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8. SPECIFICATIONS
All specifications are warranted unless noted typical and apply to the DMM 107N
and DMM 109N.
Stated accuracies are at 23°C
±
5°C at less than 80% relative humidity and
without the battery indicator displayed.
8.1 General specifications
Characteristics
Description
LCD display digits
4 1/2 or 3 3/4
Bargraph segments
42 Segment Graph
Display count
20,000 or 4,000
Numeric update rate
2 times / sec (20,000 count),
4 times / sec (4000 count)
Bargraph
20 times/sec
Polarity display
Automatic
Overrange display
OL is displayed
Low voltage indicator
is indicated
Temperature Coefficient
0.1 x (Spec.Accuracy) per °C,< 18°C
or > 28°C .
Automatic power-off time
Automatic backslit off =15minutes
Power source
One 9V dry cell battery
Maximum input voltage
1000V (750V AC) CAT
Ⅱ
between
V and COM
Maximum floating voltage
1000V (750V AC) CAT
Ⅱ
between
any terminal and earth ground
Maximum open circuit
Voltage (current inputs)
600V between A and COM and
between mA and COM
Overload protection mA connector
1A (600V) fast blow fuse
A connector
15A (600V) fast blow fuse
V connector
1100 Vp V
V
AC+DC
850 Vp mV
mV
AC+DC
LV
Ω
Ω
Hz% DF °C
°
F
Battery Life
100 hours typical (alkaline)
Maximum input current
200mA between mA and COM 10A
continuous between A and COM
(20A for 30 seconds)
