{"product_id":"in-situ-aqua-troll-800","title":"In-Situ Aqua TROLL 800","description":"\u003cp\u003eThe Aqua TROLL 800 is a fully customizable seven-port multiparameter sonde with capacity for six interchangeable sensors and an antifouling wiper. It adds internal battery power, onboard data logging, and a micro SD backup card to the seven-port platform, ideal for long-term unattended deployment in fresh water or saltwater.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStandard configuration includes the sonde plus:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTemperature\/Conductivity sensor\u003c\/li\u003e\n\u003cli\u003epH\/ORP sensor\u003c\/li\u003e\n\u003cli\u003eRDO (Dissolved Oxygen) sensor\u003c\/li\u003e\n\u003cli\u003eTurbidity sensor\u003c\/li\u003e\n\u003cli\u003eAntifouling wiper\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTwo sensor ports remain open for expansion (e.g. chlorophyll a, BGA-PC\/PE, FDOM, crude oil, rhodamine WT, fluorescein WT, ammonium\/nitrate\/chloride ISE). Choose your pressure range\/vent option and cable length above. Need a different sensor mix, extra cable, or replacement parts? Visit \u003ca href=\"https:\/\/envirotechonline.com\/collections\/in-situ-parts-accessories\"\u003eIn-Situ Parts \u0026amp; Accessories\u003c\/a\u003e.\u003c\/p\u003e\u003ch1 style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/water_quality\/in-situ_aquaTROLL_Series.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eSpec Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/h1\u003e","brand":"In-Situ","offers":[{"title":"No Pressure Sensor \/ No Cable (Spot-Check Only)","offer_id":48166438502590,"sku":"0045810","price":12450.0,"currency_code":"USD","in_stock":true},{"title":"No Pressure Sensor \/ 25 ft","offer_id":48166438535358,"sku":"0045810+1034580","price":12725.0,"currency_code":"USD","in_stock":true},{"title":"No Pressure Sensor \/ 50 ft","offer_id":48166438568126,"sku":"0045810+1034590","price":12820.0,"currency_code":"USD","in_stock":true},{"title":"No Pressure Sensor \/ 75 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