产品介绍
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M249A Metrahit Energy With 3 Safety Measurement Cables And 4 Mm Test
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Digital hand-held multimeter with TRMS measurement
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Power measurement (W, VAR, VA, PF): active, reactive and apparent power, power factor
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Energy measurement (Wh, VARh, VAh) active, reactive and apparent energy, mean power value with adjustable observation period, and maximum value
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Power Quality Analysis: recording of over and under voltage, sags/dips, swells, voltage peaks, and transients in 50 and 60Hz systems
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Harmonic analysis: RMS values and distortion components up to the 15th harmonic at 16.7, 50, 60, and 400Hz
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Special measuring functions: crest factor CF, conductivity nS, low resistance RSL, duty cycle %, cable length
M249A Metrahit Energy 带 3 条安全测量电缆和 4 毫米测试
带 TRMS 测量的数字手持万用表
功率测量（W、VAR、VA、PF）：有功、无功和视在功率、功率因数
电能测量（Wh、VARh、VAh）有功电能、无功电能和视在电能，可调节观测周期的平均功率值和最大值
电能质量分析：记录 50 和 60Hz 系统中的过压和欠压、骤降/骤降、骤升、电压峰值和瞬变
谐波分析：16.7、50、60、400Hz处高达15次谐波的RMS值和失真分量
特殊测量功能：波峰因数 CF、电导率 nS、低电阻 RSL、占空比%、电缆长度
