SEW 2705 ER Earth Resistance Tester
SEW 2705 ER Earth Resistance Tester
SEW 2705 ER 3 Wire Analogue Earth Resistance Tester
 FEATURES
● High quality Taut Band movement.
● Capable of measuring earth resistance and earth voltage.
● 2mA measuring current permits the testing of earth
   resistance without tripping earth leakage current
   breakers in the circuit under test.
● The test leads are supplied as standard accessories
    for simplified two-wire measuring system.
● Battery operated.
● Battery check function. 
● Calibration performed with supplied test leads.
  SPECIFICATIONS
  
 
 Measuring ranges  Earth resistance  
 0-10Ω / 0-100Ω / 0-1000Ω
 Earth voltage  
 0-30 Vac (40-500Hz)
 Accuracy  Earth resistance  ±3% of full scale
 Earth voltage  ±2.5% of full scale
 Measuring system  Earth resistance by constant 
 current inverter 820 Hz, 2mA approx
 Open circuit 
 indication  LED will be unlit
 Dimensions  205(L) × 90(W) × 55(D)mm
 Weight
 (battery included)  Approx. 514g
 Power source  1.5V (AA) × 6 
 Safety standards  EN 61010-1 CAT III 30V
 EN 61326-1
 







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