3-16 Basic Source-Measure Operation 2400 Series SourceMeter
®
User’s Manual
NOTE To clear the source value to 0V or 0A, press the MENU key while in the edit
source field.
•Value adjust — To adjust the value, use the EDIT cursor keys to place the cur-
sor at the appropriate position, and use the SOURCE and keys to incre-
ment or decrement the value.
• Numeric entry — When the edit mode is entered, the cursor is located on the
most significant digit of the value. From this position, you can key in the value
using the number keys (0 through 9). After each number is keyed in, the cursor
moves one position to the right. If desired, you can use the EDIT cursor keys
to place the cursor on a digit to be changed, and press the appropriate number
key. The cursor does not have to be on the polarity sign of the value to change
polarity. If the MENU key is pressed, the Source Value will be clear to 0V or
0A.
4. To edit the other field, press EDIT to select it, and repeat steps 1 and 2.
5. When finished editing the source and compliance values, press ENTER or wait six
seconds to exit from the edit mode.
NOTE When a compliance limit value is entered, the SourceMeter automatically goes
to the lowest (most sensitive) compliance range that will accommodate that
value.
For the Models 2400 and 2410, the lowest compliance levels that can be set are
0.00100µA (1nA) and 000.200mV (200µV). For the Models 2420, 2425, 2430,
and 2440, the levels are 00.0100µA (10nA) and 000.200mV (200µV).
Step 3: Select measurement function and range.
Select the desired measurement function by pressing MEAS V (voltage) or MEAS I
(current).
When measuring the source (i.e., Source V Measure V), you cannot select the range using
the measurement RANGE keys. The selected source range determines the measurement
range.
When not measuring the source (i.e., Source V Measure I), measurement range selection
can be done manually or automatically. When using manual ranging, use the lowest possi-
ble range for best accuracy. In autorange, the SourceMeter automatically goes to the most
sensitive range to make the measurement.
Measuring voltage — When sourcing current, you can use the RANGE and keys to
manually select the voltage measurement range. You can also press AUTO to select
autoranging. When sourcing voltage, the RANGE keys are inoperative.
Measuring current — When sourcing voltage, you can use the RANGE
and keys to
manually select the current measurement range. You can also press AUTO to select
autoranging. When sourcing current, the RANGE keys are inoperative.
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