Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts

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 + errorof 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:0 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)
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 andhumidity 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)
Optional accessories:
8177(Ior Leakage clamp sensor 10A type Ø40mm)
8178(Ior Leakage clamp sensor 10A type Ø68mm)
8329(Power supply adapter)




