Description; Display; Selector Switch; Keypad - Metrix MX 22 Notice De Fonctionnement

2. DESCRIPTION

This compact multimeter is a self-contained unit with an appropriate
mechanical construction, enables hand-held use.
It is designed for a high degree of user safety, maximum protection
and unrivalled performance.
2.1

Display

• Liquid crystal display 3 ¾ digits (height of digits : 12 mm)
• Function indicator : V, A, Ω, Hz
• " BAT" :
battery discharged indicator
• " AUTO " : selects the AUTOranging mode.
• "
" : diode threshold voltage
• " MIN " :
activates the MIN detection mode.
• " MAX " :
activates the MAX detection mode.
• " MEM " : fixes the display on the current value.
• " AC " :
the instrument measures an alternative current or value
• " DC " :
the instrument measures a continuous current or value
• "
" : continuity mode
• " OL. " :
range overload indication
• 40-segment bargraph : analog read-out of the parameters
2.2

Selector switch

A twelve-position rotary selector switch gives access to the following
quantities :
• AC voltage
• DC voltage
• Frequency
• Continuity (with beeper)
• Resistance
• Diode
• Alternative current
• Continuous curent
• OFF : off position
2.3

Keypad

" RANGE " key :
• Selection of the automatic (default) or manual mode: short press
< 1 sec. on the key, brief beep.
• Switch from manual to autoranging mode : long press > 1 sec.,
long beep.
• In manual mode, range selection : press successively < 1 sec. on
the key.
• This key is operative in V
, V
AC
Portable 4000 count digital multimeter
, Ω, Hz ranges.
DC
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