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Testing Performance
To test the offset accuracy (oscilloscope)
Acquire the zero input data
Disconnect the power supply from the channel input.
1
Press the Chan key. Move the cursor to the V/Div field and press the Select key.
2
Press the blue shift key, then press the Run key. After approximately 15 seconds
3
(averaging complete), press the Stop key. Read the voltage from the Markers
voltage field (0.00 V ± 320 mV) and enter the value in the performance test record.
Use the RPG knob to dial in 1 V/Div. Press the blue shift key, then press the Run
4
key. After approximately 15 seconds (averaging complete), press the Stop key.
Read the voltage from the Markers voltage field (0.00 V ± 80 mV) and enter the value
in the performance test record.
Use the RPG knob to dial in 100 mV/Div. Press the blue shift key, then press the Run
5
key. After approximately 15 seconds (averaging complete), press the Stop key.
Read the voltage from the Markers voltage field (0.00 V ± 8 mV) and enter the value
in the performance test record.
Use the RPG knob to dial in 10 mV/Div. Press the blue shift key, then press the Run
6
key. After approximately 15 seconds (averaging complete), press the Stop key.
Read the voltage from the Markers voltage field (0.00 V ± 800 µV) and enter the value
in the performance test record.
3–80
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