接地電阻計電阻測試儀ET-3000
特點：
具有測量接地電阻*地電壓功能
測量范圍： 接地電阻 0.01 ~ 1999奧姆 ±2% , 大地電壓 0 ~ 199.9V ±1%
手動關機及自動關機功能
讀值鎖定及過載保護功能
遙測端子 Size：160 X 120 X 65mm
ET-3000 接地電阻計
產品介紹：
接地電阻計電阻測試儀ET-3000
特色
具有測量接地電阻*地電壓功能
測量范圍： 接地電阻 0.01 ~ 1999奧姆 ±2% , 大地電壓 0 ~ 199.9V ±1%
手動關機及自動關機功能
讀值鎖定及過載保護功能
遙測端子 Size：160 X 120 X 65mm
FEATURES
Earth Resistance and Earth Voltage measurement.
3 ranges for earth resistance measurement 19.99 ohm, 199.9 ohm, 1.999 K ohm.
0 to 199.9 V for earth voltage measurement.
18 mm, large size LCD display.
Data hold.
Built-in over input indication.
Durable & portable housing plastic case with the front protective cover.
Complete testing accessories included.
接地電阻計電阻測試儀ET-3000
一般規格
顯示 (Display)
18 mm (0.7") LCD ( Liquid Crystal Display). Max. indication 1999.
功能 (Function)
Earth Resistance & Earth Voltage measurement.
反應時間 (Response Time)
4 seconds on earth resistance range approximay.
1 seconds on earth voltage range approximay.
輸入端子 (Input Terminals)
3 terminal input ( E/P/C Terminals ).
過載輸入指示 (Over input Indication)
Indication of " 1 . ".
數據鎖定 (Data Hold)
To freeze the display reading value.
安全標準 (Safety Standard)
IEC1010.
過載保護 (Overload Protection)
* 200V AC for 10 seconds across 2 of the 3 terminals for Earth Resistance measurement.
* 300V AC for 1 minute on Earth Voltage range.
絕緣電阻 (Insulation Resistance)
More than 5 Meg ohm between the circuit and the housing case when measured with 500 DCV.
電源管理 (Power Management)
Manual power On/Off or auto power Off within 2 minutes after power On.
操作溫度 (Operating Temp.)
0 to 50 ℃ ( 32 to 122 ℉ ).
操作濕度 (Operating Humidity)
Less than 80 % R.H.
電源供應 (Power Supply)
DC 9V, 1.5V AA ( UM-3) batteries x 6 PCs. @ Alkaline or heavy duty battery.
電源損耗 (Power Consumption)
Earth Resistance
* Approx. 74 mA for stand-by condition
* Approx. 84 mA for ON condition
@ at 1,900 ohm on 2,000 ohm range
Earth Voltage
Approx. 82 mA for stand-by condition.
體積 (Dimension)
160 x 120 x 65 mm ( 6.3 x 4.7 x 3.3 inch )
重量 (Weight)
Approx. 560 g (1.2 LB).
附件 (Standard Accessories)
Plug with alligators clips ( Red, Green, Black )
* Red wire with red plug AL-3KR................................. 1 PC
* Green wire with Green plug AL-3KG................................. 1 PC
* Black wire with black plug AL-3KB................................. 1 PC
Auxiliary Earth Spikes SP-3K.......................................2 PCs
Carrying case ( CA-3K )................. 1 PC
