YSI model 85 portable Oxygen Conductivity Salinity Temp meter kit + 25ft probe #485 ITEM DESCRIPTION: The YSI Model 85 oxygen conductivity, salinity and temperature instrument has a large, backlit display shows temperature along with conductivity, temperature-compensated conductivity, or salinity. TESTED; In well water; 5.1uS & 0.0PPT, In salt water (salt added to well water); 1625uS & 0.8 PPT; Temperature 23.4 C; So responds to salt water but we have no way to calibrate, LIGHTS come on, OFF/ON works, takes 6 AA batteries (not included), the snaps on the rear handle have rusted off, not usable. loc #1 left item 485 Item is in good physical condition as pictured. Some minor wear and tear is expected on a used item. Please refer to the pictures for more details. Any other possibly missing parts not listed as included or not pictured will not be included and shall not constitute misrepresentation of this item Please read carefully the following: No returns accepted Paypal only accepted as a form of payment SOLD AS SHOWN Please feel free to ask question(s)! ITEM WT. 3 LBS <> Acquired from government surplus. As you know with most government agencies, when a new grant comes in, they have to justify the grant by buying new equipment leaving very useful equipment for surplus. For cosmetic condition, wear and markings see pictures. We have been selling surplus equipment for many years. We have not used most of our items personally. We have many sources where we acquire inventory. We do our best in our professional subjective manner to classify and describe the item accurately. Due to the diversity and volume of products we deal with we cannot be experts with every item we sell, we try our best. Local inspection is encouraged before purchase. We ship exactly as described and pictured in the auction. If power cables, manuals, software, original packaging, etc. are not shown in pictures or mentioned, they are NOT included. Notice: Do not file a claim with Ebay: "Not as described" when the item has "shipping damage"! If the package you have received has been damaged during shipping and the box is deformed because of any mishandling, moisture etc., you should keep the package, contact us so that we can file a claim with carrier, and request them to inspect the package. Note: A refund will be available as soon as the carrier accepts to cover the damages. Thank you for looking!