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Appendix A - Technical Reference

Imager Accuracy Chart

The following graph shows the measurement accuracy for a typical instrument over the
measurement range of 0 – 250ºC. The heavy lines show the specified accuracy.

100

150

200

250

SOURCE TEMPERATURE [C]

READING ERROR [C]

Specification

Measured Data

July 1, 2003

- 66 -

Version 1.0

Tel: (01943) 602001- WWW.ISSLTD.CO.UK - Fax: (01943) 816796

Summary of Contents for ThermoView Ti30

Page 1: ...i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796 Systems Services PO Box 1 Ilkley West Yorkshire LS29 8EU Phone 01943 602001 Fax 01943 816796 Phone 01943 602001 Fax 01943 816796 Ltd instrumentati...

Page 2: ...evel Thumbwheels 23 Focus Wheel 23 Trigger 24 Man Machine Interface Flow Charts 25 Main Loop 25 Image Recording Procedure 26 Emissivity Adjustment Procedure 26 Reflected Temperature Compensation Adjus...

Page 3: ...cted Temperature Compensation 49 Chapter 6 Organizing Your Data 51 File Management 51 Uploading Data to the Imager 52 Chapter 7 Analyzing Your Data 55 The Single Image Screen 55 Scale Limits 55 Isothe...

Page 4: ...Appendix B Infrared Theory Q A 71 Glossary 75 July 1 2003 4 Version 1 0 i i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796...

Page 5: ...ginal purchaser a purchase from Raytek or Raytek licensed distributors is an original purchase The warranty shall not apply to any product that has been subject to misuse neglect accident or abnormal...

Page 6: ...Customer Service Contact Information Instrumentation Systems Services Ltd P O Box 1 ILKLEY West Yorks LS29 9QE UK July 1 2003 6 Version 1 0 i i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796...

Page 7: ...ur specific equipment condition monitoring and asset management needs The ThermoView imager contains 100 image storage locations that can also be predefined with unique equipment data and parameters N...

Page 8: ...to 460 C 58 to 860 F Ambient Operating Temperature 0 to 50 C 32 to 122 F Relative Humidity 10 to 90 Non condensing Storage Temperature 25 to 70 C 13 to 158 F without batteries Storage Capacity Laser O...

Page 9: ...Quick Reference Card x 1 ThermoView Imager Docking Station x 1 Carrying pouch and 1 Wrist Strap x 1 Universal power supply and plug adapters x 1 USB Cable x 1 CD ROM containing multi language training...

Page 10: ...ery pack from the battery compartment The battery pack can be removed by sliding the lock tab towards the trigger Move the lock tab in this direction Once the lock is released the battery pack will sl...

Page 11: ...ry pack Figure 2 Battery Packs To replace the battery pack just slide it back in making sure the plastic tab lock is in the unlocked position to the right of the pack Use the rails on battery pack as...

Page 12: ...ously to indicate that charging is in progress This process can take from a few minutes to more than an hour x The red LED turns off once the battery pack is fully charged and the green LED on the rig...

Page 13: ...puter if the docking station s USB cable is connected to a computer running the InsideIR software Press the Restart Sync button to transfer stored images to the computer see Chapter 3 Downloading and...

Page 14: ...each setting on the imager Attaching the Wrist Strap Your ThermoView imager comes with a wrist strap which can be attached by clipping the metal part of the strap to the small metal bar at the base o...

Page 15: ...sed wait a minute and slide it open again Important Always dock the imager in the docking station when not in use By doing so you will assure the batteries will be always fully charged when using the...

Page 16: ...selected x Firmware revisions x Icons for LCD illumination palette type measurement mode and laser status Figure 7 The Information Screen Press the MODE button to exit the Information Screen Refer to...

Page 17: ...al scene Notice how the colors along the beginning of the color scale represent lower temperatures and colors along the end of the color scale represent higher temperatures Note At this point you prob...

Page 18: ...They activate some special functions as well The MODE button is used mostly to cycle between the different operations Details about the function of each button are discussed later Down button MODE but...

Page 19: ...hown The illustration below shows the top view of the switch bay without the door There is an icon printed near each switch and near each switch position indicating the function of each switch and swi...

Page 20: ...n Level adjustment Gain adjustment Laser ON OFF Centigrade Fahrenheit selection The Laser On Off toggle button switches the laser on and off By default the guiding tion you may or may not need the las...

Page 21: ...ot is not visible in the thermal image Important Avoid directing the laser to people s eyes See important safety information on the warning laser label located on the side of the unit There are differ...

Page 22: ...lette switch allows the ThermoView imager to display temperature patterns in three different palettes as indicated below x Rainbow x Ironbow x Grayscale See Selecting the Color Palette on page 42 for...

Page 23: ...Level manually See Selecting the Measurement Mode on page 42 for more information The default position is automatic mode Gain and Level Thumbwheels The Level Thumbwheel control adjusts the median poin...

Page 24: ...regular measurement mode pull the trigger momentarily release it and the thermal image on the display will be frozen so you can evaluate it for storage If you don t want to store it simply pull the t...

Page 25: ...Man Machine Interface Flow Charts Main Loop July 1 2003 25 Version 1 0 i i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796...

Page 26: ...Image Recording Procedure Emissivity Adjustment Procedure July 1 2003 26 Version 1 0 i i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796...

Page 27: ...Reflected Temperature Compensation Adjustment Procedure Recall Images Procedure July 1 2003 27 Version 1 0 i i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796...

Page 28: ...one two three etc up to 100 images x Point the ThermoView imager at the target you want to record Make sure the crosshatch at the center of the image pinpoints the spot of interest Pull the trigger on...

Page 29: ...rent location is shown on the display Use the Up and Down buttons to scroll through the images you have previously recorded All stored images can be downloaded to your computer later To go back to mea...

Page 30: ...putting the User s Manual CD back in your CD ROM drive Once the application launches and you ve selected your language click the Install InsideIR Companion Software button The installation wizard wil...

Page 31: ...Station s power jack x Connect the power plug to a power outlet Depending on the power requirements in your country you may need to use one of the several adapters provided that matches the power plug...

Page 32: ...Your computer will automatically launch its own driver installation program Follow the installation instructions You will only have to go through this process once You are now ready to launch the Insi...

Page 33: ...images now click the plus sign to the right of the Samples folder to open it Then double click on the session name My collection in our example below Figure 21 InsideIR Main Screen With Session Open J...

Page 34: ...process Figure 22 The SYNC button SYNC button When synchronization completes the following window appears Once all data are downloaded the information is saved into a temporary area where you may ins...

Page 35: ...s Following data storage the application automatically opens the folder called Images showing the newly saved collection of images The collection of images and their associated data is automatically s...

Page 36: ...imager because it records a time date stamp with each stored image This is important for meaningful reports and trending The imager s internal clock can only be set or changed from the computer You c...

Page 37: ...the calendar The following window appears x Click on the side arrow buttons to change the current year month x Click to select the day of the month The following windows appears July 1 2003 37 Version...

Page 38: ...nnect the cable to the Field USB port under the display See Figure 25 Once the cable is connected follow all steps previously described Field USB Port Figure 25 Field USB Port Looking at Your Download...

Page 39: ...thumbnail of the image you wish to view When viewing a single image you may move to the next or the previous image by clicking on the Previous Image or Next Image button on the left side of the screen...

Page 40: ...Figure 27 Viewing a Single Image July 1 2003 40 Version 1 0 i i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796...

Page 41: ...24 inches That means you have to be at least 61cm 24 inches away from your target to get it focused Rotating the Focus Wheel to the leftmost position as viewed from operator s perspective will focus...

Page 42: ...ale palette while you get a feel for the thermal scene you are viewing Then work with the available measurement modes and the Level and Gain adjustments before choosing which color palette to use Sele...

Page 43: ...age see Recording an Image on page 28 for more information or by pressing the Up button again while in the Automatic measurement mode The Quick Image Fix feature is active only when the unit is set to...

Page 44: ...d the desired level Tip Always begin by selecting the Automatic mode Automatic mode will suffice for most applications The unit automatically adjusts the image to show the lowest temperature value pre...

Page 45: ...f image noise Only bring the difference between MIN and MAX to the minimum when you absolutely need the best thermal resolution available Gain and Level Thumbwheels The Level Thumbwheel control increa...

Page 46: ...he actual temperatures of specific areas in electrical or mechanical equipment Although less common than qualitative inspections quantitative inspections are sometimes required One good example would...

Page 47: ...ted by dividing the distance by 90 at any point in the centerline of the cone Below it is presented the diameters S for three different distances 61cm minimum distance 2m and 5m There is no maximum di...

Page 48: ...position relative to the source of interference or pick a time when interfering factors are not present or at a smaller level Ambient Temperatures The imager s operating temperature range is 0 to 50q...

Page 49: ...emissivity value is the one of the material being measured This method is good for objects that are at low temperatures under 100qC 212qF not electrically energized and not in motion x Contact thermo...

Page 50: ...the target to be measured Aim and focus the unit on the target 6 Now place the infrared reflector in the field of view of imager Position the reflector in front of and parallel to the target surface...

Page 51: ...nic they can be backed up and stored without fear of loss or fading of records File Management You can rename or delete files sessions or folders from the directories by right clicking the icons in th...

Page 52: ...n screen to upload data to the ThermoView imager This displays the following screen Select the folder and session you want to upload and press Next Figure 33 Uploading Data to Your ThermoView Ti30 Ima...

Page 53: ...the order of image locations it is important to plan the order of your database carefully To upload the data to the imager press Upload The imager will begin to load data Once the data is loaded you a...

Page 54: ...ng this all 100 locations on the imager will be restored with the factory parameters These default parameters are Location name blank Emissivity 1 00 RTC OFF Low alarm 0 C 32 F High alarm 250 C 482 F...

Page 55: ...as many spots as you wish with each click adding a reading to the displayed image To erase the displayed temperature points simply click while moving your mouse Clicking and dragging around the image...

Page 56: ...Figure 35 Sample Image at Original Scale Limits Figure 36 Sample Image After Increasing Scale Limits July 1 2003 56 Version 1 0 i i Tel 01943 602001 WWW ISSLTD CO UK Fax 01943 816796...

Page 57: ...the limit bar indicates the range of temperatures displayed in red in the image This range is also indicated on the temperature scale to the left of the image To adjust the highlighted range move the...

Page 58: ...analyze the image under different Emissivity and Reflected Temperature conditions by changing those values on the left side of the screen This does not affect the emissivity value of the original imag...

Page 59: ...ometric thermal image on the top and underneath it a graph indicating the temperatures at the x and y axes of the cursor on thermal image Click on any portion of the thermal image on the top for the e...

Page 60: ...entage of the all temperature values captured in a given thermal scene or by number of representative pixels in the thermal scene To view a subset of the data you may select Limits on the Images Histo...

Page 61: ...Menu Bar Now that you re familiar with the concepts in the four tabs you ll quickly understand the choices offered on the menu bar Each menu item is briefly described below File New Folder Creates a n...

Page 62: ...by a single unit in the same folder Exit Quits the application Temperature Scale Fahrenheit Displays temperatures in the Fahrenheit scale Celsius Displays temperatures in the Celsius scale Palette Or...

Page 63: ...n location See Reporting Your Findings for additional reporting details Histogram Allows the user to select one of four actions specific to the data in the Histogram tab described in previous section...

Page 64: ...more than one window open this command will divide display them tiled horizontally Regardless of the number of open windows this command will allow you to resize a window by clicking and dragging any...

Page 65: ...port Some data is filled in for you with known data from the image file so you don t have to copy the information into the record Also included is a copy of the image and a space for your comments You...

Page 66: ...accuracy for a typical instrument over the measurement range of 0 250 C The heavy lines show the specified accuracy 0 50 100 150 200 250 4 2 0 2 4 SOURCE TEMPERATURE C READING ERROR C Specification M...

Page 67: ...y value experimentally Emissivity values shown in the tables are only approximate Any or all of the following parameters can affect the emissivity of an object 1 Temperature 2 Angle of measurement 3 G...

Page 68: ...n r n r 0 6 Gold 0 3 0 01 0 1 n r Haynes Alloy 0 5 0 9 0 6 0 9 0 3 0 8 Inconel Oxidized 0 4 0 9 0 6 0 9 0 7 0 95 Sandblasted 0 3 0 4 0 3 0 6 0 3 0 6 Electropolished 0 2 0 5 0 25 0 15 Iron Oxidized 0 4...

Page 69: ...n r Titanium Polished 0 5 0 75 0 3 0 5 n r Oxidized n r 0 6 0 8 0 5 0 6 Tungsten n r 0 1 0 6 n r Polished 0 35 0 4 0 1 0 3 n r Zinc Oxidized 0 6 0 15 0 1 Polished 0 5 0 05 n r Table 2 Emissivity Valu...

Page 70: ...e the object emissivity for the spectral range of the instrument to be used for the measurement 2 Avoid reflections by shielding object from surrounding high temperature sources 3 For higher temperatu...

Page 71: ...ers can provide several readings per second as compared to contact methods where each measurement can take several minutes Q How does IR work A IR thermometers capture the invisible infrared energy na...

Page 72: ...transmit and emit energy Only the emitted energy indicates the temperature of the object When IR thermometers or thermal imagers measure the surface temperature they sense all three kinds of energy th...

Page 73: ...ment to the object compared to the size of the spot being measured D S ratio The larger the ratio number the better the instrument s resolution and the smaller the spot size that can be measured The l...

Page 74: ...rement by obstructing the unit s optics 4 Watch for ambient temperatures If the thermometer is exposed to abrupt ambient temperature differences of 10 degrees or more allow it to adjust to the new amb...

Page 75: ...t method E 1256 88 Ambient Derating Refer to Temperature Coefficient Ambient Operating Range Range of the ambient temperature conditions over which the thermometer is designed to operate Ambient Tempe...

Page 76: ...mine all the parameters significantly affecting an instrument s performance Calibration Source A source blackbody hot plate etc of known and traceable temperature and emissivity Usually NIST traceable...

Page 77: ...ackbody is unity 1 00 EMI RFI Noise Electro Magnetic Interference Radio Frequency Interference EMI and RFI may cause disturbances to electrical signals within IR thermometers EMI and RFI noise is most...

Page 78: ...d Hertz Hz Units in which frequency is expressed Synonymous with cycles per second Infrared IR The portion of the electromagnetic spectrum extending from the far red visible at approximately 0 75 m ou...

Page 79: ...erations and the RECALL Loop cycles through stored operations and displays the data Micron or m 10 6 meters m or 0 000001 m Minimum spot size The smallest spot an instrument can accurately measure Mod...

Page 80: ...be specified for the far field by using values of far field distance and spot size Pyroelectric Detector Infrared detector that behaves as a current source with an output proportional to the rate of...

Page 81: ...nt of water vapor possible at the same temperature Repeatability The degree to which a single instrument gives the same reading on the same object over successive measures under the same ambient and t...

Page 82: ...within 5 of the lower temperature is defined as the stare time Storage Temperature Range Ambient temperature range that the thermometer can safely withstand in a non operating mode and subsequently o...

Page 83: ...ange at the tar get Transfer Standard A precision radiometric measurement instrument with NIST traceable calibration in the USA with other recognized standards available for international customers us...

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