標準電機 -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
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1813 EL

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  FEATURES
● Microprocessor-controlled.
● 2 Lines × 16 characters LCD.
● Very low consumption.
● Suitable for domestic version.
● Better than 3% accuracy (current).
● Menu-driven.
● Accurate digital readout of disconnection time.
● Accurate digital readout of disconnection sensitivity.
● Automatic data hold function.
● Zero crossing circuitry permit testing at 0° or 180°.
● Disconnection phase polarity shown on LCD display.
● Auto off and off override.
● Polarity trip indicator (positive or negative phase)
● Wiring polarity indicator.
● Measure voltage between Line and Earth before testing.
● 60Hz available.
  SPECIFICATIONS
System voltage    
(50Hz / 60Hz) : 550V
    380V
    240V
Current settings : 2-999mA ac
Current selection : Knob
Phase start selection    
referenced to earth : 0° and 180°
Over-temperature    
protection : Yes
Wiring correction    
indication : Yes
Phase polarity trip indicator : Yes
Operating voltage (L-E) : 110 Vac to 317 Vac
Timer resolution : 1ms (Max. Time=19.999s)
Timer accuracy : 1ms ±1ms
Current accuracy : ±1% ±1mA
Current resolution : 1mA
Voltmeter accuracy (50Hz) : 50-350 Vac : ±2%±1V
    340-450 Vac : ±5%±1V
Voltameter resolution : 1V
Operating    
temperature : -5°C to 40°C
Storage temperature : -10°C to 55°C
Dimensions : 170(L) × 165(W) × 92(D)mm
Weight    
(battery included) : Approx. 1300g
Power source : 1.5(AA) × 8
 


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