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SEW ST-1520

SEW ST-1520
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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.
? Auto power off function.
? The timer operates automatically for about three to five minutes
   when the "PUSH BUTTON SWITCH" and "TIMER ON BUTTON"
   are pressed together. This will keep test "ON" for the duration of the
   timer.
? Timer for test function (count 3-5 minutes).
? Battery operated.
? Data hold function.
? Small and light weight.
? 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
 “ B “symbol appears on the display
 Data hold
 indication
 “ DH “symbol appears on the display
 Over range
 indication
 “1”(MSD)
 Dimensions  163(L) × 100(W) × 50(D)mm
 Weight
 (battery included)
 Approx. 480g 
 Power source  1.5V (AA) × 6
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