最大输入精度：26A
基本精度：0.1%
DC测量：0.5Hz～100kHz频率范围
小型设计(标准机架的一半)
测量极低电流：最小量为5mA(仅WT210型)
线路滤波功能
数据更新速度快(每秒最快10个读数)
谐波测量功能
用户校准功能
利用外接传感器输入可测量大电流
基本特性
机型比较WT200/WT130WT210/WT230Voltage input terminalBinding postPlug-in terminal (safety terminal)External input terminalPlug-in terminal (safety terminal)BNCVoltage and current basic accuracy0.25% of rng0.2% of rngPower basic accuracy0.3% of rng (WT200)
0.35% of rng (WT130)0.2% of rngFrequency rangeDC, 10 Hz to 20 kHzDC, 0.5 Hz to 100 kHzAssured accuracy range10% to 130% of range rating1% to 130% of range ratingDisplay updating interval0.25 second (fixed)0.1/0.25/0.5/1/2/5 secondsV, A, W display digits4 digits (WT130)
5 digits (WT200)5 digitsLine filter functionNoYes (fc = 500 Hz)Frequency filter functionYes (fc = 300 Hz)Yes (fc = 500 Hz)Key lockNoYesHarmonic measurement display updating intervalApproximately 3 seconds0.25/0.5/1/2/5 secondsRemote signals when comparator is installedEXT HOLD and EXT TRIG are added. EXT START, EXT STOP, EXT RESET, and INTEG BUSY are not added.All six signals listed to the left are added.
Pin assign is changed.Online data formatASCIIASCII, binaryWaveform data communications outputNoYes (need /HRM)Addressable mode B for GP-IB communicationsYesNoDisplay digits (factory default)4 digits5 digitsOnline output data digits (factory default)4 digits5 digits
通过PC，轻松采样并管理功率测量数据。