{"product_id":"mammoth-lighting-m400-par-meter-spectrometer-with-wand","title":"Mammoth Lighting M400 PAR Meter \u0026 Spectrometer with Wand","description":"\u003cp\u003eThe Mammoth Lighting M400 is a handheld spectrometer that reads PPFD along with the full 380–780 nm spectrum, so you can check how much light reaches the canopy and what kind of light it is. Results show on a 3.5-inch touchscreen, and it comes with a wand.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMeasures PPFD (PAR), spectral power distribution, peak wavelength and half-width, red\/green\/blue ratios, CCT, lux, irradiance (W\/m²), chromaticity (x, y) and CRI (Ra, R1–R15)\u003c\/li\u003e\n\u003cli\u003eWavelength range: 380–780 nm · 2 nm spectral bandwidth · 0.2 nm resolution · ±0.5 nm wavelength accuracy\u003c\/li\u003e\n\u003cli\u003eIlluminance range: 0.1 lux to 2,000 klux · CCT range: 1,000–100,000 K\u003c\/li\u003e\n\u003cli\u003eChromaticity accuracy ±0.0015 · CRI accuracy ±1.5%\u003c\/li\u003e\n\u003cli\u003eSensor: CCD with adjustable integration time (50 µs minimum)\u003c\/li\u003e\n\u003cli\u003eDisplay: 3.5\" HD IPS capacitive touchscreen\u003c\/li\u003e\n\u003cli\u003eBattery: up to 24 hours of continuous testing\u003c\/li\u003e\n\u003cli\u003eAll-aluminum alloy body, about 2 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mammoth Lighting","offers":[{"title":"Default Title","offer_id":58666240442671,"sku":"m400","price":440.68,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/68489DD5-B458-4F75-BFFD-8D45CC61C689_b59ef2c2-d4b3-4895-9780-50b71e6b6a6c.jpg?v=1792173423","url":"https:\/\/mattshydroponics.com\/products\/mammoth-lighting-m400-par-meter-spectrometer-with-wand","provider":"Matt’s Hydroponics","version":"1.0","type":"link"}