Gw-instek LCR-800 Series Manuel d'utilisateur télécharger pdf (Page 66)

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.

Type

Angle (θ)

Formula

jXRZ

S





C

j

RLjR









D

Q

1

90tan

1













cosZR

S





sinZX

S



jBGY

P





L

j

GCjG









Q

D

1

90tan









cosYG

P





sinYB

P



LCR-800 User Manual

132

Accuracy Definitions

Primary Measurement Readout Error Formula

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):

Circuit Formula for relevant circuit

C

Ze = 2 counts±

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)

#

or(X/Ymax)

#

or(Ymin/X)

#

]

(1+│Q│)(1+Kb+Kc)

L

Ze=2 counts±

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)

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/)

e=(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%

D≦1

2counts + 0.02%[(1+Ka)** or (Cx/Cmax)** or

(Cmin/Cx)**] (1+ 1/│D│)(1+Kb+Kc)+0.03%

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