Fluke Ti20 manuel d'utilisation

® Ti 2 0 Thermal Imager Users Manual January 2006 © 2006 Fluke Corporation, All rights reserved. All product na mes are tradem arks of their respec tive companies .[...]

LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defec ts in material a nd w orkmanship under normal use and service. The warranty period is one year and begi ns on the date of shipment. Parts, product repairs, and services are warranted for 90 days. This warranty extends only to the origi nal buyer or en[...]

i Table of Contents Chapter Title Page 1 Getting Started .................................................................................... 1-1 Introduction ........................................................................................................ 1-1 Contacting Fluke .................................................................[...]

Ti20 Users Manual ii Environmental Conditions ................................................................................. 2-11 Ambient Temperature Derating and Thermal Shock ......................................... 2-11 Emissivity .......................................................................................................... 2-12 [...]

iii List of Tables Table Title Page 1-1. Symbols .................................................................................................................. 1-2 1-1. Standard Accessories ............................................................................................. 1-5 1-3. Features and Controls ...............................[...]

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v List of Figures Figure Title Page 1-1. Laser Warning Labels ............................................................................................ 1-3 1-2. Standard Accessories ............................................................................................. 1-4 1-3. Ti20 Thermal Imager Features and Controls ....................[...]

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1-1 Chapter 1 Getting Started Introduction The Fluke Ti20 Imager (hereafter, “the Imager”) is a state-of-the-art, lightweight, pistol- grip style thermal imaging unit. Using the Imager, you can obtain instant and accurate thermal images and radiometric readings from distant targets. The Imager is ergonomically designed for right-hand or left-ha[...]

Ti20 Users Manual 1-2 Safety Information Use the Imager only as specified in this manua l. See Table 1 for a list of symbols used on the Imager and in this manual. A W Warning identifies hazardous conditions and ac tions that could cause bodily harm or death. A W Caution identifies conditions and actions that could damage the Imager or cause perman[...]

Getting Started Laser Warning Labels 1 1-3 Laser Warning Labels THERMAL IM AGER Ti 20 CA UTION < 1mW/630-670nm EN 60825/01 CA UTION THERMAL IM AGER Ti 20 CA UTION THERMAL IMAGER Ti20 Euro/US Japanese Chinese dag133f.eps Figure 1-1. Laser Warning Labels[...]

Ti20 Users Manual 1-4 Unpacking the Imager Begin by opening the shipping box. Be sure to save the box and sh ipping materials in case you need to ship the Imager. Inside the shipping box, you will find a hard carrying case containing the standard accessories shown in Figure 1-2 and described in Table 1-2. 8 7 6 4 5 2 1 3 10 11 9 dag134f.eps Figure [...]

Getting Started Unpacking the Imager 1 1-5 Table 1-2. Standard Accessories A PN 1671807 USB Cable B PN 2444076 International AC Adapter C PN 2507729 External Charg er for Rechargeable Battery Pack D PN 2518704 Hard Cas e E PN 2455818 Soft Case with Shoul der Strap F PN 2443380 Wrist Strap G PN 2446641 Rechargea ble B attery Pack (2) H PN 2455807 A [...]

Ti20 Users Manual 1-6 Features and Controls Imager features and controls are shown in Figure 1-3 and described in Table 1-3. THERMAL IM A G ER Ti 20 T H ER MAL I M AG ER Ti 20 CAUTION AV OID EXPOSU RE LASER RADIATION IS EMITTED FR OM THIS APER TUR E DO NO T ST ARE INTO BEAM OUTPUT < 1mW WA VELENGTH: 630 - 670 nm CLASS II LASER PRODUCT COMPLIES W[...]

Getting Started Operating the Controls 1 1-7 Table 1-3. Features and Controls Number Description A Focus control B Optical channel C Laser aperture D Wrist strap and attachment cli p E Trigger. The trigger is used to freeze a thermal image. Press the trigger one time to freeze the image for evaluation. You can save the im age or pr ess and release [...]

Ti20 Users Manual 1-8 Focus Ring Optical Channel THERMAL IM AG ER Ti 20 dag02f.eps Figure 1-4. Focusing the Imager Understanding the Trigger The trigger is located in the standard trigger position for a pistol-grip device. The primary function of the trigger is to freeze a thermal image for possible storage to memory by the user. The trigger freeze[...]

Getting Started Using the AC Power Adapter 1 1-9 Using the AC Power Adapter TH E R M A L I M A G E R Ti 20 THERMAL IMAG ER Ti 20 dag007f.eps Figure 1-5. Using the AC Power Adapter[...]

Ti20 Users Manual 1-10 Charging and Replacing the Batteries With the Ti20, you have the option of using six AA b atteries or a rechargeable NiMH pack. The use of both options is described in the following pages. Battery charger use is shown is Figure 1-6 and battery placement in Figure 1-7 . Using the Battery Charger . dag008f.eps Figure 1-6. Using[...]

Getting Started Charging and Repla cin g the Batteries 1 1-11 Installing or Replacing the Batteries Replace the batteries with six AA batteries (NEDA 15A or IEC LR6). Install or Replace the AA battery cartridge as described below and shown in Figure 1-7. 1. Unlock the battery compartment by using a standard screwdriver to turn the battery door scre[...]

Ti20 Users Manual 1-12 Attaching the Wrist Strap A wrist strap is included with your Imager. You can attach the wrist strap by clipping the strap to the attachment clip on the Imager housing. T HE RM A L L IMA GER Ti Ti 20 20 T HE RM A L L I MA G E R Ti Ti 20 20 dag131f.eps Figure 1-8. Attaching the Wrist Strap[...]

Getting Started Inputs and Connections 1 1-13 Inputs and Connections Connecting the USB Cable The included USB cable can be used to either download or upload da ta from a PC to the Imager. To connect the USB cable, insert the smaller USB connector into the Imager port and the larger connector into the PC USB port as shown in Figure 1-9. Communicati[...]

Ti20 Users Manual 1-14 Mounting the Imager on a Tripod A tripod mount is provided on the botto m side of the Imager. Rotate or screw the Imager onto a tripod using the tripod mount as shown in Fi gure 1-10. THERMAL IMAGER Ti 20 Threaded T ripod Mount dag010f.eps Figure 1-10. Mounting the Imager on a Tripod Cleaning This section describes how to cle[...]

Getting Started Cleaning 1 1-15 Cleaning the Lens Although the lens is coated with a durable, erosion resistant coating (according to MIL standards), cleaning dust, sand, and other par ticles m ight scratch the coating and impair the performance of the lens. W Caution To avoid damage, do not use tools or sharp objects when cleaning the lens. • In[...]

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2-1 Chapter 2 Basic Operation Turning the Imager On and Off Use the G key to turn the Imager on and off. To turn on the Imager, press and hold the G for approximately 2 seconds until the date and time appear in the upper right-hand corner of the display. The Imager splash screen appears until the Imager can reliably show an accurate thermal image. [...]

Ti20 Users Manual 2-2 Understanding the Home Display The Imager returns to the Home display when you complete a menu operation, escape or cancel an operation using the G soft key, or the by pressing the trigger. Figure 2-2 illustrates the Home display zones. The Home display is divided into three zones: • Header Zone The header zone displays info[...]

Basic Operation Understanding the Home Displa y 2 2-3 The contents of the Home display is described in Table 2-1. Table 2-1. Contents of the Home Display Number Zone Displayed Information Description Auto Imager is in automatic imaging mode Manual Imager is in manual imaging mode Calibrating Indicates the Imager is calibrating a nd is te mporarily [...]

Ti20 Users Manual 2-4 Table 2-1. Contents of the Home Display (cont.) Number Zone Displayed Information Description Temperature Scale Displays the target temperatur e, lower alarm limit (blue upside triangle), high alarm limit (red upsid e down triangle), temperature range bar, and temp e rature color bar. Emissivity Setting Display setting precede[...]

Basic Operation Capturing Images 2 2-5 Note The Japanese model of the Ti20 requires you to press and hold F to turn on the laser and keep it on. When you release F , the laser turns off. Capturing Images Recording images is a simple process but before starting you should note the current image location number. If you have not stored any images, the[...]

Ti20 Users Manual 2-6 dag108f.bmp Note If no image is stored at the current me mory location, the right side of the display is black. 3. Press G ( DONE ) to save the captured image. Th is will overwrite the current image location. Adjusting the Backlight Backlight ON is recommended for indoor use set the backlight OFF for outdoor applications and t[...]

Basic Operation Setting the Temperature Scale 2 2-7 Setting the Temperature Scale The Imager displays temperatures using either the Celsius or Fahrenheit temperature scales. The default temperature scale is Celsius. 1. Press G ( MENU ) five times from the Home display to access the temperature scale function. 2. Press H (TEMPSCALE ) to toggle the t[...]

Ti20 Users Manual 2-8 3. Press F (LEVEL ) to access the set Level function. dag110f.bmp 4. Press F ( 4 ) to move the window to the left (lower) or H ( 5 ) to move the window to the right (higher). 5. Press G (DONE ) two times to return to the Home display. dag111f.bmp[...]

Basic Operation Adjusting the Span 2 2-9 Adjusting the Span The full temperature span of the Imager is -10 ° C to 350 ° C (14 ° F to 662 ° F). The LCD display shows about 256 shades of color for whatever pallet you s elect. Adjusting the temperature span allows you to see more subtle temperature gradients in a captured image. For example, if yo[...]

Ti20 Users Manual 2-10 T HERM A L I M AGER Ti 20 FO V D Measurement Spot (S = Diameter of the Spot) dag135f.eps Figure 2-3. Relationship Between FOV and Measurement Spot and Reticle[...]

Basic Operation Environmental Conditions 2 2-11 Best Good Incorrect dag005f.eps Figure 2-4. Correct Field of View Environmental Conditions Watch for environmental conditions in the working ar ea. steam, dust, smoke, etc., can prevent accurate measurement by obstruc ting the path between the target and the Imager optics. Noise, electromagnetic field[...]

Ti20 Users Manual 2-12 Emissivity Emissivity is the measure of an object's ability to emit infrared energy. The hotter an object, the more infrared energy it will emit. Emissivity can have a value from 0 (shiny mirror, perfect reflector) to 1.0 (blackbody, perfect emitter). Most organic, painted, or oxidized surfaces have emissivity values clo[...]

Basic Operation Reflected Temperature Compensation 2 2-13 Reflected Temperature Compensation Targets that have low emissivities will reflect energy from nearby objects. This additional reflected energy is added to target’ s ow n em itted energy and may result in inaccurate readings. In some situations objects near th e target (machines, furnaces,[...]

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3-1 Chapter 3 Advanced Imager Operation Data Management and Storage Viewing Stored Images 1. From the Home display, press G ( MENU ) two times. 2. Press F ( REVIEW ) for Review mode. dag114f.bmp 3. Press F ( 2 ) to view the next image or F3 ( 1 ) to view the previous image. 4. Press G ( DONE ) to return to the Home display.[...]

Ti20 Users Manual 3-2 Deleting Images Deleting an image deletes the image in the active memory location but retains location description, any notes, emissivity, and RTC setting. W Caution The delete all selection completely erases the Imager flash memory including all images, notes, emissivity values, and RTC settings. Flash memory returns to the f[...]

Advanced Image r Operation Selecting a Palette 3 3-3 5. The Delete ALL Images display show you a representation of the stored images. Press F ( YES ) to delete all the stored images or G ( CANCEL ) to return to the Home display. dag117f.bmp 6. After deleting all images you will return to the Home display. Selecting a Palette Palettes are used to ch[...]

Ti20 Users Manual 3-4 3. Press F ( 4 ) to move the selection to the left or H ( 5 ) to move the selection to the right. dag118f.eps 4. Press G ( DONE ) to make your selection and return to the Home display. Adjusting Emissivity The amount of infrared energy radiated by an object depends on em issivity and temperature. The emissivity depends on the [...]

Advanced Image r Operation Adjusting Emissi vity 3 3-5 2. Press F ( N )to access the Adjust Emissivity display. dag119f.bmp 3. Press F ( 2 ) to increase the emissivity value or H ( 1 ) to decrease the emissivity value. dag120f.bmp 4. Press G ( DONE ) to return to the Home display.[...]

Ti20 Users Manual 3-6 Adjusting Reflected Temperature Compensation Values As the RTC value changes, the live therma l image will also change as the display ed temperature changes. The default RTC setting is 100 ° C (212 ° F)and the adjustment range is from -50 ° C to 600 ° C (-58 ° F to 1112 ° F). RTC is OFF in the factory default state. 1. F[...]

Advanced Image r Operation Setting Alarm Limits 3 3-7 4. In the Adjust RTC function, Press F ( 2 ) to increase the RTC value or H ( 1 ) to decrease the RTC value. dag122f.bmp 5. Press G ( DONE ) to return to the Home display. Setting Alarm Limits When you adjust alarm limits, the lower al arm limit appears in blue text in the information zone and u[...]

Ti20 Users Manual 3-8 2. Press F ( ALARM ) to access the Adjust Alarms display. 3. Press F ( LOW ) to adjust the low alarm limit or H ( HIGH ) to adjust the high alarm limit. dag124f.bmp 4. Press F ( 2 ) to increase the alarm limi t or H ( 1 ) to decrease the alarm limit. dag125f.bmp dag126f.bmp 5. Press G ( DONE ) two times to return to the Home d[...]

Advanced Image r Operation Adjusting Sleep Mode 3 3-9 Adjusting Sleep Mode Sleep mode is used to conserve battery life if the Im ager is turned on but not being used. If you turn Sleep mode OFF , the Im ager will run until the battery is depleted. If Sleep mode is enabled, the Imager will automati cally power down after the specified time period.Th[...]

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Appendices Appendix Contents Page Glossary ............................................................................................................ A-1 Basics of Infrared Measurement ..................................................................... B-1 Typical Emissivity Values ...............................................................[...]

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A-1 Appendix A Glossary Absolute Zero The temperature (0 degrees Kelvin) of an object defined by the theoretical condition where the object has zero energy. Accuracy Maximum deviation, expressed in temperature units, or as a percentage of the temperature reading, or as a percentage of the full scale temperature value, or as a percentage of the targ[...]

Ti20 Users Manual A-2 Blackbody A perfect emitter; an object that absorbs all the radiant energy incident on it at all wavelengths and reflects and transmits none. A surface with em issivity of unity (1.00). Calibration A methodical measurem ent procedure to determine all the parameters significantly affecting an instrument’s performance. Calibra[...]

Appendices Glossary A A-3 Field of View (FOV) The region, at the target, measured by the IR thermometer. Typically presented by giving the spot diameter as a function of distan ce from the instrume nt. Also presented as the angular size of the spot at the focus point. See Optical Resolution. Focus Point (or Distance) The distance from the instrumen[...]

Ti20 Users Manual A-4 Level Level is the median point of a given temperature scale. For exam ple, if the unit is currently in Automatic mode, and there is a given thermal scene with MIN and MAX temperature limits, the mom ent you switch th e unit to Manual mode, the Level value is set by the unit according to the following formula: 2 Max Span Level[...]

Appendices Glossary A A-5 Reflected Temperature Compensation Correction feature used to achieve great er accuracy when, due to a high uniform background temperature, infrared energy is refl ected off the target into the instrument. If the background temperature is known the instrument reading can be corrected by using this feature. Targets that hav[...]

Ti20 Users Manual A-6 Stare A saturation effect caused by aiming a sensor at a hot target for an extended period of time and then quickly aiming at a target at a lower tem perature. The increase in time (beyond the normal system response) for the senso r to return to within 5 % of the lower temperature is defined as the stare time. Storage Temperat[...]

B-1 Appendix B Basics of Infrared Measurement Q. Why use non-contact infrared thermometers? Non-contact infrared (IR) thermometers use infrared technology to quickly and conveniently measure the surface temperature of objects. They provide fast temperature readings without physically touching the object. The temperature is shown on the LCD display.[...]

Ti20 Users Manual B-2 0.1 A 1 A 1 UA 100 A 0.6 0.8 1 1.5 2 3 4 6 8 10 15 20 30 0.4 1 µ 10 µ 100 µ 0.1 cm 1 cm 10 cm 1 m 10 m 100 m 1 km 10 km 100 km W avelength Visible W avelength µm Gamma Rays X-Ra ys Ultraviolet Infrared Infrared Measurement Region Radio EHF SHF UHF VHF HF MF LF VLF 0.1 µ dag011f.eps Figure B-1. Infrared Measurement Region [...]

Appendices Basics of Infrared Measurement B B-3 Q. What is the distance to spot ratio? A. The optical system of an infrared ther mometer collects the infrared energy from a circular measurement spot and focuses it on the detector. Optical resolution is defined by the ratio of the distance from instrument to the object com pared to the size of the s[...]

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C-1 Appendix C Typical Emissivity Values The following tables provide references for estim ating emissivity and can be used when the user does not have the means or the time to determine the em issivity value experimentally. Emissivity values shown in th e tables are only approximate. Any or all of the following parameters can affect the emissivity[...]

Ti20 Users Manual C-2 Table C-1. Emissivity Values for Metals Emissivity Material 1.0 µm 1.6 µm 8 to 14 µm Aluminum Unoxidized 0.1-0. 2 0.02-0.2 n.r. Oxidized 0.4 0.4 0.2-0.4 Alloy A3003, Oxidized n.r. 0.4 0.3 Roughened 0.2-0.8 0. 2-0.6 0.1-0.3 Polished 0.1-0.2 0.02-0.1 n.r. Brass Polished 0.8-0.95 0.01-0.05 n.r. Burnished n.r. n.r. 0.3 Oxidized[...]

Appendices Typical Emissivity Values C C-3 Table C-1. Emissivity Values for Metals (cont) Emissivity Material 1.0 µm 1.6 µm 8 to14 µm Iron, Cast Oxidized 0.7-0.9 0.7-0.9 0.6-0.95 Unoxidized 0.35 0.3 0.2 Molten 0.35 0.3- 0.4 0.2-0.3 Iron, Wrought Dull 0.9 0.9 0.9 Lead Polished 0.35 0. 05-0.2 n.r. Rough 0.65 0.6 0.4 Oxidized n.r. 0. 3-0.7 0.2-0.6 [...]

Ti20 Users Manual C-4 Table C-1. Emissivity Values for Metals (cont) Emissivity Material 1.0 µm 1.6 µm 8 to14 µm Tin (Unoxidized) 0. 25 0.1-0.3 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 C-2. Emissivi[...]

Appendices Typical Emissivity Values C C-5 Table C-2. Emissivity Va lues for Non-Metals (cont) Material Emissivity 1.0 µm 1.6 µm 8 to 14 µm Limestone n.r. 0.4-0.98 Paint (non-Al.) — 0.9-0.95 0.9-0.95 Paper (any color) n.r. 0.95 0.95 Plastic (opaque, over 20 mils) n.r. 0.95 0.95 Rubber n.r. 0.9 0.95 Sand n.r. 0.9 0.9 Snow n.r. — 0.9 Soil n.r.[...]

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D-1 Appendix D Specifications Thermal Temperature Range ............................................ -10 to 350 ° C (14 to 662 ° F) Detector Type ..................................................... 80 x 60 thermal element focal plane array (FPA) Accuracy ............................................................. ± 2 ° C or 2 % (whichever i[...]

Ti20 Users Manual D-2 Other Weight ................................................................. 1.2 kg (2.65 lb) Shock .................................................................. Half-sine, 11 ms, 30 g peak per MIL-PRF-28800F Vibration .............................................................. Random 6 G Sinusoidal MIL-PRF-28800, pa[...]