臺(tái)灣標(biāo)準(zhǔn)電機(jī)SEW儀器儀表--2712 EL ELCB Testers Up To 500mA


    
 
2712 EL   ELCB Testers
Up To 500mA  
2712 EL
FEATURES
 
 2 Lines x 16 characters L.C.D.
 Very low consumption.
 Microprocessor controlled.
 50Hz and 60Hz operation.
 Menu Driven.
 Accurate digital readout of disconnection time.
 Automatic data hold function.
 Over temperature protection.
 Over voltage protection.
 Fuse protection.
 Zero crossing circuitry permit testing at 0 degree or 180 degree.
 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.
 Frequency measurement indication.
  CAT III 300V.
 The 2712 EL is a compact hand held residual current detector, earth leakage circuit breaker or ground fault circuit interrupter tester (designation could be different from country to country), designed to meet international standards of performance and safety.
 This model is used by professioals to obtain accurate values of the protection disconnection time while a selectable fault current is injected to earth (ground).
SPECIFICATIONS
 
Current Settings 3mA, 5mA, 10mA, 15mA, 20mA, 30mA, 50mA, 100mA, 150mA, 250mA, 300mA, 500mA
Current Selection Rotary switch selector
Phase Angle Setting 0 degree and 180 degree selectable
Operating Voltage (L-E) 50Hz or 60Hz Verson A : 240Vac, Version B : 230Vac, Version C : 220Vac, Version D : 110Vac
Voltmeter (L-E) 20Vac - 280Vac (50Hz or 60Hz)
Over-Temperature Protection Yes (3 sensors)
Wiring Correctness Indication Yes (LCDs)
Trip Indicator Yes (LCD)
Phase Polarity Trip Indicator Yes (LCD) Referenced to Earth
Timer Resolution 1mS (max time = 19.99s)
Timer Accuracy +/- 2mS
Current Accuracy +/- 5% +/-1mA
Voltmeter Resolution 1Vac
Voltmeter Accuracy +/- 2% +/- 1Vac
Operating Temperature -5 degree C to 45 degree C
Storage Temperature -10 degree C to 85 degrcc C
Power Source 1.5V SUM-3 (AA) x 6 or equivalent
Dimensions 205(L) x 90(W) x 55(D) mm
Weight Approx. 530g (battery included)
Accessories Test leads, heavy-duty case (TOC-2751), instruction manual, batteries
特 點(diǎn)
● 微處理器系統(tǒng)控制設(shè)計(jì)。
● 寬廣型LCD液晶顯示。
● 電源消耗微小。
● 適用於50Hz或60Hz。
● 會(huì)顯示操作程序。
● 具有有自動(dòng)鎖定量測(cè)值功能。
● 有過(guò)熱保護(hù)、過(guò)載保護(hù)、保險(xiǎn)絲保護(hù)。
● 可作相位選擇,並顯示於LCD上。
● 自動(dòng)關(guān)機(jī)。
● 被測(cè)線(xiàn)的極性亮燈顯示。
● 量測(cè)頻率會(huì)顯示。
● 符合 CAT Ⅲ 300V
EN 61326-1
規(guī) 格 (23°C±5°C <80%R.H.)
操作電壓(L-E)型式
(50Hz 或60Hz)
Version A : 240 Vac
Version B : 230 Vac
Version C : 220 Vac
Version D : 110 Vac
電流設(shè)定檔位 3mA, 5mA, 10mA, 15mA, 20mA, 30mA, 50mA,
100mA, 150mA, 250mA, 300mA, 500mA.
電流檔選擇 運(yùn)用旋鈕選擇
相位設(shè)定 有 0°與180°兩種供選擇
正確接線(xiàn)指示 有(LEDs)
跳脫顯示 顯示在LCD上
過(guò)溫保護(hù) 有(有三個(gè)感應(yīng)點(diǎn))
電壓指示(L-E) 20Vac ~ 280Vac
(50Hz or 60Hz)
Z小解析度 1mS(測(cè)試Z長(zhǎng)時(shí)間19.99S)
時(shí)間準(zhǔn)確度 ±2ms
電流準(zhǔn)確度 ±5% ±1mA
電壓準(zhǔn)確度 ±2%±1Vac
操作溫度 -5°C to 45°C
儲(chǔ)藏溫度 -10°C to 55°C
外形尺寸 205(長(zhǎng))×90(寬)×55(高)mm
重量 約530克(含電池)
使用電池 1.5V(AA)×6(顆)