General Description; Preparation For Use; Power Supply; Battery Installation And Replacement - Metrix MX 350 Notice De Fonctionnement

Chapter II
3.

GENERAL DESCRIPTION

3.1. Preparation for use

3.1.1. Power supply

Battery: AAA or LR03 1.5 V x 2
Charge life: 100 hours (with alkaline batteries).

3.1.2. Battery installation and replacement

1. is displayed when the voltage supplied by
the batteries is lower than the operating voltage.
2. Before changing the batteries, set the switch to
"OFF", disconnect the measuring leads and remove
the clamp from the circuit measured.
3. Loosen the screws and open the flap of the
battery compartment using a screwdriver.
4. Replace the flat batteries with 2 new 1.5 V LR03
batteries.
5. Put the battery flap back in place and tighten the
fixing screws.

3.2. Zero mode / "Delta" function

(MX 355) Press the "zero" button to select the "zero"
mode. The " " symbol is displayed. The last value
measured becomes the reference value which will be
subtracted from any subsequent measurements.
Press the button again: the " " symbol flashes and
the display indicates the reference value subtracted
from the measurements.
To quit the "zero" mode, press the zero button for 2
seconds.
In "zero" mode, the auto-range function is deactivated.
This function can also be used to perform RCD
measurements (in A, V or Ω) by recording a
"calibration value" subtracted from the measurements.

3.3. Memorization, automatic range

It is possible to freeze the value displayed by pressing
on the "HOLD" button. To deactivate this function,
press the "HOLD" button a second time.
MX 350 / MX 355 23