RS Pro RS-9935 Bedienungsanleitung Seite 5

Profeesional LCR Meter / English
• Series/Parallel mode select
The LCR meter offers the option to select between parallel or series measurement mode. Depending on
which mode is selected, the method to measure the component will be different.
Additionally, one measurement mode may provide better accuracies over the other measurement mode
depending on the type of component and the value of the component to be tested.
For more details, refer to the "SUPPLEMENTAL INFORMATION"section.When any L/C/R functional mode is
selected, the default measurement in series or parallel mode is auto selected and the AUTO segment will be
shown on LCD display. It depends on the total equivalent impedance measured. If the impedance is larger
than 10kΩ, parallel mode is set and Lp/Cp/Rp is shown on the display. If it is less than 10kΩ, series mode
is set and Ls/Cs/Rs is shownon the display. When the
will be set in series mode or in parallel mode sequentially. The LCD indicators for LS/LP/CS/CP/RS/RP
symbols will be indicated by related LCR measurement mode setting.
• Hold mode
The data hold function allows the user to freeze the display when pressed,holding the measured value until
data hold is turned off.
Turn On Data Hold
To use data hold, press the button once. The "HOLD" indicator will display on the screen when data hold is
active.
Turn Off Data Hold
To disable the data hold,press again.The "HOLD" indicator will disappear on the screen,and meter will
remain in normal operation mode.
• Relative mode
Press the button reserve the current DUT readings (DCUR) on primary display as a reference value
(DREF) and the "Δ" indicator will be active . The secondary display will show the percentage of relative
value REL%. The REL% = (DCUR – DREF) / DREF * 100%. Press the
reference value DREF on primary display and the "Δ" segment will be blinking.
The percentage range is -99.9%~99.9%. When the relative value is larger than double of reference value
(DREF), the "OL%" indication will be shown on the secondary display. Press and hold downthe
button for 2 seconds to exit the relative mode.
• Calibration mode
In order to improve the accuracy of high/low impedance, it is recommended to do OPEN/SHORT calibration
mode before measurement. Press and hold down the
1 →OPEN calibration(30s)→
The calibration procedure: OPEN ready
calibration(30s). During open or short calibration processing, the 30-second countdownwill be shown on
LCD panels. If the calibration procedure is finished, the PASS or FAIL symbol will shown on the primary
display. If PASS symbol for both OPEN and SHORT modes, the calibration data will be saved after push CAL
key again.
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button is pressed, the impedance measurement
button again to show the
button for 2 seconds to enter calibration mode.
→SHORT→ 2
ready SHORT
OPEN ready means the input sockets or terminals have nothing connected.
SHORT ready means put a shorting bar or a short piece of conductive metal (i.e. paper clip) across the "+"
and "-" input sockets or terminals.
Figure 3-Open Calibration (left) and Short Calibration (right)
• Sorting mode
The sorting mode could help the user to make a quick sort for a bunch of components.Select the primary
measurement mode (L/C/R) based on the type of components to be measured.Insert the component to be
used as the "standard" reference value. Another words, insert a known "good" component that will be
used for testing against all other components. Press
mode cannot be activated unless the meter senses a component is connected to either the input sockets
or terminals.When sorting mode is activated,the reference value,range and the tolerance settings can be
modified.
The setting process:
→range setting(use →reference value setting (use
/ )→
setting(use / )→ sorting mode.
The tolerance range setting selection: +0.25%→+0.5%→+1%→+2%→+5%→+10%→+20%
→+80% -20%. The default tolerance is +1%.
In the sorting mode,the primary display to show PASS or FAIL status depends on whether the impedance
measured exceeds tolerance range.The current measurement result will be shown on the secondary display.
Press the button to exit this mode.
WARNING: If the component to be measured is a capacitor, be sure that the capacitor is fully discharged
BEFORE inserting it into the input sockets or terminals. For large capacitors, it may take longer periods of
time for a full discharge. Inserting a charged or partially charged capacitor into the meter's input sockets or
terminals may produce an electric hazard and may also damage the instrument, making it unusable.
• Test Frequency Select
When the button is pressed, the test frequency will be changed sequentially. There are five different
test frequencies (100Hz/120Hz/1kHz/10kHz/100kHz) can be selected. The test frequency can affect the
accuracy of the results depending on what frequency is selected and what type and value of a component
is being measured or tested.
For details on selecting the optimal test frequency for measurement, refer to the " SUPPLEMENTAL
INFORMATION " section.
Profeesional LCR Meter / English
button to enter to the sorting mode.The sorting
→tolerance
/ / / )→
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