EGAmaster EGATRONIK 51250 Manual de instrucciones - Página 15
Navegue en línea o descargue pdf Manual de instrucciones para Equipos de prueba EGAmaster EGATRONIK 51250. EGAmaster EGATRONIK 51250 20 páginas. Earth ground tester
3.1 - Operating temperature and Relative humidity(20ºC ± 5ºC&≤75%RH):
Range
Earth Voltage
20
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
Ω
Ω
Ω
0.0
Ω
~200.0
0
~2000
Ω
Ω
±
(2.0%+10) (20 position)
Ω
±
(2.0%+3)(200 or 2000 position)
Ω
(Auxiliary earth resistance
500
Ω
Ω
Best Accuracy
±
(1.0%+4)
±
(accuracy
5%); earth
voltage
≤
10Vac)
13