Guide ThermoPro TP8 User Manual

Guide ThermoPro TP8 User Manual

Ir thermal camera
Table of Contents

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ThermoPro

User Manual

Wuhan Guide Infrared Technology Co., Ltd.
No. 26 Shucheng Rd, Hongshan District, Wuhan 430070 P. R. China
Telephone:
+86-27-8767 1991
Facsimile:
+86-27-8767 1927
Email:
overseas@guide-infrared.com
Internet:
www.guide-infared.com
© Wuhan Guide Infrared Technology Co., Ltd., 2006
TM
ThermoPro
Publication No:
TM
TP8 IR Thermal Camera
TP8
UM 008
1
User Manual

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  • Page 1: User Manual

    Wuhan Guide Infrared Technology Co., Ltd. No. 26 Shucheng Rd, Hongshan District, Wuhan 430070 P. R. China Telephone: +86-27-8767 1991 Facsimile: +86-27-8767 1927 Email: overseas@guide-infrared.com Internet: www.guide-infared.com © Wuhan Guide Infrared Technology Co., Ltd., 2006 ThermoPro Publication No: UM 008...
  • Page 2 89/336/EEC; Low voltage directive 73/23/EEC) Copyright © Wuhan Guide Infrared Technology Co., Ltd, 2006. All rights reserved worldwide. No parts of the products may be reproduced, transmitted, transcribed or translated into any language or computer language in any form or by any means, electronic, magnetic, optical, manual or otherwise, without the prior written permission of Wuhan Guide Infrared Technology Co., Ltd.
  • Page 3: Table Of Contents

    Inserting / Removing the SD Memory Card ................21 Inserting/ Replacing the Battery ....................22 Battery Charging ........................23 Introduction to Buttons & Joystick ...................25 Quick Start Guide ........................28 Using the Camera ........................28 Using the Bluetooth Wireless Headset..................74 Video Output ...........................75 Transferring Data from the Camera to PC ................76 Installing the Camera USB Driver to PC .................77...
  • Page 4: Introduction

    User Manual Introduction This publication provides the necessary information required to safely operate the TP8 IR Thermal Camera ThermoPro It is important to fully check all equipment with which you have been supplied The equipment should be used, maintained and serviced by suitably trained personnel, capable of carefully following the procedures and guidelines given in this User Manual All User Manuals and leaflets should be read thoroughly before proceeding with operation of the equipment...
  • Page 5: Maintenance

    User Manual • Do not jam the holes or loudspeaker on the camera body • Do not re-switch on the camera until 15 seconds later after switching it off • Do not throw, knock or vibrate intensely the camera and its components in order to keep them from damage •...
  • Page 6: Calibration And Repair Philosophy

    Never attempt to disassemble or modify the camera. Opening the unit invalidates the warranty Technical Support Technical support for your Wuhan Guide Thermal Imaging System can be obtained by either contacting the address / telephone number on the cover of this User Manual or by email to the following address: overseas@guide-infrared.com...
  • Page 7: System Overview

    Improved on the most advanced IR package available now, integrating multiple technologies never used in the industry, THERMOPRO TP8 is another ingenious solution Wuhan Guide provides for professional IR thermographers around the world. In a rugged, compact and durable magnalium casing, THERMOPRO...
  • Page 8: Technical Specification

    User Manual • RS232 communication protocol • USB driver ® • Guide IrAnalyser Software • User manual • Carry case & strap Options • Remote control handle • Tele lens • Wide angle lens • Extended temperature range Technical Specification...
  • Page 9 User Manual Image Presentation External Display: 3.5″ high resolution color VGA LCD, 640× 480 pixels Viewfinder 0.6″ built-in high resolution color OLED, 640× 480 pixels Video Output: VGA/PAL/ NTSC switchable Man-Machine Communication Touch Screen: Present and receive operator’s commands given by touch Auto Speech Recognition System: Automatically recognize and react to operators’...
  • Page 10 User Manual optics Optics Transmission Correction: Auto, based on signals from sensors Image Storage Type: Removable 2GB SD card or built-in flash memory File Format: JPEG (An individual file consists of infrared image, visual image, voice annotation and text annotation if any) Voice Annotation: Up to 30 seconds per file (More than 30 seconds...
  • Page 11 User Manual External Power Operation: AC adapter 110/ 220 VAC, 50/ 60Hz Environmental Specification Operating Temperature: -20°С- +60°С Storage Temperature: -20°С- +60°С Humidity: Operating and storing 10% to 95%, non- condensing Encapsulation: IP54 IEC 529 housing Shock: Operational: 25G, IEC 68-2-29 Vibration: Operational: 2G, IEC 68-2-6 Interfaces...
  • Page 12: System Features

    User Manual System Features Unique Features • The highest-performance uncooled IR detector (384*288 pixels, 35 microns) offers performance 45% higher than traditional detectors of 320*240 pixels, 45 microns • 640*480 LCD screen and 640*480 OLED viewfinder enable flexible high-resolution image presentation •...
  • Page 13 User Manual Imaging performance • Display 256-level gray and color thermal image on both VGA LCD screen and viewfinder • Display true color visual image on both VGA LCD screen and OLED viewfinder • Output both thermal and visual video to other display devices (e.g. VGA display or TV set) •...
  • Page 14: Parts Described

    Recorded thermal video can be replayed on PC • Images saved in SD card and the built-in flash memory can be downloaded to PC for ® further analysis and report generation with software Guide IrAnalyser Parts Described 1. VGA LCD touch screen 2. IR lens 3.
  • Page 15 User Manual...
  • Page 16 User Manual 1. Dioptre adjuster 2. Microphone to record voice annotation 3. F1-F4 function buttons and power button 4. Status display screen for power status, USB, Bluetooth & SD card memory status 5. Joystick 6. Button S, Button C and Button A 7.
  • Page 17 User Manual 1. LCD mount 1. Tightening gear 2. Touch pen 3. Contact pins at the LCD screen foot...
  • Page 18 User Manual RS232 and TV Video cable: Interfaces from the top down are respectively: RS232 interface to PC, TV Video interface to a TV Video display device, TV Video/RS232 interface to the TV Video /RS232 interface on camera VGA cable: Interfaces from the top down are respectively: VGA video interface to the VGA interface on camera, VGA interface to a VGA display device USB extension cable: Interfaces from the top down are respectively: Interface to the camera USB2.0 interface, interface to a USB interface on PC...
  • Page 19 User Manual AC adapter and cable: Interfaces from the top down are respectively: Interface to be inserted to the power interface on camera, plug to be connected to a socket or wall outlet Camera with cables: from the top down and from left to right, the camera is connected with VGA cable, USB extension cable, AC adapter cable and RS232/ TV video cable.
  • Page 20: Attaching And Detaching The Lcd Screen

    PC, control the camera on PC and also record live thermal video into PC with the help of Guide IrAnalyser® software, but at the meantime, the VGA LCD touch screen, OLED viewfinder, VGA display device and TV video display device will display prompt “USB Mode”...
  • Page 21: Inserting / Removing The Sd Memory Card

    User Manual • Tilt the LCD screen backward till you view the image comfortably Detaching the LCD screen: • Rotate the tightening gear anticlockwise to loose the LCD screen foot • Keep the LCD screen depressed and slide the LCD screen foot from the mount Notes for the LCD screen: •...
  • Page 22: Inserting/ Replacing The Battery

    User Manual • To remove a SD memory card, press the card downwards and then release it. It will bounce to be pulled it from the camera Notes for the SD memory cards: • Ensure that saving or opening of images is complete before removing the SD memory card •...
  • Page 23: Battery Charging

    User Manual • To remove the battery, open the battery door, keep the battery depressed and then press the pop-up button. Keep the pop-up button depressed, release the battery, then the battery will bounce and you can pull it from the camera. When pulling the battery, please still keep the pop-up button depressed •...
  • Page 24 User Manual • Now charging starts. While charging, the battery level symbol will be rolling in the status display screen. Once the battery is fully charged, the symbol will become steady. Charging in an external battery charger • Insert the battery into the battery charger. This is done by aligning the end surface of the battery pack to the edge of the terminal shutter of this unit, then fitting and sliding the battery packing in the direction of the arrow.
  • Page 25: Introduction To Buttons & Joystick

    User Manual • Once the battery is fully charged it can be used with the camera Additional Information • All rechargeable batteries gradually lose their charge over time when they are left in storage. If the battery is to be left in storage or for a period of non-use, a 'top-off' charge should be carried out prior to use •...
  • Page 26 User Manual and close the box. When an option in the toolbar is highlighted, press the joystick to select this option and execute the command corresponding to it. Button S: Freeze & save control, option switch Press button S to freeze a live/zoomed thermal image and press it again to save it into the built-in flash memory or SD memory card.
  • Page 27 User Manual change their respective values. Button F1: Sleep mode Pressing button F1 in the normal working mode can switch to sleep mode, in which all the video outputs are turned off and the red indicator light at the back of the camera flickers. Pressing it in sleep mode can switch into the normal working mode, in which the red indicator light at the back of the camera shine steady.
  • Page 28: Quick Start Guide

    User Manual Quick Start Guide • Ensure that the battery is fully charged and the SD memory card is inserted in the camera • Insert the VGA LCD screen into the mounting foot and ensure it has locked into place •...
  • Page 29 Then the loading image and boot screen flash as shown below appear in the screen successively with music. After the boot screen flash disappears, live image as shown below is displayed, with Guide logo and temperature setup menu lying at the right side, status bar, zoom bar, speech control...
  • Page 30 User Manual Icon Significance Function Guide logo Bring up the main menu upon click of the touch pen Temperature setup menu Display the temperature unit and adjust Tmax, palette, Tmin and fliter range for the current image Status bar Show the status of the current image: live, frozen, saved, auto mode, manual mode, etc.
  • Page 31 User Manual automatically perform a Non Uniformity Calibration (NUC). From now on, 5 seconds later, 25 seconds later, and 45 seconds later, the camera will automatically perform 3 NUC. • While it is working, the camera will automatically perform NUC at a regular frequency. NUC allows the camera detector to automatically clean up the live image of noise, ensuring normalisation and sharpness of the live image •...
  • Page 32 User Manual Note: When the temperature difference between the target and its surroundings is not great, it is advisable to focus manually to get a clear image of the target Setting the temperature range There are 3 methods available to set the temperature range: Auto1, Auto2 and Manual •...
  • Page 33 User Manual 100 to 800°C • If the target temperature is beyond the current filter range, the symbol “+++” or “---” will appear in the temperature display bar under the live image. It indicates that the filter range should be changed manually •...
  • Page 34 User Manual • Under the live thermal image, two temperature values are present in the temperature display bar. The value of C indicates the center temperature; the value of M indicates the maximum scene temperature. Static Temperature Measurement • This method is available when there is no menu displayed in frozen or saved thermal images •...
  • Page 35 User Manual • The first value is the temperature of the moving cursor; it changes at the same time when the cursor moves in the screen. The second is the maximum scene temperature; it never changes. Adjusting temperature range of frozen/ save image Temperature range of a frozen or saved image can be changed as well to adjust the image quality.
  • Page 36 User Manual Operation on the x1 image is also available for the zoomed image. Pausing live images and save images • Keep the camera steady when you have the image in focus, then press Button S to freeze the live image. Now the image status changes to be frozen. Prompt Frozen is shown in the status bar under the image screen.
  • Page 37 • To do the left operation listed above, press the joystick or use the touch pen to click the Guide logo at the right top corner of the screen to bring up the frozen toolbar as shown below.
  • Page 38 User Manual • Functions of the icons in the toolbar are listed below. Moving the joystick up, down, left or right can toggle between each icons, pressing the joystick can select an icon and execute its command. Or you can simply use the touch pen to click each icon to select a certain one.
  • Page 39 User Manual Save command Save recorded voice annotation or text annotation into the frozen image; save the frozen image with voice annotation & text annotation (if any) into memory media Text Annotation Add text annotation to the frozen image Exit command Exit the frozen toolbar •...
  • Page 40 User Manual recording has been made. • If you are satisfied with the recording and do not want to insert text annotation to the image, you can select the icon Save command to save it with the image. Then both it and the image will be saved into the memory media, with file name “IR******”...
  • Page 41 User Manual live thermal image status. • If the SD memory card or the built-in flash memory is fully filled with images, the respective prompt “SD full” or “Storage full” will appear in the status bar under the image screen when you try to store a new image. If failing to save an image, the prompt “Save error”...
  • Page 42 User Manual • To toggle between each icons of the file toolbar, click them with the touch pen or press button S. After highlighting a certain icon, pressing the joystick will choose the icon and execute the corresponding function. • Functions of the icons are listed below: Icon Significance...
  • Page 43 • To do static temperature measurement and histogram analysis, please refer to the sections Static temperature measurement and Histogram analysis respectively. • To do the left analysis listed above, bring up the replay toolbar by clicking icon Guide at...
  • Page 44 User Manual the right top corner of the screen with the touch pen or pressing the joystick. The toolbar offers similar options to the frozen toolbar, whose functions are introduced below. Clicking each icon with the touch pen can select them respectively. Or move the joystick up, down, left or right to highlight one option first and press the joystick to select the highlighted option.
  • Page 45 User Manual Visual image display Replay visual image of the replayed image Time of voice annotation Replay voice annotation recorded for the replayed image Start voice replaying Start replaying the voice annotation Stop voice replaying Stop replaying the voice annotation Right direction Choose it to open next image Left direction...
  • Page 46 User Manual • To view the recorded text annotation, choose icon Replay text annotation. Then the recorded text will be displayed in a dialog box on the image screen. To close the dialog box, choose the button OK by clicking it with the touch pen or pressing the joystick. •...
  • Page 47 User Manual • The icon Replay text annotation is not available when the replayed image does not include text annotation Visual image The camera offers visual imaging function. Visual image can be switched from its corresponding thermal image either in dynamic live status or static zoomed/frozen/ replay status, vice versa.
  • Page 48 The camera offers a user-friendly Windows-style main menu. The main menu is brought up on the screen by either clicking the icon Guide at the right top corner of the screen or pressing the joystick when there is no menu displayed in the screen...
  • Page 49 User Manual • The submenus can be navigated by either clicking with the touch pen or moving the...
  • Page 50 • To exit the menu system at any time and return to a live thermal image, press button C or click the icon Guide at the right top corner of the screen Spot Analysis • Spot Analysis can be performed on live or zoomed or frozen or saved images.
  • Page 51 User Manual • In saved images, spot analysis can be done when the images are replayed. Bring up the replay toolbar with the touch pen or joystick. Click the icon Spot analysis with the touch pen to select it; or move the joystick to highlight the icon Spot analysis first and then press the joystick to select it.
  • Page 52 User Manual • To move each spot after selecting it, click it with the touch pen, drag it to a desired position and then release it; or move the joystick up, down, left or right to a desired position and then release it.
  • Page 53 User Manual Line Analysis • Line Analysis can be performed on live or zoomed or frozen or saved images. • In live or zoomed images, bring up the main menu, select option Line under submenu File either by the touch pen or by pressing the joystick •...
  • Page 54 User Manual • Then the cursor representing the starting point of the line is displayed in the image. • At this moment, two methods are available to draw a line. Method 1: Click and drag the cursor to a correct position with the touch pen, then release the cursor. A line is drawn. Method 2: Move the joystick up, down, left or right to move the cursor to a desired position, press the joystick to confirm the position (i.e.
  • Page 55 User Manual • In live or zoomed images, the line profile and temperatures will change in real time as the image changes. • Press button C to exit and return to the live or frozen or save image. Note: For a horizontal line, the coordinate system for its profile will always be horizontal. For a vertical line, the coordinate system for its profile will always be vertical.
  • Page 56 User Manual replay toolbar with the touch pen or joystick. Click the icon Area analysis with the touch pen to select it; or move the joystick to highlight the icon Area analysis first and then press the joystick to select it. •...
  • Page 57 User Manual position and then release it. The temperature displayed in the status bar will accordingly change. • To change the size of an area after selecting it, click at one of its four corners with the touch pen, drag the corner to a desired position and then release it. Or firstly press button A for an instant, move the joystick up, down, left or right to desired positions and then release it.
  • Page 58 User Manual • Isotherm Analysis can be performed on live or zoomed or frozen or saved images. • In live or zoomed images, bring up the main menu, select option Isotherm under submenu File either by the touch pen or by pressing the joystick •...
  • Page 59 User Manual • Move the joystick up or down to set the maximum temperature of the isotherm band, left or right to set the minimum temperature of the isotherm band. • There are three isotherm colors to choose from. This is done by setting the value of sub-option IsoColor in option Analysis under submenu Parameter and then choosing button OK to confirm the setup.
  • Page 60 User Manual • In live or zoomed images, bring up the main menu, select option Histogram under submenu Function either by the touch pen or by pressing the joystick, and then set its value to be ON. Save the setup and back to the live or zoomed image, then histogram of the image will be displayed at the right bottom corner of the image.
  • Page 61 User Manual • Camera setup parameters can be set for the camera. Click the icon Guide at the right top corner of the screen with the touch pen to bring up the main menu and then click the submenu Parameter. Or press the joystick to bring up the main menu and move the joystick up or down to select the submenu Parameter.
  • Page 62 User Manual • Clicking each option box with the touch pen or pressing button S can toggle between the options. Moving the joystick up or down can alter values of the option. Moving the joystick left or right can toggle between each digit of the option values if the values contain several digits.
  • Page 63 User Manual • AlarmTemp: To set the scene temperature threshold above which the audio alarm will sound Option Target • Click option Target with the touch pen or press the joystick to select it. Then the Target dialog box appears on the screen •...
  • Page 64 User Manual Option System • Click option System with the touch pen or press the joystick to select it. Then the System dialog box appears on the screen • Clicking each option box with the touch pen or pressing button S can toggle between the options.
  • Page 65 User Manual Storage here or click the icon shown in the memory media bar under the image screen. • Y/M/D: To set date for the camera. After setup, date of the camera will automatically update. • H/M/S: To set time for the camera. After setup, time of the camera will automatically update.
  • Page 66 User Manual click the icon shown in the speech control bar under the image screen to activate or inactivate this function. • UserID: To choose one from 4 users for speech template. When setting its value to be 1, the user is No. 1 user and the speech template is that of No.1 user’s. Then after activating the auto speech recognition function, speech commands must match the speech template of No.1 user’s to successfully execute speech control of the camera.
  • Page 67 User Manual powered on and paired with the camera. • Then set option BlueTooth to be On, the camera will search for the headset. • Once it finds the headset, headset will work as the voice input/ output device of the camera, which means voice recording and replay will be performed through the headset.
  • Page 68 User Manual • Click the icon Guide at the right top corner of the screen with the touch pen to bring up the main menu and then click the submenu Tools. Or press the joystick to bring up the main menu and move the joystick up or down to select the submenu Tools.
  • Page 69 User Manual • To select a certain phrase, click it with the touch pen or move the joystick onto it. • When highlighting a phrase, you can start training its template by clicking button Start with the touch pen directly or by pressing button S or moving the joystick right firstly and then pressing the joystick.
  • Page 70 User Manual • If the training has failed, press the joystick to close the dialog box and then repeat the above procedures till training succeeds. • If the training has succeeded, press the joystick to close the dialog box. Now button Start will change to be Again and highlighted.
  • Page 71 User Manual • Press the joystick to close the dialog box. Repeat the above operation to try it till training succeeds. • The same operation to the left phrases. After successful training, the respective templates will be saved in the camera. Then after the auto speech recognition function is turned on and the corresponding user ID is properly selected, you can control the camera by your voice.
  • Page 72 User Manual • If adjustment fails, mainly under the case that the touch pen did not click on the cursor centers, a dialog box will appear to indicate failure. Then repeat the operation above till adjustment succeeds. • To save the ultimate coordinates of the pen after adjustment, select button Save. To test the adjustment result, select button Test, draw anything with the touch pen on the screen and observe whether the cursor moves accordingly with the pen.
  • Page 73 Menu Help • Click the icon Guide at the right top corner of the screen with the touch pen to bring up the main menu and then click the submenu Help. Or press the joystick to bring up the main menu and move the joystick up or down to select the submenu Help.
  • Page 74: Using The Bluetooth Wireless Headset

    User Manual • Press button C or press the joystick to close the dialog box and return to the live thermal image. Powering off the camera • To power off the camera after use, keep button Power depressed till the progress bar “Power off”...
  • Page 75: Video Output

    User Manual main menu, choose option Function under submenu Parameter and then set sub-option BlueTooth to be Off. • Power off the headset after use. Note: When using the headset to work with the camera, please ensure the plastic Bluetooth window at the bottom of the camera back faces you directly. Also please do not keep the headset far away from the camera.
  • Page 76: Transferring Data From The Camera To Pc

    You can also format the SD card when connecting it to PC through the card reader but not ® running the corresponding menu commands in Guide IrAnalyser software. Note: To format the SD card, choose FAT32 as the file system.
  • Page 77: Installing The Camera Usb Driver To Pc

    • To transfer data saved in the built-in flash memory of the camera to PC, connect the ® camera to PC through the USB extension cable. Then run the software Guide IrAnalyser to download data into PC. • Live video recording and real-time control over the camera are also available with the help ®...
  • Page 78 User Manual • Choose “Install from a list or specific location (advanced)” and include the folder where you save the driver program. Then Click button Next to go further. • Installation starts. When getting to the step as shown below, choose “Continue anyway” to...
  • Page 79 User Manual proceed further • Installation continues and finishes quickly. Click button Finish.
  • Page 80 User Manual ® • Microsoft Windows automatically launches a further installation. • Choose “Install from a list or specific location (advanced)” and include the same folder you chose in the first installation. Then Click button Next to go further.
  • Page 81 User Manual • Installation starts. When getting to the step as shown below, choose “Continue anyway” to proceed further...
  • Page 82 • Go to Device Manager to check and confirm whether the driver has been successfully installed. If there is “GUIDE TP8 After Renumeration (guideusb.sys)” listed under Universal Serial Bus Controller, it indicates the driver has been properly installed and you can transfer data from the camera to PC now.
  • Page 83: Controlling The Camera Through Rs232 Communication Protocol

    User Manual Controlling the Camera through RS232 Communication Protocol RS232 communication protocol is offered with the ThermoPro TP8 camera. Through the protocol the camera can be conveniently controlled on PC at a remote monitoring place. Installing the protocol Click the file “Setup.exe” in the folder “TP8_RS232_Setup” to start installation.
  • Page 84 User Manual The operating system launches an installation wizard. Click button Next to go further. Choose Complete or Custom to install it in a certain manner. If you choose Complete, the installation directory will be C:\Program Files\Guide IR\TP8_RS232. Click button...
  • Page 85 User Manual Next to go further. The operating system is ready to install the protocol. Click button Install to continue. Then the installation will automatically progress.
  • Page 86 User Manual The installation has succeeded. Click button Finish to end it. Now the protocol is ready to be used. Using the protocol Before using the protocol, please ensure the camera and your PC have been properly connected by the RS232/ video cable offered together with the camera. Then click on the shortcut icon TP8_RS232 to run the protocol.
  • Page 87 User Manual Parts Described: Three ports in PC for RS232 communication Buttons for operating the camera Display data that is corresponding to each operation and is exactly transmitted in PC Using the Buttons:...
  • Page 88 User Manual Pink Button in the center: Functions are the same as pressing joystick on the camera While focusing, press it to stop focusing when the image is clear. Press it to bring up the main menu of camera, press the four buttons around to navigate through the options, press it again to select a highlighted option When there is a dialog box displayed in thermal image, press the joystick to confirm selection and close the box.
  • Page 89 User Manual the centre cursor up or down to measure temperature. While the main menu is displayed, press them to toggle between different sub-menus. In the temperature setup menu, press them to toggle between Tmax, palette, Tmin and filter range. When there is a dialog box displayed in thermal image, press them to alter values of different parameters.
  • Page 90 User Manual Button A: When there is no menu displayed in live thermal image, press it to select the temperature setup menu at the right side of the image. Button C: Press it to cancel a dialog box or menu and return to the live thermal image Button S: Functions are the same as button S on the camera: Press it to freeze a live thermal image and press it again to save it into the built-in flash...
  • Page 91 User Manual Press it to perform Non Uniformity Calibration when necessary. Button F1: Functions are the same as button F1 on the camera: Press it in the normal working mode to switch to sleep mode, in which LCD screen is turned off and the red indicator light at the back of the camera flickers.
  • Page 92: Troubleshooting

    User Manual When there is no menu or dialog box in live thermal image, press it to enable the auto focusing of visual camera. Troubleshooting The camera does not turn on Battery improperly installed (i.e. battery is not locked in place).
  • Page 93: Emissivity

    User Manual Non-uniformity appears in the image. Perform a non-uniformity calibration Temperature measurement Emissivity setting is incorrect. Check and amend the inaccurate emissivity setting. Filter range is inappropriate. Select a filter range that is suitable for the target temperature being measured. The target is not in focus.
  • Page 94 User Manual Emissivity = Radiation emitted by surface Radiation emitted by black body How Do We Deal With Emissivity? If we ignore the emissivity altogether and infer a temperature from the thermometer output, we shall get a temperature lower than the true temperature by an amount depending on the value of emissivity and the characteristics of the thermometer.
  • Page 95: Typical Emissivity Values

    User Manual following tables. It must be remembered that these are only guideline figures. They can be substantially increased if the surface is rough or even slightly oxidised. The values quoted for oxidised metals assume that the metal is heavily oxidised. Thin oxide layers will give an emissivity value between this and the value for an unoxidised surface.
  • Page 96 User Manual Nickel 0.15 Platinum 0.10 Silver 0.03 0.09 Titanium 0.30 Tungsten 0.13 Zinc 0.05 0.11 Oxidized...

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