三相電參數測量儀(基礎型) PZ9930
Three-Phase Digital Power Meter(basic type) PZ9930
廣泛應用于照明電器、電動工具、家用 電器、電機、電熱器具等領域生產企業的生產 線、實驗室、質檢部門。按實戶需求還能訂制各種測量功能，來滿 足更高的應用。
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.
性能特點：
▲ 數字顯示，讀數直觀，采用高速 AD轉換器和32位MCU運算
▲ 適用于單相、三相三線制、三相四線制設備的電參數測量
▲ 四窗口同時顯示單相\三相的電壓、電流、功率、功率因數/頻率、視在功 率;測量穩定，快速測量
▲ 電壓、電流量程自動切換，提高測量精度
▲ 測量精度不受波形影響、可靠性高、壽命長
▲ 可外接大電流互感器來擴展測量范圍,設定電流倍率,直接讀取電流值
▲ 具備RS-232串行通訊接口，便于與電腦進行通訊（選配）
▲ 可任意設定上下限報警參數,聲光報警功能，批量檢測提高效率
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 
