Check the listing for details. Pro1020 YSI Professional Series Instrument. Condition: New. Listed at 912.00 USD. Ebay_Standard DIV FORESTRY SUPPLIERS Product Head--> Pro1020 YSI Professional Series Instrument Description Rugged and reliable, this handheld instrument measures dissolved oxygen, temperature, and your choice of either pH or ORP. Simply select the probes and cable length to meet your needs. All cables provide temperature measurements with no separate temperature probe needed. Dissolved oxygen is measured using either a polarographic or galvanic sensor. Smart calibration allows the instrument to remember previous calibration values, allowing for fast dissolved oxygen calibration in two button pushes. The Pro1020 stores 50 data sets, boasts a quick response time, features a backlit display, and is protected by an impact-resistant IP67 waterproof housing. Order instrument, cables, and probes separately. About Us When Jim Craig began his mail order forestry business in 1949, packages wrapped for Parcel Post shipment to customers were loaded onto a Red Wagon and pulled to a nearby post office. Today, Forestry Suppliers is a direct-mail supplier for natural resource professionals worldwide. Our catalogs feature thousands of quality products for the forestry, environmental science, surveying/engineering, wildlife biology, horticulture, grounds maintenance, and education professionals - and more. Our legendary "Red Wagon" service continues to this day, with product and technical support before and after the sale, a bilingual sales staff, experienced customer service representatives, a knowledgeable bid and contract department, and an in- house repair service. Shipping We ship everything within 1 business day of payment via UPS Ground or USPS Priority Mail. All orders ship from Jackson, Mississippi. Payment For customers shopping in our eBay store, we only accept PayPal. Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.