4 possible causes of errors – KYORITSU 6305 Instruction Manual User Manual

Page 65

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KEW6305

5.8

5.4.4 Possible causes of errors

Check

Possible cause

Frequency

- Voltage clip is firmly connected to the DUT?

- Measuring too high harmonic components?

Voltage input

- Voltage clip is firmly connected to the DUT?

- Voltage test leads are firmly connected to the Voltage input terminal on

the instrument?

Voltage balance

- Settings are matched with the wiring system under test?

- Voltage clip is firmly connected to the DUT?

- Voltage test leads are firmly connected to the Voltage input terminals on

the instrument?

Voltage phase

- Voltage test leads are properly connected?

(Connected to proper channels?)

Current input

- Clamp sensors are firmly connected to the Power input terminals on the

instrument?

- Setting for Current Range is appropriate for input levels?

Current phase

- Arrow mark on the Clamp sensor and the orientation of flowing current

coincide with each other? (Power supply to Load)

- Clamp sensors are connected properly?

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