Introducing our cutting-edge Par Meter and Spectrometer, a technological marvel crafted for precision and performance. Engineered with a high-speed CPU processor and a high-precision electronic CCD optical sensor, this device operates on the principle of long focal cross asymmetric CT spectroscopy system, delivering unparalleled accuracy and stability. Enjoy the savings vs others at $500+ for just Par readings! * Extension wands are sold out - but an inexpensive selfie stick works very well too * Key Features: 1. Advanced Optical Technology: Optical resolution of 2nm for precise measurements. Wider wavelength range ensures comprehensive analysis. Stable performance under various conditions. 2. Electronic Shutter Technology: Minimum integration time as low as 50us, allowing measurement of strong and weak optical signals. Adjustable integration time for versatility in signal detection. 3. Sleek and Portable Design: All-aluminum alloy precision carving for a lightweight and portable body. Modern design, completely discarding the bulk of traditional models. 4. Open Operating System: Upgraded system with a more open operating system and source code. Facilitates intelligent product applications and provides space for unlimited instrument upgrades. 5. Intuitive User Interface: 3.5-inch high-definition IPS capacitive touch screen for a vibrant display. High resolution for more content on a single screen, realistic graphics, and a smoother user experience. Thoughtful interface design enhances usability. 6. Quick and Convenient: Quick on/off functionality for swift operations. One-click testing for seamless measurements. Large battery capacity allows for 24 hours of extended testing time. Whether you're a professional researcher, scientist, or enthusiast, our Par Meter and Spectrometer redefine the standards of accuracy, convenience, and portability. Elevate your experiments and measurements with a device designed for the future of scientific exploration. B. Function Description: PPFD PAR: Measures Photosynthetic Photon Flux Density for optimal plant growth. Spectral Distribution Map: Provides a detailed map of the spectral distribution for comprehensive analysis. Related Color Temperature Tc (K): Offers color temperature information for accurate lighting assessment. Illuminance E (lx): Measures the level of illuminance in lux for well-lit environments. Irradiance Ee (W/m): Determines irradiance for a complete understanding of light intensity. Chromaticity Coordinates (x, y): Presents chromaticity coordinates for precise color representation. Relative Spectral Power Distribution P(): Illustrates the relative distribution of spectral power. Color Rendering Index Ra, Ri (i=1-15): Evaluates color rendering accuracy across a spectrum of indices. Color Rendering Index: Measures the device's ability to reproduce colors accurately. Chromaticity Coordinate Map: Displays a map of chromaticity coordinates for comprehensive analysis. Color Tolerance Map SDCM: Illustrates color tolerance using Standard Deviation of Color Matching. Main Wavelength, Peak Wavelength, Half Width: Provides crucial information about the light spectrum. Light to Dark Visual Ratio S/P: Evaluates the visual experience by assessing light-to-dark ratios. Color Purity, Red Ratio, Green Ratio, Blue Ratio: Analyzes color components to ensure accurate representation. Can Export Spectral Data per Nanometer: Allows for detailed spectral data export for in-depth analysis. More Functional Parameters Can Be Customized: Tailor the device to specific requirements with customizable parameters. C. Main Technical Indicators: Model and Name: M400 Spectral Color Illuminometer. Wavelength Range: 380nm~780nm for comprehensive spectral coverage. Split Mode: Long focal cross asymmetric CT split beam system. Sensor: High-precision CCD for accurate light sensing. Spectral Bandwidth (FWHM): 2nm for detailed spectral analysis. Spectral Resolution: 0.2nm for high-resolution data. x, Y Coordinate Value x, y Accuracy: +/-0.0015 accuracy; +/-0.0005 repeatability. Wavelength Accuracy: +/-0.5nm for precise wavelength measurements. Wavelength Data Output Interval: 1nm; EXCEL can export data corresponding to each nanometer. Illumination Accuracy Level: Level 1 (+/-4% reading +/-1 reading) for reliable results. Color Rendering Accuracy: +/-1.5% for accurate color representation. Photosensitive Surface: 10mm for efficient light capture. Screen Type: 3.5-inch high-definition IPS capacitive touch screen for intuitive operation. Chromaticity Standard Accuracy: +/-0.0025, traceable to NIM for reliable color temperature assessments. Color Temperature Range: 1000K~100000K for versatile lighting conditions. Stray Light: 0.3% to minimize interference. Illuminance Measurement Range: 0.1Lux~2000Klux for diverse lighting environments. Measurement Mode: Single test/continuous test for flexibility in testing scenarios.