Bk-precision 889B - Manual Manual do Utilizador descarregar pdf (Página 10)

Z Accuracy:

As shown in table 1.

C Accuracy:

Cxf

⋅⋅⋅

= Ae of C

f : Test Frequency (Hz)

Cx : Measured Capacitance Value (F)

|Zx| : Measured Impedance Value (Ω)

Accuracy applies when Dx (measured D value) ≤ 0.1

When Dx > 0.1, multiply C

1 Dx+

Example:

Test Condition:

Frequency : 1KHz

Level : 1Vrms

DUT : 100nF

Then

Ω=

−

⋅⋅⋅⋅

⋅⋅⋅

1590

10100

102

Cxf

Refer to the accuracy table, get C

=±0.1%

L Accuracy:

LxfZx ⋅⋅⋅=

= Ae of L

f : Test Frequency (Hz)

Lx : Measured Inductance Value (H)

|Zx| : Measured Impedance Value (Ω)

Accuracy applies when Dx (measured D value) ≤ 0.1

When Dx > 0.1, multiply L

1 Dx+

Example:

Test Condition:

Frequency : 1KHz

Level : 1Vrms

DUT : 1mH

Then

Ω=

−

⋅⋅⋅=

⋅⋅⋅

283.6

102

LxfZx

Refer to the accuracy table, get L

= ±0.5%

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 34 35

1. Introduction 4
Imaginary Axis 5
Real Axis 5
Figure 1.1 5
1.3 Specification 6
LxfZx ⋅⋅⋅= 10
1<⋅ DeQx 12
 Testing Signal: 13
2. Operation 15
Service Information 33

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