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(Bullet Points)
200,000-range measurement — Measurement range: 0–200,000 lux / 0–20,000 FC, providing comprehensive coverage from low-light environments to bright outdoor conditions
Industrial-grade accuracy — ±(3% + 5 lux) high-precision measurement; silicon photodiode sensor paired with a spectral response filter ensures accurate and reliable data
Dual Units in One Device — One-touch switching between Lux and FC (foot-candles), compatible with various domestic and international measurement standards
Three-Color Backlit LCD Screen — Large-font digital display + analog bar graph visualization; clear and intuitive readings even in dark environments
Comprehensive Smart Features — Data Hold (HOLD), Max/Min Recording (MAX/MIN), and 10-minute auto-shutdown for energy efficiency and peace of mind
Rugged and Durable — ABS housing is dustproof and drop-resistant, with a comfortable grip, ideal for long-term use in industrial settings
Pocket-Sized Portability — Lightweight design allows for on-the-go measurements, making business trips and inspections hassle-free
Product Details
Precise Measurement, All in One Device — BAOLIAN BL-75 Industrial-Grade Digital Lux Meter
Whether it’s verifying lighting compliance in factory workshops, optimizing the lighting environment in offices, achieving precise lighting setups in photography studios, or monitoring light levels for plant growth—light intensity is a key factor determining quality and efficiency. The BAOLIAN BL-75 Industrial-Grade Digital Lux Meter provides you with a professional, reliable, and convenient solution for light measurement.
200,000 Lux Ultra-Wide Measurement Range: One Device for All Scenarios
The BL-75 features an ultra-wide measurement range of 0–200,000 Lux, effortlessly handling everything from dim warehouse corners to outdoor plazas under the blazing sun, and from low-light measurements in precision laboratories to high-intensity inspections on LED production lines. With four automatic range settings, there’s no need for manual switching—simply pick it up and start measuring.
±3% High Accuracy, Data You Can Trust
Featuring a high-quality silicon photodiode sensor and a spectral response filter with a spectral range of 320–730 nm, it precisely matches the human eye’s visual function. Calibrated under a standard 2,854°K incandescent lamp, it achieves an accuracy of ±(3% + 5 Lux). Whether for engineering acceptance inspections or scientific research, the BL-75 delivers reliable data.
Two Units, One-Button Switching
Supports both Lux and FC (foot-candles) as illuminance units; simply press the UNIT button briefly to switch between them. Use Lux for domestic projects and FC for international standards—no conversion needed, all in one step.
Smart Features for More Efficient Measurements
Data Hold (HOLD): Lightly press the HOLD button to lock the current reading for easy recording and comparison
Max/Min (MAX/MIN): Automatically records peak and minimum values during measurement, allowing you to quickly grasp the range of light fluctuations
Auto Power-Off: Automatically powers off after 10 minutes of inactivity to extend battery life
Three-Color Backlight: Large LCD screen with backlight ensures clear readings even when working in low-light conditions
Rugged and Durable, Withstands Harsh Environments
Features an ABS engineering plastic housing with high impact resistance, dustproof, and drop-resistant construction. With its industrial-grade design, it operates reliably in environments ranging from -10 to 50°C—whether in high-temperature workshops or outdoor construction sites, the BL-75 delivers consistent performance.
Compact and Portable—Your Pocket-Sized Illuminance Expert
Lightweight design fits easily into your pocket, allowing you to measure on the go. Powered by 2 AAA batteries for easy replacement and long-lasting battery life.
Technical Specifications
Parameters: Specifications
Measurement Range: 1,000, 10,000, 200,000 Lux; 100, 1,000, 20,000 FC (foot-candles)
Measurement Accuracy: ±(3% + 5 Lux) (calibrated with 2854°K incandescent light); ±(6% + 5 Lux) for other visible light sources
Resolution Lux: 0.1 Lux for values < 1000, 1 Lux for values > 1000; FC: <100 = 0.01 FC, <1,000 = 0.1 FC, ≥1,000 = 1 FC
Sensor: Silicon photodiode + spectrally responsive filter
Spectral range: 320–730 nm
Sampling rate: Approximately 0.5 seconds
Cosine Angle Deviation: 30° ± 2%; 60° ± 6%; 80° ± 25%
Operating Environment: -10 to 50°C, maximum 80% relative humidity, indoor altitude <2000m
Storage Environment: -10 to 50°C, maximum 70% relative humidity (batteries removed)
Auto Shutdown: Automatically shuts down after 10 minutes of inactivity
Power Supply: 2 × 1.5V AAA batteries (not included)
Housing Material: ABS engineering plastic, dustproof and shock-resistant
Functions: Data Hold (HOLD), Maximum/Minimum (MAX/MIN), Backlight, Unit Switch (Lux/FC)
Applications
The BL-75 industrial-grade lux meter is widely applicable in the following scenarios:
Factory Workshops — Compliance testing of production line lighting to ensure workers’ visual health and operational efficiency
Offices and Public Spaces — Testing indoor illuminance against health standards to create a comfortable lighting environment
Photography and Film Lighting — Precise measurement of ambient and supplemental light intensity to ensure consistent exposure
LED Lighting and Fixture Manufacturing —— Light source R&D, quality control, and shipping inspections
Plant Growth and Agriculture —— Illuminance measurement for plant grow lights to optimize photosynthesis conditions
Schools and Laboratories —— Educational experiments, scientific research testing, and lighting control
Warehouses and Logistics Centers —— Safety lighting inspections to ensure work area brightness meets standards
Outdoor and Municipal Projects —— Streetlight construction and outdoor lighting acceptance testing
FAQ (Frequently Asked Questions)
Q1: What is the maximum measurement range of the BL-75?
A: The maximum range is 200,000 lux and 20,000 FC (foot-candles).
Q2: What is the accuracy?
A: Calibrated under a standard 2,854°K incandescent lamp, the accuracy is ±(3% + 5 Lux); under other visible light sources, it is ±(6% + 5 Lux).
Q3: How do I switch between Lux and FC units?
A: Press the UNIT button briefly to toggle between Lux and FC units.
Q4: How do I use the data hold function?
A: Press the HOLD button lightly; when the screen displays the “HOLD” symbol, the current reading is locked. Press the HOLD button again to clear the “HOLD” symbol and return to normal operation.
Q5: How long do the batteries last?
A: Powered by two AAA batteries and featuring a 10-minute auto-shutdown function, the device offers long battery life under normal use.
Q6: Is it suitable for outdoor use?
A: Yes. The BL-75 operates within a temperature range of -10 to 50°C, and its ABS housing is dustproof and shock-resistant, making it suitable for outdoor field measurements.
