Focus Point or Distance, Full Scale | RayTek ThermoView Ti30

Focus Point (or Distance)

The distance from the instrument where the optical resolution is greatest.

Full Scale

The maximum of the temperature range or output signal.

Full Scale Accuracy

A convention for expressing the accuracy as percentage of an instrument’s (highest) full- scale temperature.

Gray Body

A radiating object whose emissivity is in constant ratio (not unity) at all wavelengths to that of a blackbody at the same temperature, and does not transmit infrared energy.

HAL

High Alarm. Units with this feature can sound an alarm when they sense that a user-defined high temperature has been reached.

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 µm, out to 1000 µm. However, because of instrument design considerations and the atmospheric windows, most infrared measurements are made between 0.75 µm and 20 µm.

Infrared Thermometer

An instrument that converts incoming IR radiation from a spot on a target surface to a measurement value that can be related to the temperature of that spot.

K (Kelvin)

The unit of absolute or thermodynamic temperature scale where 0 K is absolute zero and 273.15 K is equal to 0° C. There is no (°) symbol used with the Kelvin scale, and

KθC 273.15 .

July 1, 2003

- 78 -

Version 1.0

i

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

i

Image 78

RayTek ThermoView Ti30 Focus Point or Distance, Full Scale Accuracy, Gray Body, Hertz Hz, Infrared IR, Kelvin

Contents

ThermoView Ti30 User’s Manual Contents Qualitative and Quantitative Temperature Measurements Appendix B Infrared Theory Q&A Glossary Warranty Information Customer Service Contact Information Introduction Quick Specifications Table Netd Unpacking Your New Imager Removing the Battery Pack First, the Batteries Battery Packs Charging the Rechargeable Battery Pack Normal Charge Cycle Docking Station LED Indicators Getting Started Attaching the Wrist Strap Turning the Unit On Displaying Images Information Screen Normal Mode Settings and Controls Keypad ThermoView Imager Settings Switches icons not shown ThermoView Imager Settings Switches Laser On/Off Toggle Button Japanese Laser Aperture and Optical Channel Measurement Mode Switch LCD Backlight Illumination SwitchPalette Switch Centigrade/Fahrenheit Toggle Button Automatic Semi Automatic Gain and Level ThumbwheelsFocus Wheel Level point Trigger Location of the Focus Wheel Man Machine Interface Flow Charts Main Loop Image Recording Procedure Emissivity Adjustment Procedure July 1 Version Quick Image Fix Procedure Array Recalibration Procedure Recording an Image Retrieve Mode Retrieving an Image Installing the Software Downloading and Looking at Images Connecting the Docking Station to Your Computer Hooking Up the Docking Station Connecting the USB Connector to the USB Port InsideIR Main Screen at Program Launch Downloading Images Sync button Saving Images Download Data Screen Setting the Imager Clock Contents of Images Folder July 1 Version Field USB Port Looking at Your Downloaded Images Viewing Thumbnail Images Viewing a Single Image Importance of Focusing Obtaining the Best Image Selecting the Measurement Mode Selecting the Color Palette LevelGain Min Level Gain Max Level Gain Tip Qualitative and Quantitative Temperature Measurements Distance to Target Spot Ratio Optical Diagram Field-of-ViewDS ratio D / S = Ambient Temperatures Environmental Conditions Reflected Temperature Compensation Emissivity Reflected Temperature Compensation Organizing Your Data File Management Uploading Data to the Imager Uploading Data to Your ThermoView Ti30 Imager Editing Data Before Upload RTC OFF Analyzing Your Data Single Image ScreenScale Limits Sample Image at Original Scale Limits Sample Image at Original Isotherm Setting Isotherms Temperature Table Tab Additional Image Analysis Tools Temperature Table Profile Tab Histogram Tab Profile Tab Menu Bar New Folder Fahrenheit ThermoView Imager InfoExit Celsius Create Report Export Temperature TableExport Image Histogram Cascade Copy Profile ChartContents Tile Horizontal Reporting Your Findings Thermographic Report Imager Accuracy Chart Appendix a Technical Reference Imager Reading Error vs Source DS Typical Emissivity Values Aluminum Unoxidized Ni-Cu Gob Why use noncontact infrared thermometers? Appendix B Infrared Theory Q&AHow does IR work? How to assure accurate temperature measurement? Emissivity Distance to spot ratio Field-of-view How to take temperature measurement? What are the most popular applications? Glossary Calibration Background TemperatureBlackbody Calibration Source EMI/RFI Noise Display ResolutionDrift Far Field Full Scale Accuracy Focus Point or DistanceFull Scale Gray Body Micron or µm LaserLoop Minimum spot size Optical Pyrometer Optical ResolutionNon-Gray Body Pyroelectric Detector Relative Humidity Reflected Temperature CompensationResolution Repeatability Temperature Coefficient or Ambient Derating Storage Temperature RangeTemperature Spectral Response Time Constant Temperature ResolutionThermal Shock Transfer Standard