Features Applications: The instrument is designed for measuring illuminance, UV index, flicker frequency, color tolerance, color rendering index, correlated color temperature, temperature, humidity, and is suitable for lighting fixtures, outdoor, greenhouse and stage lighting, etc Light Source Analysis: Designed with spectrum sensor, this illuminance meter can simultaneously measure multiple parameters and display spectrum curves, identify the type of lighting fixture, and comprehensively evaluate the characteristics of the lighting source Accurate and Consistent: Using high accuracy spectrum sensor, suitable for human eye spectra, the spectrum response is completely consistent with the V (λ) function, ensuring that the instrument has high measurement accuracy for measuring various colors of light Measurement Range: The illuminance measurement range is 0-1000000Lx, accurately measuring low light and strong light; Measurable correlated color temperature in the range of 1000-100000K, convenient for lamp development and lighting scheme design Flicker Measurement: This illuminance meter has a flicker measurement function, with a flicker frequency measurement range of 10-500HZ. It can evaluate whether the lamp meets the standard requirements based on the flicker frequency and fluctuation depth Spec: Item Type: Spectrum Illuminance Meter Illuminance Wavelength Range: 400nm-700nm Illuminance Wavelength Interval: 10nm Illuminance Measurement Range: 0-1000000Lx Illuminance Resolution: 0.1Lx Illuminance Measurement Accuracy: ≤±(3%H+2Lx) H as standard value(calibrated under CIE standard A light source) Illuminance Optional Unit: Lx (Default), FC Related Color Temperature Measurement Range: 1000-100000K Related Color Temperature Measurement Accuracy: ±5% UV Index Measurement Range: 0.0-15.0 UV Index Measurement Accuracy: ±0.5 Flicker Frequency Measurement Range: 10-500HZ Flicker Frequency Measurement Accuracy: ±5% Temperature Measurement Range: -20℃-80℃ Temperature Measurement Accuracy: ±0.5℃ Humidity Measurement Range: 0%RH-90%RH Humidity Measurement Accuracy: ±4%RH Response Time: Test Light Hole Diameter: Approx. 21mm / 0.83in Display: 240x160 Dot Array LCD Battery: 2 x AA Alkali Dry Battery (not included) Using Environment: Temperature: 0-40℃, Humidity: How to Use: Follow the instructions manual. Package List: 1 x Illuminance Meter 1 x User Manual Package List 1 x Illuminance Meter 1 x User Manual