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optris PI Operator's Manual

Thermal imager
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Summary of Contents for optris PI

  • Page 1 ® optris Thermal Imager Operator’s manual...
  • Page 3 If the failure results from misuse or neglect the user has to pay for the repair. In that case you may ask for a cost estimate beforehand. optris PI – E2010-03-A...

  • Page 4: Table Of Contents

    Appendix B – Emissivity Table Non Metals Options menu Appendix C – Interprocess communication (COM) 60 Options: General Appendix D – Interprocess communication (IPC) Options: Directories Appendix E – PI Connect Resource Translator Options: Histogram Appendix F – PI Interface optris PI – E2010-03-A...

  • Page 5: Welcome

    Thank you for choosing the optris PI thermal imager! The optris PI calculates the surface temperature based on the emitted infrared energy of objects [► Basics of Infrared Thermometry]. The two-dimensional detector (FPA - focal plain array) allows a measurement of 160 x 120 pixels and will be shown as thermographic image using standardized palettes.

  • Page 6: Scope Of Supply

    Table tripod Thermographic software PI Connect Operators manual Transport case optris PI Thermal Analysis Kit optris PI Thermal Imager incl. 31°, 9° and 64° lenses 2 USB cables (1 m and 10 m) Process interface cable Tripod Thermographic software PI Connect Calibration certificate (incl.

  • Page 7: Maintenance

    In case of problems or questions which may arise when you use the infrared camera, please contact our service department. Factory Default Settings The unit has the following presetting at time of delivery: Temperature range -20...100 °C Emissivity 1,000 Process interface (PIF) inactive Interprocess Communication (IPC) inactive Measurement function Rectangle measure area optris PI – E2010-03-A...

  • Page 8: Technical Data

    Input Process Interface (PIF in) 0-10 V (Emissivity, Ambient temperature, Reference temperature, Flag control, triggered video or triggered snapshots) Digital Input Process Interface Flag control, triggered video or triggered snapshots) Digital interface USB 2.0 PI Interface] [► optris PI – E2010-03-A...

  • Page 9: Measurement Specifications

    Measure points (1x1, 3x3 or 5x5 pixels); free adjustable location Measurement rectangle; Size scalable; free adjustable location Both of these functions can be combined with the signal processing features: Average, MAX, MIN value. Software PIConnect at ambient temperature 23±5 °C; whichever is greater optris PI – E2010-03-A...

  • Page 10: Mechanical Installation

    Mechanical Installation The PI is equipped with two metric M4 thread holes on the bottom side (6 mm depth) and can be installed either directly via these threads or with help of the tripod mount (also on bottom side). optris PI - drawing...
  • Page 11 Mounting accessories (optional) Mounting base, stainless steel, adjustable in 2 axes Product code: ACPIMB Protective housing, stainless steel, Incl. Mounting base Product code: ACPIPH optris PI – E2010-03-A...

  • Page 12: Electrical Installation

    Electrical Installation At the back side of the PI you will find two connector plugs. Please connect the supplied USB cable with the right plug. The left connector plug is only used for the process interface. Backside of camera with connectors...
  • Page 13 High temperature accessories (optional) optris PI can be used at ambient temperature up to 50°C At higher temperatures (up to 315°C) the cooling jacket should be used. Cooling jacket for optris PI Product code: ACCJPI Mounting bracket for cooling jacket,...
  • Page 14 Cooling jacket dimensions: optris PI – E2010-03-A...

  • Page 15: Process Interface

    Process Interface The PI is equipped with a process interface, which can be programmed via the software as Analog Input [PIF in] and Digital Input [PIF Digital Input] (to control the camera) or as Analog Output [PIF out] (to control the process).

  • Page 16: Start-Up

    After the software has been started, you should see the live image from the camera inside a window on your PC screen. In case you are using more than one PI simultaneously go to Devices to select required PI from the list. The sharpness of the image can be adjusted by turning the exterior lens ring.

  • Page 17: Software Pi Connect

    [Start]\Programs\Optris GmbH\PI Connect. If you want to uninstall the software from your system please use the uninstall icon in the start menu. PI Connect software can be started with additional starting parameters using the command line Command line parameters: opens this help dialog...
  • Page 18 Overview optris PI – E2010-03-A...
  • Page 19 Histogram: Shows the statistic distribution of single temperature values. Automatic/ Manual scaling of displayed temperature range </> : Min, Max 1σ : 1 Sigma 3σ : 3 Sigma Icon enabling switching between palette colors Icon for quick access to Image Substraction function optris PI – E2010-03-A...

  • Page 20: Menus

    Save captured video is used for saving of thermographic video files (standard AVI format or radiometric RAVI format). Reopen shows a list of recently opened files. Play, Pause, Stop and Record are controlling the recording and play back of video files. Snapshot is used for saving of single pictures (JPG). optris PI – E2010-03-A...

  • Page 21: Edit Menu

    Not selected video sequences will be deleted by choosing Trim to selection option Time bar: Selected video sequence will be deleted by choosing Cut out selection option Green colored notice bar showing the video file name being edited optris PI – E2010-03-A...

  • Page 22: View Menu

    Temperature range bar and Rulers on the screen individually or show/hide all of them. You can individually change the positions of the display windows within the desktop area (drag & drop) Relocating of display windows (example: control displays ) optris PI – E2010-03-A...
  • Page 23 The menu item Use contrast color can be used for highlighting particular information within the IR image by choosing different color. Using contrast color for better visibility of the Infrared image without using the contrast color information within the infrared image optris PI – E2010-03-A...
  • Page 24 In the menu item Layouts you can manage the pre-designed or your own image layouts You can save these layouts under user-defined names or delete existing layouts Pre-designed layouts help the user to select ideal visualisation for his application optris PI – E2010-03-A...
  • Page 25 Examples of pre-designed layouts: Multipoint layout Linescanner layout Scientific layout optris PI – E2010-03-A...

  • Page 26: Devices Menu

    After activating the image substraction function the Image substractrion is not activated. current temperature difference compared to the previous The current averaged temperature of the image is dislayed. measure area is displayed in the right top corner. optris PI – E2010-03-A...

  • Page 27: Tools Menu

    In the Language section you can choose from all installed languages. Extended enables to boot the calibration data for the currently connected PI Help menu In the Info submenu you will find the version name of PI Connect software you are currently running. optris PI – E2010-03-A...

  • Page 28: Options Menu

    If activated a reminder will appear to warn you on unsaved data or setups before shutting down the software Prevent screensaver: Deactivates the screensaver Application title bar: In this field it is possible to rename the title bar shown in the program window (PI Connect by default) optris PI – E2010-03-A...

  • Page 29: Options: Directories

    Options: Directories Palette directory: Path leading to your folder where your color pallets are saved Temporary recording file Choose directory for saving your temporarily recorded video file. Every new record will overwrite the previous one! optris PI – E2010-03-A...

  • Page 30: Options: Histogram

    Display mean and sigma value: Average temperature and variance (statistical dispersion) can be displayed Class size: number of values measured which should be affiliated to one class. optris PI – E2010-03-A...

  • Page 31: Options: Ext. Communication

    If selected the data values sent out by the camera can be transmitted via specified COM-port. The baud rate can be changed accordingly. You will find ore details on using IPC und Comport on the CD provided] [► optris PI – E2010-03-A...

  • Page 32: Options: Extended

    Display frame rate: Display frame rate can be defined in this tab. You can choose whether average, minimum or maximum values should be displayed or whether skipping of values within specified frame rate should be used. For less powerful computers might be useful to choose Performance optimization. optris PI – E2010-03-A...

  • Page 33: Configuration Menu

    Blue Hi Select palette: Choose from the list of color pallets to achieve the ideal displaying of the infrared image. Mirror: Sometimes, depending on the fitting position of the PI, it is useful to mirror the camera image horizontally or vertically.
  • Page 34 Examples of various color pallets: Iron Blue Hi Rainbow Rainbow Hi Rainbow Medical Gray (Black = Cold) Using this tool bar button you can easily switch from one color palette to another optris PI – E2010-03-A...

  • Page 35: Configuration: Measure Areas

    One measure area from the list can be appointed as the Main area (temperature of the main area converted into electrical signal can be also transmitted via Process Interface (PIF) By selecting Show in image measure areas can be displayed in the infrared image optris PI – E2010-03-A...
  • Page 36 (spot with highest temperature in the image) or a cold spot (spot with lowest temperature in the image) Measure area assigned to a temperature profile Measure area assigned to a temperature (imeasure point ) (reactangle) optris PI – E2010-03-A...
  • Page 37 In case that you are using the Cold spots or Hot spots search function here you can define areas which will be from the search excluded. This means that in here defined area/areas will not be searched for Cold or Hot spots. These areas can be positioned anywhere within the camera image. optris PI – E2010-03-A...

  • Page 38: Configuration: Temperature Profile

    Up to 2 temperature profiles graphically reproducing the temperature development can be generated. The profiles are labelled as Profile 1 and Profile 2. Position of the profiles can be defined via coordinates (P1, P2) or by dragging the grippers directly in the image. optris PI – E2010-03-A...
  • Page 39 1. Profile curve fills out the whole profile diagram independent from the size of the profile/s (Image 1) 2. Profile curve fills out only parts corresponding with the actual length of the profile/s within the camera image (Image 2) optris PI – E2010-03-A...
  • Page 40 Use Bind to temperature profile to assign various measure areas to the temperature profile Number of areas as well as the mode (measure area type) can defined by the user. You may also specify the width and height of the areas. Save the settings by pressing the Create button. optris PI – E2010-03-A...

  • Page 41: Configuration: Device

    Therefore a shutter (or flag) is released in regular intervals. The flag can be also used to protect the detector from potentially dangerous radiation (for example laser radiation). optris PI – E2010-03-A...
  • Page 42 Process Interface input (PIF in). Using comparisons of reference temperature source automatic or user-defined adjustments of object temperature can be carried out Temperature range Temperature range from 20°C to 100°C, from 0°C to 250°C or from150°C bis 900°C are available. optris PI – E2010-03-A...
  • Page 43 Radial Distortion Correction This function enables alteration of the original shape of the image delivered by the PI Applying positive numbers would achieve so called "pincushion distortion" (image magnification increases with the distance from the optical axis). If you put negative number the „barrel distortion" will be achieved (image magnification decreases with distance from the optical axis).
  • Page 44 Lenses According you your requirements the PI camera can be supplied with 31°, 9° or 64° lens/lenses. 31° lens 9° lens 64° lens optical parameters of the lenses optris PI – E2010-03-A...
  • Page 45 (31° x 23°) with macro adjustments The telescope lens (9° x 7°) is suitable for measurement at Telescope lens greater distance (9° x 7°) optris PI – E2010-03-A...
  • Page 46 The wide angle lens (64° x 50°) is suitable for measurement of very high or very wide object at smaller distance Wide angle lens (64° x 50°) optris PI – E2010-03-A...

  • Page 47: Configuration: Device (Pif)

    Configuration: Device (PIF) The PI is equipped with a process interface, which can be programmed via the software as Input [PIF in] (to control the camera) or as Output [PIF out] (to control the process). Process interface (PIF in): Programming of the PIF as input (0-10 V) to control the emissivity setting, ambient temperature value, reference temperature value or flag remotely.
  • Page 48 Process interface (digital input): Process Interface can be also defined as a digital input. Via this input (low or high level can be specified) flag function, recordings or snapshots can be controlled remotely. optris PI – E2010-03-A...

  • Page 49: Configuration: Recording

    Recording frame rate: Mode defines which values should be recorded within particular frame rate. Should you select the Extended averaging option averaging time can be set additionally. Recording time limit: Definition of fixed recording time (in seconds) optris PI – E2010-03-A...
  • Page 50 In the provided text field you can define prefix for recorded videos or snapshots. In the Path text field you can specify the destination folder you wish to save your records to. Your snapshots can be saved as JPG, TIFF or CSV file format. optris PI – E2010-03-A...

  • Page 51: Configuration: Playing

    Playing tab offers you to modify the play rate of recorded videos. Replaying of recorded videos in a loop is also possible. Snapshots/Copy to clipboard tab allows you to decide if you want to keep the genuine resolution of recorded snapshot copied to clipboard and whether the overlay information in the image should be also saved. optris PI – E2010-03-A...
  • Page 52 Display mean and sigma value: Average temperature and variance (statistical dispersion) can be displayed Class size: number of values measured which should be affiliated to one class. optris PI – E2010-03-A...

  • Page 53: Configuration: Ext. Measuring Colors

    List of colors and color palletes are available to find the right contrast. Camera image using Gray color pallet option. High alarm set on 75°C so that pixels showing higher temperature will appear red. optris PI – E2010-03-A...

  • Page 54: Configuration: Extended Arranging

    "Resulting size" field (all predefined angle options from the second row have screen diagonal of 200 pixels) Zoom: In this section specified measure area can be zoomed. User defined arranging: In this field previously arranged files can be opened. optris PI – E2010-03-A...

  • Page 55: Configuration: Alarms

    By activating the alarm function a red alarm button will appear on the toolbar. You can deactivate the visual and acoustic alarm by clicking on the alarm button. The alarm will stay deactivate until the alarm value is reached again. optris PI – E2010-03-A...
  • Page 56 Optionally you can tick off that recording should be stopped automatically if the alarm condition no longer applies. Taking (and saving) a snapshot image automatically every time that the alarm is activated is also possible. optris PI – E2010-03-A...

  • Page 57: Basics Of Infrared Thermometry

    Distance to Spot size. The spectral filter selects the wavelength range, which is relevant for the temperature measurement. The detector in cooperation with the processing electronics transforms the emitted infrared radiation into electrical signals. optris PI – E2010-03-A...

  • Page 58: Emissivity

    ACLSED) onto the measuring object, which covers it completely. Now set the emissivity to 0,95 and take the temperature of the sticker. Afterwards, determine the temperature of the adjacent area on the measuring object and adjust the emissivity according to the value of the temperature of the sticker. optris PI – E2010-03-A...
  • Page 59 ►Appendix A and B. These are average values, only. The actual emissivity of a material depends on the following factors: temperature measuring angle geometry of the surface thickness of the material constitution of the surface (polished, oxidized, rough, sandblast) spectral range of the measurement transmissivity (e.g. with thin films) optris PI – E2010-03-A...

  • Page 60: Appendix A - Emissivity Table Metals

    0,7-0,9 Iron non oxidized 0,05-0,2 non oxidized 0,05 rusted 0,5-0,7 Titanium polished 0,05-0,2 oxidized 0,5-0,9 oxidized 0,5-0,6 forged, blunt Wolfram polished 0,03-0,1 Iron, casted non oxidized Zinc polished 0,02 oxidized 0,6-0,95 oxidized Lead polished 0,05-0,1 optris PI – E2010-03-A...
  • Page 61 Glass 0,85 Grit 0,95 Gypsum 0,8-0,95 0,98 Limestone 0,98 Paint non alkaline 0,9-0,95 Paper any color 0,95 Plastic >50 µm non transparent 0,95 Rubber 0,95 Sand Snow Soil 0,9-0,98 Textiles 0,95 Water 0,93 Wood natural 0,9-0,95 optris PI – E2010-03-A...
  • Page 62 (a brief overview) Introduction One of the features of the Optris PI Connect software ist he ability to communicate via a serial comport interface. This can be a physical comport or a Virtual Comport (VCP). It must be available on the computer where the PI connect software is installed.

  • Page 63: Appendix D - Interprocess Communication (Ipc)

    Appendix D – Interprocess communication (IPC) of the Optris PI Connect Software The communication to the process imager device is handled by the Optris PI Connect software (Imager.exe) only. Optris supplies a dynamic link library (ImagerIPC.dll) that serves the interprocess communication (IPC) for other attached processes.

  • Page 64: Appendix E - Pi Connect Resource Translator

    Introduction Introduction Optris PI Connect is a .Net Application. Therefore it is ready for localization. Localization as a Microsoft idiom means the complete adaption of resources to a given culture. If you want to learn more about the internationalization topics please consult Microsoft’s developer documentation (e.g.: http://msdn.microsoft.com/en-us/goglobal/bb688096.aspx).

  • Page 65: Appendix F - Pi Interface

    Appendix F – PI Interface 12V output: With no load the isolated output voltage is about 12V. Isolation voltage to USB power: >1000 VDC You can drive as maximum 10mA from the 12V out (pin 2) or or or or from the analog output (pin 4).
  • Page 66 The analog output (0 … 10V) has a 100 Ohm resistor in raw. With a maximum current of 10ma the voltage drop is 1V. Having an alarm LED with a forward voltage of 2V the analog output value for “alarm on” should be 3V as maximum Digital input: optris PI – E2010-03-A...
  • Page 67 The digital input can be activated with a switch to the PI GND or with a low level CMOS/TTL signal. Analog input: Useful voltage range: 0 … 10V. optris PI – E2010-03-A...

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