Spectral Illuminance Meter / Lux Meter

The MSMT441SWISS Spectral Illuminance Meter is a versatile and high-precision instrument designed to measure various lighting parameters including illuminance, UV index, flicker frequency, color temperature, CRI (Color Rendering Index), and more. It is ideal for applications in lighting design, environmental assessments, and testing of lamps and fixtures in various industries, such as outdoor, stage, greenhouse, and more.

Technical Specifications

• Instant ResponseFast refresh time of less than 0.7 seconds for real-time analysis.
• Illuminance Wavelength Range400nm to 700nm
• Illuminance Measurement Range0 to 1,000,000 Lx
• Illuminance Resolution0.1 Lx
• Correlated Color Temperature Range1000K to 100,000K (±5% accuracy)
• UV Index Measurement Range0.0 to 15.0 (±0.5 accuracy)
• Flicker Frequency Measurement Range10Hz to 500Hz (±5% accuracy)
• Temperature Measurement Range-20℃ to 80℃ (±0.5℃ accuracy)
• Humidity Measurement Range0%RH to 90%RH (±4%RH accuracy)
• Response Time<0.7s
• Test Aperture Diameterφ21mm
• Display240*160 Dot Matrix LCD
• Power Supply2 AA Alkaline Batteries
• Operating EnvironmentTemperature: 0℃ to 40℃, Humidity: <85%RH
• Size188.5mm (L) x 75.2mm (W) x 30.3mm (H)
• Weight232g (including batteries)
• Spectral Curve DisplayHelps identify the light source’s spectral gaps and blue light protection capabilities, providing more detailed insights into the lighting characteristics.
• High Precision and Authoritative Metrology ApprovalEnsures high precision in measurements, with all illuminance and color temperature measurements passing authoritative inspections.
• Convenient and Energy-EfficientPowered by 2 AA alkaline batteries, with auto-off functionality to save battery life.
• Illuminance Accuracy≤±(3%H + 2Lx) (H is the standard value, calibrated under CIE standard A light source)

Key Features

• ✓Multi-Parameter Measurement: Simultaneously measures illuminance, correlated color temperature (CCT), flicker frequency, UV index, CRI, SDCM (Standard Deviation of Color Matching), temperature, and humidity. Displays the spectral curve for detailed analysis.
• ✓Human Eye Spectrum Compatibility: The spectral sensor is specifically designed to match the V(λ) function for more accurate and reliable measurements.
• ✓Wide Measurement Range: Capable of measuring illuminance from 0 to 1,000,000 lux, making it suitable for both high and low light environments.
• ✓Flicker Measurement: Evaluates flicker frequency and percentage, helping determine whether the lighting complies with industry standards and regulations.
• ✓Precise Color Temperature and CRI Measurement: Measures Correlated Color Temperature (CCT) from 1000K to 100,000K with an accuracy of ±5%, and also measures CRI and SDCM to assess the color quality of light sources.
• ✓Blue Light Hazard Evaluation: Displays the blue light hazard ratio, allowing users to assess the potential risk associated with exposure to blue light.

Applications

Standard Accessories Included

• Spectral Illuminance Meter – 1 pcs
• AA Batteries – 2 pcs
• User Manual – 1 pcs

Additional Information

Measures temperature (-20℃ to 80℃) and humidity (0%RH to 90%RH), essential for evaluating lighting conditions in plant growth or specific environmental conditions.

This high-precision and versatile instrument is designed for professionals and researchers who require comprehensive and reliable measurements of light parameters in various environmental conditions.