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Shenzhen Linshang Technology Co., Ltd.
LS171
Colorimeter
User Manual V2.0
QR code for app installation
https://www.linshangtech.cn/a/170/
Please read this manual carefully before using and reserve it for reference.
3-9-2021
Page 1 of 15

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Summary of Contents for LINSHANG LS171

  • Page 1 Shenzhen Linshang Technology Co., Ltd. LS171 Colorimeter User Manual V2.0 QR code for app installation https://www.linshangtech.cn/a/170/ Please read this manual carefully before using and reserve it for reference. 3-9-2021 Page 1 of 15...
  • Page 2: Product Introduction

    APP can’t be used. II Product Introduction LS171 is a portable App smart colorimeter. It greatly improve and expand the function of the colorimeter using the mobile phone App's large memory and convenient operation. The mobile APP comes with multiple electronic color charts to quickly match the measured color to the closest color card number and support measured color sharing through WeChat, WhatsApp, Skype, email, etc.
  • Page 3 Shenzhen Linshang Technology Co., Ltd. Illumination light source Full spectrum LED light source Measuring aperture Measurement conditions Light source D65, field of view 10° Measuring time About 1s Color space CIE Lab, Luv, LCh, Yxy, CMYK, RGB, Hex Color difference formula ΔE*ab, ΔE*uv, ΔE*94, ΔE*cmc(2:1), ΔE*cmc(1:1), ΔE*00...
  • Page 4: Operation

    Shenzhen Linshang Technology Co., Ltd. V Operation 1. Power on/off Power on: Short press the power button to turn on the colorimeter, after that, the indicator light will flash. Shut down: Long press the power button to turn off the colorimeter; when the mobile phone is not connected to Bluetooth, it will automatically turn off without any operation in 3 minutes;...
  • Page 5: Color Measurement

    Shenzhen Linshang Technology Co., Ltd. colorimeter has not been used for a long time, it is recommended to calibrate. 4. Measurement After the App is successfully connected to the colorimeter, enter the main measurement interface. There are two measurement modes: "Color Scan" and "Color Compare". After the App is opened, the default mode is "Color Scan", there are two measurement switch buttons at the bottom of the main interface.
  • Page 6: Color Compare

    Shenzhen Linshang Technology Co., Ltd. You can continue other operations as follows:  Enter name After measuring the color, you can enter a name for saving or sharing.  Save The user can enter name and click the "Save" icon to save the measured color. The color is saved in "My Colors".
  • Page 7 Shenzhen Linshang Technology Co., Ltd.  Standard color measurement Click the "Scan Standard" button and the current measured value will be used as the standard color.  Sample color measurement Click the "Scan Sample" button and the current measured value is used as the sample color.
  • Page 8 Shenzhen Linshang Technology Co., Ltd. ticked) and the ΔE threshold is set, if the calculated ΔE is greater than the set threshold, "NG" is displayed, and the judgment area is displayed in red; if the calculated ΔE is less than or equal to the set threshold, it will display "PASS"...
  • Page 9: Parameters Settings

    Shenzhen Linshang Technology Co., Ltd. 5.1. Parameters settings "Parameter setting" can set the color format, ΔE formula, QC mode and matching color chart.  Color format The color format corresponding to the color space includes: Lab, Luv, LCh, Yxy, CMYK, RGB and Hex.
  • Page 10 Shenzhen Linshang Technology Co., Ltd. The QC mode is the parameter setting for QC testing. The QC testing function can be selected according to the needs. The threshold can be set in the range of 0.1-50. After the QC testing function is turned on, the QC judgment result will appear in the "Color Compare"...
  • Page 11: Device Information

    Shenzhen Linshang Technology Co., Ltd. 5.3. Compare History "Comparison History" saves the result of color difference comparison. Display the measurement time, ΔE value and QC testing result of each comparison result. Single item deletion or all deletion can be performed and the comparison result can also be shared in data format.
  • Page 12 Shenzhen Linshang Technology Co., Ltd. 6. Color import Users can import the colors shared by others into their own App, but the colors must be tested by the same model of colorimeter and the file shared by selecting "Export Data" can be imported. The specific...
  • Page 13 Shenzhen Linshang Technology Co., Ltd. (3) If the import is successful, it will prompt "Import successful". After the import is successful, the last record in the folder is the imported data. (4) If the model does not match, it will prompt "Unmatched device model". You need to connect to the corresponding model of the instrument before importing.
  • Page 14: Packing List

    Shenzhen Linshang Technology Co., Ltd. The recommended calibration cycle is one year, and the company provides calibration services. Due to the different mobile phone displays, there may be a slight color difference between the actual color and the color displayed on the mobile phone App.
  • Page 15 Shenzhen Linshang Technology Co., Ltd. Manufacturer: Shenzhen Linshang Technology Co., Ltd. Website: www.linshangtech.com Service hotline: +86-755-86263411 Email: sales21@linshangtech.com 3-9-2021 Page 15 of 15...

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