MT-3109 AC/DC Digital Clamp Multimeter
No. Symbol
Meaning
1 AC
Indicator for AC voltage or current
2 DC
Indicator for DC voltage
3
The battery is low.
Warning: To avoid false readings, which
could lead to possible electric shock or
personal injury, replace the battery as
soon as the battery indicator appears.
4
The Meter is in the auto range mode in
which the Meter automatically selects the
range with the best resolution.
5
Test of diode
6
The continuity buzzer is on
7 %
Indicator for Duty.
8
Data hold is active
9
Indicator for REL mode
10
Ω
,K
Ω
,
M
Ω
Ω
: Ohm. The unit of resistance.
k
Ω
: Kilohm. 1x10
3
or 1000 ohms
M
Ω
: Megohm. 1x10
6
or 1,000,000 ohms
11 Hz
The unit of Frequency
12 A
Amperes (amps). The unit of current.
13
mV, V
Volts. The unit of voltage.
mV: Millivolt. 1xl0
-3
or 0.001 volts
14
Indicates negative reading
15 TRMS
Indicator for TRMS mode
16 F,nF,uF,
Farad. The unit of capacitance.
17 OL
The input value is too large for the selected
range
7
