Introduction 150821/A4 Page 23 of 110
Section 2: Operation
2.1 Terms and Conventions
Table 2-1: Measurement Unit Prefixes
Multiple Scientific Engineering Symbol
1000000000000000 10
15
Peta P
1000000000000 10
12
Tera T
1000000000 10
9
Giga G
1000000 10
6
Mega M
1000 10
3
Kilo k
.001 10
-3
milli m
.000001 10
-6
micro μ
.000000001 10
-9
nano n
.000000000001 10
-12
pico p
.000000000000001 10
-15
femto f
Accuracy: The difference between the measured value or reading and the true
or accepted value. The accuracy of an LCR meter is typically
given as a ± percentage of the measured value for primary
parameters and ± an absolute value for secondary value. For
example: ±0.05% for L, C & R and ±0.0005 for Df.
Basic Accuracy: Basic accuracy is specified at optimum test signal, frequencies,
highest accuracy setting or slowest measurement speed and
impedance of the DUT. As a general rule this means 1VAC RMS
signal level, 1kHz frequency, high accuracy which equates to 1
measurement/second, and a DUT impedance between 10Ω and
100kΩ.
Binning: Procedure for sorting components into bins using sequential limits
or nested limits.
Capacitor: Abbreviated C (as in LCR). A capacitor is passive component
comprised of two conductors separated by a dielectric. A capacitor
stores charge blocks DC flow and allows AC flow based on
frequency and capacitor design.
To Next Page
Loading...
Need help?
General