SEW 8020 ER 3线数字式接地电阻测试仪

Measuring ranges: 
  Earth resistance: 0-20Ω / 0-200Ω / 0-2000Ω
  Earth voltage: 0-200 Vac (40-500Hz)
Accuracy: 
  Earth resistance:  ±(1.5%rdg+2dgt) or ±0.1Ω, which is greater 
  Earth voltage:  ±(1%rdg+2dgt)
Earth resistance resolution:
  0-20Ω : 0.01Ω   
  0-200Ω : 0.1Ω   
  0-2000Ω : 1Ω
Testing frequency: 820 Hz
Display: 3½ digit (2000 counts)
0Ω adjustment: V
Data hold function
Low battery indication    
Dimensions: 221 x 110 x 57 mm
Weight (battery included): 600g
Power source: 1.5V (AA) x 6
Safety standards: IEC/EN 61010-1 CAT IV 200V, EN 61557-1, EN 61557-5, EN 61326-1

Detail
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