EGAmaster EGATRONIK 51250 사용 설명서 - 페이지 15

{카테고리_이름} EGAmaster EGATRONIK 51250에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. EGAmaster EGATRONIK 51250 20 페이지. Earth ground tester

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3.1 - Operating temperature and Relative humidity(20ºC ± 5ºC&≤75%RH):

Range

Earth Voltage

Earth

200

Resistance

2000

3.2 Application standard:

IEC 61010-1 CATIII 600V Polluting Grading: Grade II

IEC 61557-1,5

IEC 61010-2-31

3.3 Measure methods:

(1) Earth Voltage Testing:average respond

(2) Earth Resistance Testing : testing signal frequency : around 820Hz, current: 20Ω position

around 3.2mA.

3.4 Maximum operating accuracy:

Maximum operating accuracy within measure range: ( ± 30%)

20Ω: 5.00Ω~20.00Ω

200Ω: 20.0Ω~200.0Ω

2000Ω: 200Ω~2000Ω

3.5 Working condition:

Temperature: 5ºC~40ºC

Relative humidity: ≤80%RH (no fog)

Height above Sea Level: ≤2000 meters

3.6 Storage condition:

Temperature: -20ºC~60ºC

Relative humidity: 75%RH (no fog)

3.7 Power source: [1.5V Alkaline Battery (AA)*6]

3.8 Overload protection:

Earth Resistance: 200 Vac (10 seconds)

Earth Voltage: 400 Vac (30 seconds)

3.9 Insulation Resistance:The insulation impedance between measure circuit and housing is not

less than 20MΩ.

3.10 Product size:160mmx70.5mmx100mm.

3. GENERAL SPECIFICATIONS

Measure Range

0V~200V(50/60Hz)

0.00

~20.00

0.0

~200.0

~2000

(2.0%+10) (20 position)

(2.0%+3)(200 or 2000 position)

(Auxiliary earth resistance

500

Best Accuracy

(1.0%+4)

(accuracy

5%); earth

voltage

≤

10Vac)