Top Spectral Illuminance Meter of 2026: How to Choose?
Spectral Illuminance Meter, instruments used to measure the intensity of light, are widely applied in lighting fixtures, outdoor illumination, lamp manufacturing, and plant light intensity testing. With so many manufacturers and models available in the market, each with its own set of features and accuracy, how should you choose an efficient and cost-effective Spectral Illuminance Meter in 2026?
Today, Linshang will help you select the right spectral illuminance meter from various angles to make your light intensity measurements easier.
Recommended Spectral Illuminance Meter Brands and Products (2026 Edition)
International Brands
Konica Minolta (Japan): Spectral Illuminance Meter Model CL-70F (Price: Approx. ¥17,000 - ¥18,000)
Core Advantages:
Measures illuminance, color temperature, color rendering index (Ra-R15), color coordinates, spectral graph, and more. Does not measure PPFD.
Integrated design with a light sensor that can rotate 180 degrees for flexible measurements.
Features a 4.3-inch large touchscreen display.
Unique cumulative sensor that allows spectral measurement of flashlights.
Illuminance measurement range: 1 - 200,000 lux, accuracy: ±5%+1 digit (standard light source A).
About the Manufacturer: Founded in 1873, Konica Minolta is a diversified multinational corporation with strong technological foundations and market influence in several high-tech fields. The brand has significant positions in Europe, North America, and Asia, in addition to its home market of Japan.
LI-COR (Switzerland): Spectral Illuminance Meter Model LI-180 (Price: Approx. ¥4,000 - ¥17,000)
Core Advantages:
Specially designed for plant light intensity measurement. Measures photon flux density (PPFD), irradiance (W/m²), chlorophyll A/B content, as well as other parameters like illuminance, color temperature, color coordinates, and CRI.
Integrated design with optional extension cable for flexible measurements.
Features a 3.5-inch touchscreen LCD.
Illuminance measurement range: 70 - 150,000 lux, accuracy: ±5%.
Data can be saved to a large-capacity SD card and transmitted via email through smartphones or tablets.
About the Manufacturer: LI-COR, headquartered in the USA and founded in 1971, specializes in precision instruments for environmental science, life science, and optical measurement. Originally focused on climate change and environmental monitoring, LI-COR has expanded to various industries, gaining a strong reputation in the field of spectral instruments and lux meters.
Domestic Brands Recommended
Linshang (China): Spectral Illuminance Meter Model LS335 (Price: Approx. ¥1,000+)
Core Advantages:
Measures illuminance, spectral graphs, UV index, color temperature, flicker frequency, fluctuation depth, CRI, color tolerance, blue light hazard ratio, PPFD, YPFD, chlorophyll A/B content, temperature, humidity, etc.
Split design for convenient data viewing during measurements.
Features a 3.5-inch color touchscreen.
Illuminance measurement range: 0 - 1,000,000 lux, accuracy: ≤ ±(3% H + 2 Lux).
Compatible with computer software for large-scale data storage, sharing, and analysis.
About the Manufacturer: Linshang has been deeply involved in the instrumentation industry for 18 years, consistently focusing on the design, research, production, and sales of various measuring instruments. The company's products are known for their high precision, ease of use, and compact size, and are highly regarded both domestically and internationally.
Other domestic brands, such as Yuanfang and Hongpu, are also worth exploring.
How to Choose a Spectral Illuminance Meter?
1. Consider Measurement Accuracy and Repeatability
When selecting a spectral illuminance meter, measurement accuracy and repeatability are two key indicators that should not be overlooked. If the measurement accuracy is low, it can lead to errors and affect the reliability and precision of the test results. High precision ensures data reliability, while repeatability guarantees consistent and stable measurements. Opt for meters that are certified by national metrology institutes.
2. Consider the Measurement Range
Different environments may have different lighting intensity requirements. High-brightness environments require meters with a wide measurement range, while low-light environments may benefit from instruments with high resolution and a smaller range. Ensure the meter's measurement range meets your specific needs to avoid switching devices later, which could reduce testing accuracy.
3. Consider Readout and Operation
The backlighting and clear data display on the instrument screen are crucial for quickly reading test results. This is especially important when testing in complex lighting conditions. Avoid meters that require manual range switching to improve testing efficiency.
4. Consider the Design
spectral illuminance meter typically come in integrated or split designs. Compared to the integrated version, the split design offers more flexibility for various measurement scenarios, allowing the operator to check data while measuring in hard-to-reach locations. Additionally, the material of the instrument’s casing and its anti-slip design can affect both usability and the product's durability.
Choosing a spectral illuminance meter involves considering factors like accuracy, stability, durability, functionality, and price. The above brands have all excelled in the lux meter field, with each offering unique technologies and advantages. Consumers should base their decisions on their specific needs and budget, choosing the most suitable spectral illuminance meter for their applications.