Filter
Top Products
Specifications
THS710A, THS720A, THS730A & THS720P Service Manual
1–9
Table 1–2: DMM specifications (Cont.)
AC Voltage
Conversion Type AC conversions are true RMS. The AC measurement is based on the
AC and DC components of the signal as shown below:
AC Measurement = RMS(AC+DC) – DC
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
640 V 1 V
n
A
ccu
r
ac
y
40 500
Input Waveform Maximum Error
(
40
Hz to
500
Hz)
Sinusoidal waveforms
±(2% of reading + 5 counts)
Nonsinusoidal waveforms with
crest factor up to 3
±(4% of reading + 5 counts)
Common Mode
Rejection, typical
Rejects AC signals by >60 dB at DC, 50 Hz, and 60 Hz
W/Resistance
R
ang
es
an
d
Res
Range Resolution
Res
olution
400.0 W
0.1 W
4.000 kW 1 W
40.00 kW 10 W
400.0 kW 100 W
4.000 MW 1 kW
40.00 MW 10 kW
n
A
ccu
r
ac
y
Range Maximum Error
All ranges except 40 MW ±(0.5% of reading + 2 counts)
40 MW ±(2% of reading + 5 counts) for
≤60% relative humidity
Bia
s
Voltag
e
f
o
r
F
ull
S e Res s e
Range Full Scale Bias Voltage
S
cal
e
Res
i
s
tanc
e
e s reme yp
400.0 W 350 mV
M
e
a
s
u
reme
nt, t
yp
ical
4.000 kW
200 mV
40.00 kW 350 mV
400.0 kW 350 mV
4.000 MW 400 mV
40.00 MW 1.10 V