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SEW 2720 ER

SEW 2720 ER
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Kode 3 Wire (Digital) Earth Resistance Testers

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FEATURES

? 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 leads are supplied as standard accessories for simplified
    two-wire measuring system.
? Battery operated.
? Data hold function.
? Battery test indication.
? Calibration performed with supplied test leads.

 

 
  SPECIFICATIONS
     
 
 Measuring ranges  Earth resistance 
 0-20Ω / 0-200Ω / 0-2000Ω
 Earth voltage 
 0-200 Vac(40-500Hz)
 Accuracy  Earth resistance  ±(2%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
 Measuring system  Earth Resistance by constant
 current inverter 820Hz approx. 2mA
 Display  3½ digit (2000 counts)
 Open circuit
 indication
 LED will be unlit
 Low battery
 indication
 “  “symbol appears  on the display
 Data hold
 indication
 “  “symbol appears on the display
 Over range
 indication
 “1”(MSD)
 Dimensions  205(L) × 90(W) × 55(D)mm
 Weight
 (battery included)
 Approx. 550g
 Power source  1.5V (AA) × 6    
 Safety standards  EN 61010-1 CAT III 200V
 IEC 61557-1 IEC 61557-5
 EN 61326-1
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