KYORITSU KEW-4200 EARTH CLAMP TESTER (ความต้านทานดิน)

20.00/200.0/1500Ω
±1.5%±0.05Ω(0.00 to 20.99Ω)*1
±2%±0.5Ω(16.0 to 99.9Ω)
±3%±2Ω(100.0 to 209.9Ω)
±5%±5Ω(160 to 399Ω)
±10%±10Ω(400 to 599Ω)
Values are displayed, but accuracy isn't guaranted(600 to 1580Ω)

100.0/1000mA/10.00/30.0A
±2%±0.7mA(0.0 to 104.9mA)
±2%(80mA to 31.5A)

Earth resistance function :
   Constant voltage injection
   Current detection (Frequency : Approx.2400Hz)
   Dual Integration
AC current function : Successive approximation

"OL"is displayed when input exceeds the upper limit of a measuring range

Approx. 7 seconds (Earth resistance)
Approx. 2 seconds (AC current)

Approx. 1 times per second

Approx. 50mA (max.100mA)

Approx.12 hours (when R6 is used)
Approx.24 hours (when LR6 is used)

Turns power off about 10 minutes after the last button operation.

Approx. Ø32mm

IEC 61010-1 CAT Ⅳ 300V Pollution degree2
IEC 61010-2-032, IEC 61326 (EMC)

LR6/R6 (AA)(1.5V) x 4

246(L)×120(W)×54(D)mm

Approx. 780g (including batteries)

8304 (Resister for operation check)
9166 (Carrying case[Hard])
R6 x 4, Instruction manual