摘要
本文介绍一种便携式数字心率计,它由单电源供电,结构简单,体积小。心率测量范围为30~199次/分,精度为2%。
A kind of portable heart rate meter with digital display is presented. The meter, driven by a single power source, has simple structure and small volume. Its measuring range is from 30 to 199 bpm (beats per minute) with an accuracy of about two percents.
出处
《中国医疗器械杂志》
CAS
1989年第1期22-24,共3页
Chinese Journal of Medical Instrumentation