KEW 5050

Unpreceded Ior Logger!

Provides simultaneous measurements and logs up to 4 channels
Supports various wiring systems
　(Single-phase 2&3-wire, Three-phase 3&4-wire*) *Except Ior for 3 Phase 4 wire
World’s fastest class speed at 200ms interval for leakage current measurement
Offers both traditional leakage / load current measurements
Large graphic display and magnet on the back case to attach it on metal enclosures

Category: Ior LOGGER

Description
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Ior
Wiring configuration		1P2W, 1P3W, 3P3W, 3P4W
Measurements and parameters		Ior : Leakage current (Trms) with resistive components only Io : Leakage current (Trms) with basic wave of 50/60Hz only Iom : Leakage current (Trms) including harmonic components V : Reference voltage (Trms) with basic wave of 50/60Hz only Vm : Reference voltage (Trms) including harmonic components R : Insulation resistance, Frequency(Hz), Phase angle(θ)
Other functions		Digital output, Print screen, Backlight, Data hold
Recording Interval		200/400ms/1/5/15/30s/1/5/15/30m/1/2hours
	Range	10.000/100.00/1000.0mA/10.000A/AUTO
	Accuracy	For 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 input	1% – 110% (Trms) of each range, and 200% (peak) of the range
	Display range	0.15% – 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
	Measurement method	Sampling speed 40.96ksps (every 24.4μs), gapless, calculate Trms values every 200ms.
Voltage
	Range	1000.0V
	Accuracy	±0.2%rdg±0.2%f.s. * for waveforms of sine wave 40 – 70Hz
	Allowable input	10 – 1000V Trms, and 2000V peak
	Display range	0.9 – 1100.0V Trms (display “0” for less than 0.9V, “OL” if the range is exceeded)
Phase angle(θ)
	Display range	0.0 – ±180.0° (regarding the phase of reference voltage as 0.0°)
	Accuracy	Within ±0.5° for the inputs of 10% or higher of leakage current range, sine wave 40 – 70Hz, reference voltage of 90V Trms or higher. Within ±1.0° when using Ior leakage clamp sensor, and Within ±0.5°+ clamp sensor accuracy when using general purpose clamp sensor.
Frequency meter range		40 – 70Hz
External supply		AC100 – 240V(50/60Hz) 7.5VA max
Power source		LR6(AA)(1.5V) × 6 (Battery life approx. 11h)
Display / update period		160 × 160dots, FSTN monochrome display / 500ms
PC card interface		SD card (2GB) *standard accessory
Communication interface		USB
Temperature and humidity range		23±5°C, relative humidity 85% or less(no condensation)
Operating temperature and humidity range		-10 – 50°C, relative humidity 85% or less(no condensation)
Storage temperature and humidity range		-20 – 60°C, relative humidity 85% or less(no condensation)
Applicable Standards		IEC 61010-1 CAT Ⅳ 300V / CAT Ⅲ 600V Pollution degree 2 IEC 61010-2-030 , IEC 61010-031 , IEC 61326
Dimension		165(L) × 115(W) × 57(D)mm
Weight		Approx. 680g (including batteries)
Accessories		7273 (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(PC software)
Optional Accessories		8177/8178 (Ior Leakage current Clamp Sensor) 8329 (Power supply adapter) 8121/8122/8123/8124/8125/8126/8127/8128 (Load current Clamp Sensor)* 8130/8133 (Flexible Clamp Sensor)* 8146/8147/8148 (Leakage & Load current clamp sensors)*

Shows insulation resistance (R) values determined by the following formula.
V: Reference voltage/ Ior: Leakage current
Displayed value is just for reference since the measurement method differs from insulation resistance testers and may not be consistent with each other.
* Cannot be used for Ior measurement.