Dali LT3 User Manual
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Dali LT3 User Manual

Thermal image camera
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LT3/LT7
Thermal Image Camera
User Manual
ZHEJIANG DALI TECHNOLOGY CO LTD

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Summary of Contents for Dali LT3

  • Page 1 LT3/LT7 Thermal Image Camera User Manual ZHEJIANG DALI TECHNOLOGY CO LTD...

  • Page 2: Warnings, Cautions And Notes

    LT3/LT7 Thermal Image Camera User Manual DALI Warnings, Cautions and Notes Definitions  WARNING Could cause bodily injury or death.  CAUTION Could cause damage to equipment or permanent loss of data.  NOTE provides useful information to the operator.

  • Page 3: Table Of Contents

    LT3/LT7 Thermal Image Camera User Manual DALI Contents Warnings, Cautions and Notes 1 Introduction 1.1 Standard accessories 1.2 Optional accessories 2 Camera overview 2.1 Function keys 2.2 Interface 3 Basic operation 3.1 Battery Installation and Replacement 3.1.1 Inserting or removing battery 3.1.2 Replacing battery...
  • Page 4 LT3/LT7 Thermal Image Camera User Manual DALI 4.4.5 System setup 4.4.6 System Info 4.4.7 Factory Default 4.5 File 4.5.1 Open 4.5.2 Save 4.5.3 Save Setting 4.5.4 Auto Save 4.5.5 Delete 4.5.6 Format 5 Technical specifications Troubleshooting Appendix A Common material emissivity（FYI）...

  • Page 5: Introduction

    Thank you for choosing DALI Instruments “LT3” or “LT7” hand-held infrared thermal imager. Model Identification LT3 imagers use the detector with 25um 160×120, and measurement range from -20℃～ +350℃ LT7 imagers use the detector with 25um 384×288, and measurement range from -20℃～...
  • Page 6 LT3/LT7 Thermal Image Camera User Manual DALI Upgrades and Options LT3&LT7 Series models are factory upgradeable for Wide Angle or Telephoto Lenses. Applications: Preventive maintenance  Power industry: Power line and power facility thermal state checking; ● problem and defect diagnosis.

  • Page 7: Standard Accessories

    LT3/LT7 Thermal Image Camera User Manual DALI 1.1 Standard accessories  Infrared thermal image camera (with wrist strap)  Carrying case  Video out cable  Lithium batteries（2）  User manual, Infrared report and analysis software system CD  Lithium battery charger ...

  • Page 8: Camera Overview

    LT3/LT7 Thermal Image Camera User Manual DALI 2 Camera overview 2.1 Function keys...
  • Page 9 LT3/LT7 Thermal Image Camera User Manual DALI [1] Power key Press and hold the Power Key for > 3 seconds to power on/off the camera. Note: After powering off, please wait ten seconds before powering the camera on again. [2] Select/Auto key (Marked “A”) The “A”...
  • Page 10 LT3/LT7 Thermal Image Camera User Manual DALI memory, will return to real-time measurement status. When not in menu mode or parameter editing, pressing and releasing the C key ● will toggle between the thermal image and the visible CCD camera image.
  • Page 11 LT3/LT7 Thermal Image Camera User Manual DALI Laser – Pulling trigger activates laser sight and releasing deactivates it. Spot– Pulling and releasing trigger adds a spot. Pulling and releasing trigger again removes the spot. Area –Pulling and releasing trigger adds an area. Pulling and releasing trigger again removes the area.

  • Page 12: Interface

    LT3/LT7 Thermal Image Camera User Manual DALI 2.2 Interface [1] USB output Inserting USB cable to this port and connecting to computer for data transmission (only support USB2.0). [2] TF Card slot Accepting standard size TF card such as supplied 2GB capacity card, for device upgrade or image storage.

  • Page 13: Basic Operation

    LT3/LT7 Thermal Image Camera User Manual DALI 3 Basic operation 3.1 Battery Installation and Replacement 3.1.1 Inserting or removing battery Battery compartment is located inside the handle. Turn the cover counter-clockwise to remove. Remove battery for replacement. Insert the battery (the battery contacts must face into the battery compartment).

  • Page 14: Replacing Battery

    LT3/LT7 Thermal Image Camera User Manual DALI Replace the cover and screw down. CAUTION: Use only original manufacturer replacement battery. Use of incorrect battery may result in physical or electrical damage to the instrument due to incorrect voltage or physical size difference.

  • Page 15: Battery Safety And Usage

    LT3/LT7 Thermal Image Camera User Manual DALI Powering off display It’s better to replace batteries now. 3.2 Battery safety and usage → Batteries should be stored in an ambient temperature of -4 ℉ (–20℃ ) to 67.9 ℉ (+20℃ ). Lithium batteries will self-discharge during storage, so they should be fully charged before storage.

  • Page 16: Quick Access

    LT3/LT7 Thermal Image Camera User Manual DALI 3.3 Quick access 3.3.1 Capture an image After installing the battery, press and hold the power key ( ≥ 3 seconds) until the ● display comes on. After approximately 50 seconds, the power on routine will finish and the camera will start its measurements.

  • Page 17: Freeze And Save Image

    LT3/LT7 Thermal Image Camera User Manual DALI Spot settings include emissivity and reference temperature. When Set Ref is set as Yes, the displayed values of other measurements will be their delta from this measurement. Line settings only include the emissivity.

  • Page 18: Viewing Stored Images

    LT3/LT7 Thermal Image Camera User Manual DALI 3.3.4Viewing stored Images Press Menu key to activate the main menu. Choose File->Open to open the image. ● When image is opened, choose Left or Right keys to select the previous or next ●...

  • Page 19: Operation Guide

    LT3/LT7 Thermal Image Camera User Manual DALI 4 Operation guide 4.1 Graphic interface description 4.1.1 Screen graphic interface [1] Company logo: DALI [2] Operating status: displays the current operational status. [3] Spot temperature measurement: White crosshair. [4] Selected spot temperature: Yellow crosshair, and show by“*” .

  • Page 20: Main Menu

    LT3/LT7 Thermal Image Camera User Manual DALI 4.1.2 Main menu [1] Main menu: Displays four options: Measurement, auto/manually, Setup, and File. [2] Low-level menu: The > indicates a low-level menu is available, accessed by the right arrow key. 4.1.3 Dialog box [1] Dialog box name：Displays the dialog box name, e.g.

  • Page 21: Prompt Box Interface

    LT3/LT7 Thermal Image Camera User Manual DALI 4.1.4 Prompt box interface [1] Prompt box name：Display the prompt box name, e.g. Del file. [2] Content：Display the content in the prompt box, e.g. Del Image File? 4.2 Measurement Used for adding or deleting a measurement. Press Menu key to activate the main menu.

  • Page 22: Auto/Manually

    LT3/LT7 Thermal Image Camera User Manual DALI 4.3 Auto/Manually By adjusting the temperature and color corresponding relation, users can observe enhanced image quality and easily find and analyze thermal fault. There are two operational modes Auto/Manually available. Press Menu key to activate the main menu and select Auto/Manually. The low-level menu will display the inactive mode followed by a “?”.

  • Page 23: Setup Menu

    LT3/LT7 Thermal Image Camera User Manual DALI 4.4 Setup menu 4.4.1 Measuring Setup Press Menu key to activate the main menu. Select Setup->MeasureSet and press Confirm key to pop up the Measuring Setup dialog box. User can view or set temperature range, lens type, temperature unit, ambient temperature, reference type and reference temperature.

  • Page 24: Adjustment Setup

    LT3/LT7 Thermal Image Camera User Manual DALI Reference type： When Ref Type is “On”, the temperature of the measured ● object displayed by the cursor on the screen is the difference from the selected reference or the reference temperature set below.

  • Page 25: Analysis Setup

    LT3/LT7 Thermal Image Camera User Manual DALI 4.4.3 Analysis setup Press Menu key to activate the main menu. Select Setup->Analysis setup and press Confirm key to pop up the Analysis dialog box. User can set temperature alarm, alarm type, alarm color, isotherm color, isotherm temperature and isotherm width. Press Up and Down keys to choose menu items, Left and Right keys to modify the item contents.

  • Page 26: Date/Time Setup

    LT3/LT7 Thermal Image Camera User Manual DALI 4.4.4 Date/Time setup Allows the user to set the system date and time. After setting, the camera will save the current setting. Press Menu key to activate the main menu. Select Setup->Date/Time and press Confirm key to open the Date/Time dialog box.
  • Page 27 LT3/LT7 Thermal Image Camera User Manual DALI Language: Select system language from 9: English, Spanish, French, German, ● Italian, Portuguese, Korean, Japanese, Russian. Auto Calibration: Select Auto Calibration and press right arrow key, Auto Calib ● mode dialogue box will pop up. User can select from 3 modes: long, short or customize.

  • Page 28: System Info

    LT3/LT7 Thermal Image Camera User Manual DALI 4.4.6 System Info Press Menu key to activate the main menu. Select Setup->Sys. Info and press Confirm key to open the System Information dialog box. It displays the Model number, Serial number, Version number and Date of Manufacture.

  • Page 29: File

    LT3/LT7 Thermal Image Camera User Manual DALI NOTE: Default Reset function will delete all parameters defined by user. NOTE: Restoring Default settings will NOT delete images stored on the TF card. 4.5 File 4.5.1 Open Press Menu key to activate the main menu. Select File->Open, press Confirm key to open the saved images.

  • Page 30: Save

    LT3/LT7 Thermal Image Camera User Manual DALI [1] Current file name, created by Imager. [2] Current displayed image file number [3] Total number of images currently stored 4.5.2 Save It is used for saving the image, performs the same functionality as the Save key. Press Menu key to activate the main menu.
  • Page 31 LT3/LT7 Thermal Image Camera User Manual DALI With Voice Save set in Save Settings menu, if Voice Save was On, Recording will start. Speak clearly into the microphone on the control panel. Record function allows up to 60 seconds of recording time and may be stopped at any time by pressing the Confirm key.

  • Page 32: Save Setting

    LT3/LT7 Thermal Image Camera User Manual DALI 4.5.3 Save Setting The Save Setting menu allows enable/disable of the CCD Camera and voice recording. Press Confirm key to activate the main menu. Select File->Save Setting, press Confirm key to display the Save Setting dialog box. Press Up and Down keys to choose the option.

  • Page 33: Auto Save

    LT3/LT7 Thermal Image Camera User Manual DALI 4.5.4 Auto Save Auto Save allows the camera to automatically save images at a user-specified interval. Voice annotation is inactive with Auto Save. With Auto Save set to 0 the function is disabled. To enable, select 10 to 3600 seconds (1 hour), in 1-second increments. To set, press Menu key to activate the main menu.

  • Page 34: Format

    LT3/LT7 Thermal Image Camera User Manual DALI 4.5.6 Format Format is used for formatting the TF card. Press Menu key to activate the main menu. Select File->Format and press Confirm key to pop up the below dialog box. Press Confirm key to do format; press C key to cancel the format.

  • Page 35: Technical Specifications

    LT3/LT7 Thermal Image Camera User Manual DALI 5 Technical specification Technical Specification Items Detector type Un-cooled FPA micro-bolometer Detector characteristics Array size/format 160×120 384×288 Field of view/min focus 25° ×19° /0.1m distance Spatial resolution（IFOV） 2.72mrad 1.36mrad Thermal sensitivity ≤ 0.06℃ @30℃...
  • Page 36 LT3/LT7 Thermal Image Camera User Manual DALI Operating temperature -15℃ ~+50℃ Humidity Operating and storage：≤ 90％ non-condensing Environment Encapsulation IP54 Drop test Weight 980g Physical characteristics Dimension 105×245×230mm SD card slot Micro SD card slot External DC input Interface Video output Image, measurement data transfer The information contained in this document is subject to change without notice.

  • Page 37: Troubleshooting

    LT3/LT7 Thermal Image Camera User Manual DALI Troubleshooting Please follow the table below to diagnose and correct the problem. If problem still exists, please contact our service department . Problem Cause & Solution Battery not installed or installed incorrectly ●...

  • Page 38: Common Material Emissivity（Fyi

    LT3/LT7 Thermal Image Camera User Manual DALI Appendix A Common material emissivity（FYI） Material Surface Temperature℃ Emissivity（ε） Non- oxidized 0.20 Aluminum Oxidized 0.55 Burnished to Brown 0.40 Brass Dull luster 0.22 Oxidized 0.61 Copper Seriously Oxidized 0.78 Oxidized 0.74 Iron Rusty 0.65...

  • Page 39: Factory Default Parameter Setting Table

    LT3/LT7 Thermal Image Camera User Manual DALI Appendix B Factory default parameter setting table Table.1 Measurement temperature setting table Value Parameter Temperature Range -20 ~ 350℃ -20 - 180℃ Lens Standard Temp Unit ℃ Ref Type Ref Temp 30℃ Table.2 Measurement temperature correction table...
  • Page 40 ZHEJIANG DALI TECHNOLOGY CO.LTD Add：639 Binkang Road, Hangzhou, P.R.China 310053 Tel：+86-571-86695603 Fax：+86-571-86695600 http://www.dali-tech.com E-mail: sales@dali-tech.com...

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