Raytech mini-ATOS Instruction Manual page 61

The test current in mA
The measured angle between the applied voltage and the transformed voltage
The rated turns or voltage ratio
The rated voltage of each tap position
Print the selected tap position results by using the thermal printer
Open the detailed results in table view or graphs (chapter 10.1.3)
Start test button to perform the measurement
Test mode to select which phase to test (A, B, C, ABC, Run Test Taps)
The measurement view during the test is shown in Figure 41 and then the important parts are
explained.
The warning symbol shows that it is not safe to touch the cables and test clamps
The highlighted cell shows which phase and tap are currently under the test
The output voltage bar shows what is the actual value of output voltage and which terminals
are used to apply the voltage
By tapping the continuous button, the test mode changes from single-measurement to
continuous mode and the test will not stop automatically. The instrument keeps performing the
test on the phase under the test until the user action
The stop button can be used to stop the test. Please note that it takes time to stop the test
90297-0.24 Instruction Manual mini-ATOS
Figure 41: Turns Ratio measurement view during the test
Preliminary
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