YSI PRO20I Instrument, Kits, Sensors, & Accessories

  YSI Pro20i Dissolved Oxygen/Temperature Portable Dissolved Oxygen Meter for the Field Easy to use, rugged and reliable, the YSI Pro20i provides everything you need in a handheld instrument for the measurement of dissolved oxygen (DO). A true field instrument with IP-67 waterproof, rubber over molded case, military spec connectors and 1-meter drop tests ensure durability to provide years of sampling even in the harshest field conditions. With the Pro20i, accuracy is not compromised for ruggedness. The Pro20i can easily be calibrated for fast, accurate measurements you can trust. Please note: YSI has instituted a 3.5% tariff surcharge on their products.  This charge is not incorporated into current online pricing, however a 3.5% surcharge will be added separately to YSI items after checkout.  Integral (i.e. built-in) cable with 1- 4- 10-m field cable User-replaceable DO sensors • One Touch Cal allows for easy DO calibrations within 3 seconds with the press of a button Automatic barom