lor Logger KEW 5050

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Wiring Configuration1P2W, 1P3W, 3P3W, 3P4W
Measurements and parametersIor : Leakage current (Trms) with resistive components only
Io : Leakage current (Trms) with basic wave of 40 - 70Hz
Iom : Leakage current (Trms) including harmonic components
V : Reference voltage (Trms) with basic wave of 40 - 70Hz
Vm : Reference voltage (Trms) including harmonic components
R : Insulation resistance, Frequency(Hz), Phase angle(θ)
Other functionsDigital output, Print screen, Back light, Data hold
Recording Interval200/400ms/1/5/15/30s/1/5/15/30m/1/2hours
AccuracyFor reference voltages of sine wave 40 - 70Hz and 90V Trms or higher, ±0.2%rdg±0.2%f.s. + clamp sensor amplitude accuracy + error of phase accuracy* (phase error) * add ±2.0%rdg to measured Io value when using Ior leakage clamp sensor. (θ: within the accuracy of reference voltage/ current phase difference ±1.0°)
Allowable input1% - 110% (Trms) of each range, and 200% (peak) of the range
Display range0.15% - 130% (display “0” for less than 0.15%, “OL” if the range
is exceeded)
Io *Range, Allowable input and Display Range are the same as Ior .
Accuracy±0.2%rdg±0.2%f.s.+ clamp sensor amplitude accuracy
Iom *Range, Allowable input and Display Range are the same as Ior .
Accuracy±0.2%rdg±0.2%f.s.+ clamp sensor amplitude accuracy
Measurements MethodSampling speed 40.96ksps (every 24.4μs), gapless, calculate Trms values every 200ms
Accuracy±0.2%rdg±0.2%f.s. * for waveforms of sine wave 40 - 70Hz
Allowable input10 - 1000V Trms, and 2000V peak
Display range0.9V - 1100.0V Trms (display “0” for less than 0.9V, “OL” if the range is exceeded)
Phase angle(θ)
Display range0.0° - ±180.0° (regarding the phase of reference voltage as 0.0°)
AccuracyWithin ±0.5° for the inputs of 10% or higher of leakage current range, sine wave 40 - 70Hz, reference voltage of 90V Trms or higher.
Frequency meter rangerange 40 - 70Hz
External supplyAC100 - 240V(50/60Hz) 7VA max
Power sourceLR6(AA)(1.5V) × 6 (Battery life approx. 11h)
Display / update period160 × 160dots, FSTN monochrome display / 500ms
PC card interfaceSD card (2GB) *standard accessory
PC communication- interfaceUSB Ver2.0
Temperature and hu- midity range23±5°C, less than 85%RH(without condensation)
Operating temperature and humidity rangemin 10 until 50°C less than 85%RH(without condensation)
Storage temperature and humidity rangemin 20 until 60°C less than 85%RH(without condensation)
Applicable StandardsIEC61010-1 CATIV, 300V CATIII 600V Pollution degree 2 IEC61010-2-030, IEC61010-031, IEC61326
Dimension/Weight165(L) × 115(W) × 57(D)mm/approx. 680g (including batteries)
Included accessories7273(Voltage test lead) 8262(AC adapter) 7278(Earth cable) 7219(USB cable) 8326-02(SD card 2GB) 9125(Carrying case) Instruction manual, Cable marker, Software installation manual LR6(AA) × 6 KEW Windows for KEW 5050(software)
Optional accessories8177(Ior Leakage clamp sensor 10A type Ø40mm) 8178(Ior Leakage clamp sensor 10A type Ø68mm) 8329(Power supply adapter)
Optional sensors (It cannot be used for Ior measurement)8146, 8147, 8148 (Leakage & Load clamp sensor)
8129, 8130, 8133 (Flexible sensor)
8121, 8122, 8123 (Load clamp sensor)
8124, 8125, 8126, 8127, 8128 (Load clamp sensor)

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