ET-3000 接地电阻计

产品介绍：

接地电阻计电阻测试仪ET-3000

特色

具有测量接地电阻*地电压功能

测量范围： 接地电阻 0.01 ~ 1999奥姆 ±2% , 大地电压 0 ~ 199.9V ±1%

手动关机及自动关机功能

读值锁定及过载保护功能

遥测端子 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.

接地电阻计电阻测试仪ET-3000

一般规格

显示 (Display)

18 mm (0.7") LCD ( Liquid Crystal Display). Max. indication 1999.

功能 (Function)

Earth Resistance & Earth Voltage measurement.

反应时间 (Response Time)

4 seconds on earth resistance range approximay.

1 seconds on earth voltage range approximay.

输入端子 (Input Terminals)

3 terminal input ( E/P/C Terminals ).

过载输入指示 (Over input Indication)

Indication of " 1 . ".

数据锁定 (Data Hold)

To freeze the display reading value.

安全标准 (Safety Standard)

IEC1010.

过载保护 (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.

绝缘电阻 (Insulation Resistance)

More than 5 Meg ohm between the circuit and the housing case when measured with 500 DCV.

电源管理 (Power Management)

Manual power On/Off or auto power Off within 2 minutes after power On.

操作温度 (Operating Temp.)

0 to 50 ℃ ( 32 to 122 ℉ ).

操作湿度 (Operating Humidity)

Less than 80 % R.H.

电源供应 (Power Supply)

DC 9V, 1.5V AA ( UM-3) batteries x 6 PCs. @ Alkaline or heavy duty battery.

电源损耗 (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.

体积 (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