{"product_id":"trolmaster-beta-8-digital-co2-ppm-controller-with-ndir-sensor","title":"TrolMaster BETA-8 Digital CO2 PPM Controller with NDIR Sensor","description":"\u003cp\u003eThe TrolMaster BETA-8 is a plug-in CO2 controller for compressed CO2 systems. Its NDIR sensor on a 16 ft cable reads 400–2,000 ppm to ±50 ppm, and the built-in photocell keeps it supplying CO2 only while the lights are on.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCO2 control range: 400–2,000 ppm · accuracy ±50 ppm\u003c\/li\u003e\n\u003cli\u003eNDIR sensor on a 16 ft cable; can be recalibrated\u003c\/li\u003e\n\u003cli\u003eAdjustable deadband: 20–200 ppm\u003c\/li\u003e\n\u003cli\u003eBuilt-in photocell: CO2 only during daylight hours\u003c\/li\u003e\n\u003cli\u003eFuzzy-logic control for compressed CO2; min\/max recall\u003c\/li\u003e\n\u003cli\u003e10 A output relay · 120 VAC input · 1.8 m power cord\u003c\/li\u003e\n\u003cli\u003eDigital display\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e BETA-8 controller, CO2 sensor.\u003c\/p\u003e","brand":"TrolMaster","offers":[{"title":"Default Title","offer_id":58666082763055,"sku":"BETA-8","price":311.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/img-286151fd4cd04760831a9cb3e72b3455.jpg?v=1792168215","url":"https:\/\/mattshydroponics.com\/products\/trolmaster-beta-8-digital-co2-ppm-controller-with-ndir-sensor","provider":"Matt’s Hydroponics","version":"1.0","type":"link"}