LS172B is a handheld multifunctional colorimeter designed with a principle of 45°annular illumination, 0° viewing angle. The instrument is equipped with a 3.5-inch color capacitive touch screen, which provides an excellent operating experience when used alone. The instrument integrates multiple standard color charts, which can quickly match the measured color to the closest color code. The color meter also has a color difference comparison function, supports a variety of standard color addition methods. The color difference threshold can be set and the color difference formulas can be flexibly selected, which can realize rapid QC testing. It support mobile APP, PC software to realize color sharing, data import and export.
II．Handheld Colorimeter Application
LS172B has a wide range of applications. It is designed with a 45°/0° optical geometric structure. The measured results are closer to visual observations. The equipped mobile App and PC software make the functions more abundant; it is usually used in paint, paper printing, decorations, leather cotton, textile printing, plastics and other industries, for product color management, product color difference quality control and batch inspection.
|Illumination geometry||45/0 (45° annular illumination, 0° viewing angle)|
|Illumination light source||Full spectrum LED light source|
|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),
|Repeatability||Standard deviation ΔE*ab is within 0.03
(Measurement condition: the average value
of 30 measurements on the whiteboard
at an interval of 3s after calibration)
|Power supply||Rechargeable lithium battery 3.7V@4000mAh,
can measure 10,000 times continuously under
|Display||480×320 dot matrix IPS color screen|
|Language||Simplified Chinese, English|
|Charging port||USB (Type-C)|
|Data transmission||USB, Bluetooth|
|Operating temperature range||0~45℃, 0~85%RH (no condensation)|
|Storage temperature range||-25~55℃, 0~85%RH (no condensation)|
1. Touch screen control, perfect viewing angle
The instrument uses a 3.5-inch IPS color capacity touch screen, no button settings are required; the screen is tilted at 20 degrees and has a perfect viewing angle, which has a good user experience and human-computer interaction interface.
2. Support mobile App and PC software， support Chinese and English
The instrument is equipped with mobile APP and PC software, covering Android, iOS, Windows systems; Chinese and English interface can be switched at will;
3. Portable size, easy to carry
Small and portable, easy to store and carry; stable body, ergonomic design, more stable measurement data.
4. Built-in multiple electronic color charts
Built-in multiple standard electronic color charts (RAL, Pantone, NCS), quickly match the 3 closest color codes, with an accuracy rate of over 90%. No need to carry heavy color cards;
5. Color scan and color compare
Color measurement can be achieved by pressing the screen or pressing the power button. Measure color in 1 s, compare color difference in 2 steps. Two clicks can complete the color difference comparison, turn on the QC testing function, batch QC testing can be performed. The color difference threshold can be set to quickly achieve quality control. In addition, it provides Lab values of measured color, which makes the color adjustment easier and more convenient.
6. Seven color spaces and six color difference formulas
The color difference meter has a variety of color spaces such as Lab\RGB\CMYK and a variety of color difference formulas to choose from, matching the color measurement needs of various industries.
7. Create personal color chart, massive storage space
The instrument has built-in large storage space, which can store 1000 colors and 1000 color difference comparison records respectively. By cooperating with mobile APP or PC software, the color meter can store a large amount of data.
8. Support multi-channel color sharing and export
The color data can be imported and exported through mobile APP or PC software. The data can be shared through WeChat, WhatsApp, mailbox, etc.
9. The latest color sensor
LS172B adopts AS7261 chip-level color sensor newly launched by American AMS company. The precise XYZ tristimulus color sensing function simulates the human eye response curve of the standard observer defined in the CIE1931 and CIE1976 color systems.
10. Compensation optical path technology, whiteboard calibration
The instrument has a built-in compensation optical path with stable values and allows long-period calibration. The bottom cap integrates a calibration whiteboard, so there is no need to worry about losing it.
11. Provide locating plate to make color measurement more accurate
The instrument is equipped with a measurement locating plate to meet the needs of precise alignment and make the measurement more accurate.
12. Energy saving, low power consumption
Type-c interface for charging data, built-in lithium battery in the instrument, can be used 10,000 times continuously under full charge. The default automatic off time can be set.
V．Product Qualifications and Standards
LS172B handheld colorimeter meets the following standards:
GBT 3978-2008 standard lighting body and geometric conditions
GBT 3979-2008 Method for measuring object color
GBT 7921-2008 Uniform color space and color difference formula
GBT 11186.1-1989 Coating Film Color Measurement Method Part 1: Principle
GBT 11186.2-1989 Coating Film Color Measurement Method Part 2: Color Measurement
GBT 11186.3-1989 Method for Measuring the Color of Coating Film Part 3 Calculation of Color Difference
JJG 595-2002 Verification Regulations for Color Measuring Colorimeter
VI． Mobile App and PC Software Installation
1. Mobile APP installation
The mobile APP support Android operating system version 7.0 or higher and iPhone supports iOS 7.0 or higher version.
It can be installed in the following ways:
1) Scan the QR code on the portable colorimeter with a mobile browser or WeChat, follow the prompts to download and install.
2) Click on the link https://www.linshangtech.cn/a/170/ to install the APP.
3) Search for "LSColor" (not case sensitive) in the APP Store/Google Play to install the application.
2. PC software installation
Connect to the computer via USB, you can use the PC software of the colorimeter. (PC software only supports Windows operating system)
It can be installed in the following ways:
1) In the product box, the PC software is installed in USB flash disk.
2) Download "colorimeter-windows-V1.0.0.rar" to the local and run it directly after decompression.
When the colorimeter has not been used for a long time, it is recommended to perform calibration before using.
Please ensure that the sample is evenly colored with a flat and clean surface, otherwise it will affect the measurement accuracy.
After the base is removed from the host, it should be stored in a clean place to avoid contamination of the standard tile.
Do not insert any object inside the colorimeter to clean it, as this will damage it and affect measurement accuracy and operational safety.
Charge the colorimeter in time when the battery is out of power.
If not in use over 6 months, charge it regularly to prevent the battery from over-discharge and damage.
It's recommended to calibrate the instrument once each year. And we offer calibration service.
Due to different mobile phone displays, there may be a slight color difference between the actual color and the color displayed on the mobile phone App.
VII. Packing Details
|3||U disk (software)||1||pcs|
|7||Certificate / Warranty card||1||pcs|
VIII. After sales service
1. The colorimeter has one-year warranty. If the meter works abnormally, please send the whole colorimeter to our company for maintenance
2. Provide users with spare parts and lifelong maintenance services
3. Provide the users with the meter inspection service
4. Free technical support for long term