GW Instek LCR Series - Page 229

APPENDIX
229
Kt
Temperature [°C]
Kt=4 ...................................................................................... (8-18°C)
Kt=1+(T-23)² x 0.0139 .................................................. (18-28°C)
Kt=4 .................................................................................... (28-38°C)
Measure parameter accuracy
|Z|, |Y|
±Ae [%], Where Relative accuracy Ae= ±(Ab+Az+Av+Ad) × Kc × Kt [%]
θ
±Ae/100 [rad]
L, C, X, B
±Ae [%] ……………………………………………………………….(Dx≤0.1)
±Ae×√(1+Dx
2
) [%]….………………………………………………...(Dx>0.1)
R
±Ae [%]……………………………………..……………(Dx ≥ 10 or Qx ≤0.1)
Rs:
±Ae/Dx [%]………………………………………………..(Dx≤0.1 or Qx≥10)
±Ae×√(1+Dx
2
)/Dx [%] …….…………....………(0.1<Dx<10 or 10>Qx>0.1)
Rp:
±Ae/(DxŦAe/100) [%] …………………..…………..(Dx≤0.1 or Qx≥10)
±Ae×√(1+Dx
2
)/(DxŦAe/100×√(1+Dx
2
) %]……………………………
………………………………………………….....(0.1<Dx<10 or 10>Qx>0.1)
G
±Ae/Dx [%] …....................……………………………………........(Dx≤0.1)
±Ae×√(1+Dx
2
)/Dx [%] ......................................................................(Dx>0.1)
D
±Ae/100 ……………………..……………………………………….(Dx≤0.1)
±Ae×(1+Dx)/100 ………...............................................................(0.1<Dx≤1)
Q
±(Qx
2
×Ae/100)/(1ŦQx ×Ae/100) ........................................................
........................................................................(Qx ×Da<1, Dx<0.1 or Qx>10)
±(Qx
2
×Ae(1+Dx)/100)/(1ŦQx ×Ae(1+Dx)/100) .............................
..............................…......................................(Qx ×Da<1, Dx≥0.1 or Qx≤10)
Da: measurement accuracy of D, Dx: measurement value of D, Qx: measurement
value of Q