Major tech MT330 사용 설명서 - 페이지 5

{카테고리_이름} Major tech MT330에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Major tech MT330 12 페이지. Digital earth resistance tester

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4. FEATURES

Function

Earth resistance range 20Ω, 200Ω, 2000Ω

Display

Multimeter function

Range

Sampling Rate

Zero Adjustment

Over Range Indicator

Low Battery Indication The

Auto Power Off

Operating Temperature 0ºC to 40ºC (32ºF to 104ºF) and Humidity

Storage Temperature

Power source

Dimensions

Weight

Accessories

5. ELECTRICAL SPECIFICATIONS

Accuracies are specified in the way:

± (...% of reading +...digits) at 23°C ± 5°C,below 80% RH.

5.1. EARTH RESISTANCE

Range

20Ω

200Ω

2000Ω

Range

Large LCD with dual display

200kΩ, 750VAC, 1000VDC.

2.5 times per second.

Automatic adjustment.

Number 1 of highest digit is displayed.

is displayed when the battery Voltage

drop below the operating voltage.

To conserve battery life, the meter will

automatically turn off after approx. 15 minutes

of non-use. To turn the meter back on, turn the

rotary switch to OFF, then to the desired

function.

below 80% RH

-10ºC to 60ºC (14ºF to 140ºF) and Humidity

below 70% RH

6x1.5V Size "AA" battery or Equivalent (DC9V)

200(L) x 92(W) x 50(H) mm

Approx 700g include battery

4 sets Test kits, 4pcs iron rods, 6pcs battery,

Carrying case, manual.

Resolution

0.01Ω

0.1Ω

1Ω

Accuracy

±(2%+10d)

±(2%+3d)