Metrel MD 9030 Digital-Multimeter, DMM, 20991441 Hoja De Datos

Backlighted display 
Press the SELECT button for 1 second or more to turn on or off the display backlight 
function. 
 
Manual or Auto-ranging 
Press the RANGE button momentarily to select manual-ranging mode, and the meter 
will remain in the range it was in, the LCD annunciator 

 turns off. Press the button 

momentarily again to step through the ranges. Press and hold the button for 1 second 
or more to resume auto-ranging mode. 
Note: Manual ranging mode feature is not available in Hz & Cx functions. 
 

The hold feature freezes the display for later view. Press the HOLD

 button 

momentarily to activate or to exit the hold feature. 
 

The max feature compares and displays the measured maximum value as fast as 25ms 

in a single range, and with automatic up range capability. Press the MAX 

 button for 1 

second or more to activate or to exit the max feature in the voltage or current functions. 
 
Sleep Mode 
The meter will enter a low power consumption sleep mode automatically to extend 
battery life after approximately 30 minutes of no rotary-switch or push button operations. 
To wake up the meter from sleep mode, press any buttons momentarily or turn the 
rotary-switch to an adjacent position. Always set the rotary-switch to the OFF position 
manually when the meter is not in use. 

 

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