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上海汇通智能化仪器公司最近研制成DDJ47-8型第四代电脑电力监控仪,于1987年10月通过鉴定。该设备设计合理,软、硬件采用模块化设计技术,运用微处理机、超大规模集成电路和CMOS技术,具有功能强、操作方便、可靠性高和较强的抗干扰能力。机器的键盘设置灵活,有多种打印方式,能跟踪电度表读数,具有8档输出进行功率因数控制。有电压检测和
Shanghai Huitong intelligent instrument company recently developed DDJ47-8 fourth-generation computer power monitor, in October 1987 passed the appraisal. The device is designed reasonably. The hardware and software of the device adopt the modular design technology, and use microprocessors, VLSI and CMOS technology. It has the functions of strong function, convenient operation, high reliability and strong anti-interference ability. The machine’s keyboard settings flexible, a variety of printing methods, the meter can track the readings, with 8 output power factor control. With voltage detection and