Abstract :In this paper we measure the pressure of water in the flat container. The length of the flat container is 0.3 m, width is 0.25 m and height is 0.03 m. The volume of the flat container is 2.25×10-3 m3. We use deionized water. We measure the water in the measurement cup. The diameter of the cup is 69 mm and height is 67 mm. The volume of cup is 2.5×10-4 m3. Here, we use digital mass balance. The mass of the empty cup is 32.4 g. The mass of water in the cup is 287.7 g. The mass of water is 255.35 g. The density of water in the cup matches the literature. We take 9 cups of water and transfer them to the flat container. The mass of water in the flat container is 2.29815 kg. The density of water in the flat container matches the literature. The pressure transmitter is integrated with battery, multimeters, electronic ON/OFF switch and electrical wirings. The multimeters are used to measure the voltage of battery and pressure transmitter, respectively.
