Ior Logger
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)
• World’s fastest 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
| Wiring configuration | 1P2W, 1P3W, 3P3W, 3P4W | |
|---|---|---|
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Measurements and parameters |
Ior : 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) |
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| Other functions | Digital output, Print screen, Back light, Data hold | |
| Recording Interval | 200/400ms/1/5/15/30s/1/5/15/30m/1/2hours | |
| Ior | ||
| 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 |
0.9V - 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. |
|
| Frequency meter range | 40 - 70Hz | |
| External supply | AC100 - 240V(50/60Hz) 7VA 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 | |
|
PC communication interface |
USB Ver2.0 | |
|
Temperature and humidity range |
23±5°C, less than 85%RH(without condensation) | |
|
Operating temperature and humidity range |
-10 - 50°C less than 85%RH(without condensation) | |
|
Storage temperature and humidity range |
-20 - 60°C less than 85%RH(without condensation) | |
| Applicable Standards |
IEC61010-1 CATⅣ 300V , CATⅢ 600V Pollution degree 2 IEC61010-2-030 , IEC61010-031 , IEC61326 |
|
| Dimension/Weight | 165(L) × 115(W) × 57(D)mm/approx. 680g (including batteries) | |
| Included 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(software) |
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| Optional accessories |
8177(Ior Leakage clamp sensor 10A type Ø40mm) 8178(Ior Leakage clamp sensor 10A type Ø68mm) 8329(Power supply adapter) |
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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.
