Marca: KYORITSU
KYORITSU KEW 5050 Ior LOGGER AC100-240V
Descripción
KYORITSU KEW 5050 Ior LOGGER AC100-240V
Professional electrical measuring instrument from KYORITSU Japan. The specifications below are based on the manufacturer's 2026 general catalog.
Operating / rated voltage: AC100-240V
Key Features
- 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
Specifications
| 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 |
| 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) |
| Measurement method | Sampling 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 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) |
| 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)* |
Catalog reference: KYORITSU General Catalog 2026, page 68,69
Condition: New
Specifications and included accessories may be updated by the manufacturer. Please confirm compatibility and the required measurement category before use.



