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LBTA-101E Retroreflectance Coefficient Meter

The retroreflectance coefficient tester for road signs is a new, portable device for assessing road traffic safety. It employs a standardized transfer‑based indirect measurement method and is specifically designed to evaluate the retroreflective optical performance of various reflective safety signs. The instrument is suitable for on‑site testing and inspection of road‑traffic reflective products, vehicle‑mounted safety reflectors, and industrial safety signage. Our company’s retroreflectance coefficient tester features an advanced optoelectronic integration, high precision, exceptional stability, and a cutting‑edge metal‑frame design. The system incorporates a 32‑bit MCU as its main control module and Linux‑based embedded programmable software, along with a built‑in high‑capacity storage unit and a touch‑screen display equipped with a soft keyboard for input. It offers user‑friendly characteristics such as no warm‑up required, minimal measurement error, and instant readiness for use.

Category:

Traffic Sign and Marking Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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LBTA-101E Retroreflectance Coefficient Meter

Description

Product Introduction:

The retroreflectance coefficient tester is a new, portable road traffic safety testing device that employs a standardized transfer‑based indirect measurement method. It is specifically designed to measure the retroreflective optical performance parameters of various reflective safety signs and is suitable for on‑site testing and inspection of road‑traffic reflective products, vehicle‑mounted reflective safety devices, and industrial safety signage, among others.

Our company’s newly developed retroreflectivity coefficient tester features an integrated optoelectronic design with high precision and exceptional stability, along with a cutting-edge metal housing. The system is powered by a 32-bit MCU master control module and embedded, Linux-based programmable software, and incorporates a large-capacity storage unit and a touchscreen display with a soft‑keyboard input interface. It offers user-friendly characteristics such as no warm-up time, minimal measurement error, and plug-and‑play operation.

Product Features:

Scratch-resistant all-metal casing
Magnetic calibration makes it even more convenient.
4.3-inch high-brightness LCD capacitive touchscreen for displaying measurement data
Configurable parameters allow the display of system information such as date, time, and test location.
An English-language menu mode can be made available to international customers for their convenience.
Supports real-time display of on-site temperature and humidity.
Automatic verification, zeroing, and calibration of measurement standards
Enter Chinese characters, English text, and symbols using the on-screen keyboard.
It can store test records and allows detailed queries at any time.
Smart standby management: the display system shuts down and enters sleep mode when no operations are detected.
Supports multiple measurements and calculates the average value.
Supports 8 GB SD card data storage and allows data to be saved in Excel spreadsheet format, with the option to export it to a computer via the USB flash drive function.
Low-illumination, high-sensitivity photoelectric measurement device assembly
High-precision, high-stability analog data acquisition and A/D conversion circuitry
Low-Power, High-Reliability Master Control Unit and Computing System

Technical Specifications:

Parameter Category	Parameter content
Measurement item	Retroreflection coefficient cd/lx/m²
Measurement range	0–1999.9
Set the angle of incidence.	-4°
Set the viewing angle	0.2°
Measure the light source	Standard A Light Source
Measure the spot diameter	32mm
Repeatability measurement error	≤2%
Reproducibility measurement error	≤3%
Standby measurement time (intermittent measurement)	>8h
Built-in power capacity	3500mA.h
Data storage space	8GB
Charging power supply	DC 8.4V
Ambient operating temperature	0–50°C
Operating ambient humidity	<95%, no condensation
Overall machine volume	220 mm × 250 mm × 80 mm (L × H × W)
Overall machine weight	1700g

Main product components

The main components and structure of the detector are shown in Figure 1.

Touchscreen Display: While the instrument is operating, it displays various status and data information, and also allows users to perform system settings, standard calibration, and data recording.
Detection window
Power switch: Used to turn the instrument on and off.
Charging port: Used to charge the instrument.
USB Interface: Enables data exchange between the instrument and the computer.
Detector body
Detection switch: A trigger switch located on the instrument’s handle, used for performing detection operations and waking up the system.
Calibration plate: used for instrument parameter calibration.

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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LBTA-101E Retroreflectance Coefficient Meter

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Address:Tianjin Jinghai Economic Development Zone

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