LT3/LT7 Thermal Image Camera User Manual
Contents
1. 3 3 4Viewing stored Images Press Menu key to activate the main menu Choose File gt Open to open the image When image is opened choose Left or Right keys to select the previous or next images respectively If the instrument is in IR mode it will display all IR images of each saved image it will display No Image if there is no IR image for that saved image If the instrument is in CCD mode it will display all CCD images of each saved image it will display No Image if there is no CCD image for that saved image If the trigger is configured to IR CCD mode by Setup gt Sys Setup gt Trigger when in image view the trigger can switch between IR and CCD images for each saved image it will display No Image if there is no IR or CCD image for that saved image Press C key to exit the Image view mode and return to the real time measurement mode 3 3 5 Export saved images Use of USB port to download images in TF card With a standard USB cable connect device port to PC and export saved images Remove the TF card and insert into TF card reader connect to USB port on PC and export saved images 1 LI3 LI7 Thermal Image Camera User Manual 4heat 4 Operation guide 4 1 Graphic interface description 4 1 1 Screen graphic interface 12 11 10 1 Company logo DALI 2 Operating status displays the current operational status 3 Spot temperature measurement White crosshair 4 Selected2. press C key to cancel the format CAUTION Before formatting make sure all files are not needed or already backed up Data cannot be recovered after formatting If formatting via PC please use FAT 16 format 3 LT3 LI7 Thermal Image Camera User Manual 4heat 5 Technical specification tt Technical Specification iia LT3 ET Detector Un cooled FPA micro bolometer characteristics 160 X 120 384 X 288 Field of view min focus 25 X19 0 1m distance 1 36mrad Image characteristics Manual pectral range Image display LCD display Temperature ranges 20 C 650 C Accurac Measurement correction Up to 4 movable spots Up to 3 movable areas maximum minimum and average Measurement mode temperatures Up to 2 movable lines Line profile Isotherms Temperature difference Alarm voice color Nu Image control l l wla E B Q O J Q fa B jb etup functions Date time temperature unit language Emissivity correction Variable from 0 01 to 1 0 Background temperature Automatic corrections according to user input correction Atmospheric transmission Automatic correction according to user input object correction distance humidity and temperature torage card 2G SD card max 16G Manual Auto single file saving IR and Visual image Storage mode l link saving Thermal JPEG with original thermal measurement Image storage File format data included Visual JPEG Input via built in microphone up to 6
3. be performed every 12 months CAUTION Do not open case Unit does not contain any user serviceable parts Repair should be performed by factory authorized technicians only LT3 LI7 Thermal Image Camera User Manual 4heat Contents Warnings Cautions and Notes 22mm 1 1 Introduction eieae iaieiiea 4 1 1 Standard accessories eee eee eee eee ee 6 1 2 Optional accessories eee eee eee ee 6 ZK AM over ee pe n 7 2 1 Function keys noona 7 2 Teen E a 11 3 Basic operation 727992999999 9 eee eee eee eee eee ee een nene 12 3 1 Battery Installation and Replacement 12 3 1 1 Inserting or removing battery ee 12 3 1 2 Replacing battery ener eee ene 13 3 2 Battery safety and Usage 9999999999999 14 3 3 QUICK ACCESE Aerien aaaea 15 3 3 1 Capture an image a 15 3 3 2 Temperature measurement 999999990 15 3 3 3 Freeze and Save IMage ieee 16 3 3 4 Viewing stored Images enno 16 3 3 5 Export saved images 9999999090900 17 4 Operation guide 292929992999 eee eee eee eee eee eee ee ee eee 18 4 1 Graphic interface description 229mm 18 4 1 1 Screen graphic interface eee eee 18 4 1 2 Main MENU eee eee eo eee 19 eb DOS BOX NA AA 19 4 1 4 Prompt box interface emmer 20 4 2 Measurement 22222 eee eee 7111117117111171 eee eee n ee eee eee 20 4 3 Auto Manually eee eee ee 2
4. is not charged completely Recharge the battery Battery depletion is too fast Rechargeable battery is out of power completely and cannot be recharged Change to new battery Lens cover is not removed Remove lens cover No thermal image n image freeze status Press C key to exit White black palette is selected Thermal image is white black Select normal palette 36 LT3 LI7 Thermal Image Camera User Manual 4heat Appendix A Common material emissivity FYI 0 20 Aluminum 100 Brass pron YM E Iron 200 Wrought iron Stainlesssteel Oxidized fo if 000 Lacquer Carbon 0 95 0 94 Sand soil Surface 200 Timber Dressed fo Cif S Water Distiledwater 209 kin Thn if mal 97 LT3 LI7 Thermal Image Camera User Manual 4heat Appendix B Factory default parameter setting table Table 1 Measurement temperature setting table pac Ref Type Ref Temp Table 2 Measurement temperature correction table Emissivity 9G TAmbient Temp Table 3 Analysis setting table Table 4 System setting table Quick Access NTSC 38 L13 L17 Thermal Image Camera SLOVENSKO VYSO INA ZL NSK PRAHA ST EDO ESK OLOMOUCKY PARDUBICKY PRODUKTY VYMENIKY A JIHOMORAVSKY A JIHOCESKY PLZENSKY KARLOVARSKY MORAVSKOSLEZSKY VZT JEDNOTKY KRAJ USTECKY A LIBERECKY KRAJ A KRALOVOHRADECKY KRAJ Ing Jan Novotny Michal Skvaril Tom Hronek Tom Ondr ek obc
5. 0 seconds of Voice annotation ae digital voice clip per image stored with image Laser locator Class 2 Imw 635nm red IEC 60 285 Li Ion rechargeable Battery operating time Intelligent ch daptor 12V optional t SEP Bahenychavene mde ntelligent charger or power adaptor optional to random charge ower saving Auto sleep and auto shut down External power 10 15V DC 34 LT3 LI7 Thermal Image Camera User Manual 4heat Operating temperature 15C 50C l Operating and storage lt 90 non condensing Environment IP54 Physical characteristics r 105 X 245 X 230mm SD card slot Micro SD card slot External DC input Interface l Image measurement data transfer The information contained in this document is subject to change without notice 35 LT3 LI7 Thermal Image Camera User Manual 4heat Troubleshooting Please follow the table below to diagnose and correct the problem If problem still exists please contact our service department Cause amp Solution Battery not installed or installed incorrectly Install battery or re install battery The camera does not Battery is out of power power on Change battery e Power off protection is enabled Wait for 5 seconds and reboot Battery is out of power Change battery The camera powers off automatically AutoOffTime option is enabled Set as None Environmental temperature is too low Rechargeable battery
6. 1 4 4 Setup MENU ooo ee o n ee 22 4 4 1 Measuring Setup nonton 22 4 4 2 Adjustment sep 9999090090000 ooo 23 2 4 Analys SSe see Pence bea e etches ou 24 4 4 4 Date Time setup 25 LT3 LI7 Thermal Image Camera User Manual 4heat 4 4 5 System Setup 777777272999 eeee eee ec resect eee eect ee eee eee eee 23 4 4 6 System Info eee eee ee mene eee nee me neces neces eee ee eee en 27 44 Factory Default ee ee 24 OS aa aa aa 28 4 Sol OPEN en aa an angan 28 4 5 2 SAVE Aseeessis oeiee oiin eiai a eaaa Ei aiaia 29 Aa Oa lt Asa 31 AA AO o aa ee eee 32 ASS Delete seo 0020 nsnn ela na mm 32 25 3 6 a0 00 1 Me E 33 5 Technical specifications me eee eee eee 34 Troubleshooting nana aa eee ses ez 36 Appendix AA A o na mane 37 Common material emissivity FYI 37 TAP Dmna See o 38 Factory default parameter setting table 38 LT3 LI7 Thermal Image Camera User Manual 4heat 1 Introduction Thank you for choosing DALI Instruments LT3 or LT7 hand held infrared thermal imager Model Identification LT3 imagers use the detector with 25um 160X120 and measurement range from 20C 350C LT7 imagers use the detector with 25um 384 X288 and measurement range from 20C 650C Features LT3 LT7 include the following features User selectable Auto or manual leve
7. Setup gt MeasureSet and press Confirm key to pop up the Measuring Setup dialog box User can view or set temperature range lens type temperature unit ambient temperature reference type and reference temperature Press Up and Down keys to choose different items Left and Right keys to modify the item contents Temp Range Select Temp Range according to target temperature LT7 low Temp Range 20 C 180 C orhigh Temp Range 100 C 650 C LT3 20C 350 C Lens Select Standard Telephoto or Wide Angle A mark will display when Telephoto or Wide Angle is selected Temperature unit Select between C F and K scales Ambient temperature Camera will display internal ambient temperature automatically Used for automatic calibration and is not user editable 22 LT3 LI7 Thermal Image Camera User Manual 4heat Reference type When RefTypeis On the temperature of the measured object displayed by the cursor on the screen is the difference from the selected reference or the reference temperature set below Reference temperature When Ref Temp is enabled this item is editable A fixed temperature may be entered as the reference temperature or select a measurement objectin RefTemp 4 4 2 Adjustment setup Adjustment m PC OII Emissivity Customize Press Menu key to activate the main menu Select Setup gt Adjustment and press Confirm key to pop up the Adjustment dialog box User may set emissivity temper
8. User Manual 4heat NOTE Default Reset function will delete all parameters defined by user NOTE Restoring Default settings will NOT delete images stored on the TF card 4 5 File 4 5 1 Open Press Menu key to activate the main menu Select File gt Open press Confirm key to open the saved images Press Left and Right keys to change the images Press C key to exit the opened image and return to measurement status The imager will open the last image displayed or the last image saved whichever occurred last 28 LT3 LI7 Thermal Image Camera User Manual 4heat 1 Current file name created by Imager 2 Current displayed image file number 3 Total number of images currently stored 4 5 2 Save It is used for saving the image performs the same functionality as the Save key Press Menu key to activate the main menu Select File gt Save press Confirm key to save the current image into the TF card or highlight Cancel and press Confirm key to cancel Save operation Alternatively the C key may be pressed to cancel Saving Data will display DALI TF 10 SER Frozen LT3 LI7 Thermal Image Camera User Manual 4heat With Voice Save set in Save Settings menu if Voice Save was On Recording will start Speak clearly into the microphone on the control panel Record function allows up to 60 seconds of recording time and may be stopped at any time by pressing the Confirm key 30 LT3 LI7 Thermal Image Camera User Ma
9. WALI LT3 LT7 Thermal Image Camera User Manual LT3 LI7 Thermal Image Camera User Manual 4heat Warnings Cautions and Notes Definitions WARNING Could cause bodily injury or death CAUTION Could cause damage to equipment or permanent loss of data NOTE provides useful information to the operator Important Information Read before using the Instrument WARNING Laser Radiation is emitted from this device Do Not stare into Laser Beam Class 2 Laser 635 nm 0 9mW CAUTION Never point the lens directly toward a strong radiation source ie Sun direct or reflected laser beam etc with power on or power off as damage may result to the thermal detector used inside Permanent damage may result CAUTION The original shipping carton should be kept for use for future transportation Do not drop shake or impact the thermal imager excessively in use or during transportation CAUTION Store the unit in its original case in a cool dry well ventilated area away from strong electromagnetic fields CAUTION Protect the surface of the lens from being stained or damaged by foreign objects such as sludge or chemicals Please replace the lens cap after use CAUTION Please remember to backup image data regularly to avoid losing important data NOTE For maximum measurement accuracy allow 3 to 5 minutes for camera to stabilize after initial power up NOTE Each camera is factory calibrated It is recommended that calibration
10. ature correct and ambient temperature Press Up and Down keys to choose different items Left and Right keys to modify the item contents Emissivity The emissivity of a given material will vary with temperature and surface finish If not set manually system will use the default value Appendix A provides emissivities of common materials Customize Select material from pre defined list via left and right keys Correct Temperature correction setup Ambient temperature when Ambient Temp is enabled user can input the value of ambient temperature 23 LT3 LI7 Thermal Image Camera User Manual 4heat 4 4 3 Analysis setup Temp Alarm Off Alarm Type High arm Color SOrmerimn k 010r sotherm emp sotherm Width 1 0 fe ey Press Menu key to activate the main menu Select Setup gt Analysis setup and press Confirm key to pop up the Analysis dialog box User can set temperature alarm alarm type alarm color isotherm color isotherm temperature and isotherm width Press Up and Down keys to choose menu items Left and Right keys to modify the item contents Choose Alarm type as high temp or low temp Trigger alarm when the Temp of object higher or lower than the temp of Set Alarm Temp All pixels above this temperature will change to the color as set in Alarm Color When the Alarm Color is set to None only the audible alarm will sound When using alarms with Area measurements the selected measurement mode Min Max or A
11. can be enabled at one time but not both Area adds up to 3 area boxes with min max or average detection within each box Areas can be sized and moved by the user Designated by 1 2 and 3 NOTE To delete a single object press A key to select the object and then press C key to delete 20 LT3 LI7 Thermal Image Camera User Manual 4heat Measurement vps J 4 4 3 Auto Manually By adjusting the temperature and color corresponding relation users can observe enhanced image guality and easily find and analyze thermal fault There are two operational modes Auto Manually available Press Menu key to activate the main menu and select Auto Manually The low level ei menu will display the inactive mode folowedbya Pressing the gt key followed by the Confirm key will switch to the displayed mode Press A key to select palette or adjust it manually In Auto mode the camera automatically determines the low and high temperature levels to assign to the lower and upper ends of the palette In Manually mode the Operator may assign the lower and upper end values to enhance the image quality by adjusting the temperature to color relationship In Manually mode pressing the left or right arrow will reduce or increase the Span and pressing the up or down arrow will reduce or increase the Level 21 LT3 LI7 Thermal Image Camera User Manual 4heat 4 4 Setup menu Press Menu key to activate the main menu Select
12. e means invalid for this selection 4 Unit Indicates the current selected temperature unit 19 LT3 LI7 Thermal Image Camera User Manual 4heat 4 1 4 Prompt box interface 1 Delete Cel Image File 1 Prompt box name Display the prompt box name e g Del file 2 Content Display the content in the prompt box e g Del Image File 4 2 Measurement Used for adding or deleting a measurement Press Menu key to activate the main menu Select Measurement and press Confirm key It will display the Measurement dialog box Use the Left and Right arrows to scroll through the available measurement options Highlight the option you wish to use and press Confirm key Options are None Deletes all measurements from the screen Add Hot Spot adds a moving cursor that automatically displays the hottest spot in the image Designated by SH and H Add Cold Spot adds a moving cursor that automatically displays the coldest spot in the image Designated by SL and L Add Spot adds up to 2 fixed cursors user adjustable by the cursor editing mode Designated by S1 1 and 82 2 Horizontal Adds horizontal line measurement to display profile of temperatures along the line Designated by LH Either Horizontal or Vertical can be enabled at one time but not both Vertical Adds vertical line measurement to display profile of temperature along the vertical line Designated by LV Either Horizontal or Vertical
13. e warning will be displayed and the instrument will turn off in approximately 3 seconds 13 LT3 LI7 Thermal Image Camera User Manual 4heat Warning Powering Off Powering off display It s better to replace batteries now 3 2 Battery safety and usage Batteries should be stored in an ambient temperature of 4 F 20 C to 67 9 F 20 C Lithium batteries will self discharge during storage so they should be fully charged before storage Self discharge may affect long term battery performance Furthermore it is recommended that the battery should be charged in a set time as below Ambient temperature of e 4 F 20 C to 67 9 F 20 C once every 6 months 67 9 F 420 C to 113 F 445 C once every 3 months 0113 F 445 C to 149 F 60 C once every month Battery should have greater than 50 charge prior to recharge The ambient temperature for charging should be 32 F 0 C to 104 F 40 C Ifunder 32 F 0 C the battery capacity will be diminished if over 104 F 40 C the battery may overheat resulting in permanent damage WARNING e Never disassemble incinerate or puncture battery e Never short circuit the battery e Keep battery dry e Keep out of reach of children e Always dispose of battery in accordance with local state and federal regulations 14 LT3 LI7 Thermal Image Camera User Manual 4heat 3 3 Quick access 3 3 1 Capture an image Af
14. ent Save key Initiates the save routine IR CCD Switches between IR image and CCD image Video Mode Allows selection of PAL or NTSC video output Standby Time Allows user to select None 2 5 10 or 15 minutes If no button depressions are made during the set time the camera will turn off the screen automatically to prolong battery life Press any key except power key to reactivate the screen If set to None the function is disabled AutoOffTime Allows user to select None 2 5 10 or 15 minutes If no button depressions are made during the set time the camera will turn off the main power automatically to prolong battery life If set to None the function is disabled When StandbyTime is enabled AutoOffTime will start calculating from StandbyTime 26 LT3 LI7 Thermal Image Camera User Manual 4heat 4 4 6 System Info Press Menu key to activate the main menu Select Setup gt Sys Info and press Confirm key to open the System Information dialog box It displays the Model number Serial number Version number and Date of Manufacture 4 4 7 Factory Default It is used for resetting factory defaults Press Menu key to activate the main menu Select Setup gt Default and press Confirm key to open the Reset dialog box Press Confirm key to reset the factory default Press C key to cancel the reset operation Appendix B indicates the detailed factory default parameter table 27 LT3 LI7 Thermal Image Camera
15. he new image will be assigned a new image number while the old image will remain unchanged Save Setting Link Save 31 LT3 LI7 Thermal Image Camera User Manual 4heat 4 5 4 Auto Save Auto Save allows the camera to automatically save images at a user specified interval Voice annotation is inactive with Auto Save With Auto Save set to 0 the function is disabled To enable select 10 to 3600 seconds 1 hour in 1 second increments To set press Menu key to activate the main menu Select File gt Auto Save press Confirm key to display the Auto Save dialog box Press Left and Right keys to set the values Press the Confirm key to accept and recording timer will start saving images at the selected interval 4 5 5 Delete Used for deleting the image When camera is in image replay mode press Menu key to activate the main menu select File gt Delete press Confirm key to pop out the below prompt box Press Confirm key to delete the current opened image If it has voice comment it will be deleted together Press C key to cancel the deletion CAUTION Before deleting make sure the file 1s not needed or already backed up Files cannot be recovered after deletion 32 LT3 LI7 Thermal Image Camera User Manual 4heat 4 5 6 Format Format is used for formatting the TF card Press Menu key to activate the main menu Select File gt Format and press Confirm key to pop up the below dialog box Press Confirm key to do format
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17. item contents NOTE If the imager is not used for a long period the system clock may need reset due to the internal battery being depleted 4 4 5 System setup System Setup Press Menu key to activate the main menu Select Setup gt Sys Setup and press Confirm key to open the System Setup dialog box User can set Language Auto calibration LCD brightness Trigger assignment Video mode Standby time and Auto off time Press Up and Down keys to choose menu items Left and Right keys to modify the item contents 25 LT3 LI7 Thermal Image Camera User Manual 4heat Language Select system language from 9 English Spanish French German Italian Portuguese Korean Japanese Russian Auto Calibration Select Auto Calibration and press right arrow key Auto Calib mode dialogue box will pop up User can select from 3 modes long short or customize Customize can guide user to set the time interval for auto calibration Range is 0 which is Off and 30 to 600 in 1 second increments Auto calibration is used to improve image quality and measurement accuracy during use LCD Brightness User can select the brightness of LCD display with choices being 20 40 60 80 and 100 Trigger User can define the trigger key function from Laser Spot Temp Area Temp Save key and IR CCD Laser Allows user to Turn on and turn off the laser sight Spot Temp Adds or deletes Spot Measurement Area Temp Adds or deletes Area Measurem
18. l make automatic correction to get the most accurate thermal measurement 3 Cancel Camera key Marked Cc Pressing and releasing the C key cancels the present operation when in Menu mode Pressing and releasing the C key when an image is frozen or being viewed from 8 LT3 LI7 Thermal Image Camera User Manual 4heat memory will return to real time measurement status When not in menu mode or parameter editing pressing and releasing the C key will toggle between the thermal image and the visible CCD camera image When a parameter is selected such as a measurement cursor pressing the C key will delete the highlighted measurement 4 Freeze Save key Marked S Used for freezing or saving thermal image Press the key once to freeze the image Press Confirm to save the image or Press C to return to real time measurement If Voice recording is enabled Voice comment dialog box will display 5 Menu Confirm key bar Includes Up Down Left Right and Menu Confirm center keys Function varies with operation mode In Menu mode it is used for menu selection Up and Down keys are for same level of menu operation Left and Right keys are for different levels menu operation Confirm key center is to activate the menu and confirm the choice In Image mode press Up or Down key to activate X2 digital zoom The screen will display X2 in the upper left corner Press Up or Down key to return to the original i
19. l and span control C F or K measurement scale 11 user selectable color palettes 9 user selectable languages Hot temperature spot measurement Cold temperature spot measurement 4 removable spot measurements High temperature Alarm setting T Reflect Reflected temperature compensation 2X digital zoom Freeze screen for viewing current image Video Output NTSC or PAL 3 Areas measurements 2 lines measurements Image storage via TF card CMOS visible image and storage Audio recording Isotherm Alarm T Correct Measurement Offset correction Built in Emissivity Table list of common materials LT3 LI7 Thermal Image Camera User Manual 4heat Upgrades and Options LT3 amp LT7 Series models are factory upgradeable for Wide Angle or Telephoto Lenses Applications Preventive maintenance Power industry Power line and power facility thermal state checking problem and defect diagnosis Electrical system Identify potential circuit overloads Mechanical system Reduce downtime and avoid catastrophic failure Construction science Roof Quick identification of water penetration problems Structure Commercial and residential energy audits Moisture detection Determine root cause of moisture and mildew Evaluation Evaluate the resolution to ensure the area completely dry Others ron and steel industry Inspect steel refining and rolling processes diagnose hot blast stove defects detect the embr
20. mage In Spot Measurement editing mode activated immediately after adding a spot or by selecting via the A key press the Menu key to pop up the attribute box Press four navigation keys to move the spot location In line temperature measurement editing mode activated immediately after adding a line or by selecting via the A key press the Menu key to pop up the attribute box If measurement line is horizontal press Up and Down keys to move the line location press Left and Right keys to move the reference line If measurement line is vertical press Left and Right keys to move the line press Up and Down keys to move the reference line In area measurement editing mode activated immediately after adding an area or by selecting via the A key press the Confirm key to pop up the attribute box Select in the attribute box the parameter to be edited either size or position Press the four navigation keys to move the area location or change the size of the area 6 Trigger Shortcut key The trigger key serves as a shortcut to access the following functions 9 LT3 LI7 Thermal Image Camera User Manual 4heat Laser Pulling trigger activates laser sight and releasing deactivates it Spot Pulling and releasing trigger adds a spot Pulling and releasing trigger again removes the spot Area Pulling and releasing trigger adds an area Pulling and releasing trigger again removes the area Save the same with S key pressing
21. nual 4heat 4 5 3 Save Setting The Save Setting menu allows enable disable of the CCD Camera and voice recording Press Confirm key to activate the main menu Select File gt Save Setting press Confirm key to display the Save Setting dialog box Press Up and Down keys to choose the option Press Left and Right keys to set On or Off Link Save With Link Save On the imager will always save an IR image and a CCD image with every save operation With Link Save off the imager will only save whichever image the camera is viewing at the time of the save NOTE When Imager is in the visible camera mode thermal detector calibration does not occur and may result in lower accuracy images when saved Always save thermal images with thermal camera active when Link Save is ON NOTE When Imager is in Link Save Mode a prompt Please do now move when in link save CCD image previewing will pop up Then thermal image is switched to CCD image user confirm two images whether consistent After confirm Save thermal image is back again Voice Save With Voice Save On the imager will start the voice record cycle after confirmation of the save image No recording will occur with Voice Save set to Off Voice save setting is ignored with the Auto Save function NOTE To add voice comment to an image enable Voice Save open the image to be modified and select File gt Save The imager will prompt you to record the message and t
22. odification of selected parameters It is obtained by a guick press and release less than 2 seconds with this functions to modify their parameters Subsequent presses will scroll through the available parameters The selected function will be highlighted in yellow The functions include Measurement points areas and lines Cursors and lines pressing the arrow keys will move their position Pressing the Menu key will pop up the attribute box Pressing the C key will delete the selected parameter Areas Arrow keys adjust the attribute specified in the pop up attribute box Pressing the Menu key will pop up the attribute box In this box the user can select to adjust either position or size of the area After selection the arrows will then adjust the attribute Color Palette Pressing the left or right arrows will scroll through the available color palettes displaying their name above the palette The selected palette will become active after about 3 seconds of selecting it and will be set as the default power on palette Level Span values Pressing the left or right arrow will reduce or increase the Span and pressing the up or down arrow will reduce or increase the Level If the unit is in Automatic mode modifying any of these parameters will select Manual mode b The second function performed is to force an internal calibration cycle This is performed by pressing and holding the A key for 5 seconds or more The camera wil
23. s attributes select the measurement parameter and then press the Confirm key The screen will display the settings dialog box The below figures are spot line and area measurement respectively Settings Emissivity Set Ref LI3 LI7 Thermal Image Camera User Manual Aheat Spot settings include emissivity and reference temperature When Set Ref is set as Yes the displayed values of other measurements will be their delta from this measurement Area settings can modify the emissivity area measurement type and area move parameter Measurement types are Min Temp Max Temp or Average Temp Area Move parameter choices are Position or Size The selected parameter will be adjusted by the directional arrow keys When Set Ref is set as Yes the displayed values of other measurements will be their delta from this measurement 3 3 3 Freeze and save image Press S key to freeze the image and select C to exit the operation There are three ways to save the image Press S key to freeze the image and then select Save to save the image or select Cancel to exit the operation Press Menu key to activate the main menu Choose File gt Save and the system will initiate the save cycle e With the Trigger parameter located in Setup gt Sys Setup gt Trigger set to Save Key pulling and releasing the trigger key will initiate the save cycle 16 LT3 LI7 Thermal Image Camera User Manual 4heat
24. spot temperature Yellow crosshair and show by 5 Emissivity Indicates Imagers emissivity setting 6 Minimum temperature Indicates minimum value of the palette 7 Palette Palette bar User can choose different palettes 8 Maximum temperature Indicates maximum value of the palette 9 Battery status Indicates the current battery status 10 11 Result Indicates the temperature value of the target object Black and yellow denotes the temperature value of the selected object 12 Temperature unit Three options C F or K 13 External lens symbol Displays 0 5x for wide angle or 2x for telephoto lens 14 SD card symbol Displays TE when TF card is installed 15 Digital zoom symbol Displays X2 when digital zoom is activated NOTE Not all models have all functions so the working status screen may not show all features 18 LT3 LI7 Thermal Image Camera User Manual 4heat 4 1 2 Main menu 1 Main menu Displays four options Measurement auto manually Setup and File 2 Low level menu The gt indicates a low level menu is available accessed by the right arrow key 4 1 3 Dialog box Measuring Setup Ler Ande DNS 2 20 180 1 Dialog box name Displays the dialog box name e g Measuring Setup 2 Item title A dialog box may contain several items such as Temp Range 3 Item content Items show specified content Black means valid or changeable and whit
25. ter installing the battery press and hold the power key gt 3 seconds until the display comes on After approximately 50 seconds the power on routine will finish and the camera will start its measurements Remove the lens cap and aim at the target Adjust the focus for the clearest target thermal image NOTE Failure to properly focus the camera will result in increased measurement error When the image quality become worse or ghost image appeared please press button A for a long time to compulsion in force 3 3 2 Temperature measurement If no measurement cursors are on screen add a measurement spot area or line by pressing MENU and selecting Measurement Press CONFIRM and scroll left or right to select the proper measurement parameter Aim the cursor indicator onto the target object on the screen The temperature will be displayed in the upper right corner of the screen For highest accuracy measurements force a calibration cycle by pressing the A key for 5 seconds until Calibrating appears in upper left portion of display If you want to measure the current thermal image in detail press S key to freeze the image for on screen analysis Save the image if future analysis is desired For details see Section 4 If the target object s temperature is lower or higher than the limits of the camera it will display lt XXX or gt XXX with XXX being the min or max temperature of the selected range To modify the measurement
26. to initiate a Save cycle IR CCD Pulling and releasing trigger toggles between the IR image and the CCD image 7 Microphone Used for recording a voice message with the Saved image See Section 4 5 3 for details 10 LT3 LI7 Thermal Image Camera User Manual 4heat 2 2 Interface 1 USB output Inserting USB cable to this port and connecting to computer for data transmission only support USB2 0 2 TF Card slot Accepting standard size TF card such as supplied 2GB capacity card for device upgrade or image storage 3 Video port It is a video output interface 4 Power interface External power input interface Power source should be 12VDC Center pin is positive terminal 11 LT3 LI7 Thermal Image Camera User Manual 4heat 3 Basic operation 3 1 Battery Installation and Replacement 3 1 1 Inserting or removing battery Battery compartment is located inside the handle Turn the cover counter clockwise to remove Remove battery for replacement Insert the battery the battery contacts must face into the battery compartment LT3 LI7 Thermal Image Camera User Manual 4heat Replace the cover and screw down CAUTION Use only original manufacturer replacement battery Use of incorrect battery may result in physical or electrical damage to the instrument due to incorrect voltage or physical size difference 3 1 2 Replacing battery When battery has approximately 5 charge remaining th
27. verage will have to meet or exceed the set temperature in order to trigger the alarm Temp Alarm Off disables alarm function On enables alarm function and allows setting of Set Alarm Temp and Alarm Color Alarm type set as high temp trigger alarm when higher than temp of Set Alarm Temp set as low temp trigger alarm when lower than temp of Set Alarm Temp Alarming Color Selects the color in which the alarming pixels are displayed If set to None no changes are made to the screen s color Only enabled when Temp Alarm is set to On Isotherm Color Activates the Isotherm display by displaying the image in the set temperature range by the specified color Setting to Off disables the feature Isotherm Temp Sets the center temperature of the isotherm Isotherm Width Sets the width of the displayed Isotherm band For example if Isotherm Temp is set to 122 F 50C and Isotherm Width is set to 1 C the isotherm band will be from 121 5 F 49 5C to 122 5 F 50 5C 24 LT3 LI7 Thermal Image Camera User Manual 4heat 4 4 4 Date Time setup Date Time Allows the user to set the system date and time After setting the camera will save the current setting Press Menu key to activate the main menu Select Setup gt Date Time and press Confirm key to open the Date Time dialog box User can set Year Month Day Hour Minute and Second Press Up and Down keys to choose menu items Left and Right keys to modify the
28. yo temperature of armor plate etc Fire fighting Forest fire prevention and detection of latent ignition source Preventive detection on specific materials of auto ignition Detection of potential spark ignition sources Medical Human body surface temperature detection and screening Petro chemical Oil pipeline status inspection material surface temperature detection insulation inspection power equipment status etc LT3 LI7 Thermal Image Camera User Manual 4heat 1 1 Standard accessories Infrared thermal image camera with wrist strap Carrying case Video out cable Lithium batteries 2 User manual Infrared report and analysis software system CD Lithium battery charger Lens cap TF card TF card reader USB cable 1 2 Optional accessories External 0 5x wide angle lens External 2x telescopic lens Sun Shield patch European standard plug British standard plug Australia standard plug Power adapter with power cable and plug User Manual Report Software User Manual LT3 LI7 Thermal Image Camera User Manual 4heat 2 Camera overview 2 1 Function keys LT3 LI7 Thermal Image Camera User Manual 4heat 1 Power key Press and hold the Power Key for gt 3 seconds to power on off the camera Note After powering off please wait ten seconds before powering the camera on again 2 Select Auto key Marked A The A or attribute button performs 2 functions a The first function is m
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