Based on the flowmeter prototype, different exciting modes were experimented. Experiment results proved the advantage of the low-frequency three-value trapezoidal waveform exciting mode.

• 对低频三值梯形波励磁方式进行了试验比较，通过与低频三值矩形波励磁方式进行对比试验和三值梯形波励磁方式的不同励磁频率、不同斜边与平台阶段励磁时间比例及与累计流量实验结果的比较分析，验证了三值梯形波励磁方式的优越性。