標準電機 -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
waiting......
X
 
會員帳號 :
會員密碼 :
忘記密碼  加入會員
1620 ER

列印
  FEATURES
● Microprocesser-controlled.
● Measures earth resistance in three ranges : 40Ω, 400Ω, 4kΩ.
● Capable of measuring earth voltage.
● ¾ digit (4000 counts).
● LCD backlight display.
● 2mA measuring current permits the testing of earth resistance
   without tripping earth leakage current breakers in the circuit.
● Data hold function.
● Relative function.
● Auto power-off function.
● Low battery indication.
● Calibration performed with supplied test leads.
  SPECIFICATIONS
Measuring ranges   Earth resistance
    0~40Ω / 0~400Ω / 0~4kΩ
    Earth Voltage
    0~400V (40~500Hz)
Accuracy : Earth Resistance ±(2%rdg+3dgt)
    Earth Voltage ±(2%rdg+3dgt)
Earth resistance    
resolution : 0~40Ω : 0.01Ω
    0~400Ω : 0.1Ω
    0~4kΩ : 1Ω
Measurement    
system : Earth resistance by constant current
    inverter 820 Hz, 2mA approx.
Dimensions : 163(L) x 102(W) x 50(D)mm
Weight    
(battery included) : Approx. 440g
Power source : 1.5V (AA) x 6
Safety standards : EN 61010-1 CAT IV 400V
    EN 61326-1
    EN 61557-1
    EN 61557-5
 


gotop