Operation Manual

OmegaGTPlus / BetaGTPlus Technical specifications
80
8 Technical specifications
8.1 Earth bond resistance
Earth bond resistance readout (4 A, 10 A, 25 A)
Range Resolution Accuracy
0.00 Ω ÷ 1.99 Ω 0.01 Ω ±(5 % of reading + 3 digits)
2.00 Ω ÷ 19.99 Ω 0.01 Ω ±10 %
Earth bond resistance readout (200 mA)
Range Resolution Accuracy
0.00 Ω ÷ 1.99 Ω 0.01 Ω ±(5 % of reading + 3 digits)
2.00 Ω ÷ 9.99 Ω 0.01 Ω ±(5 % of reading + 5 digits)
10.0 Ω ÷ 19.9 Ω 0.1 Ω ±(5 % of reading + 5 digits)
Test currents............. 25 A and 10 A into 100 mΩ at mains voltage of 230 V AC
200 mA into 2 Ω at mains voltage of 230 V AC
Open circuit voltage.. < 6 V AC at mains voltage of 230 V AC
Pass levels ............... 0.01 Ω ÷ 0.09 Ω, 0.10 Ω ÷ 0.90 Ω, 1.00 Ω ÷ 9.00 Ω
Test duration............. 5 s, 10 s, 30 s, 60 s, 120 s, 180 s
Output....................... S test probe connector – test socket (PE)
Test method 4-wire measurement, floating to earth
8.2 Insulation resistance
Class I Insulation resistance readout
Range Resolution Accuracy
0.000 MΩ ÷ 0.500 MΩ 0.001 MΩ ±(10 % of reading + 5 digits)
0.501 MΩ ÷ 1.999 MΩ 0.001 MΩ
2.00 MΩ ÷ 19.99 MΩ 0.01 MΩ
20.0 MΩ ÷ 199.9 MΩ 0.1 MΩ
±(5 % of reading + 3 digits)
Nominal voltages ...... 250 V DC, 500 V DC (- 0 %, + 10 %)
Measuring current..... min. 1 mA at 250 kΩ (250 V), 500 kΩ (500 V)
Short circuit current... max. 2.0 mA
Pass levels ............... 0.10 MΩ, 0.30 MΩ, 0.50 MΩ, 1.00 MΩ, 2.00 MΩ, 4.0 MΩ,
7.0 MΩ, 10.0 MΩ, none
Test duration............. 5 s, 10 s, 30 s, 60 s, 120 s, 180 s
Output....................... test socket
Test method.............. floating to earth
Auto discharge after test.