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HT THT70n User Manual
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HT THT70n User Manual

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Copyright HT ITALIA 2020
Release EN 1.00 - 19/11/2020

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Summary of Contents for HT THT70n

  • Page 1 Copyright HT ITALIA 2020 Release EN 1.00 - 19/11/2020...
  • Page 2 THT70n TABLE OF CONTENTS 1  PRECAUTIONS AND SAFETY MEASURES ................1  During use ............................2     After use ............................2     2  GENERAL DESCRIPTION ....................... 2  3  PREPARATION FOR USE ....................... 3  Initial checks ............................. 3    ...
  • Page 3 THT70n please carefully follow the procedures described in this manual and read all notes preceded by symbol with the utmost attention. Before and after carrying out the measurements, carefully observe the following instructions: CAUTION  Do not carry out any measurements in case gas, explosive materials or flammables are present, or in humid or dusty environments ...
  • Page 4 THT70n extremely flexible way. It is also very easy to use and needs little maintenance. The main characteristics of the instrument are:  Infrared temperature measurement ranging from -20°C to 650°C  Built-in photo camera for a visible image  PiP Fusion and Auto Fusion (AUF) function ...
  • Page 5 THT70n forwarding agent. We also recommend checking that the packaging contains all components indicated in § 7.5. In case of discrepancy, please contact the Dealer. In case the instrument should be returned, please follow the instructions given in § 9.
  • Page 6 THT70n 4 NOMENCLATURE 4.1 DESCRIPTION OF THE INSTRUMENT Fig. 1: Description of the instrument's backside CAPTION: Audio/Microphone, USB, micro SD and HDMI LCD touch-screen display Lens associated with the IR sensor Function key (Image/video gallery) Function key (Laser/Distance) Function key Menu/OK...
  • Page 7 THT70n Fig. 2: Description of the instruments front side CAPTION: Built-in white LED illuminator Laser pointer Laser pointer for distance measurement Photo camera Lens associated with the IR sensor Slot for non-slip strap insertion Threaded hole (¼”) for tripod insertion...
  • Page 8 THT70n Fig. 3: Description of the upper part of the instrument CAPTION Slot for micro SD card insertion Micro USB port Headphone/microphone input HDMI video output EN - 7...
  • Page 9 THT70n 4.2 DESCRIPTION OF FUNCTION KEYS The instrument has 8 function keys described further in this text and a trigger key “T” with multiple functions. 4.2.1 Switching on the instrument 1. Press and hold key for 2s to switch on the instrument. After the initial splash screen is displayed (see Fig.
  • Page 10 THT70n 4.2.3 Key Press and hold key for 2s to switch on/off the instrument's laser pointer. The symbol “ ” is found in the top part of the display. The same key is also used for measuring the distance between the instrument and the framed target (see § 5.3.3).
  • Page 11 THT70n 5 USING THE INSTRUMENT 5.1 DESCRIPTION OF THE MAIN INTERFACE The instrument shows the following interface on the display: Fig. 6: Main instrument interface CAPTION Measuring unit of temperature (°C, °F, K) Measuring unit of distance (m, Ft) Set emissivity value Active zoom indication Number of detections statistically valid in Face Mode (see §...
  • Page 12 THT70n 5.2 IMAGE FOCUSING Focusing the IR image found on the instrument display must be performed manually by rotating the lens installed on the IR sensor (see Fig. 1 – Part 3). Keep the instrument steady while performing this operation.
  • Page 13 THT70n 5.3 MAIN MENU DESCRIPTION By pressing the key Menu/OK or by simply touching the display, the instrument shows/hides the following main menu on the display. Use the touch-screen or the arrow keys to select menu items. Fig. 8: Main instrument menu The following options are available: ...
  • Page 14 THT70n 5.3.1 Settings Menu By touching the icon , the instrument enters the “Settings” menu, in which it is possible to define the values of system parameters, the settings of measurements and the reset of the instrument. The following screen appears on the display: Fig.
  • Page 15 THT70n Fig. 11: USB mode 2. Touch the option “PC Connection” to make the instrument communicate with the PC. 3. Connect the instrument to the PC via the provided USB cable. The screen in Fig. 12 – left side appears on the display: Fig.
  • Page 16 THT70n Display brightness 1. Touch the item “Brightness” to adjust display brightness. The following screen appears on the display: Fig. 14: Adjusting display brightness 2. Touch and drag the white bar to adjust brightness, observing the display as you do so.
  • Page 17 ” is shown on the display 3. Touch item “SSID” to define a custom identification ID of the WiFi connection (default THT70n). The screen in Fig. 17 – left side appears on the display. Fig. 17: Definition of SSID and Password of the WiFi connection 4.
  • Page 18 THT70n Date/Time setting 1. Touch the item “Date/Time” to set the system's Date/Time. The screen in Fig. 18 – right side appears on the display: Fig. 18: System date/time setting 2. Touch the arrows “ ” or “ ” to perform setting. Options “AM” and “PM” indicate the time in a (0-12h) format, whole option “24Hr”...
  • Page 19 THT70n Auto power off setting 1. Touch item “Auto Power Off” to set the instrument's auto power off time. The screen in Fig. 20 – right side appears on the display: Fig. 20: Auto power off setting 2. Select one of the options: “OFF” (deactivation), 5MIn, 10Min, 15Min or 30Min and touch the arrow key “...
  • Page 20 THT70n 5.3.1.2 Menu “Measure settings” In this section (see Fig. 22), it is possible to define the type of measurement, the values of the compensation parameters and the settings of the alarm conditions. Touch the screen to activate/deactivate the desired options.
  • Page 21 THT70n Setting the distance measuring unit 1. Touch the item “Distance unit” to set the measuring unit of distance. The screen in Fig. 24 – right side appears on the display: Fig. 24: Menu Setting the distance measuring unit 2. Touch one of the options “m” (meters) or “Ft” (feet) and the arrow key “ ” to quit and confirm setting.
  • Page 22 THT70n Setting of temperature range 1. Touch the item “Temperature range” to set the instrument's measuring range of temperature (This option is relevant to the relevant to the Normal measuring mode). The screen in Fig. 26 – right side appears on the display: Fig.
  • Page 23 THT70n Fig. 27: Emissivity setting menu 2. Touch one of the items corresponding to the type of material and the arrow key “ ” to quit and confirm. To customize the emissivity value, see § 5.3.5. Setting Alarm mode 1. Touch the item “Alarm mode” to activate the acoustic alarm thresholds on temperature measurement associated to the objects inserted onto the image (cursor, dots, lines and areas) associated to the “Alarm”...
  • Page 24 THT70n Section Image Align In this section it is possible to align the IR image to the visible one shown on the display. These images could not be aligned due to the different position of the IR sensor and of the internal photo camera on the instrument.
  • Page 25 THT70n Fig. 31: Confirm memory deletion 2. Touch the option “Yes” to confirm deletion, or option “No” to cancel the operation and go back to the previous screen. 3. Touch the item “Default settings”. The following confirmation screen is displayed: Fig.
  • Page 26 THT70n 5.3.2 Measurement Menu Within this menu, it is possible to enable/disable different objects on the image, in order to prepare an advanced analysis of the temperature measurement. The instrument is provided with:  1 fixed cursor in a central position ...
  • Page 27 THT70n Cursors for “hot” and “cold” spots  Touch the icon “ ” to activate the dynamic cursors indicating the “hottest” (red) and “coldest” (blue) spots of the image.  The temperatures associated with the dynamic cursors (Hi and Lo) is shown in the top left-hand part of the display.
  • Page 28 THT70n Fig. 34: Indication of Face mode 4. The Face mode is linked to the setting of the alarm condition above threshold (see § 5.3.1.2) and to the value of the maximum threshold set (see § 5.3.6). 5. If the face temperature of the framed person is lower than the set threshold, it will be shown green in the top part o the shown area (see Fig.
  • Page 29 THT70n 5.3.3 Menu Image, Distance measurement and Zoom In this menu it is possible to select the type of image displayed, to measure the distance between the instrument and the framed target and to zoom in and out the image. The following options are available: ...
  • Page 30 THT70n Fusion image (Picture in Picture)  Touch the icon “ ” to display the Fusion image (IR within the visible image).  Use the arrow keys  or  or touch the arrow icons found in the “Fusion” box to adjust the IR level percentage ...
  • Page 31 THT70n 4. Touch the icon “ ” to activate the measurement of the distance between the instrument and the framed target. The screen in Fig. 37 – left side appears on the display. Fig. 37: Function for measuring distance with laser pointer 5.
  • Page 32 THT70n 5.3.4 Menu Palette and isotherm lines' functions In this menu, it is possible to select the type of colour palette associated with the IR image and define the parameters of the isotherm line function. 1. Touch the screen or press key Menu/OK to enter the main menu.
  • Page 33 THT70n 6. Touch the icon “ ” to activate the isotherm line function “Alarm low Temp.”. The following screen appears on the display: Fig. 41: Selection of isotherm line Alarm low Temp. 7. Touch the “Lo” field at the bottom of the display and use the arrow keys  or  to set the value of the minimum temperature threshold below which the instrument shows image spots in blue colour, and the remaining spots in grey colour (see Fig.
  • Page 34 THT70n 10. Touch the icon “ ” to activate the isotherm line function “Visible range”. The following screen appears on the display: Fig. 43: Selection of Visible range 11. Touch the “Hi” and “Lo” fields at the bottom of the display and use the arrow keys  or ...
  • Page 35 THT70n 5.3.5 Menu Parameters In this menu it is possible to set the value of the following correction parameters, necessary for a correct temperature measurement to be performed by the instrument:  Material emissivity  see § 5.3.1.2  Ambient temperature ...
  • Page 36 THT70n 1. Touch the screen or press key Menu/OK to enter the main menu. 2. Touch the icon “ ” to enter the “Parameters” menu. The following screens are shown on the display: Ambient Temp. setting  Touch the icon “ ” to open the section of which to define ambient temperature.
  • Page 37 THT70n Distance setting  Touch the icon “ ” to open the section of which to define the distance from target. The screen to the side appears on the display.  Use the arrow keys  or  or touch the arrow icons found in the “Distance”...
  • Page 38 THT70n 5.3.6 Alarm menu In this section, it is possible to set the high and low threshold values the instrument takes into consideration to activate the acoustic alarm on temperature measurements. CAUTION This function can only be used after activating the alarm condition in the “Settings”...
  • Page 39 THT70n 5.4 ADJUSTING THE IMAGE TEMPERATURE The instrument allows adjusting the temperature associated with the framed image on the display (levels high, low and span) as follows:  Automatic (AUTO) mode  the minimum and maximum temperature levels of the framed object on the display and associated with the colour palette are automatically defined by the instrument and dynamically vary when moving it.
  • Page 40 THT70n 4. Touch the icon “ ” near the levels to block the set temperature values. 5. Use the arrow keys  or  to set the temperature value associated with the high level by steps of 0.1°C (see Fig. 46 – middle).
  • Page 41 THT70n 5.5 SAVING IR IMAGES AND VIDEOS The instrument is capable of saving both IR images and videos in the internal memory or on the inserted micro SD card. Each image is automatically saved in a JPG (snapshot) and HIR format (which can only be opened via the software THTLink provided – see § 6).
  • Page 42 THT70n 6. Confirm saving the image with the text annotation by touching the icon “ ”. 7. Insert the connector of the earphone set into the “Audio” input of the instrument (see Fig. 3 – part 3) and touch the icon “ ” to add a voice annotation (max 60s for each image) to the image.
  • Page 43 THT70n 5.5.3 Gallery menu In this section if is possible to recall and display the gallery of IR images and videos saved in the instrument's menu or on the inserted micro SD card. In the same section it is possible to see the text annotations and listen to the voice annotations made while saving the images.
  • Page 44  Typically, the IFOV parameter (real) is always considered as approx. 3 times higher than the theoretical one, therefore the D:S ratio (real) is approx. 3 times lower than the theoretical one. This means that, for THT70n: D:S (real) ~ 433:1 EN - 43...
  • Page 45 THT70n 5.8 USE OF THE SCREENING MODE 1. Switch on the instrument. 2. Set the emissivity parameter to a value between 0.95 and 0.98 (typically 0.95). 3. Activate the “Screening” mode (see § 5.3.1.2). 4. Activate the alarm condition (see § 5.3.1.2) and set the maximum temperature threshold associated with one of the measuring cursors (see §...
  • Page 46 THT70n 6 USING THE THTLINK SOFTWARE The software “THTLink” can be used to analyse the images saved in the instrument's memory. 6.1 MINIMUM SYSTEM REQUIREMENTS Hardware: PC 3.70Ghz 32bit/64 bit RAM memory: Output interface: USB ports or SD card reader...
  • Page 47 THT70n 7 MAINTENANCE 7.1 GENERAL INFORMATION While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight.
  • Page 48 THT70n 7.3 CLEANING THE INSTRUMENT Use a soft and dry cloth to clean the instrument. Never use wet cloths, solvents, water, etc. 7.4 END OF LIFE WARNING: this symbol found on the instrument indicates that the appliance, its accessories and the batteries must be collected separately and correctly disposed of.
  • Page 49 THT70n 8 TECHNICAL SPECIFICATIONS Temperature measurement Range Resolution Accuracy (*) -20.0°C  650.0°C 2%reading or 2°C (higher value) 0.1°C -4.0°F 1202.0°F 2%reading or 3.6°F (higher value) 0.1°F (*) Environmental temperature: 10°C ÷ 35°C, Temperature of target: >0°C Temperature measurement in Screening mode...
  • Page 50 THT70n Display Characteristics: Colour, TFT LCD 3.5”, 640x480pxl capacitive touch-screen Mechanical characteristics Size (L x W x H): 260x101x120mm Weight (battery included): 850g 8.1 ENVIRONMENT 8.1.1 Environmental conditions for use Operating temperature: -15°C÷ 50°C (5°F÷ 122°F) Storage temperature: -40°C÷ 70°C (-40°F÷ 158°F) Allowable relative humidity: 10%RH ÷...
  • Page 51 THT70n 9 ASSISTANCE 9.1 WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product.
  • Page 52 Fax: +55 19 9979.11325 eMail: info@htinstruments.es eMail: ht@htitalia.it eMail: vendas@ht-instruments.com.br Web: www.htinstruments.es Web: www.ht-instruments.com Web: www.ht-instruments.com.br HT INSTRUMENTS USA LLC HT INSTRUMENTS GMBH HT ITALIA CHINA OFFICE 3145 Bordentown Avenue W3 Am Waldfriedhof 1b 意大利HT中国办事处 08859 Parlin - NJ - USA...

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