4300 LCR Meter Specification 7–3
7.2.7.2 External
External bias of up to ±40V is provided by connecting an external power supply to the rear
panel bias terminals. Peak short circuit current < 0.26A
A resettable trip protects the bias circuit against a continuous short circuit.
7.3 Measurement Speed
There are four selectable speeds for all measurement functions. Selecting slower measurement
speed increases reading resolution and reduces measurement noise by averaging.
The fastest measurement time (defined as the time from trigger to end of measurement in bin
handler mode) is 20ms, subject to certain measurement conditions.
The following measurement times (includes keyboard scan and display update) are for AC
measurements ≥ 1kHz and for Rdc.
Speed Measurement Time Suggested Application
Maximum 72ms automatic sorting
Fast 108ms non-critical measurements
Medium 253ms improved resolution
Slow 445ms
best resolution and enhanced
supply frequency rejection
7.4 Measurement Range
Parameter Range
R, Z , X 0.01mΩ to >1GΩ 10
-5
to >10
9
Ω
G, Y, B 0.1nS to >2kS 10
-10
to >2x10
3
S
L 1nH to >2kH 10
-9
to >2x10
3
H
C 0.01pF to >1F 10
-14
to >1F
D, Q 0.0001 to 9999.9 10
-4
to 9.9999x10
4
Rdc 0.1mΩ to >100MΩ 10
-4
to >10
8
Ω
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