Rel Button; Range Button - Maxwell Digital Multimeters 25221 User Manual

d
escription
1. Sensor
2. LCD display
3. Buttons
4. Backlight button
5. Function selection button
6. Connectors
lCd display
4 digit, 18mm LCD
•
On/OFF button
Turns the device on and off.
•
FunC button
For selecting DC (default) or AC mode, or in
•
another case, selecting between diode or
continuity mode.
This button works only in current and diode/
•
continuity mode.

range button

For selecting automatic (default) or manual
•
mode. Press it for less than 1 seconds, the
change is signaled by a short beep.
Selects the range in manual mode. Press
•
repeatedly to cycle between the available
options.
This button works only in V and Ω modes.
•
HOld button
A short press holds and memorizes the actual
•
measured result on the screen.
A second press returns to normal mode.
•

rel button

For relative measuring mode press the button
•
for a short time until a beep signals that the
mode is enabled. The device will remember
the value that was on the screen when you
pressed the button (this is called a starting
value). After this the values displayed on the
screen will be the differences between the
measured values and the starting value. You
can return to normal mode by pressing the
button again.
This function only works in V, A, Ω and capacity
•
measurement modes.
Backlight button
Pressing the button (<2 sec) turns on the
•
backlight, another press turns it off.
Function selection button
This button selects the measuring modes and
•
ranges.
Connectors
V Ω Hz ºC -||-: The red wire is connected into
•
this connector when measuring voltage,
resistance, temperature, frequency, diode and
continuity.
COm: The black wire is connected here.
•
μama: The red wire is connected here in
•
μAmA measuring mode.
10a: The red wire is connected here in 10A
•
measuring range.
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User Manual