Page 1 FOTRIC Handheld Acoutherm Imager User Manual FOTRIC INC. June, 2024...
Page 2 1 Preface Symbols Warnings Caution Potential death Potential danger or serious injury of injury or property inducing hazards damage Safety Information The purpose of this content is to ensure that the user uses this product properly to avoid danger or property damage. Before using this product, please read this instruction manual carefully and keep it in a safe place for future reference.
Page 3 Acoutherm Imaging Camera User Manual If the unit is not working properly, please contact your dealer or our company and  do not disassemble or modify the unit in any way (unauthorized modifications or repairs cause problems at your own risk). Attention: Avoid using the product in humid, dusty, extremely hot or cold environments, see ...
Page 4 Acoutherm Imaging Camera User Manual fields. When shipping the camera, it is highly recommended that it be shipped and  protected in factory packaging.
Page 5 Acoutherm Imaging Camera User Manual Table of Content PREFACE ..........................2 ACOUTHERM IMAGER COMPONENTS................ 11 ............................11 RONT ............................12 ............................13 ............................14 IGHT ............................15 OPERATION GUIDE ......................15 ........................15 HARGING THE ATTERY ................16 URNING THE COUTHERM MAGER ON AND OFF ...................
Page 6 Acoutherm Imaging Camera User Manual 3.14 (NUC) ......................... 27 ALIBRATION MAIN INTERFACE ......................28 ......................28 HERMAL IMAGING INTERFACE 3.1.1 Overview ............................28 1. Status bar ................................28 2. Measurement results ............................29 3. System menu ..............................29 4. Measurement parameters ..........................29 5.
Page 7 Acoutherm Imaging Camera User Manual 5.2.1 IRExplorer ............................ 83 5.2.2 WLAN (Wi-Fi) ..........................84 5.2.3 Portable hotspot ........................86 5.2.4 Bluetooth ............................. 87 5.2.5 FTP data transfer........................88 ) ................. 89 EMPERATURE ANGE ONLY VISIBLE IN MODE & S ......................90 TORAGE AVING PTIONS...
Page 8 Acoutherm Imaging Camera User Manual 4.6.5 Manual mode ..........................107 AC D ..........................108 EVICE 4.7.1 Leak parameters ........................109 4.7.2 AC focus range ........................... 110 4.7.3 Frequency config ........................110 4.7.4 Show dB value ..........................112 4.7.5 AC frequency ..........................112 4.7.6 SPL normalization ........................
Page 9 Acoutherm Imaging Camera User Manual 5.2.2 Measurement tools........................124 5.2.3 Favorite ............................125 5.2.4 Voice annotation ........................125 5.2.5 Text annotation .......................... 125 5.2.6 Tag ..............................125 GALLERY ........................125 ............................126 AVORITE ............................... 127 ILTER ...................... 128 MAGE AND IDEO ILES ....................
Page 10 Acoutherm Imaging Camera User Manual 11.1 ............................151 UMMARY 11.2 ...................... 151 LECTROMAGNETIC PECTRUM 11.3 ..........................152 NFRARED IGHT 11.4 ........................ 152 TMOSPHERIC INDOW 11.5 ) ............... 153 LACK ADIATION IN THERMODYNAMICS 11.6 ..........................154 LANCK 11.7 ......................155 TEPHEN OLTZMANN MATERIAL EMISSIVITY TABLE ..................
Page 11 Acoutherm Imaging Camera User Manual 2 Acoutherm Imager Components Front View ② ① ③ ④ ⑩ ⑤ ⑨ ⑧ ⑥ ⑦ ① Speaker ⑦ AI button ② Status light ⑧ Confirm button and arrow keys ③ 5'' LCD screen ⑨ Back button ④...
Page 12 Acoutherm Imaging Camera User Manual Rear View ② ③ ① ④ ⑤ ⑥ ⑦ ① Digital camera ⑤ Autofocus button ② LED flash light ⑥ Freeze image and snapshot button ③ Laser ranger ⑦ Battery ④ Lens cap 12 /166...
Page 13 Acoutherm Imaging Camera User Manual Left View ④ ① ② ③ ① SD card socket ③ Wrist strap ② Wrist strap bracket fixing point ④ Acoustic module 13 /166...
Page 14 Acoutherm Imaging Camera User Manual Right View ① ② ③ ④ ⑤ ① Micro-HDMI interface ④ Wrist strap bracket fixing point ② USB Type-C interface ⑤ Wrist strap ③ Power Supply interface 14 /166...
Page 15 Acoutherm Imaging Camera User Manual Top View ① ② ① Microphone array ② Digital camera 3 Operation Guide Charging the Battery Note: Please charge the battery with accompanying battery charging dock. LED indicator lamp on the accompanying dual battery charger 15 /166...
Page 16 Acoutherm Imaging Camera User Manual Signal Type Meaning The LED flashes in green/ glows The battery is charging continuously in red The LED glows continuously in The battery is fully charged green Turning the Acoutherm Imager on and off  To turn on the imager, long press the Power Button ...
Page 17 Acoutherm Imaging Camera User Manual  To focus far, rotate the focus ring clockwise (with the LCD screen facing towards the user);  To focus near, turn the focus ring counterclockwise (with the LCD screen facing towards). 17 /166...
Page 18 Acoutherm Imaging Camera User Manual TurboFocus Focusing System FOTRIC TurboFocus auto focus system supports thermal image contrast focus and laser distance focus modes. 1) Thermal image contrast focus: The focus system performs Autofocus based on maximizing optimize the thermal image contrast;...
Page 19 Acoutherm Imaging Camera User Manual Continuous Autofocus When the continuous Autofocus function is turned on, the thermal imager will continuously and automatically adjust the focal length according to the measured objects at different distances in the scene by performing thermal image contrast or laser distance.
Page 20 Acoutherm Imaging Camera User Manual to complete the replacement; 3. The imager automatically recognizes new lenses and performs temperature calibration to ensure temperature measurement accuracy. 4. 7-degree ultra-telephoto lens can also be part of the product configuration. Switching to the 7-degree lens will disable the visible light mode, picture-in- picture and T-DEF blend modes.
Page 21 Acoutherm Imaging Camera User Manual Data Transfer through USB Connection The acoutherm camera can be connected to a computer with a USB cable. Once the connection is established, image and video files can be transferred from the memory card to the computer. Operating Procedure: 1.
Page 22 Acoutherm Imaging Camera User Manual the distance to a target by measuring the time it takes for a laser pulse to reach the target and return to the laser receiver. This time is converted to distance, which is displayed on the screen. The laser emitter also works as a laser pointer.
Page 23 Acoutherm Imaging Camera User Manual 3.10 Measuring Areas To measure areas, add a temperature measurement rectangle or circle on the screen. The thermal imager will calculate the area of the rectangle or circle, according to the distance of the target. When the laser distance meter is turned on, a laser dot can be seen on the measured target.
Page 24 Acoutherm Imaging Camera User Manual from the imager, which can lead to measurement errors. 3.11 Measuring length To measure the length, add a temperature measurement line on the screen. The imager will calculate the length of the line based on the measured distance to the target.
Page 25 Acoutherm Imaging Camera User Manual ! Note: Avoid aiming areas with multiple complex targets at different distances from the imager, which can lead to measurement errors. 3.12 AI Button (Programmable Key) AI function operation is divided into two cases, light press operation will execute the function bound to the corresponding AI key, if the function is not bound then the default defined function will be executed.
Page 26 Acoutherm Imaging Camera User Manual The main interface AI key function include: switching temperature range, palette preview, switching temperature span mode, NUC calibration and switching image mode.  Freeze interface AI function Freeze interface AI key function include: favorite, Voice Annotation, Text 26 /166...
Page 27 Acoutherm Imaging Camera User Manual Annotation, Tag and QR Tag.  Gallery Analysis Interface AI function Gallery Analysis Interface AI function include: Favorite, Voice Annotation, Text Annotation, Tag, QR Tag, Palette Preview, Switch Scale mode, and Switch Image Mode. 3.13 Gallery Press the Gallery button on the top right of the control panel to enter the Gallery as shown below.
Page 28 Acoutherm Imaging Camera User Manual The NUC can be executed automatically, e.g. at startup, when changing the measuring range. To perform a manual NUC, press and hold the Gallery button for more than 2 seconds. 4 Main Interface Thermal imaging interface 3.1.1 Overview 2 Measurement result 1 Status...
Page 29 Acoutherm Imaging Camera User Manual Displays read-only information: • Battery percentage: charging status can be displayed. • Location • Temperature measurement range • Laser status: displayed when the laser is activated • Date &Time • Logo • Warning icon for SD card low storage capacity: displayed when SD card storage is less than 100MB..
Page 30 Acoutherm Imaging Camera User Manual temperature measurement distance and transmittance. The display status can be configured, see parameter display configuration in Setup for specific operational definitions. 5. Color palette The right side displays the currently used palette color band and shows the upper and lower temperature width limits.
Page 31 Acoutherm Imaging Camera User Manual Figure 5-2 Swipe from top to bottom on the screen to pull down the system swipe-down menu. The menu mainly displays the status of the functions included in the system, and tapping the corresponding icon will turn on/off the corresponding function. The drop-down menu contains: WiFi, Bluetooth, Flashlight, Hide Overlay, SR (Super Resolution), Volume, Brightness.
Page 32 Acoutherm Imaging Camera User Manual 3.1.2.1 Hide all overlays Image overlay information includes measurement result table, temperature measurement parameters, ROI settings and system menu button. Overlay information can be "hidden" in swipe-down menu. Display overlay information Hide overlay information 32 /166...
Page 33 Acoutherm Imaging Camera User Manual 3.1.3 Real-time digital zoom The real time image and video can be scaled using the digital zoom function of the acoutherm imager. Operating Procedures • Zoom in: Touch the screen with two fingers and spread the fingers apart. •...
Page 34 Acoutherm Imaging Camera User Manual distance, IR window compensation; Image modes: thermal image, digital camera image, picture-in- picture, blend(T-DEF); ROI temperature measurement tools: Spot, Rectangle, Temperature Rise, Delete, Display Settings, More Settings (Line, Circle, Selection); Palette: The first row displays the common color palettes Iron, Grey, RainBow, Rain, Medical, GreyRed, and the second row displays Above Alarm Temperature, Below Alarm Temperature, Alarm Temperature Interval;...
Page 35 Acoutherm Imaging Camera User Manual The acoutherm imager supports auto scale, manual scale and touch-screen scale modes. Auto scale mode In Auto Scale Mode, the upper and lower temperature scale limits can be automatically adjusted to achieve the best image effect. In TWB mode, they are the highest and lowest of the histogram range, not the on-screen.
Page 36 Acoutherm Imaging Camera User Manual Max/Min mode Manual Adjustment Mode is set to Maximum/Minimum, which allows users to adjust the upper and lower limits of the temperature width separately. 1. After selecting the manual temperature width, click on the upper and lower values of the temperature span to lock the span.
Page 37 Acoutherm Imaging Camera User Manual 2. Slide the wheel up and down or press the up and down arrow keys to adjust the upper and lower limit values of the temperature width in the selected state. Slide the pulley as shown below to adjust the upper and lower temperature width limits simultaneously: 37 /166...
Page 38 Acoutherm Imaging Camera User Manual Slide the pulley as shown below to adjust the lower limit value of temperature width: Slide the pulley as shown below to adjust the upper limit value of temperature width: As shown below the upper and lower temperature width limits are in a locked 38 /166...
Page 39 Acoutherm Imaging Camera User Manual state and are not adjustable: Temperature and width mode Select the temperature width mode, when manually adjusting the temperature width slide wheel or press the direction key can only adjust the upper and lower limits of the temperature width at the same time, the temperature width (difference between the upper and lower limits) value stays unchanged at a fixed value, as shown in the following figure:...
Page 40 Acoutherm Imaging Camera User Manual At this point, the upper and lower temperature width limits cannot be  selected individually, but can only be adjusted at the same time; Press the left and right arrow keys to adjust the temperature width value ...
Page 41 Acoutherm Imaging Camera User Manual refer to manual mode). 2. In Temperature span mode, the upper and lower limits of the temperature scale can only be adjusted at the same time, not separately. Press the left and right direction keys to adjust the temperature scale range. 3.1.4.2 Measurement parameters is the temperature measurement parameter button, which allows users to adjust the temperature measurement parameters of the acoutherm imager.
Page 42 This icon is the emissivity setting button. The emissivity settings of the FOTRIC acoutherm imager are categorized into two types: full-screen emissivity correction and zonal emissivity correction. For full-screen emissivity correction, please follow the steps below: 1.
Page 43 Acoutherm Imaging Camera User Manual manual to find them; 5. If this is also not recorded in the Material Emissivity table under this operation manual, please refer to the text description of how to set the emissivity of the acoutherm imager in this manual for instructions. ! Note: For partition emissivity correction, please refer to this manual for ROI partition setting emissivity.
Page 44 Acoutherm Imaging Camera User Manual temperature measurement. This icon is the reflected temperature setting button. To set the reflection temperature, perform the following steps: The actual temperature of the reflective source near the target is first tested with an acoutherm imager; Click the Reflective Temperature Setting button;...
Page 45 Acoutherm Imaging Camera User Manual This icon is the ambient temperature setting button. To set the ambient temperature, please perform the following steps: 1. Click the Ambient Temperature Setting button; 2. According to the actual air temperature in the test scenario, slide the ambient temperature value of the screen up and down to set the ambient temperature value to the actual air temperature value;...
Page 46 Acoutherm Imaging Camera User Manual Relative humidity The acoustic thermography compensates for the localized effects of the relative humidity of the air on the transmission of thermal radiation. Therefore, please set the relative humidity to the correct value. This icon is the relative humidity setting button. To set the relative humidity, please perform the following steps: 1.
Page 47 Acoutherm Imaging Camera User Manual Distance The measurement distance refers to the distance between the measured target and the lens of the acoutherm imager. This parameter is used to compensate for the following two situations: - Thermal radiation absorbed by the atmosphere between the target and the lens of the acoutherm imager in the thermal radiation from the target under test;...
Page 48 To set up IR window compensation, please perform the following steps: 1. Measurement of the actual transmittance of the external lens or external IR window, (usually carried out by FOTRIC's after-sales service department or by a qualified partner authorized by FOTRIC, accurate testing requires the use of a measurement standard source);...
Page 49 Acoutherm Imaging Camera User Manual 2. Click the IR Window Compensation Settings button; 3. Slide the screen up and down to select on; 4. Select the temperature of the external optical window/lens according to the actual situation; 5. Set the transmittance to the actual value by sliding the transmittance value (0.01- 1.0) on the screen up and down according to the actual transmittance measured;...
Page 50 Acoutherm Imaging Camera User Manual 3.1.4.2 Image mode The image modes of acoustic thermography can be categorized into thermal, visible light, picture-in-picture, and visible light thermometry modes. Click the (Image Mode) button to bring up the Image Mode submenu. Thermal image mode This icon is the thermal image mode button: displays an infrared image.
Page 51 Acoutherm Imaging Camera User Manual Picture-in-picture mode Picture-in-Picture Mode: Infrared thermal images are displayed superimposed on visible digital photographs. 2-When focusing the acoutherm imager automatically adjusts the position of the thermal image to automatically match the visible light. 3-Click on the edge of the thermal image screen to select the thermal image, as shown below: 51 /166...
Page 52 Acoutherm Imaging Camera User Manual 1. Click and drag the corners to adjust the thermal image coverage; 2. Click and drag on the center of the thermal image to adjust the position of the thermal image. ! Note: In picture-in-picture mode, please make sure that the infrared acoutherm imager is accurately focused, if the infrared thermal image is not clearly focused, it will affect the accuracy of the acoutherm imager's temperature measurement, and also when the visible light does not match the thermal image.
Page 53 Acoutherm Imaging Camera User Manual can be displayed directly on the visible light. If the transparency is adjusted to 0% for use, it is recommended to turn on the continuous focus function to ensure that the image overlaps and focuses sharply. ! Note: In visible light temperature measurement mode, please make sure that the infrared acoutherm imager is accurately focused.
Page 54 Acoutherm Imaging Camera User Manual This icon is a moveable point measurement button, click this button to increase the point measurement area; This icon is a movable rectangular area measurement button, click this button to increase the rectangular measurement area; This icon is the inter-phase temperature difference calculation button, click on this button to set the temperature difference calculation between the temperature measurement marks or the temperature difference calculation between the...
Page 55 Acoutherm Imaging Camera User Manual The name prefix for linear measurement areas is Li; the name prefix for point measurements is Sp. Select ROI To to select ROI, please perform the following steps: 1. Click directly on the ROI to be selected on the screen; 2.
Page 56 Acoutherm Imaging Camera User Manual This icon is the ROI selection button; This icon is an audible alarm button; This icon is the button to move the ROI position; This icon is the button to resize the ROI outline; This icon is the button to set the emissivity for the ROI partition; This icon is the button to delete the ROI.
Page 57 Acoutherm Imaging Camera User Manual to the desired location; 4. Tap the button to resize the ROI profile, and lightly press the four arrow keys "up, down, left, right" at the top right of the screen of the acoutherm imager to resize the ROI profile, or directly press and hold the ROI profile that needs to be resized on the touch screen ( just press one of the four rectangles on the ROI profile), and slide it up, down, left, right, or left on the touch screen to resize the ROI profile;...
Page 58 Acoutherm Imaging Camera User Manual To remove the selected ROI, do the following: 1. Tap directly on the touch screen on the ROI that needs to be deleted (e.g. Ar1); 2. Clicking on at the bottom of the screen displays the button icon for deleting the ROI 3.
Page 59 Acoutherm Imaging Camera User Manual To delete all ROIs, do the following: 1. On the touchscreen tap the System Menu button at the bottom of the screen; 2. Tap the Measurement Tools button that appears at the bottom of the screen; 3.
Page 60 Emissivity Table in the end of this manual. If the material type is not in the material emissivity table or unknown, please contact FOTRIC on how to set it. After the ROI partial emissivity set, click the other area of the screen or click the back button to complete.
Page 61 Acoutherm Imaging Camera User Manual ROI information can be set to display on screen, including maximum, minimum, average temperature and emissivity. 61 /166...
Page 62 Acoutherm Imaging Camera User Manual Temperature difference calculation This icon is the thermometry ROI identification temperature difference calculation button. 1． Click to set the temperature difference between the temperature measurement ROIs, or the temperature rise between the ROI and a reference temperature value. 2．...
Page 63 Acoutherm Imaging Camera User Manual Alarm This icon is the audible alarm setting button. High temperature alarm: When the designed temperature is higher than the preset high temperature threshold, the temperature value will turn red, and a sharp rapid beep sound can be set triggered to remind. Low temperature alarm: When the designed temperature is lower than the preset low temperature threshold, the temperature value will turn blue, and a sharp and intermittent beep sound can be set triggered to remind.
Page 64 Acoutherm Imaging Camera User Manual Click button at the bottom of the screen and select the sound alarm button. Choose high temperature alarm or low temperature alarm as required. Set maximum or minimum temperature in the region. In the temperature alarm bar on the screen, slide up and down to adjust the temperature threshold.
Page 65 Acoutherm Imaging Camera User Manual This button is for the Iron Red palette mode; This button is for black and white mode; This button is rainbow mode; This button is for spring rain mode; This button is the medical mode; This button is in red and gray mode;...
Page 66 Acoutherm Imaging Camera User Manual This button is a color alarm (isotherm) between temperatures and is generally used for quick screening of temperature anomalous areas of the target under test; This button is the Composite Palette Rainbow mode; This button is for the Composite Palette Iron Red mode; This button is a hidden button for more functions, as shown below: Invert the color button for the palette, invert it and click on the desired palette to switch directly to the selected palette.
Page 67 Acoutherm Imaging Camera User Manual Color alarm (isotherm) Isotherms are generally used to quickly screen for areas of temperature anomalies in the target under test. This acoutherm imager supports three types of isotherms, above temperature, below temperature, and between temperature. This button is a color alarm above the temperature (isotherm) and is generally used for quick screening of temperature anomalies in the area of the target being measured;...
Page 68 Acoutherm Imaging Camera User Manual 1. High temperature color alarm 4-Select temperature above for color alarm, users can select the value in the upper right corner, and adjust the value by pressing up and down buttons after it becomes blue. 2.
Page 69 Acoutherm Imaging Camera User Manual upper right corner, after it becomes blue, adjust the value by up and down buttons. 3. Interval temperature alarm Select temperature between for color alarms. The alarm between temperatures can be set separately for the lower and upper limits, and can be adjusted for values that turn blue by pressing the up and down buttons to modify the values.
Page 70 Acoutherm Imaging Camera User Manual Acoustic Imaging Interface 3.2.1 Overview 2 Diagnostic result 1 Status bar 4 Palette, frequency spectrum. 5 Image display 3 System menu 3.2.1.1 Status bar Status bar on the left side, all read-only information. Contains: logo, time, battery, Bluetooth, WiFi, compass, current temperature range, SD card capacity low reminder icon and more.
Page 71 Acoutherm Imaging Camera User Manual Top position: battery, memory warning (displayed when SD card capacity is less than 100MB), Bluetooth headset, laser status display (displayed when the laser is illuminated, otherwise it is not displayed), WiFi, current temperature range; Bottom position: logo. Display Instructions: ...
Page 72 Acoutherm Imaging Camera User Manual compass, leakage, leakage level, cost, and more. 3.2.1.3 System menu Includes: acoustic parameters, focus mode, measurement tool, palettes, detection mode, settings Acoustic parameters 72 /166...
Page 73 Acoutherm Imaging Camera User Manual 1. Sound source modes: single source, multi-source, and hologram; For detailed illustrations, please refer to section 5.2.1 2. T-FFTD (signal linger mode): steady source, transient source. Steady source mode is the default mode, the camera display will response promptly when the signal appears or fades away.
Page 74 Acoutherm Imaging Camera User Manual Focus Mode: Turn on Focus Mode and the sound image screen will only detect sound sources within the focus frame; Measurement tools Measurement tools include: apply spot and circle, set distance. 74 /166...
Page 75 Acoutherm Imaging Camera User Manual Palette Palette: red-blue, iron-red, gray-white, more (grayscale, transparency) Gray scale: off 75 /166...
Page 76 Acoutherm Imaging Camera User Manual Gray scale: on Detection mode Detection mode include: Partial discharge detection mode: 76 /166...
Page 77 Acoutherm Imaging Camera User Manual Leak detection mode: Leak evaluation Mode: 77 /166...
Page 78 Acoutherm Imaging Camera User Manual Settings Reference chapter 4: System Settings 78 /166...
Page 79 Acoutherm Imaging Camera User Manual 5 System Settings The Acoutherm Imager Setup menu includes the following options: Capture mode;  Connections;  79 /166...
Page 80 Acoutherm Imaging Camera User Manual Temperature measurement range;  Storage & save options;  Device Set  IR device set  Acoustic set  Plug-in manager  Capture Mode Single-frame shooting, recorded video, and timed shooting can be set. Pressing the photo trigger when set to single-frame shooting takes a picture.
Page 81 Acoutherm Imaging Camera User Manual 4.1.1 Video recording 1. The recording frame rate can be set between 1~16 frames, and the shooting mode is automatically selected as video recording after selection; 2. Set to record and press the photo trigger to start recording, press the photo trigger again to pause;...
Page 82 Acoutherm Imaging Camera User Manual 4.1.2 Time-lapse 1. The minimum time interval is 2 seconds and the maximum interval is 60 minutes and 59 seconds; 2. It can be set to stop automatically after a certain number of shots, up to 1000 shots, or keep capturing until the storage or battery runs out;...
Page 83 Acoutherm Imaging Camera User Manual Connection The connection allows users to set up IRExplorer, wireless network connection, portable hotspot settings, Bluetooth connection and FTP transfer. 5.2.1 IRExplorer IRExplorer page to view web links, changeable usernames, passwords and scanned QR codes 83 /166...
Page 84 Acoutherm Imaging Camera User Manual 1. Tap on the acoutherm Imager screen. This displays the Main Menu toolbar; 2. Select Settings; 3. Select "Connections" -> "IRExplorer"; 4. Flip the switch to view the IP address, and after turning it on, users can enter the IRExplorer login screen by entering the IP address using user’s computer/mobile phone;...
Page 85 Acoutherm Imaging Camera User Manual 1. Tap on the acoutherm Imager screen. This displays the Main Menu toolbar; 2. Select Settings; 3. Select "Connections" -> "Wireless Networks"; 4. Turn on "Wireless Network". Then a list of available networks appear; 5. Select one of the available networks. Networks with password protection will be indicated by a padlock icon.
Page 86 Acoutherm Imaging Camera User Manual 5.2.3 Portable hotspot 1. Tap on the acoutherm Imager screen. This displays the Main Menu toolbar; 2. Select Settings. Enter the Settings screen; 3. Select "Connections" -> "Portable Hotspot"; 4. Select Turn on Portable Hotspot; 5.
Page 87 Acoutherm Imaging Camera User Manual 5.2.4 Bluetooth The acoutherm Imager can be used to pair with other Bluetooth devices using a Bluetooth headset connection, and after adding a Bluetooth-enabled headset, users can use it to add voice notes. Adding a Bluetooth-enabled headset will automatically disable the built-in microphone and speaker.
Page 88 Acoutherm Imaging Camera User Manual 5.2.5 FTP data transfer FTP transfer, when the service is turned on, users can connect to the acoutherm imager via other FTP clients for SD card file transfer. Via "Settings" -> "Connections" -> "FTP Transfer". 1.
Page 89 Acoutherm Imaging Camera User Manual Hotspot mode, requires the client to be connected to the acoutherm imager hotspot before it can be accessed. Temperature Range (only visible in IR mode) Via Settings->Temperature Range 1. A suitable temperature range can be selected for temperature measurement; 2.
Page 90 Acoutherm Imaging Camera User Manual of the acoutherm imager to the AI button. Storage & Saving Options Super Resolution: When turned on, the pixels of the captured thermal image  become 4 times the standard pixels, super pixels are not supported when recording videos and timed shots.
Page 91 Acoutherm Imaging Camera User Manual Video Format: this setting defines the format in which the video clips are  stored. Available options are: MP4 (*.mp4): the file is playable but not editable, the content of the recorded video for the recording of the entire screen content, while recording the user's operating behavior;...
Page 92 Acoutherm Imaging Camera User Manual Device Set 92 /166...
Page 93 Acoutherm Imaging Camera User Manual 5.5.1 Language & date & region This sub-menu contains settings for the following parameters: language,  temperature units, distance units, date, time, time zone, date format settings. Languages: English, Traditional Chinese, Spanish, Korean, German,  93 /166...
Page 94 Acoutherm Imaging Camera User Manual Portuguese, Italian Temperature Units: °C, K, °F.  94 /166...
Page 95 Acoutherm Imaging Camera User Manual Distance Units: m, ft.  Date   Time 95 /166...
Page 96 Acoutherm Imaging Camera User Manual  Time Zone  Date Format 96 /166...
Page 97 Acoutherm Imaging Camera User Manual 5.5.2 USB mode Mode in which USB can be switched: into sound and video, transferring files (MTP) 97 /166...
Page 98 Acoutherm Imaging Camera User Manual 5.5.3 Display Display Settings: Slide to adjust screen brightness  5.5.4 Location 1) GPS: This setting is used to enable/disable GPS; 98 /166...
Page 99 Acoutherm Imaging Camera User Manual 2) Compass:This setting is used to enable/disable the compass. 5.5.5 LED lamp as flash light The acoutherm Imager LEDs can be used as a flash for digital cameras. If the flash function is enabled, the Thermal Imager LED light will enable the flash function when the trigger button is pressed to save the image.
Page 100 Acoutherm Imaging Camera User Manual 5.5.6 Screen off Rest time: set how long the acoutherm imager will automatically rest the  screen after it has not been operated. Supports 5 minutes, 10 minutes, 30 minutes, permanent; Tap on the Thermal Imaging Camera's on/off key to wake up the screen in ...
Page 101 Acoutherm Imaging Camera User Manual 5.5.7 Volume Volume Adjustment: Adjust the volume level by sliding the round button or  tapping the on-screen volume setting bar. 5.5.8 Reset 101 /166...
Page 102 Acoutherm Imaging Camera User Manual Reset Options: Parameters are reset to factory default settings and all saved  files are deleted. 5.5.9 About 102 /166...
Page 103 Acoutherm Imaging Camera User Manual About: Model, Serial Number, Software Version, XFrame Version, System  Firmware Version, Operating System Version, IR Sensor Version, AC Firmware Version, Lens, Battery Level, Memory Card Remaining Capacity, Status Information (IP Address, Mac Address, Bluetooth Address), System Update.
Page 104 Acoutherm Imaging Camera User Manual IR Device Set include: Focus, T-TWB®, IREdge, Image Overlay, T-DEF IR Alpha, and Manual Mode; 4.6.1 Focus 104 /166...
Page 105 Acoutherm Imaging Camera User Manual Focus: This sub-menu contains the use of contrast for autofocus (focus will  be based on maximizing the contrast of the image) and laser (focus will be based on laser distance measurements, the laser will be turned on when the acoutherm imager performs autofocus).
Page 106 Acoutherm Imaging Camera User Manual The image overlay information contains: global maximum temperature,  global minimum temperature, global average temperature, emissivity, reflected temperature, ambient temperature, humidity, and distance. This setting is only used to specify what information is displayed superimposed on the image;...
Page 107 Acoutherm Imaging Camera User Manual 4.6.5 Manual mode Maximum/Minimum: The upper and lower limits can be set separately or  adjusted at the same time in the temperature span setting; Temperature span: The span of the upper and lower limits is kept at user- ...
Page 108 Acoutherm Imaging Camera User Manual AC Device Set AC Device Set include: Leakage Evaluation Parameters, AC Focus Range, Frequency Set, Show dB Value, AC Frequency, SPL Normalization, and Menu Configuration; 108 /166...
Page 109 Acoutherm Imaging Camera User Manual 4.7.1 Leak parameters Leak evaluation parameters include: leak correction factor, currency, energy cost, gas cost, specific power, unit, run time 109 /166...
Page 110 Acoutherm Imaging Camera User Manual 4.7.2 AC focus range AC focus range: large, medium, small (adjust the size of the focus frame) 4.7.3 Frequency config Turn on frequency configuration to gain access to customizing the frequency range. 110 /166...
Page 111 Acoutherm Imaging Camera User Manual Once the ‘Frequency Config’option is toggled, the button for adding customizing frequency span will appear on the main interface. Users may manually select a range for the camera to narrow into and name the frequency range for later selection. 111 /166...
Page 112 Acoutherm Imaging Camera User Manual 4.7.4 Show dB value Whether the sound pressure value is displayed on the control screen 4.7.5 AC frequency AC frequency can be selected from 50Hz, 60Hz 4.7.6 SPL normalization Enable sound pressure level normalization to normalize the sound pressure level in PD mode and leak mode.
Page 113 Acoutherm Imaging Camera User Manual Plug-in settings 4.8.1 Plug-in manager Some business plug-ins can be customized or added under license based  on recipe; On this interface, the user can choose to turn on/off the business plug-in. If  the business plug-in is on, the corresponding logo appears on the left side of the main interface;...
Page 114 Acoutherm Imaging Camera User Manual 6 Image Freeze Interface IR Mode 114 /166...
Page 115 Acoutherm Imaging Camera User Manual 5.1.1 Favorite 1. Click on Follow Logo, the icon of Follow Logo appears in the top left corner of the image, click Save; 2. The gallery can be filtered by clicking on the attention markers for all image files with the attention markers.
Page 116 Acoutherm Imaging Camera User Manual 5.1.2 Voice annotation Voice Remarks supports 200s voice recording and is recorded in image files. It can be played in the image file or in the PC software. Close; Play; Recording; Delete. 5.1.3 Text annotation This icon is a text note button.
Page 117 Acoutherm Imaging Camera User Manual Users can add text notes to a thermal image file. When using this feature, userscan add comments to the thermal image file by entering text information on the acoutherm imager's touchscreen keyboard or by voice. Close;...
Page 118 Acoutherm Imaging Camera User Manual 5.1.4 Keypad input To add a text note using virtual keyboard input, please perform the following steps: 1． Tap the text box, the text input soft keyboard will pop up automatically under the touch screen, switch to the appropriate text input method; 2．...
Page 119 Acoutherm Imaging Camera User Manual The label auto-naming function can be realized by means of QR code scanning, OCR text recognition, and manual keyboard input after on the freeze interface. Close; Text Recognition; QR code scanning; Save. 119 /166...
Page 120 Acoutherm Imaging Camera User Manual 5.1.5.1 Keypad input Click on the center blank space, the keyboard appears, enter the content and click OK to save it. The label logo appears in the upper left corner of the image. 5.1.5.2 OCR text recognition Click to access the text recognition.
Page 121 Acoutherm Imaging Camera User Manual 4. Click OK after recognition; 5. Click on the text to correct or add it via the keyboard; 6. Click Save, the content is saved and the label logo appears in the upper left corner of the image.
Page 122 Acoutherm Imaging Camera User Manual 6.2.1 Source mode Sound source mode: Single; Under this mode, the camera will only display the most prominent acoustic signal source. 122 /166...
Page 123 Acoutherm Imaging Camera User Manual Sound source mode: Multi; Under this mode, the camera will display multiple prominent acoustic signal source as long as their strength passes certain threshold. Sound source mode: Hologram. 123 /166...
Page 124 Acoutherm Imaging Camera User Manual Hologram mode will display the sound pressure level distribution on the screen. There are two sub display modes for hologram: auto and manual (please refer to the button on the top right corner of the screen). The auto mode will display the sound pressure level distribution of the entire screen.
Page 125 Acoutherm Imaging Camera User Manual 5.2.3 Favorite Reference 5.1.1 5.2.4 Voice annotation Reference 5.1.2 5.2.5 Text annotation Reference 5.1.3 5.2.6 Tag Reference 5.1.5 7 Gallery Images are saved on the SD memory card, and all images that have been saved can be viewed through the gallery, which can be opened with the gallery button.
Page 126 Acoutherm Imaging Camera User Manual Tag filtering; Analysis; Delete. Favorite Click to follow the logo 126 /166...
Page 127 Acoutherm Imaging Camera User Manual Directly filters out all documents with concern markers added. See 6.1 Concerns and Filtering for details on adding concern markers. Filter Click to enter the label filtering interface. Select the tags that need to be filtered and click OK to filter out the files that have 127 /166...
Page 128 Acoutherm Imaging Camera User Manual this tag added. See 6.4 Labeling and Auto-naming for details on adding labels. Open Image and Video Files The image files in the gallery are divided into thermal image, visible light, video, and continuous image, in which the continuous image will be displayed as a group of one continuous image, the video file contains MP4 and IRS full radiation files, for thermal image can be opened again to analyze and edit and save the parameter modification, the IRS full radiation video file can be opened to analyze, the visible...
Page 129 Acoutherm Imaging Camera User Manual analyze and delete each image separately. Thermal Image File Analysis Single shot visible photos can be viewed only, for thermal image files, picture-in- picture files, and image fusion files open as follows: Open the thermal image file in the gallery to enter the thermal image file analysis screen.
Page 130 Acoutherm Imaging Camera User Manual Save; More features; Measurement parameters, see 4.6 Measurement parameter settings for details; Color palette, see 4.10 Color palette for details; Voice memo, see 6.2 Voice memo for details; For textual remarks, see 6.3 Textual remarks; labels, see 6.4 Labeling and Automatic Naming for details;...
Page 131 Acoutherm Imaging Camera User Manual Play, click to play the video; Temperature Width Mode, see 4.5 Temperature Width Mode for details; Measurement tools, see 4.8 ROI measurement tools for details; Measurement parameters, see 4.6 Measurement parameter settings for details; Color palette, see 4.10 Color palette for details; More features;...
Page 132 Acoutherm Imaging Camera User Manual For textual remarks, see 6.3 Textual remarks; Details, click to open the details. Deleting an Image or Video File 1. Press the button for the "Gallery" function to open the gallery; 2. The gallery will list all files in a thumbnail list, grouped by shooting date; 3.
Page 133 Acoutherm Imaging Camera User Manual Delete Multiple Files 1． Long press one of the thumbnails, you can enter the multi-select state, in the multi-select state you can select more than one file and then click delete, you can delete more than one file; 2．...
Page 134 Acoutherm Imaging Camera User Manual 8 Camera Maintenance Cleaning the Camera Case, Cables and other Components Cleaning Procedures Please use a soft cloth and pure water/Non-irritant cleaning liquid to clean. Note: Please don’t apply corrosive or similar liquid on the Imager, cable or other parts.
Page 135 2． In some cases, dust on the surface of uncooled infrared focal plane detectors must be cleaned mechanically; 3． This mechanical cleaning operation must be carried out by the FOTRIC after-sales service department or by a service partner authorized by FOTRIC.
Page 136 Take out the battery from device when not use for long term. Keep the battery and battery pack clean and dry. Use only the power adapter approved by FOTRIC to charge the battery.. ! CAUTION: To prevent damage, do not expose the product to heat or high temperatures (e.g., unattended vehicles in the sun).
Page 137 Acoutherm Imaging Camera User Manual 9 Glossary Absolute zero. means -273.15°C (0 Kelvin = 459.69°F). Absolute zero is a completely ideal state in which the motion of the atoms of an object stops completely, i.e., at this temperature the object is completely devoid of any energy. Kelvin [K] One of the internationally recognized temperature scales.
Page 138 Acoutherm Imaging Camera User Manual infrared radiation. Absorption Any object has the ability to absorb infrared wavelengths to a greater or lesser extent, and the most direct reflection of the object after absorbing infrared light is an increase in temperature. Usually the object with relatively high temperature radiates more energy than the object with lower temperature, while for the object itself, the absorbed infrared energy will be converted into its own energy and radiate to the outside, therefore, the emissivity of the object is related to the absorption rate of the...
Page 139 Acoutherm Imaging Camera User Manual Atmospheric windows When solar radiation passes through the atmosphere, the range of wavelengths of light radiation with high transmittance that are not reflected, absorbed or scattered is called the "atmospheric window". An atmospheric window also exists in the infrared wavelength range, where there is a stable atmospheric transmittance in the 7-14µm range.
Page 140 Acoutherm Imaging Camera User Manual Colored emitters are materials whose emissivity varies with wavelength and temperature. This means that the same object has different emissivities. Most metals are colored emitters, e.g., aluminum increases in emissivity when heated. Thermal Imager An infrared thermal imager is a detection device that is capable of detecting radiation in the infrared band of the electromagnetic wave spectrum and turning invisible infrared radiation into a visible picture.
Page 141 Acoutherm Imaging Camera User Manual temperature of the sensor. Refresh rate Expressed in Hertz, this refers to the rate at which the acoustic/thermal imager updates the image per second. For example, 30Hz means that the camera can update 30 complete thermal images in one second. Resolution Resolution is a parameter used to measure how much data is within an image, and refers to how many dots (pixels) there are per unit length.
Page 142 Acoutherm Imaging Camera User Manual The use of infrared thermal imagers displays a map of the surface temperature field by means of non-contact measurements. The thermal imager creates a visual image of the thermal distribution by detecting the amount of radiant energy of an object, converting it according to the relationship between radiant energy and temperature, and displaying the temperature values in the field of view of the shot in different colors.
Page 143 Acoutherm Imaging Camera User Manual It refers to the degree of proximity between the observed results, calculated or estimated values and the reference values. For example, if the actual surface temperature is 100°C and the measurement accuracy is ±2°C, the difference between the measured value and the actual measurement result will not exceed ±2°C, i.e.
Page 144 Acoutherm Imaging Camera User Manual "cold spot" and the point with the highest temperature is called the hot spot. Emissivity (ε) Emissivity Epsilon:The emissivity is the ratio of the energy radiated outward by the object under test to the energy radiated by a blackbody at the same temperature and wavelength.The value of ε...
Page 145 Acoutherm Imaging Camera User Manual Dew point is short for dew point temperature, dew point temperature is the atmospheric pressure is unchanged, due to the cooling effect, the air originally contained in the unsaturated water vapor becomes 100% saturated temperature, known as the dew point temperature.
Page 146 Acoutherm Imaging Camera User Manual uneven surface produces diffuse reflection, which is different in all directions on the surface of the object. Reflectance coefficient (ρ) [rəʊ] is the ability of an object to reflect infrared radiation. ρ depends on the type of material, the nature of the surface and the temperature and wavelength.
Page 147 Acoutherm Imaging Camera User Manual Planck's radiation law Planck's Law of Radiation presents the idea that the intensity of the electromagnetic energy emitted by a blackbody depends on the wavelength and frequency. Planck's law was born in 1900 and is considered the fundamental theory of quantum physics.
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Page 149 Acoutherm Imaging Camera User Manual 10 History of Thermal Imaging Infrared light was discovered in 1800 by the Royal Astronomer (Friedrich Wilhelm Herschel) while searching for a new optical medium. What's beyond the red light? Figure 1. Herschel (1738-1822) Infrared is one of the most widespread types of electromagnetic radiation found in nature, and its electromagnetic spectrum is the region between visible light beyond the red and microwaves, so it cannot be viewed directly by our naked eye.
Page 150 Acoutherm Imaging Camera User Manual possible to test for thermal radiation. Another major breakthrough was made in 1880 by an American, Samuel Pierpont Langley, who invented the radiometric thermometer. The instrument was said to be able to measure thermal radiation from cattle up to 400 meters away. Figure 2.
Page 151 Acoutherm Imaging Camera User Manual 11 Principles of Thermal Imaging 11.1 Summary Infrared radiation and its associated thermal imaging technology is still an unfamiliar topic to most users who will be working with infrared thermal imagers. In this section, we will explore with you the principles behind thermal imagers. 11.2 Electromagnetic Spectrum There is a wide variety of electromagnetic radiation in nature, each with a different wavelength and vibration frequency, and together they make up the electromagnetic...
Page 152 Acoutherm Imaging Camera User Manual that the human eye can perceive the wavelength band of light from 380nm to 780nm, while the wavelength band of infrared light is from 780nm to 1mm. 11.3 Infrared Light Infrared light is emitted by objects above absolute zero themselves, so it is safe. Infrared light can be divided into four smaller bands depending on the field of application, and their boundaries can be chosen arbitrarily.
Page 153 Acoutherm Imaging Camera User Manual radiation with high atmospheric transmittance that are not reflected, absorbed or scattered by solar radiation as it passes through the atmosphere. Similarly, there are atmospheric windows in the infrared wavelengths, with stable atmospheric transmittance in the 1µm-3µm, 3µm-5µm, and 7µm-14µm ranges, and therefore the results of thermal imaging measurements in these wavelengths are especially pronounced.
Page 154 Acoutherm Imaging Camera User Manual begins to become visible to the naked eye and therefore no longer appears black to the human eye. This is the initial red-hot temperature of the radiating body, which then changes to orange or yellow as the temperature increases further. In practice, the so-called color temperature of an object refers to the temperature to which a black body must be heated to achieve the same appearance.
Page 155 Acoutherm Imaging Camera User Manual λ: wavelength (μm); ! Note: The factor 10 is used because the spectral emission in the curve is expressed in Watt/m , μm. A series of curves can be obtained by plotting various temperatures according to Planck's formula.
Page 156 Acoutherm Imaging Camera User Manual The above is the Steven Boltzmann formula, which clarifies that the total emitted power of a blackbody is proportional to the fourth power of its absolute temperature. represents in the graph the area below the Planck curve at a given temperature.
Page 157 Acoutherm Imaging Camera User Manual brick 0.81 carbon (chemistry) 0.95 concrete 0.95 Copper (oxidized) 0.78 Copper (polished) 0.05 fiberglass 0.97 foundry iron 0.64 Iron (rust) 0.69 oaken 0.90 Oil film 0.03 mm 0.27 Oil film 0.13 mm 0.72 Oil (thick) 0.82 paintwork 0.94...
Page 158 Acoutherm Imaging Camera User Manual plaster cast (for a broken bone) 0.86 Rubber (black) 0.95 human skin 0.98 dry soil 0.92 Soil (with saturated water) 0.95 Stainless steel (oxidized) 0.85 Stainless steel (polished) 0.14 Steel (oxidized) 0.79 Steel (polished) 0.07 distilled water 0.96 Water (cream)
Page 159 Acoutherm Imaging Camera User Manual 13 How to Set Emissivity An infrared thermal imager transforms the invisible infrared energy emitted by an object into a thermal image that can be analyzed. The different colors on the thermal image represent the distribution and elevation of the surface temperature of the object being measured.
Page 160 Acoutherm Imaging Camera User Manual - Spectral Transmittance Ratio τ = the ratio of the spectral radiant power λ transmitted from an object to the incident radiant power. For any wavelength, the sum of these three coefficients must always be equal to 1, so we can derive the following relation: α...
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Page 162 Acoutherm Imaging Camera User Manual 13.1 Emissivity Emissivity is the ratio of the energy radiated outward from the object being measured to the energy radiated by a blackbody at the same temperature and wavelength, and the emissivity setting is critical to the ability of the thermal imager to accurately measure temperature.
Page 163 Acoutherm Imaging Camera User Manual 13.2 Emissivity Setting Infrared thermal imager observation, can penetrate the smoke, fog, dust and disturbances, for the visible light background interference is not sensitive, day and night is exactly the same; but the material of the object under test, the surface structure and other parameters affecting the emissivity of the object is very sensitive.
Page 164 The products (hardware, software, etc.) provided in this manual may contain defects, errors, or failures, and FOTRIC makes no warranties of any kind, either express or implied, including, but not limited to, warranties of merchantability, satisfaction of quality, fitness for a particular purpose, and non-infringement of third-party rights, etc.
Page 165 Acoutherm Imaging Camera User Manual limited to, damages resulting from loss of business profits, loss of data, or loss of documentation. This includes, but is not limited to, damages resulting from loss of business profits, loss of data or documentation. To the fullest extent permitted by law, our liability will not exceed the amount you paid for the Product.
Page 166 Acoutherm Imaging Camera User Manual above behavior will be at your own risk. When using this product, you are requested to comply strictly with applicable laws. You agree that this product is for civilian use only and shall not be used for infringement of third party rights, medical/safety equipment or other applications in which a product failure could result in life-threatening or personal injury, and fog of mass destruction, biological/chemical weapons, nuclear explosions, or any unsafe use...

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