標準電機 -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
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4234 ER

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  FEATURES
● Microprocesser-controlled.
● Earth testing at 2Ω, 20Ω, 200Ω, 2000Ω.
● 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.
● Robust, compact and easy-to-carry.
  SPECIFICATIONS
Measuring ranges : Earth Resistance
    0-2Ω / 0-20Ω / 0-200Ω / 0-2000Ω
    Earth Voltage
    0-300V AC
Accuracy : Earth Resistance ±2%rdg ± 3dgt
    Earth Voltage ±2%rdg ± 3dgt
Earth resistance    
resolution : 0-2Ω : 0.01Ω
    0-20Ω : 0.1Ω
    0-200Ω : 1Ω
    0-2000Ω : 10Ω
     
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) x 8
Safety standards : EN 61010-1 CAT IV 300V
    EN 61557-1 EN 61557-5
    EN 61326-1
     
 


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