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4235 ER

列印
  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:
0-20Ω: ±(2%rdg+0.1Ω)
0-200Ω,0-2kΩ: ±(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. 1500g 
 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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