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● 适用于PV、电力设备的维护保养的DT4254-20可在太阳能面板的开路电压检查大测到DC1700V。● DC V基本精度±0.3%,AC V的频率特性40Hz~1kHz

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操作环境曙度>28℃或<18℃时,每增减1℃须增加0.1倍的误差(温度系数)。

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测量范围0~1000PPM 基本误差±5% or ±10PPM

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•解析度 0.1dB •動態範圍 60dB •測量範圍 26 到 130 dB •A和C頻率加權 •快速、慢速時間加權 •大、小音量含發生過去時間 •手動音量記錄及讀取

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可测量风速、风量、温度,支持大气压的设定,可设置风速报警值

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工作200 V ac 至 1000 V ac、CAT IV 1000 V 等级

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150M数字存储示波器,TFT LCD显示,2CH,小体积屏蔽,USB Host& Device,1GSa/s,2M记忆体长度

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80MHz,1M点长度任意波,DWR(直接波形重组功能)

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高温微型母头带书写窗连接器,J型

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高温微型母头带书写窗连接器,R / S型

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