerance Unit
Supply voltage (DC) 3.3 + 0.3/-0.0 V
Current consumption 3.5 ± 1.0 mA
Clock frequency (Sensor) 5 ± 3 MHz
Ambient temperature range -20 to 85 °C
Object temperature range -20 to >1000 °C
Framerate (full frame) 2 to 70 Hz
Framerate (half frame) 8 to 140 Hz
NETD 160 mK@1Hz
Pin Function
1 Clock (I²C)
2 3.3 V Supply
3 Ground
4 SDA (I²C)
Picture of 2 persons
Infr
ared
The
rmop
ile A
rray
Sen
sors
Optic L1.6
[Si]
L2.1
[Si]
FoV [°] 54 45
Length of cap [mm] 4.3 4.45
F-number 0.8 0.8
Other optics are available upon request.
Modifi cations reserved Rev.04 / 04.04.2019
HTPA16x16L2.1,TO39 housing
The HTPA8x8d is the world smallest infrared array sensor with a resolution of 8x8 Pixel inside a TO46 housing. Due to the digital I²C interface only 4 pins are needed. It has a built-in EEPROM to store all calibration data and a 16-bit ADC. The speed can be set internally via the sensor clock and ADC-resolution between 89 Hz (highest resolution) and 160 Hz (lower resolution).
Dimensions
Characteristics
Available Optics
HTPA8x8dInfrared Thermopile Array Sensors for Remote Temperature Measurement and Imaging Applications
Pin Confi guration
Parameter Value Tolerance Unit
Suppy voltage (DC) 3.3 + 0.3/-0.0 V
Current consumption 1.8 ± 0.5 mA
Clock frequency (Sensor) 5 ± 3 MHz
Ambient temperature range -20 to 85 °C
Object temperature range -20 to >1000 °C
Framerate 7 to 160 Hz
NETD ca. 115 mK@1HzPin Function
1 SDA (I²C)
2 Clock (I²C)
3 3.3 V Supply
4 Ground
Picture of a person with raised arms
Optic L0.8
(TO46)*
L2.1
(TO46)
L0.8
(TO39)
FoV [°] 47 23 47
* Only on request
Infr
ared
The
rmop
ile A
rray
Sen
sors
Modifi cations reserved Rev.08 / 04.04.2019
HTPA8x8L2.1,TO46 housing
HTP
A Ap
plic
tion
Set
For thermal imaging and easy evaluation of our arrays, we designed an application set in a modular metal housing for better handling. The modules fi eld of view depends on the built-in lens and can be varied on demand. The object temperature range depends on the array type and lens.For every array type we also provide a matching application set in our portfolio, which allows full sensor control. The application set processes the data and communicates via Ethernet/UDP to a PC. On PC side, the data stream can be visualized and logged with a Graphical User Interface. The given software allows the user to instantly start with sensor evaluation, measurements and testing.
Applications
Instant Visualization
Modifi cations reserved Rev.7 / 04.04.2019
Array moduleInterface cableUSB cable for power supplyTripodGraphical User Interface (GUI) for visualization
Person detectionFire detectionHotspot detectionEnergy managementSecurity camerasIndustrial process controlAir condition controlPosition detection
Quick Start Application SetRead-out Circuit for Instantaneous Sensor Evaluation
Benefi ts
Low-cost TO8/TO39/TO46 housingResolutions 8x8d/ 16x16d/ 32x32d/ 80x64d/ 84x60d/120x84d availableLow power consumptionShort time constantHigh sensitivity of the systemNo need for shutter and thermal stabilization
Features
Communications via UDP (Ethernet)False color images with auto scalingSelectable frame rateData log modeContrast adjustmentInterpolationTemperature displaySeveral lenses for diff erent fi elds of view
Included in Delivery
Diameter 28 mm; length approx. 55 mm (lengthdepends on chosen lens)
Module Dimensions
Setup
Thermal Imaging Pictures
HTP
A Ap
plic
tion
Set
The HTPA Application Set comes with our new comprehensive Graphical User Interface (GUI) “ArraySoft v2”, which provides a lot of features and is constantly updated. It can be used with our digital HTPA Application Sets and enables instant visualization of your measurement data and a quick start for feasibilty studies. Other applications are possible, too.
Features
Instant Visualization
Heimann Sensor ArraySoft v2Graphical User Interface for HTPA Application Sets
Picture of a face profi le
Modifi cations reserved Rev.1 / 04.04.2019
Complete control of the deviceMultiple, sensor-type independent devices can becontrolledThe data stream of 10 devices can be displayed at the same timeHistogramSelectable temperature or voltage profi leFilter features: IIR, FIR, Median, adaptive averaging,averagingMinimum and Maximum Temperature / Voltage infoSuitable for all digital HTPA types (8x8d to 120x84d)Frames per second indicatorAlignment for off set corrected framesTemperatures in Kelvin, degree Fahrenheit or degreeCelsiusIR-Frame can be mirrored in both axisSingle Pixel information accessibleTemperature calculation based on object emissivityScreenshot ability (JPG or ASCII data)Make your own “thermal movie”Time lapse option for videosAlarm feature
Many diverse and self designable color scalesAuto and manual scaling (9 scaling modes)Temperature and voltage modeData streaming into fi lesAVI exportInterpolation mode (up to 8x, bicubic/bilinear)
Application Note Cleaning and Handling of Sensors
Application Note Cleaning and Handling Rev04 Page 1 of 3
Cleaning and Handling of Sensors with Optical Elements
Cleaning of Filter with Isopropyl Alcohol or Acetone This is the method most universally used for cleaning optical elements with or without coatings. Filters or lenses mounted in our sensors may be cleaned rubbing the surfaces lightly with a clean, soft, all-cotton cloth or cotton swab during immersion in solvent or simply moistened with the solvent. The parts are then immediately wiped dry with another clean, soft, all-cotton cloth or cotton swab.
Cleaning with Detergent and Water A very mild, non-abrasive detergent (one which does not contain additives) and water may also be used for cleaning optical elements. In general, a detergent and water mixture is an excellent method for removing fingerprints and other smudges. The liquid detergent is first mixed with deionized water (proportions recommended by the manufacturer should be followed). The element is then washed, rinsed, and immediately wiped dry. Use a clean, soft cloth when cleaning and drying. If the part is allowed to dry in air, a permanent stain may result. Please note:
Do not use isopropyl alcohol or acetone or detergent if the elements will be mounted in an assembly with a finish which may be soluble by these solvents.
Please avoid glass isolation being moistened by solvent. If the part is allowed to dry in air, a permanent stain may result.
Handling Advises
Sensors with optical elements deserve special consideration in their handling and care. Ordinarily, filters or lenses are cleaned and inspected prior to shipment. If proper care is exercised during handling cleaning should not be necessary prior to use.
Wear gloves when handling a sensor or optical element. Lightweight nylon or cotton gloves which are relatively lint-free are recommended.
Avoid touching the surface of filters and lenses. Protect devices from static discharge and static fields. Thermopile sensors are electrostatic sensitive devices. Sensors should be handled over an
electrostatic protected work area. Precautions should be taken to avoid reverse polarity of power supply for sensors with integrated
signal processing. Reversed polarity of power supply results in a destroyed unit. Sensors should rest preferably in a partitioned container where the mounted filters or lenses will
be not coming into contact with other material. During storage optical surfaces should be covered to avoid contamination from the surrounding
environment. A covered container can eliminate damage during transportation and storage. Sensors or optical elements should be stored in a restricted access area to eliminate handling by
untrained personnel. Do not expose the sensors to aggressive detergents such as freon, trichlorethylen, etc. Avoid rotating the sensors when they are soldered into a PCB or something similar Shortening of the pins is not suggested. This may cause cracks in the glass of the pins and result
in a leakage. If this is necessary, a tool for this is recommended. Please contact Heimann Sensor for
further information.
Application NoteCleaning and Handling of Sensors
Application Note Cleaning and Handling Rev04 Page 2 of 3
Soldering Recommendations
Attention: For all of our array sensors we give no guarantee on the calibration and its performance if the pins are shortened by the customer. Additionally we strongly recommend to not soldering the sensor with its back plate directly to a PCB. This will cause different thermal conductivity compared to air and the measurement results could get worse. Use a minimum gap between PCB and backplate of 2mm or more. The glass of the pins to the back plate can get damage by applying high temperatures (during soldering), which will lead into a lower temperature reading what cannot be repaired afterwards.
Manual Iron Soldering and Automatic Point-to-Point Iron Soldering
Manual Iron Soldering and Automatic Point-to-Point Iron Soldering methods are allowed for TO packages. It is recommended for through hole applications to shield the package body from soldering heat by PCB or similar. The soldering iron temperature should be set as low as possible (maximum 350C) and should not exceed recommended soldering time (maximum 5 seconds).
Wave Soldering
Wave soldering is not recommended for Surface Mounted Device packages. Wave soldering is allowed for through hole application. A pre-heating step is required and should be performed in accordance with international standard recommendations. For TO packaged products, during the pre-heat and soldering phase, the temperature of the body shall not exceed 170°C.
Reflow Soldering
Reflow techniques can be used to solder Surface Mounted Device packages. Temperature profile should conform to those described in Jedec-020 standard (recommended reflow furnace profile below). Reflow soldering creates a risk for exposing the sensor body to excessive temperatures around and above the TG of used epoxies. Process validation has been carried out by samples exposed to maximum temperature of below furnace profile.
Thermal Profile for Reflow Soldering
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Disclaimer Although these Recommendations are presented in good faith and believed to be correct, Heimann Sensor makes no representations or warranties as to the completeness or accuracy of these recommendations. The recommendations therefore are supplied upon the express condition that the persons and/or
Application NoteCleaning and Handling of Sensors
Application Note Cleaning and Handling Rev04 Page 3 of 3
companies receiving them will make their own determination as to the suitability of these recommendations for the intended purposes prior to use. In no event will Heimann Sensor be responsible for damages of any nature whatsoever resulting from the use of or reliance upon the recommendations. No representations or warranties, either express or implied, of fitness for a particular purpose or of any other nature are made hereunder with respect to these recommendations. Notwithstanding any other provision in these recommendations, the customer will remain solely responsible for its soldering process.
Visible camera HTPA 64x62Exhibit hall
HTPA 82x62Coffee mug on warmer
HTPA 32x31Hand gesture recognition
HTPA 82x62Hand with watch and ring
HTPA 64x62Group photo
HTPA 64x62Portrait of the boss
HTPA 82x62Fever detection