LS172B 45/0 Handheld Colorimeter with Bluetooth

LS172B colorimeter has been discontinued. If you want to know about this product, please view product LS172 colorimeter

More About LS172 User Manual


Please watch the video as above to learn more about features and operation.

LS172B is a handheld multifunctional colorimeter designed with a principle of 45°/0° optical structure. The instrument is equipped with a 3.5-inch color capacitive touch screen, which provides an excellent operating experience. The color difference threshold can be set and the color difference formulas can be flexibly selected, which can realize rapid QC testing. It supports mobile APP, PC software to realize color sharing, data import and export.


LS172B Handheld colorimeter is usually used in product color measurement and management, and product color difference quality control in paper printing.

colorimeter measure decorations

colorimeter measure decorations

color meter test printing matters

color meter test printing matters


Parameter Value
Illumination geometry 45/0 (45° annular illumination, 0° viewing angle)
Illumination light source Full spectrum LED light source
Measuring aperture 8mm
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
Repeatability Standard deviation ΔE*ab ≤ 0.03
(Measurement condition: the average value of 30 measurements on the white tile at an interval of 3s after calibration)
Dimension 86mm×62.5mm×158mm
Weight About 225g
Power supply Rechargeable lithium battery 3.7V@4000mAh,can measure 10,000 times continuously underfull charge
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)
handheld colorimeter structure
handheld colorimeter structure


Touch screen operation, perfect experience

The instrument uses a 3.5-inch IPS color capacitive touch screen, no button settings are required. The screen is tilted at 20 degrees, a perfect viewing angle, which provides a good user experience and human-computer interaction interface

Support mobile App and PC software (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.

Small and portable

Small and portable, easy to carry

Built-in multiple electronic color charts

Built-in multiple standard electronic color charts (RAL, Pantone-C, Pantone-U, NCS), quickly match the three closest color codes, with an accuracy rate of over 90%. No need to carry heavy color cards.

Color scan and color compare

The user can acquire the color values by color measurement function and compare the color between sample and standard in color compare interface

Seven color spaces and six color difference formulas

The color meter has seven color spaces such as Lab\RGB\CMYK and six color difference formulas to choose from,
matching the color measurement needs of various industries

Create personal color chart, massive storage space

The instrument has large storage space, which can store 1000 colors and color comparison records respectively. By cooperating with mobile APP or PC software, the color meter can store a large amount of data

Compensation optical path technology, white tile calibration

The instrument has compensation optical path with stable values and allows long-period calibration. The bottom cap integrates a calibration white tile

Energy saving, low power consumption

Type-c interface for charging, lithium battery enables 10,000 continous measurements under full charge

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.

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

colorimeter locating plate

Locating Measuring Area

Align the positioning hole

Align the positioning hole

Measurement Results

Measurement Results

Compensation optical path technology, white tile calibration

The instrument has compensation optical path with stable values and allows long-period calibration
The bottom cap integrates a calibration white tile

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

color analyzer calibration report&patent certificate
color analyzer calibration report&patent certificate

Installation and Operation

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:

  • Scan the QR code on the portable colorimeter with a mobile browser or WeChat, follow the prompts to download and install.

  • Click on the link to install the APP.

  • Search for "LSColor" (not case sensitive) in the APP Store/Google Play to install the application.

QR code to download colorimeter App
QR code to download colorimeter App

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:

  • In the product box, the PC software is installed in USB flash disk.

  • Download "" to the local and run it directly after decompression.

3. Operation video

Packing List

No. Description Quantity Unit
1 Colorimeter 1 Set
2 USB cable 1 pcs
3 U disk (software) 1 pcs
4 Cleaning cloth 1 pcs
5 Locating plate 1 pcs
6 User manual 1 pcs
7 Certificate / Warranty card 1 pcs
handheld colorimeter packing
handheld colorimeter packing

Support Articles

Linshang Portable Colorimeter Selection and FAQ
Colorimeter (also named color difference meter) is widely used in paint, coatings, ink printing, packaging materials, leather fabrics, textiles, plastics and other industries.
How to understand color comparison data on colorimeters?
Linshang have launched 7 models of colorimeter, among which LS170 and LS172 needs to connect APP on the mobile phone via Bluetooth, and others like LS172, LS173, LS172B, LS173B, LS175 can be used directly.
How to Solve the Connection Problems of Colorimeter App
What is the Bluetooth pairing code of the colorimeter? Why no corresponding colorimeter can be sear
Why is there difference between the color displayed on colorimeter and the actual color?
Under different ambient light, the color seen by the naked eye will be different.