標準電機 -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
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4112 EL

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  FEATURES
● Microprocessor-controlled.
● 2 Lines × 16 Characters LCD.
● Very low consumption.
● Menu-driven.
● Accurate digital readout of disconnection time.
● Automatic data hold function.
● Zero Crossing Circuitry permit testing at 0° or 180°.
● Disconnection Phase Polarity Shown on LCD.
● Auto off and off override.
● Polarity Trip indicator (Positive or Negative Phase).
● Wiring polarity indicator.
● Measure voltage between line and earth before testing.
● Indicates frequency of voltage L-E.
  SPECIFICATIONS
Current settings : 3mA, 5mA, 7mA, 10mA, 15mA,
    20mA, 30mA, 35mA, 50mA,
    100mA, 125mA, 150mA, 175mA,
    250mA, 300mA, 375mA, 500mA.
Current selection : Rotary switch
Phase start selection    
0° and 180° : Referenced to Earth
    Yes
Over-temperature    
protection : Yes
Wiring correctness    
indication   Yes
Trip indicator : Yes
Phase polarity trip indicator : Yes
Operating voltage (L-E) : Referenced to Earth
    240Vac-50Hz or 60Hz Voltage
    Model (Vac)
Timer resolution : 1ms (Max. Time=19.99s)
Timer accuracy : 1ms (Max. Time=19.99s)
Current accuracy : ±5% ±1mA
Operating temperature : -5°C to 45°C
Storage temperature : -10°C to 55°C
Dimensions : 250(L) × 190(W) × 110(D)mm
Weight    
(battery included) : Approx. 1500g
Power source : 1.5(AA) × 8
Safety standard : EN 61010-1 CAT III 300V
    EN 61326-1
 


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