MI 2792A PowerQ4 Plus Ang Ver 1.0 20 752 082

MI 2792A PowerQ4 Plus

Operating the instrument

3.6 Flickermeter

Flickermeter measures the human perception of the effect of amplitude modulation on the mains voltage powering a light bulb. In Flickermeter menu instrument shows measured flicker parameters. Results can be seen in a tabular (METER) or a graphical

form (TREND) - which is active only while RECORDER is active. See section 3.9 for

instructions how to start recording. In order to understand meanings of particular

parameter see section 5.1.9.

3.6.1 Meter

By entering FLICKERMETER menu from MEASUREMENTS menu the

FLICKERMETER tabular screen is shown (see figure below).

Figure 3.25: Flickermeter table screen

Description of symbols and abbreviations used in METER screen is shown in table bellow.

Table 3.24: Instrument screen symbols and abbreviations

Urms

Pst

Plt

Current recorder status:

RECORDER is active

RECORDER is busy (retrieving data from memory)

RECORDER is not active

Current instrument time

True effective value U

Rms

(1 min) flicker P st1min

Short term (10 min) flicker P st

Long term flicker (2h) P st

Inverted colors represent that measurement is not valid (in case of voltage overrange, voltage dips, low voltage, etc.)

Table 3.25: Keys functions

Waveform snapshoot:

Hold measurement on display

Save held measurement into memory

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