標準電機Standard Electric Works Co., Ltd. -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
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2705 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.
● The 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 will be unlit
 Dimensions  205(L) × 90(W) × 55(D)mm
 Weight
 (battery included)
 Approx. 514g
 Power source  1.5V (AA) × 6 
 Safety standards  EN 61010-1 CAT III 30V
 EN 61326-1
 
   
   
   
   
   
 
 
   
 


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