Measurement Mode; Hold Digital Display; Smooth Measurements; Peak Value Measurements - Chauvin Arnoux C.A 43 FILEDMETER Mode D'emploi

Whatever the measurement mode, the sampling time is always 250µs. The table below
summarizes the measurement times of the various modes described in this chapter.

Measurement mode

Normal measurement
Recording
(of MIN, MAX and AVG)
Smooth measurement
Recording in smoothed values
Peak measurement
Recording in peak values
The time required for updating analogue measurements shown by the bargraph is always 20ms.
HOLD THE DIGITAL DISPLAY
One press on
HOLD
played whilst the analogue display continues to indicate the instantaneous value of the
measurement. The display indicates
to instantaneous measurement mode and

SMOOTH MEASUREMENTS

A first press on
SMOOTH
The digital value shown is then the result of a sliding average calculated over the last 10
measurements (i.e. approx 4 seconds).
The bargraph still shows the instantaneous measurement. A second press on
cancels the filter and the SMOOTH symbol disappears.
The smoothed measurement value is constantly calculated. This allows you to obtain the
result of the filtering as soon as the button is pressed.
MEASUREMENT OF "PEAK" VALUES
The PEAK function allows you to make measurements with an acquisition speed of 1ms for
peak measurements.
MEASUREMENT MODE
allows you to hold the digital display on the last measurement dis-
HOLD
triggers smoothing of the measurement (SMOOTH displayed).
Symbol
RECORD
SMOOTH
RECORD SMOOTH
PEAK
RECORD PEAK
. Pressing
HOLD
HOLD disappears from the display.
56
Digital measurement
time
400 ms
400 ms
4 s
4 s
100 ms
1 ms
again resets the instrument
SMOOTH