Flicker & Glare Test

LLD-2120 Luminance Measurement System

Wide dynamic range , high repeatability

LLD is specifically designed for on-site measurement of tunnel lighting and road lighting; it enables easy installation. With exceptional imaging quality, high accuracy, high repeatability, and intuitive operation, it is widely used in road lighting, tunnel lighting, architectural lighting, and related fields.

Features

One single sampling delivers full information on light and color uniformity
Equipped with scientific-grade thermoelectric cooled area array detector, it performs the work equivalent to thousands of spot luminance meters simultaneously in one measurement. It rapidly and accurately captures luminance and chromaticity data (subject to order specifications) across the entire field of view and completes uniformity analysis automatically.
Low-luminance Measurement with High Repeatability
Noise is a key factor affecting measurement sensitivity, stability and repeatability. Fitted with professional image sensor and high-performance cooling structure, the device delivers highly stable measurement with outstanding repeatability even under low-luminance conditions to ensure accurate low-brightness testing.
Wide Linear Dynamic Range & Superior Measurement Accuracy
Adopting high dynamic range (HDR) technology, it achieves excellent measurement linearity across seven orders of magnitude.
Software Compliant with Chinese Standards & International CIE88 Standard
Feature-rich, user-friendly software with intuitive interface is developed in accordance with domestic Chinese standards and international norms including CIE88 to satisfy all on-site measurement requirements.
Achieve luminance distribution measurement for various spatial resolutions and lighting scenarios
For road lighting applications, the LLD system conducts measurement and analysis of average road surface luminance, overall luminance uniformity and longitudinal uniformity complying with Chinese and European standards.
Besides calculating the threshold increment (TI) of road lighting, the system also measures and analyzes tunnel lighting per Chinese specifications and CIE documents. It covers luminance evaluation across tunnel access, transition zone, inner tunnel and exit sections, alongside key tunnel lighting parameters such as Lseq and L20.
Stable and reliable data communication
Gigabit Ethernet connectivity ensures dependable long-distance data transmission even in complicated production environments.

Technical Specifications

Model	LLD-2120
Pixel Count	Not less than 12 million pixels
Exposure Time	100μs - 30s
Luminance Measurement Range	0.001 cd/m²–500,000 cd/m² (range configured to order)
Typical Luminance Measurement Time	≤1 s @ 100cd/m²
Measurement Distance	Wide-angle lens: 0.3 m–∞

LLD-217 Luminance Measurement System

Wide dynamic range , high repeatability

Features

1.Adopts a professionally engineered optical system featuring superior imaging performance, fast measurement speed and easy operation.
2.Equipped with a dedicated image sensor and high-performance cooling architecture to deliver highly stable measurements.
3.Advanced dark-current control technology delivers high test sensitivity and ensures stable measurement at low luminance levels.
4.Feature-rich software supports flexible ROI selection of arbitrary size and shape; it enables luminance distribution and iso-luminance contour analysis for lighting scenes, alongside calculations of average, maximum, minimum luminance, min/max ratio and min/average ratio.

Technical Specifications

Model	LLD-217
Pixel Resolution	Not less than 1.7 million pixels
Data Interface	Gigabit Ethernet
Measurement Range	0.05 cd/m²–6,000,000 cd/m² (range configured to order)
Luminance Measurement	≤1 s @ 100 cd/m²
Field of View	Wide-angle lens: approx. 60° (horizontal) × 45° (vertical)
Measurement Distance	Wide-angle lens: 0.3 m–∞
Computer (User-Supplied) Minimum Configuration	CPU: Intel Core i7-7700, 3.6 GHz or higher Operating system: 64-bit Windows 10 Memory: at least 16 GB; communication interface: Gigabit Ethernet

RDLM-2000 Road-lighting Dynamic Luminance Measurement System

Real Time Rapid Measurement, Safe and High Effiency，Flexible Deployment Methods, Meet Diverse Measurement

RDLM-2000 is designed for road lighting measurement, specifically optimized to dynamically capture luminance images under vehicle-mounted mobile conditions. This capability enables the derivation of critical lighting quality metrics such as average luminance and luminance uniformity across individual road sections.

Features

Real-Time Dynamic Measurement
On-the-go road lighting data collection during vehicle operation—efficient, safe, and traffic-closure-free.
Flexible Layout
Supports both national standard–based and user-defined grid configurations (quantity and positions) to suit diverse testing needs.
Automatic Data Storage
System-auto-saves inspection images and results, ensuring full traceability for later evaluation and reporting.
Easy Installation
Vehicle-mounted design, compatible with multiple vehicle types, with simple assembly and disassembly.
Measurable Parameters
Luminance, luminance uniformity, longitudinal uniformity, average luminance, etc.

Technical Specifications

Model	RDLM-2000
Luminance Detector Pixel Count	≥1.5 million pixels
Luminance Image Measurement Frame Rate	Configurable; maximum real-time measurement frame rate: 50 fps
Luminance Measurement Range	0.01 cd/m²–300,000 cd/m² (custom ranges available)
Luminance Measurement Repeatability	0.001
Measurement Distance	0.3 m ~ ∞

LFA-3000 Light Flicker Analyzer

The maximum sampling rate up to 100 kHz Wide dynamic range, it is suitable for the measurement of various dimming levels

LFA-3000 can simulate flickering measurement and analysis under various voltage fluctuation conditions, and the system has built-in standard voltage waveform database, one operation can complete the test and analysis of IEC 61547-1, convenient and fast. Meet the lighting product design, quality inspection and application of flickering test analysis needs.

Features

1. The sampling rate can be up to 100 kHz, and the software can judge the flicker hazard level according to the corresponding standard.
2. The measurable parameters include base frequency, percantage of flicker, flicker index, Pst, Mp, SVM, etc.
3. CSV data files of different voltage waveform can be imported to simulate and analyze flicker effects under various lighting field conditions.
4. A wide linear dynamic range of up to 8 orders of magnitude captures the fine waveforms of rapidly changing light sources, suitable for the measurement of dimming products.
5. Built-in standard voltage waveform database, can also customize the voltage waveform, according to IEC 61547-1 lighting product input voltage waveform requirements.
6. Large storage, side-by-side unlimited sampling and transmission by tablet PC wireless control.

Technical Specifications

Model	LFA-3000
Measurement Functions	0.1 lx～200,000lx
Measurement Accuracy	Class 1 (±4%)
Dimensions	340 mm × 90 mm × 160 mm (L × W × H)
Weight	8 kg
Model	SWG-3000
Input Voltage	85V~260V，50Hz/60Hz
Output Capacity / Output Frequency	1000VA/45Hz~65HZ
Output Voltage	100 V–130 V (150 V range) 200 V–260 V (300 V range)
Maximum Output Current (rms)	10 A/5 A (150 V/300 V range)
Frequency Stability / Voltage Stability	≤0.03%/≤0.1%
Line Regulation / Load Regulation	≤0.1%/≤0.2%+0.2V
Total Harmonic Distortion of Voltage	≤0.2%(40.0Hz~65.0Hz)
Transient Response Time / Power Efficiency	<60μs/≥75%

LGM-300 Lighting Glare Measurement System

Portable and Convenient On-site Measurement

LGM-300 is for glare measurement and analysis of indoor and outdoor lighting scenes meets the measurement requirements of CIE, EN, GB standards with good measurement stability. The system is portable and can be widely used for on-site-glare measurement and analysis such as indoor lighting, road lighting, sports venues and regional lighting.

Features

Large FOV
Precision platform and powerful software achieve accurate measurement under large FOV, so as to meet various standards and requirements.
High Accuracy and Stability
High precision and stability measurement by stable and strict CIEV (λ) photo-electrical detector.
High Resolution and Distortionless Image
High resolution and distortionless image with professional and friendly software interface design makes the glare measurement and analysis easier.
Portable
Small size and light weight, it is widely used in glare analysis site, such as indoor, road, stadium and regional lighting.

Technical Specifications

Model	LGM-300
Angular Range	Meets the field-of-view requirements for UGR, TI, and GR measurements
Permissible Luminance Measurement Error	±3%
Luminance Range (CIE Standard Illuminant A)	0~500,0000 cd/m²
Measurement Distance	150 mm–infinity (custom options available)
Communication Interface	Ethernet port
Power Supply	12 V/6.67 A
Standard Configuration	CXM-3G imaging luminance meter for glare measurement, motorized pan-tilt head, tripod, AC adapter, communication cable, and Ethernet cable

SFIM-500 Spectral Flickering Irradiance Meter

Handheld Spectrum and Flicker Testing

The SFIEM-500 integrates the functions of spectral measurement and flicker analysis, and uses the international patent design as the core to achieve high precision and high sensitivity measurement. Dedicated to the measurement of parameters such as light source, fast luminosity curve, flicker, flicker index, percent flicker, etc. One-click operation, one step to complete the field measurement and analysis, data real-time reading.

Features

1. SBCT and stray light correction patent achieve 0.01 lx~200 klx wide dynamic range measurement.
2. Fast and efficient measurement for spectral, radiant, photometry and chromatic parameters.
3. The test method is flexible, the detector is detachable.
4. High-speed sampling technology up to 50 KHz records and analyzes the optical measurement waveform of transient light sources in real time.
5. High confidence approved calibration certificate, to ensure the quantity value traceability, measurement accuracy and reproducibility.
6. High measurement accuracy without V(λ) mismatching error.

Technical Specifications

Model	SFIM-500
Wavelength Range	380nm～780nm
Tilt Indication Range	0~90°
Typical Applications	Designed for rapid measurement of photometric waveforms and flicker at light sources and on-site lighting installations, including flicker index, percent flicker, short-term flicker severity (Pst) and stroboscopic visibility measure (SVM).
Measurement Parameters	Relative spectral power distribution P(λ), illuminance E, percent flicker, flicker index, flicker frequency, Pst, SVM, FFT spectrum, spectral irradiance E(λ), color rendering index (CRI), correlated color temperature (CCT), standard deviation of color matching (SDCM), etc.
Correlated Color Temperature (CCT) Range	1,000 K～100,000 K
Illuminance Measurement Range (CIE Standard Illuminant A)	0.1lx～100klx
Display Size	5.48" OLED touchscreen
Storage Capacity	6 GB (built-in)

START-1000 Start/run up Time Test System

High Sampling according to International Standard

Start-1000 can be used to record the start rise time and waveform of the light source in real time, and according to the design requirements of the EU directive 1194/2012, Energy Star and the international standard IEC60969, etc., it is specially used for LED lights, lamps and energy-saving lamps. And it can also be used to measure the photometry parameters of stable light sources.

Features

1. It integrates high precision and fast storage of photometric measurement, synchronous triggering of voltage zero crossing and touch screen display, and automatically obtains the start/rise time of light source through data analysis.
2. Precision photometric detector: CIE CLASS A, luminous flux measurement range: 0.1 lm~200 klm (related to the size of the supporting integrating sphere).
3. Trigger terminal voltage output stability: ≤0.2%, trigger terminal voltage total distortion THD: ≤0.5%.

Technical Specifications

Model	START-1000
Illuminance Measurement Range	0.1 lx–100,000 lx, four measurement ranges
Illuminance Measurement Accuracy	Class 1 (±4%)
Sampling Rate	Selectable: 1 kS/s, 10 kS/s, or 100 kS/s
Sampling Duration	Configurable: 0.1–2000 s (1 kS/s), 0.1–200 s (10 kS/s), or 0.1–20 s (100 kS/s)
Instrument Dimensions	665 mm (L) × 470 mm (W) × 198 mm (H)
Instrument Power Consumption	115 W (with a 100 W incandescent lamp operated)
Instrument Weight	20kg

Flicker & Glare Test