supply of hydrometer set complete consisting of 1) hydrometer float for reading sp gravity 1100 to 1300 approx float length 165mm-180mm calibrated over a length of 75 to 90 mm 2) glass barrel to suit the above float 3) rubber bulb and h rubber nozzles.hydrometer set complete consisting of 1) hydrometer float for reading sp gravity 1100 to 1300 approx float length 165mm-180mm calibrated over a length of 75 to 90 mm 2) glass barrel to suit the above float 3) rubber bulb and h rubber nozzles.,hydrometer set complete consisting of 1) hydrometer float for reading sp gravity 1100 to 1300 approx float length 165mm-180mm calibrated over a length of 75 to 90 mm 2) glass barrel to suit the above float 3) rubber bulb and h rubber nozzles. [ warranty period: 30 months after the date of delivery ] ]