標準電機 -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
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1805 ER

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  FEATURES
● High quality Taut Band movement.
● 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.
● Test leads are supplied as standard accessories for simplified
    two-wire measuring system.
● Battery operated.
● Battery check function.
● Calibration performed with supplied test leads.
  SPECIFICATIONS
Measuring ranges   Earth resistance
    0-10Ω / 0-100Ω / 0-1000Ω
    Earth voltage 0-30 Vac(40-500Hz)
Accuracy : Earth resistance ±3% of full scale
    Earth voltage ±2.5% of full scale
Measuring system : Earth resistance by constant current
    inverter 820 Hz, 2mA approx.
Open circuit    
indication : LED unlit
Dimensions : 170(L) × 165(W) × 92(D)mm
Weight    
(battery included) : Approx. 1000g
Power source : 1.5V(AA) × 8
Safety standard : EN 61010-1 CAT III 150V
    EN 61326-1
 


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