User Manual

Specifications
SpecificationsSpecifications
Product Features Functions/Displays Applications Software Comparisons Explanations Specifications
15
D
is
p
la
y
Items
Calculation Functions
M
easurement
F
unct
i
on
S
ingle-phase
3
-w
i
r
e
3-phase
3
-w
i
r
e
3-
ph
ase 3-w
i
re
(
3-vo
l
ta
g
e 3-curren
t
measurement)
3
-phas
e
4-w
i
r
e
Voltage U
∑
[V] (U1+U2)
/2
(U1+U2+U3)
/
3
Cu
rr
e
nt I
∑
[A]
(I1+I2)
/2
(I1+I2+I3)
/3
A
ct
i
ve power
P
∑
[W]
P
1+
P2
P
1+
P
2+
P3
A
pparent Power
S
∑
[VA]
TYPE1
TYPE2
S
1-
S2
3/2 (S1+S2)
3/3 (S1+S2+S3)
S
1+
S
2+
S3
TYPE3
P
∑
2
+
Q
∑
2
Reactive Power
Q
∑
[
var
]
TYPE1
Q
1+
Q
2
Q
1+
Q
2+
Q3
TYPE2
S
∑
2
−
P
∑
2
T
YPE
3
Q
1+
Q
2
Q
1+
Q
2+
Q3
Co
rr
ec
t
ed
P
o
w
e
r P
c
∑
[W] P
c
1+P
c2
P
c
1+P
c
2+P
c3
I
nte
g
rate
d
P
ower
WP
[Wh]
WP
1+
WP2
WP
1+
WP
2+
WP3
Inte
g
rated Power
(
Positive
)
WP+
∑
[Wh]
When WPTYPE is set to CHARGE/DISCHARG
E
WP+1+WP+
2
WP+1+WP+2+WP+
3
When WPTYPE is set to SOLD/BOUGHT
Whenever data is updated, only the positive value of active power WP
∑
is
added
I
nte
g
rate
d
P
ower
(N
e
g
at
i
ve
)
WP
-
∑
[Wh
]
When WPTYPE is set to CHARGE/DISCHARG
E
WP
-
1+WP
-
2
WP-1+WP-2+WP-
3
Wh
e
n WPTYPE i
s
se
t t
o
SO
LD
/
B
OUG
HT
Whenever data is updated, only the ne
g
ative value of active power WP
∑
i
s
a
dde
d
Integrated
C
urrent q
∑
[Ah]
q
1+
q2
q
1+
q
2+
q3
Inte
g
rated Current
(
Positive
)
q+[Ah
]
q+
1
+q+
2
q+
1
+q+
2
+q+
3
Integrated
C
urrent (Negative)
q
-
∑
[Ah]
q
-
1
+
q
-
2
q
-
1
+
q
-
2
+
q
-
3
Integrated reactive Power
W
Q
∑
[
var
h]
Q
∑
(n) indicates the
∑
f
unction o
f
the nth reactive power, N indicates the
number o
f
data u
p
dates, and the unit o
f
Time is h
I
nte
g
rate
d
apparent
P
ower
W
S
∑
[VAh]
S
∑
(
n
)
i
n
di
cates t
h
e
∑
function of the nth apparent power, N indicates the
number o
f
data updates, and the unit o
f
Time is h
Po
w
e
r
Fac
t
o
r
∑
P
∑
/S
∑
Phase an
g
le
Ø
∑
[
°
]
COS
-1
(P
∑
/S
∑
)
Note 1) The instrument’s apparent power (
S
), reactive power (
Q
), power factor
(
λ
), and phase difference (Ø)
a
re calculated using measured values o
f
voltage, current, and active power.
(
However, reactive power is calculated directly from sampled data when TYPE3 is selected.
)
Therefore,
when distorted wave
f
orms are input, these values may be di
ff
erent
f
rom those o
f
other measuring
instruments based on di
ff
erent measuring principals
.
Note 2
)
The value of Q for each phase in the Q
∑
ca
l
cu
l
at
i
on
i
s ca
l
cu
l
ate
d
w
i
t
h
a prece
di
n
g
m
i
nus s
ig
n
(
-
)
w
h
en
t
he current input leads the voltage input, and a plus sign when it lags the voltage input, so the value o
f
Q
∑
may
b
e negat
i
ve.
Numerical Display
Measurement
f
unctions obtained
f
or each input elemen
t
I
t
em
S
ymbol and Meanin
g
g
V
o
l
ta
g
e
(V)
Urms: True RMS value
,
Umn: Rectifi ed mean value calibrated to the RMS value
,
Udc: Simple mean value, Urmn: Rectifi ed mean value, Uac: AC componen
t
C
urrent (A) Urms: True RM
S
value, Imn: Rectifi ed mean value calibrated to the RM
S
value,
Idc: Simple mean value, Irmn: Rectifi ed mean value, Iac: AC componen
t
A
ctive power (W
)
P
A
pparent power (VA)
S
R
eact
i
ve power
(
var
)
Q
Power
f
actor
λ
Ph
ase ang
l
e
(
°
)
Ø
F
requency
(H
z
)
f
U
(
FreqU
)
: Volta
g
e frequency, fl
(
Freql
)
: Current frequenc
y
Three
f
U and
f
I o
f
all elements included can be measured simultaneously.
A
f
re
q
uenc
y
measurement o
p
tion allows
y
ou to simultaneousl
y
measure all
f
U and
f
Io
f
all
e
l
ements.
Unselected signals are displayed with “………” indicating no data.
M
ax
i
mum an
d
m
i
n
i
mum vo
l
tage va
l
ues
(V)
U
+p
k
:
M
ax
i
mum vo
l
ta
g
e va
l
ue,
U
-p
k
:
Mi
n
i
mum vo
l
ta
g
e va
l
ue
Maximum and minimum current values (A)
I
+
pk
:
M
ax
i
mum current va
l
ue,
I
-
pk
:
Mi
n
i
mum current va
l
ue
Maximum and minimum power values
(
W
)
P+
p
k: Maximum
p
ower value, P-
p
k: Minimum
p
ower value
C
r
es
t f
ac
t
o
rCfU: Volta
g
e crest factor, CfI: Current crest facto
r
Corrected power
(
W
)
Pc
App
licable standards
IEC76-1
(
1976
)
, IEC76-1
(
1993
)
Inte
g
ration Time: Inte
g
ration time
WP:
S
um of the amount of both positive and negative power
WP+: Sum of positive P
(
amount of power consumed
)
WP-: Sum of ne
g
ative P
(
amount of power returned to the
g
rid
)
q:
S
um of the amount of both positive and negative curren
t
q+: Sum of positive I
(
amount of current
)
q-: Sum of ne
g
ative I
(
amount of current
)
W
S
: Amount of a
pp
arent
p
ower
WQ: Amount of reactive
p
ower
However, the amount of current is inte
g
rated by selectin
g
any one of Irms,Imn,Idc,Iac
,
a
nd Irmn depending on the setting o
f
the current mode.
I
n
p
uts
Ite
m
S
peci
f
ication
I
n
p
ut term
i
na
l
t
yp
e
V
o
l
tag
e
Plu
g
-in terminal
(
safety terminal
)
C
urren
t
•
Di
rect
i
nput:
L
ar
g
e
bi
n
di
n
g
pos
t
•
External current sensor input: Insulated BNC connector
I
n
p
ut t
yp
e
V
oltag
e
Fl
oat
i
n
g
i
nput, res
i
st
i
ve potent
i
a
l
met
h
o
d
C
urren
t
Floating input, shunt input metho
d
M
easurement ran
g
e
V
o
l
ta
ge
1
.5 V, 3 V, 6 V, 10 V, 15 V, 30 V, 60 V, 100 V, 150 V, 300 V, 600 V, 1000 V
(
for crest factor 3
)
0.75 V, 1.5 V, 3 V, 5 V, 7.5 V, 15 V, 30 V, 50 V, 75 V, 150 V, 300 V, 500 V (
f
or crest
f
actor 6)
C
urren
t
•
Direct input
:
50 A in
p
ut element
1 A, 2 A, 5 A, 10 A, 20 A, 50 A
(
for crest factor 3
)
5
00 mA, 1 A, 2.5 A, 5 A, 10 A, 25 A (for crest factor 6)
5 A in
p
ut element
10 mA, 20 mA, 50 mA, 100 mA, 200 mA, 500 mA, 1 A, 2 A, 5A
(
for crest factor 3
)
5
mA,10 mA, 25 mA, 50 mA, 100 mA, 250 mA, 500 mA, 1 A, 2.5 A (for crest factor 6
)
•
E
xterna
l
current sensor
i
n
p
ut:
5
0 mV, 100 mV, 200 mV, 500 mV, 1 V, 2 V, 5 V, 10 V
(
for crest factor 3
)
25 mV, 50 mV, 100 mV, 250 mV, 500 mV, 1 V, 2.5 V, 5 V (
f
or crest
f
actor 6
)
I
n
s
tr
u
m
e
nt
loss
V
o
l
tag
e
I
nput res
i
stance :
A
pprox. 2
M
1
Input capacitance :Approx. 10 pF
Cu
rr
e
n
t
•
Di
rect
i
nput
:
50 A input element: Approximately 2 m
1
+ approximately 0.07 μ
H
5
A
i
n
p
ut e
l
ement:
App
rox
i
mate
ly
100
m
1
+ a
pp
rox
i
mate
ly
0.07
μH
•
E
xterna
l
current sensor
i
nput:
A
pprox
i
mate
l
y 1
M
1
I
nstantaneous maximum allowable input (20 ms or less)
V
o
l
ta
ge
Peak volta
g
e of 4 kV or RMS of 2 kV, whichever is lowe
r
Cu
rr
e
n
t
•
Direct input
(
50 A input element
)
: Peak current of 450 A or RMS of 300 A,
whichever is lowe
r
•
Direct input (5 A input element): Peak current of 30 A or RM
S
of 15 A,
w
hiche
v
e
r
is
lo
w
er
•
External current sensor input: Peak current is less than 10 times the ran
ge
I
nstantaneous maximum allowable input (1 second or less
)
V
o
l
ta
ge
Peak volta
g
e of 3 kV or RMS of 1.5 kV, whichever is lowe
r
Cu
rr
e
n
t
•
Direct input
(
50 A input element
)
: Peak current of 150 A or RMS of 55 A,
whichever is lowe
r
•
Direct input (5 A input element): Peak current of 10 A or RM
S
of 7 A,
w
hi
c
h
ever
i
s
l
owe
r
•
External current sensor input: Peak current is less than 10 times the ran
ge
C
ontinuous maximum allowable in
p
u
t
V
o
l
ta
ge
Peak volta
g
e of 2 kV or RMS of 1.1 kV, whichever is lower
I
f
the
f
requency o
f
the input voltage exceeds 100 kHz, (1200-
f
) Vrms or les
s
The letter f indicates the frequency of the input volta
g
e and the unit is kHz.
C
urren
t
•
Direct input (50 A input element): Peak current of 150 A or RM
S
of 55 A
,
w
hi
c
h
ever
i
s
l
owe
r
•
Direct input (5 A input element): Peak current of 10 A or RMS of 7 A,
whi
c
h
e
v
e
r i
s
l
o
w
er
•
E
xterna
l
current sensor
i
nput:
P
ea
k
current
i
s
l
ess t
h
an 5 t
i
mes t
h
e ran
g
e
C
ontinuous maximum common mode voltage (50
/
60 Hz
)
1
000
V
rm
s
I
nfl uence from common volta
ge
Apply 1000 Vrms
f
or input terminal and case with the voltage input terminals shorted,
t
h
e current
i
n
p
ut term
i
na
l
s o
p
en, an
d
t
h
e externa
l
current sensor
i
n
p
ut term
i
na
l
s
sh
orte
d
.
•
50
/
60 Hz: ±0.01% of range or less
•
Reference value up to 100 kHz: ±{(maximum rated range)
/
(rated range) × 0.00
1
× f% of ran
g
e
}
or less. For external current sensor input, add max. rated ran
g
e /
rated range × {0.0125 × log (
f
× 1000)-0.021}% o
f
range. However, 0.01% or
m
o
r
e
. Th
e
u
nit
of
f
i
s
kHz.
Th
e max
i
mum rate
d
ran
g
e w
i
t
hi
n t
h
e equat
i
on
i
s 1000
V
or 50
A
or 5
A
or 10
V
.
L
ine
fi
lter
S
elect
O
FF, 100 Hz to 100 kHz (in increments of 100 Hz), 300 kHz, or 1 MHz
F
re
q
uenc
y
fi
lte
r
S
elect
O
FF
,
100 Hz
,
or 1 kH
z
A/D converte
r
Simultaneous volta
g
e and current input conversio
n
Reso
l
u
ti
o
n: 1
6
-
b
it
C
onversion speed
(
samplin
g
period
)
:
Approximately 500 ns. See harmonic measurement items for harmonic measurement
.
R
ange switchin
g
A range can be set
f
or each input elemen
t
Auto ran
g
e function
s
R
an
g
e u
p
•
When the measured values of Urms and Irms exceed 110% of the ran
ge
•
When the peak value o
f
the input signal exceeds approximately 330% o
f
the range
(
or approximately 660% for crest factor 6
)
R
an
g
e down
W
hen the
f
ollowing conditions are met, the range setting switches down
.
•
When the measured values of U RMS and I RMS fall to 30% or less of the ran
g
e
•
When the measured values of U RMS and I RMS fall to 105% or less of the lowe
r
range (range to which the range setting switches down
)
•
When the measured values of Upk and Ipk fall to 300% or less of the lower ran
g
e
(
600% or less for crest factor 6
)
D
i
s
p
la
y
py
Ite
m
S
peci
f
ication
Di
s
pl
a
y
8.4-inch color TFT L
C
D dis
p
la
y
T
otal number of pixels
*
1024
(h
or
i
zonta
l)
× 768
(
vert
i
ca
l)
d
ot
s
Dis
p
la
y
u
p
date rat
e
S
ame as the data u
p
date rate
.
1
)
The display update interval of numeric display alone is 200 ms to 500 ms
(
which varies dependin
g
on the number of display items
)
when the data update rate
i
s 50 ms, 100 ms, and 200 ms.
2
)
The display update interval of display items other than numeric display
(
includin
g
custom displays
)
is approximately 1 second when the data update rate is
5
0 ms, 200 ms, and 500 ms.
*U
p
to a
pp
roximatel
y
0.002% of the
p
ixels on the LCD ma
y
be defective.