Prepare to explore the top 14 USB pocket spectrometers of 2025, offering portable solutions for precise analysis—discover which one fits your needs best. As a leader in Fourier transform infrared spectroscopy instrumentation. The MK350N is a lightweight, portable, and easy-to-use spectral illuminance (LUX) meter or spectral light meter. The MK350S is a stand-alone, handheld multifunction spectrometer. Measure where you want when you want with AURA ® handheld NIR. Offering unparalleled flexibility and.