EVERFINE PHOTO-2000AH Light Meter (0.1 lx ~ 20 klx)
The EVERFINE PHOTO-2000AH illuminance meter is a top-tier precision optical solution designed according to strict international standards for photometric measurement. The device features a measuring range from 0.1 lx to 20 klx, combined with a high-quality optical sensor probe system, helping to quickly, stably, and extremely accurately test various light sources.
Key Features
- High-precision optical system: Equipped with a specialized silicon photodiode sensor combined with spectral and cosine correction filters, ensuring extremely low total error and meeting the strict requirements of standard measurements.
- Powerful parameter testing performance:
- Provides a flexible measuring range from 0.1 lx to 20,000 lx with high resolution, superior repeatability, and linearity.
- Fast sampling speed and good anti-interference capability, helping to accurately record even small fluctuations in light.
- Smart operation and connection system:
- Intuitive display interface: Equipped with a sharp screen combined with a friendly control panel, intuitively displaying measured values and device status parameters.
- Data memory and flexible connectivity: Integrates result storage features, supporting modern communication ports to transfer data and connect to PC software for professional report generation.
- Specialized device structure: Optimized design for laboratory and inspection environments, combining a flexible detached probe so users can easily operate from various angles without being affected by the operator’s shadow.
- Energy-optimized operation mechanism: Uses a stable power supply or high-capacity rechargeable battery, ensuring continuous and durable operation during extended measurement shifts.
Technical Specifications:
Functions: Illuminance (lux), illuminance difference, illuminance ratio (%), integrated illuminance (lux·h), average illuminance (lux)
Sensor: Silicon optical device
V(lambda) matching error: f1′ <= 5% (Class 1) or f1′ <= 3.5% (Standard class)
Illuminance range: 0.1 lx ~ 20 klx (4 automatic shifting ranges)
Accuracy: +/-4% (according to JJG245-2005)
Storage function: Stores reading results, easy to read
Configuration: Main unit, probe, battery, carrying case
Practical Applications
Thanks to its laboratory-grade precision, EVERFINE PHOTO-2000AH is widely applied across multiple fields:
- Laboratories & Metrology Institutes: Serving lighting equipment calibration work, optical research, and inspecting strict illuminance standards.
- Lighting Industry: Testing luminous efficiency, evaluating light source quality of LEDs, fluorescent lamps, and commercial lighting devices.
- Architecture & Space Inspection: Surveying and evaluating lighting standards at workplaces, hospitals, schools, or areas requiring strict light control.













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