Electronic Balance measurement in three steps

Electronic Balances can generally work normally under the temperature conditions of - 10 ℃ ~ + 40 ℃ (except for specified special working temperature).

When weighing, the electronic balance should be fully warmed up first. Balance is the basic working principle of electronic balance. If it is out of balance, the balance should be corrected by electromagnetic force to make it return to balance. This electromagnetic force is generated in the permanent magnet by the current proportional to the mass of the object flowing through the coil. The current I flowing through the coil, the length L of the coil and the magnetic flux Φ of the magnet are all proportional to the electromagnetic force F. In the balance in the preheating link, the magnetic flux Φ of the magnet will decrease as the internal temperature continues to rise, and the flow The current I in the coil will also gradually decrease, making the electromagnetic force F decrease, the balance cannot maintain balance, and the indication value will drift positively in one direction. As long as the warm-up time is sufficient, the magnetic steel can meet the thermal balance, and the balance can be regarded as a real balance after completing this change process. After returning to zero/tare, the display returns to zero. At this time, the balance can be used, especially for some balances with high accuracy. If conditions permit, the power can be turned on for a long time to keep the balance in a preheating state.