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Specifications
1–8
THS710A, THS720A, THS730A & THS720P Service Manual
Table 1–2: DMM specifications
General
Resolution 3
3
⁄
4
digit, 4000 count full scale reading except as noted
Input Resistance, AC
or DC Voltage
10 MW ±10%
Input Capacitance,
AC or DC Voltage,
typical
≤100 pF
Maxi
m
u
m
Voltag
e
eeeD d
Overvoltage Category Maximum Voltage
B
e
tw
ee
n
D
MM an
d
COM Inputs
CAT I Environment (refer to
page 1–13)
640 V
RMS
(880 V
DC
)
CAT II Environment (refer to
page 1–13)
600 V
RMS
CAT III Environment (refer to
page 1–13)
300 V
RMS
Maxi
m
u
m
Voltag
e
eeeD r
Overvoltage Category Maximum Voltage
B
e
tw
ee
n
D
MM o
r
COM Input and Earth
Gr d
CAT I Environment (refer to
page 1–13)
640 V
RMS
(880 V
DC
)
Gr
oun
d
CAT II Environment (refer to
page 1–13)
600 V
RMS
CAT III Environment (refer to
page 1–13)
300 V
RMS
DC Voltage
R
ang
es
an
d
Res
Range Resolution
Res
olution
400.0 mV
0.1 mV
4.000 V 1 mV
40.00 V 10 mV
400.0 V 100 mV
880 V 1 V
n Accuracy ±(0.5% of reading + 5 counts)
Normal Mode
Rejection, typical
Rejects AC signals by >60 dB at 50 Hz or 60 Hz (user selectable)
Common Mode
Rejection, typical
Rejects AC signals by >100 dB at 50 Hz or 60 Hz (user selectable)