Loop Resistance Tables - Megger LCB2000/2 Guide De L'utilisateur

Specifications
Line Earth Loop Resistance Measurement at 15mA
(to EN 61557-2)
Loop L-PE 0.1Ω
Displayed Range: 0,1Ω to 2,00kΩ
Intrinsic accuracy: up to 200Ω ±3% ±0,3Ω
over 200Ω ±5% ±5Ω
Noise Immunity: 1∂ of reading within 0,3Ω on a
normal domestic supply
Nominal Supply: 230V 50Hz
EN61557
Operating Range: 5,0Ω to 2,00kΩ
Loop L-PE xtra
Displayed Range: 0,01Ω to 10,00Ω
Intrinsic accuracy: ±5% ±0,05Ω
Noise Immunity: 1∂ of reading within 0,05Ω on a
normal domestic supply
Nominal Supply: 230V 50Hz
EN61557
Operating Range: 0,5Ω to 10,00Ω
RCD Testing (to EN61557-6 up to 500mA)
Selectable Ranges: 30mA, 100mA, 300mA,
500mA, 1000mA
Variable 10mA to 1000mA
Test Facilities: Contact voltage tests at
Loop resistance tests at
∆n
No Trip tests at
1 ⁄
I
2
∆n, 5 ∆n
Trip tests at
I I
Fast Trip test at 150mA
Ramp tests
RCD Types: General purpose, delayed
(Selective) and d.c. Sensitive
Nominal Supply: 230V, 50Hz
Supply Range: 100-280V, 45-65Hz
Note: The maximum possible test current (including
the 5 I multiplier) is 1000mA/300mA for d.c. sensitive
RCDs. These limits are halved if the supply voltage is
less than 200V.
∆n
1 ⁄ I
2
∆n
1 ⁄ I
2
35