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SEW 4235 ER

SEW 4235 ER
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Kode 4 Wire Earth Resistance & Resistivity Testers

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FEATURES
? Microprocessor-controlled.
? Earth resistivity (ρ) test.
? Earth testing at 20Ω, 200Ω, 2kΩ.
? Earth voltage measuring : 0-300V AC.
? Automatic C spike check.
? Automatic P spike check.
? 2-Wire test, 3-Wire test, 4-Wire test.
? LCM display.
? Auto ranging.
? Auto power OFF.
? Data hold.
? 200 measurement results can be saved in the memory
   and recalled on the display.
? Interval between auxiliary earth spikes is 1.0~50.0m.
 
  SPECIFICATIONS
     
 
 Measuring ranges  Earth Resistance
 0-20
? / 0-200? / 0-2k?
 Earth Voltage
 0-300.0V AC
 Earth Resistivity (ρ=2 × π × L × R)
 0.06~6.28kΩ.m
 0.62~62.8kΩ.m
 6.28~628kΩ.m 
 Accuracy  Earth Resistance  ±2%rdg ± 3dgt
 Earth Voltage  ±2%rdg ± 3dgt
 Earth resistance
 resolution
 0-20? : 0.01?
 0-200
? : 0.1?
 0-2k
? : 1?
Measuring system  Earth resistance by constant current
 Inverter 820Hz approx. 2mA
 Temperature
 & humidity
 Operating: 0°C~40°C 80% R.H.
 Storage: -10°C~50°C
80% R.H.
 Dimensions  250(L) x 190(W) x 110(D)mm
 Weight
 (battery included)
 Approx. 1430g 
 Power source  1.5V (AA) × 8 
 Safety standards  EN 61010-1 CAT IV 300V
 IEC 61557-1  IEC 61557-5
 EN 61326-1
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