三相电参数测量仪(基础型) PZ9930
Three-Phase Digital Power Meter(basic type) PZ9930
广泛应用于照明电器、电动工具、家用 电器、电机、电热器具等领域生产企业的生产 线、实验室、质检部门。按实户需求还能订制各种测量功能，来满 足更高的应用。
can be widely used in lighting electrical appliances, electric tools, household appliances, electric motors, electric heating apparatus, such as the production line of production enterprises, laboratories, quality inspection departments. This product can be customized according to the needs of various measurement functions, to meet the higher application.
性能特点：
▲ 数字显示，读数直观，采用高速 AD转换器和32位MCU运算
▲ 适用于单相、三相三线制、三相四线制设备的电参数测量
▲ 四窗口同时显示单相\三相的电压、电流、功率、功率因数/频率、视在功 率;测量稳定，快速测量
▲ 电压、电流量程自动切换，提高测量精度
▲ 测量精度不受波形影响、可靠性高、寿命长
▲ 可外接大电流互感器来扩展测量范围,设定电流倍率,直接读取电流值
▲ 具备RS-232串行通讯接口，便于与电脑进行通讯（选配）
▲ 可任意设定上下限报警参数,声光报警功能，批量检测提高效率
Product features ：
△ Digital display, intuitive reading, using high-speed AD converter and 32 bit MCU.△ Electric parameter measurement for single phase, three phase three wire system and three phase four wire system
△ Four window at the same time shows the single-phase \ three-phase voltage, current, power, power factor and frequency, depending on the power. Measurement stability, rapid measurement
△ Voltage and current range of automatic switching, improve measurement accuracy
△ Measurement accuracy is not affected by the waveform, high reliability, long life
△ The external current transformer can be used to expand the measurement range, set the current rate, read the current value directly
△ RS-232 serial communication interface, easy to communicate with the computer (optional)
△ Can freely set the upper and lower limit alarm parameters, with sound and light alarm function, mass detection to improve efficiency 
