Gw Instek LCR-819 Digital-Multimeter, DMM, LCR-819 Ficha De Dados
Códigos do produto
LCR-819
APPENDIX
131
Angle (θ) Formula
Background
The Angle (θ) measures the phase on which
Impedance (Z), Admittance (Y), Quality factor (Q),
and Dissipation factor (D) are measured.
Impedance (Z), Admittance (Y), Quality factor (Q),
and Dissipation factor (D) are measured.
Type
Angle (θ)
Formula
jX
R
Z
S
C
j
R
L
j
R
D
Q
1
90
tan
1
cos
Z
R
S
sin
Z
X
S
jB
G
Y
P
L
j
G
C
j
G
Q
D
1
90
tan
cos
Y
G
P
sin
Y
B
P
LCR-800
User
Manual
132
Accuracy Definitions
Primary Measurement Readout Error Formula
C
C
2 counts±0.03%+0.02%[(1+Ka)
#
or (X/Ymax )
#
or
(Ymin/X)
#
] (1+│D│)(1+Kb+Kc)
R
2 counts±0.03%+0.02%[(1+Ka)
#
or (X/Ymax )
#
or
(Ymin/X)
#
] (1+│Q│)(1+Kb+Kc)
L
2 counts±0.03%+0.02%[(1+Ka)
#
or(X/Ymax)
#
or(Ymin/X)
#
] (1+ 1 /│Q│)(1+Kb+Kc)
|Z|
Ze = Depends on whether the component is a
capacitor(C), resistor(R) or inductor(L):
capacitor(C), resistor(R) or inductor(L):
Circuit
Formula for relevant circuit
C
Ze = 2 counts±
0.03%+0.02%[(1+Ka)
0.03%+0.02%[(1+Ka)
#
or(X/Ymax)
#
or(Ymin/X)
#
]
(1+│D│)(1+Kb+Kc)
R
Ze = 2 counts±
0.03%+0.02%[(1+Ka)
0.03%+0.02%[(1+Ka)
#
or(X/Ymax)
#
or(Ymin/X)
#
]
(1+│Q│)(1+Kb+Kc)
L
Ze=2 counts±
0.03%+0.02%[(1+Ka)
0.03%+0.02%[(1+Ka)
#
or(X/Ymax)
#
or(Ymin/X)
#
]
(1+ 1 /│Q│)(1+Kb+Kc)
Secondary Measurement Readout Error Formula
D(C/D)
D(C/D)
2counts±0.0003 + 0.0002[(1+Ka)
#
or (X/Ymax)
#
or
(Ymin/X)
#
] (1+│D│+D²)(1+Kb+Kc)
Q(R/Q)
2counts±0.0003 + 0.0002[(1+Ka)
#
or (X/Ymax)
#
or
(Ymin/X)
#
] (1+│Q│+Q²)(1+Kb+Kc)
Q(L/Q)
2counts±0.0003 + 0.0002[(1+Ka)
#
or (X/Ymax)
#
or
(Ymin/X)
#
] (1+│Q│+Q²)(1+Kb+Kc)
θ(
Z/
θ)
θe=(180/π) x (Ze/100)
R(C/R)
D≧1
2counts + 0.02%[(1+Ka)* or (Rx/Rmax)* or
(Rmin/Rx)*] (1+ 1/│D│)(1+Kb+Kc)+0.03%
(Rmin/Rx)*] (1+ 1/│D│)(1+Kb+Kc)+0.03%
D≦1
2counts + 0.02%[(1+Ka)** or (Cx/Cmax)** or
(Cmin/Cx)**] (1+ 1/│D│)(1+Kb+Kc)+0.03%
(Cmin/Cx)**] (1+ 1/│D│)(1+Kb+Kc)+0.03%