Product Description

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

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

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)

Optional accessories

8177(Ior Leakage clamp sensor 10A type Ø40mm) 8178(Ior Leakage clamp sensor 10A type Ø68mm) 8329(Power supply adapter)

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.