Open pan evaporimeter (as per is: 5975-1970) for measurement of the amount of water loss each day th. The pan manufacturer from pure copper (or gi) duly tinned & epoxy painted & tested for leak professes. The stilling well & thermometer clamps are part of standard delivery. This Open pan evaporimeter is supported on wooden platform & covered with reinforced checker mesh. Measuring bucket is made from copper (or GI) sheet.