標準電機 -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
waiting......
STANDARD ELECTRIC WORKS CO.,LTD.
MEASURE WITH PRECISION
English
|
繁體中文
X
會員帳號 :
會員密碼 :
忘記密碼
加入會員
Home
>
Product
>
ELCB Testers
>
Digital ELCB Testers
4112 EL
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
Copyright © 2010 STANDARD ELECTRIC WORKS CO.,LTD. All Rights Reserved