• 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 | |
|---|---|---|
| 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) |
|
| 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. 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) 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 | 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 | 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.
*Included accessories for below models are same with above-mentioned.
