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3550 LCR Meter Instruction Manual Programming and Interfacing
RS-232C
Input Format cont’d
Setting the Measurement Voltage
The voltage setting range is from 0.01V through 5.00V, in 0.01V increments. However, for
frequencies between 1.00MHz~5.00MHz, the range is limited to 0.01V~1.00V.
Units: Volts
Resolution: 3 digits
e.g.) "LEV1.00E0" (Set the Measurement Voltage to 1.00V)
"LEV1.52E0" (Set the Measurement Voltage to 1.52V)
Values, which are less than the 0.01V steps, will be automatically truncated.
e.g.) "LEV1.248E00" (Set the Measurement Voltage to 1.24V)
The 3550 will automatically reassign voltage levels if the absolute maximum levels are
exceeded. As shown above, any voltage defined with less than 0.01V resolution will
automatically be truncated to 0.01V resolution. Voltage levels exceeding 5.00V will
automatically become 5.00V. If the test frequency is greater than 1.00MHz, voltages
defined that exceed 1.00V will become 1.00V.
Setting Measurement Currents
For frequencies from 42.0Hz to 1.00MHz, the test current setting ranges from
0.01mA~99.99mA in 0.01mA steps. If the test frequency is between 1.01MHz~5.00MHz,
the current setting are limited to 0.01mA~20.00mA.
Unit: mA
Significant Digits: 3 digits
e.g.) "LEI1.00E0" (Set the Measurement Current to 1.00mA)
"LEI15.20E0" (Set the Measurement Current to 15.20mA)
Like the voltage settings, any values less than the 0.01mA resolution will be automatically
truncated.
e.g.) "LEV1.549E00" (Set the Measurement Current to 1.54mA)
The 3550 will automatically reassign test current levels if the absolute minimum or
maximum levels are exceeded. As shown above, any current level defined with less than
0.01mA resolution will automatically be truncated to a value with 0.01mA resolution.
Defined current levels exceeding 99.99mA will automatically become 99.99mA. If the test
frequency is greater than 1.00MHz, test current will be limited to 20.00mA.
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