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Model OX5042 Handscope Instructions for General Electrical Measurements First-Time Setup 1. Turn the instrument ON. 2. Press Scope Mode 3. Press Channel A . The main menu appears as follows at the bottom of the screen (default settings): 4. Press Channel B 5.
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AC Voltage Measurement 1. Attach the BNC adapter (shown on right) to the Channel A input. 2. Attach the 10’ black and red leads to the adapter. 3. Select the alligator or pencil tip probes and attach them to the leads as needed.
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AC Current Measurement 1. Select the current probe based on the current to be measured: • MN251T (if in your kit) for measuring from 1 – 200A • MN379T (if in your kit) for measuring from 0.05 – 120A • MiniFlex sensor for measuring 10 – 3000A. 2.
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AC Current Harmonics 1. Set up the instrument for current measurement, as instructed by steps 1 through 6 of the “AC Current Measurement” section above. 2. Press Harmonics Mode . The THD (Total Harmonics Distortion) percentage appears in the upper right corner on the Channel B display (see the example below): 3.
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Millivolt Drop 1. Set up the instrument for voltage measurement, as instructed by steps 1 through 6 of the “AC Voltage Measurement” section on page 2 above. 2. Press Channel A 3. Move the test leads to each measurement point, and record each millivolt drop: ___________ ___________ ___________...
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