MA-041 – DGA 900 Plus - Installation & Commissioning Manual - Rev 1.1 4-Mar-22 Page 68 of 99
Figure 9-51: R2 resistance measurement
Record the measurement as [R2] in Table 9-7: Results. It should be less than 2000 Ω and
within 5 % of the input channel impedance.
To verify the measurement, use the Factory Login, Press BMT > Calibration – HF / LF
multipliers and Input Impedance. An example of input impedance is shown in Figure
9-52.
Figure 9-52: Calibration - Input Impedance
9.8.2.4.4 Total Resistance Test
Reconnect all the coaxial cables.
Retest the resistance across the two screws of the connector for each Bushing Adaptor
as shown in Figure 9-53.
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